Add "const" keyword for some "char *" function arguments (core and plugins API)

po/es.po

@@ -1103,8 +1103,8 @@ msgstr "la cadena mostrada tras la finalización de los nombres de usuario"
 #, fuzzy
 msgid "use a marker (line or char) on buffers to show first unread line"
 msgstr ""
-"usar un marcador en los servidores/canales para mostrar la primera línea sin "
-"leer"
+"usar un marcador en los servidores/canales para mostrar la primera línea "
+"sin leer"
 
 #, fuzzy
 msgid "save configuration file on exit"
@@ -1599,8 +1599,8 @@ msgid ""
 "support.\n"
 "Be careful, private info may be in these files.\n"
 msgstr ""
-"Por favor, envía %s/%s, %s/%s y los mensajes de arriba a los desarrolladores "
-"de Weechat para el soporte.\n"
+"Por favor, envía %s/%s, %s/%s y los mensajes de arriba a los "
+"desarrolladores de Weechat para el soporte.\n"
 "Sé cuidadoso, puede que haya información privada en estos ficheros.\n"
 
 #, c-format
@@ -5374,8 +5374,8 @@ msgstr "%s falta un argumento para la opción --dir\n"
 #~ "maximum number of lines in history for one server/channel/private window "
 #~ "(0 = unlimited)"
 #~ msgstr ""
-#~ "número máximo de líneas en el histórico para un servidor/canal/privado "
-#~ "(0 = ilimitado)"
+#~ "número máximo de líneas en el histórico para un servidor/canal/"
+#~ "privado (0 = ilimitado)"
 
 #, fuzzy
 #~ msgid "log messages from plugins"
@@ -5569,8 +5569,8 @@ msgstr "%s falta un argumento para la opción --dir\n"
 #~ "max size for aligning nick and other messages (should be >= to "
 #~ "look_align_size)"
 #~ msgstr ""
-#~ "tamaño máximo para la alineación de nick y otros mensajes (debería ser "
-#~ ">= a look_align_size)"
+#~ "tamaño máximo para la alineación de nick y otros mensajes (debería "
+#~ "ser >= a look_align_size)"
 
 #~ msgid "server name not found"
 #~ msgstr "nombre de servidor no encontrado"
@@ -6357,7 +6357,8 @@ msgstr "%s falta un argumento para la opción --dir\n"
 
 #~ msgid "color for chan owner symbol (specific to unrealircd)"
 #~ msgstr ""
-#~ "color para el símbolo de propietario de canal (especificado en unrealircd)"
+#~ "color para el símbolo de propietario de canal (especificado en "
+#~ "unrealircd)"
 
 #~ msgid "color for chan admin symbol"
 #~ msgstr "color para el símbolo de administrador de canal"

src/core/wee-backtrace.c

@@ -50,7 +50,7 @@
  */
 
 void
-weechat_backtrace_printf (char *message, ...)
+weechat_backtrace_printf (const char *message, ...)
 {
     static char buffer[4096];
     va_list argptr;
@@ -69,7 +69,7 @@ weechat_backtrace_printf (char *message, ...)
  */
 
 void
-weechat_backtrace_addr2line (int number, void *address, char *symbol)
+weechat_backtrace_addr2line (int number, void *address, const char *symbol)
 {
 #ifdef HAVE_BACKTRACE
     int rc;

src/core/wee-command.c

@@ -1362,7 +1362,7 @@ command_key (void *data, struct t_gui_buffer *buffer,
  */
 
 void
-command_plugin_list (char *name, int full)
+command_plugin_list (const char *name, int full)
 {
     struct t_weechat_plugin *ptr_plugin;
     struct t_hook *ptr_hook;
@@ -1851,7 +1851,7 @@ command_set_display_section (struct t_config_file *config_file,
 
 void
 command_set_display_option (struct t_config_option *option,
-                            char *message)
+                            const char *message)
 {
     char *color_name;
     
@@ -1926,7 +1926,7 @@ command_set_display_option (struct t_config_option *option,
  */
 
 int
-command_set_display_option_list (char *message, char *search)
+command_set_display_option_list (const char *message, const char *search)
 {
     int number_found, section_displayed, length;
     struct t_config_file *ptr_config;

src/core/wee-config-file.c

@@ -54,7 +54,7 @@ char *config_boolean_false[] = { "off", "no", "n", "false", "f", "0", NULL };
  */
 
 struct t_config_file *
-config_file_search (char *name)
+config_file_search (const char *name)
 {
     struct t_config_file *ptr_config;
     
@@ -77,7 +77,7 @@ config_file_search (char *name)
  */
 
 struct t_config_file *
-config_file_new (struct t_weechat_plugin *plugin, char *name,
+config_file_new (struct t_weechat_plugin *plugin, const char *name,
                  int (*callback_reload)(void *data,
                                         struct t_config_file *config_file),
                  void *callback_reload_data)
@@ -149,27 +149,27 @@ config_file_valid_for_plugin (struct t_weechat_plugin *plugin,
  */
 
 struct t_config_section *
-config_file_new_section (struct t_config_file *config_file, char *name,
+config_file_new_section (struct t_config_file *config_file, const char *name,
                          int user_can_add_options, int user_can_delete_options,
                          int (*callback_read)(void *data,
                                               struct t_config_file *config_file,
                                               struct t_config_section *section,
-                                              char *option_name,
-                                              char *value),
+                                              const char *option_name,
+                                              const char *value),
                          void *callback_read_data,
                          void (*callback_write)(void *data,
                                                 struct t_config_file *config_file,
-                                                char *section_name),
+                                                const char *section_name),
                          void *callback_write_data,
                          void (*callback_write_default)(void *data,
                                                         struct t_config_file *config_file,
-                                                        char *section_name),
+                                                        const char *section_name),
                          void *callback_write_default_data,
                          int (*callback_create_option)(void *data,
                                                        struct t_config_file *config_file,
                                                        struct t_config_section *section,
-                                                       char *option_name,
-                                                       char *value),
+                                                       const char *option_name,
+                                                       const char *value),
                          void *callback_create_option_data)
 {
     struct t_config_section *new_section;
@@ -215,7 +215,7 @@ config_file_new_section (struct t_config_file *config_file, char *name,
 
 struct t_config_section *
 config_file_search_section (struct t_config_file *config_file,
-                            char *section_name)
+                            const char *section_name)
 {
     struct t_config_section *ptr_section;
 
@@ -270,7 +270,7 @@ config_file_section_valid_for_plugin (struct t_weechat_plugin *plugin,
  */
 
 struct t_config_option *
-config_file_option_find_pos (struct t_config_section *section, char *name)
+config_file_option_find_pos (struct t_config_section *section, const char *name)
 {
     struct t_config_option *ptr_option;
     
@@ -338,13 +338,13 @@ config_file_option_insert_in_section (struct t_config_option *option)
 
 struct t_config_option *
 config_file_new_option (struct t_config_file *config_file,
-                        struct t_config_section *section, char *name,
-                        char *type, char *description,
-                        char *string_values, int min, int max,
-                        char *default_value,
+                        struct t_config_section *section, const char *name,
+                        const char *type, const char *description,
+                        const char *string_values, int min, int max,
+                        const char *default_value,
                         int (*callback_check_value)(void *data,
                                                     struct t_config_option *option,
-                                                    char *value),
+                                                    const char *value),
                         void *callback_check_value_data,
                         void (*callback_change)(void *data,
                                                 struct t_config_option *option),
@@ -491,7 +491,7 @@ config_file_new_option (struct t_config_file *config_file,
 struct t_config_option *
 config_file_search_option (struct t_config_file *config_file,
                            struct t_config_section *section,
-                           char *option_name)
+                           const char *option_name)
 {
     struct t_config_section *ptr_section;
     struct t_config_option *ptr_option;
@@ -531,7 +531,7 @@ config_file_search_option (struct t_config_file *config_file,
 void
 config_file_search_section_option (struct t_config_file *config_file,
                                    struct t_config_section *section,
-                                   char *option_name,
+                                   const char *option_name,
                                    struct t_config_section **section_found,
                                    struct t_config_option **option_found)
 {
@@ -579,7 +579,7 @@ config_file_search_section_option (struct t_config_file *config_file,
  */
 
 void
-config_file_search_with_string (char *option_name,
+config_file_search_with_string (const char *option_name,
                                 struct t_config_file **config_file,
                                 struct t_config_section **section,
                                 struct t_config_option **option,
@@ -688,7 +688,7 @@ config_file_option_valid_for_plugin (struct t_weechat_plugin *plugin,
  */
 
 int
-config_file_string_boolean_is_valid (char *text)
+config_file_string_boolean_is_valid (const char *text)
 {
     int i;
     
@@ -717,7 +717,7 @@ config_file_string_boolean_is_valid (char *text)
  */
 
 int
-config_file_string_to_boolean (char *text)
+config_file_string_to_boolean (const char *text)
 {
     int i;
     
@@ -859,7 +859,7 @@ config_file_option_reset (struct t_config_option *option, int run_callback)
  */
 
 int
-config_file_option_set (struct t_config_option *option, char *value,
+config_file_option_set (struct t_config_option *option, const char *value,
                         int run_callback)
 {
     int value_int, i, rc, length_option, new_value_ok;
@@ -1151,7 +1151,8 @@ config_file_option_unset (struct t_config_option *option)
  */
 
 void
-config_file_option_rename (struct t_config_option *option, char *new_name)
+config_file_option_rename (struct t_config_option *option,
+                           const char *new_name)
 {
     if (!new_name || !new_name[0])
         return;
@@ -1184,7 +1185,8 @@ config_file_option_rename (struct t_config_option *option, char *new_name)
  */
 
 void *
-config_file_option_get_pointer (struct t_config_option *option, char *property)
+config_file_option_get_pointer (struct t_config_option *option,
+                                const char *property)
 {
     if (string_strcasecmp (property, "config_file") == 0)
         return option->config_file;
@@ -1225,7 +1227,7 @@ config_file_option_get_pointer (struct t_config_option *option, char *property)
  */
 
 int
-config_file_option_set_with_string (char *option_name, char *value)
+config_file_option_set_with_string (const char *option_name, const char *value)
 {
     int rc;
     struct t_config_file *ptr_config;
@@ -1275,7 +1277,7 @@ config_file_option_set_with_string (char *option_name, char *value)
  */
 
 int
-config_file_option_unset_with_string (char *option_name)
+config_file_option_unset_with_string (const char *option_name)
 {
     struct t_config_option *ptr_option;
     int rc;
@@ -1437,7 +1439,7 @@ config_file_write_option (struct t_config_file *config_file,
 
 void
 config_file_write_line (struct t_config_file *config_file,
-                        char *option_name, char *value, ...)
+                        const char *option_name, const char *value, ...)
 {
     char buf[4096];
     va_list argptr;

src/core/wee-config-file.h

@@ -63,24 +63,25 @@ struct t_config_section
     (void *data,                           /* config file (only for some    */
      struct t_config_file *config_file,    /* special sections)             */
      struct t_config_section *section,
-     char *option_name,
-     char *value);
+     const char *option_name,
+     const char *value);
     void *callback_read_data;              /* data sent to read callback    */
     void (*callback_write)                 /* called to write options       */
     (void *data,                           /* in config file (only for some */
      struct t_config_file *config_file,    /* special sections)             */
-     char *section_name);
+     const char *section_name);
     void *callback_write_data;             /* data sent to write callback   */
     void (*callback_write_default)         /* called to write default       */
     (void *data,                           /* options in config file        */
      struct t_config_file *config_file,
-     char *section_name);
+     const char *section_name);
     void *callback_write_default_data;     /* data sent to write def. callb.*/
     int (*callback_create_option)          /* called to create option in    */
     (void *data,                           /* section                       */
      struct t_config_file *config_file,
      struct t_config_section *section,
-     char *option_name, char *value);
+     const char *option_name,
+     const char *value);
     void *callback_create_option_data;     /* data sent to create callback  */
     struct t_config_option *options;       /* options in section            */
     struct t_config_option *last_option;   /* last option in section        */
@@ -112,7 +113,7 @@ struct t_config_option
     int (*callback_check_value)            /* called to check value before  */
     (void *data,                           /* assiging new value            */
      struct t_config_option *option,
-     char *value);             
+     const char *value);             
     void *callback_check_value_data;       /* data sent to check callback   */
     void (*callback_change)                /* called when value is changed  */
     (void *data,
@@ -130,52 +131,52 @@ struct t_config_option
 extern struct t_config_file *config_files;
 extern struct t_config_file *last_config_file;
 
-extern struct t_config_file *config_file_search (char *name);
+extern struct t_config_file *config_file_search (const char *name);
 extern struct t_config_file *config_file_new (struct t_weechat_plugin *plugin,
-                                              char *name,
+                                              const char *name,
                                               int (*callback_reload)(void *data,
                                                                      struct t_config_file *config_file),
                                               void *callback_data);
 extern int config_file_valid_for_plugin (struct t_weechat_plugin *plugin,
                                          struct t_config_file *config_file);
 extern struct t_config_section *config_file_new_section (struct t_config_file *config_file,
-                                                         char *name,
+                                                         const char *name,
                                                          int user_can_add_options,
                                                          int user_can_delete_options,
                                                          int (*callback_read)(void *data,
                                                                               struct t_config_file *config_file,
                                                                               struct t_config_section *section,
-                                                                              char *option_name,
-                                                                              char *value),
+                                                                              const char *option_name,
+                                                                              const char *value),
                                                          void *callback_read_data,
                                                          void (*callback_write)(void *data,
                                                                                 struct t_config_file *config_file,
-                                                                                char *section_name),
+                                                                                const char *section_name),
                                                          void *callback_write_data,
                                                          void (*callback_write_default)(void *data,
                                                                                         struct t_config_file *config_file,
-                                                                                        char *section_name),
+                                                                                        const char *section_name),
                                                          void *callback_write_default_data,
                                                          int (*callback_create_option)(void *data,
                                                                                        struct t_config_file *config_file,
                                                                                        struct t_config_section *section,
-                                                                                       char *option_name,
-                                                                                       char *value),
+                                                                                       const char *option_name,
+                                                                                       const char *value),
                                                          void *callback_create_option_data);
 extern struct t_config_section *config_file_search_section (struct t_config_file *config_file,
-                                                            char *section_name);
+                                                            const char *section_name);
 extern int config_file_section_valid_for_plugin (struct t_weechat_plugin *plugin,
                                                  struct t_config_section *);
 extern struct t_config_option *config_file_new_option (struct t_config_file *config_file,
                                                        struct t_config_section *section,
-                                                       char *name, char *type,
-                                                       char *description,
-                                                       char *string_values,
+                                                       const char *name, const char *type,
+                                                       const char *description,
+                                                       const char *string_values,
                                                        int min, int max,
-                                                       char *default_value,
+                                                       const char *default_value,
                                                        int (*callback_check_value)(void *data,
                                                                                    struct t_config_option *option,
-                                                                                   char *value),
+                                                                                   const char *value),
                                                        void *callback_check_value_data,
                                                        void (*callback_change)(void *data,
                                                                                struct t_config_option *option),
@@ -185,38 +186,38 @@ extern struct t_config_option *config_file_new_option (struct t_config_file *con
                                                        void *callback_delete_data);
 extern struct t_config_option *config_file_search_option (struct t_config_file *config_file,
                                                           struct t_config_section *section,
-                                                          char *option_name);
+                                                          const char *option_name);
 extern void config_file_search_section_option (struct t_config_file *config_file,
                                                struct t_config_section *section,
-                                               char *option_name,
+                                               const char *option_name,
                                                struct t_config_section **section_found,
                                                struct t_config_option **option_found);
-extern void config_file_search_with_string (char *option_name,
+extern void config_file_search_with_string (const char *option_name,
                                             struct t_config_file **config_file,
                                             struct t_config_section **section,
                                             struct t_config_option **option,
                                             char **pos_option_name);
 extern int config_file_option_valid_for_plugin (struct t_weechat_plugin *plugin,
                                                 struct t_config_option *option);
-extern int config_file_string_to_boolean (char *text);
+extern int config_file_string_to_boolean (const char *text);
 extern int config_file_option_reset (struct t_config_option *option,
                                      int run_callback);
 extern int config_file_option_set (struct t_config_option *option,
-                                   char *value, int run_callback);
+                                   const char *value, int run_callback);
 extern int config_file_option_unset (struct t_config_option *option);
 extern void config_file_option_rename (struct t_config_option *option,
-                                       char *new_name);
+                                       const char *new_name);
 extern void *config_file_option_get_pointer (struct t_config_option *option,
-                                             char *property);
-extern int config_file_option_set_with_string (char *option_name, char *value);
-extern int config_file_option_unset_with_string (char *option_name);
+                                             const char *property);
+extern int config_file_option_set_with_string (const char *option_name, const char *value);
+extern int config_file_option_unset_with_string (const char *option_name);
 extern int config_file_option_boolean (struct t_config_option *option);
 extern int config_file_option_integer (struct t_config_option *option);
 extern char *config_file_option_string (struct t_config_option *option);
 extern int config_file_option_color (struct t_config_option *option);
 
 extern void config_file_write_line (struct t_config_file *config_file,
-                                    char *option_name, char *value, ...);
+                                    const char *option_name, const char *value, ...);
 extern int config_file_write (struct t_config_file *config_files);
 extern int config_file_read (struct t_config_file *config_file);
 extern int config_file_reload (struct t_config_file *config_file);

src/core/wee-config.c

@@ -528,7 +528,7 @@ config_weechat_reload (void *data, struct t_config_file *config_file)
 int
 config_weechat_bar_read (void *data, struct t_config_file *config_file,
                          struct t_config_section *section,
-                         char *option_name, char *value)
+                         const char *option_name, const char *value)
 {
     char *pos_option, *bar_name;
     struct t_gui_bar *ptr_temp_bar;
@@ -599,7 +599,7 @@ int
 config_weechat_filter_read (void *data,
                             struct t_config_file *config_file,
                             struct t_config_section *section,
-                            char *option_name, char *value)
+                            const char *option_name, const char *value)
 {
     char **argv, **argv_eol;
     int argc;
@@ -635,7 +635,7 @@ config_weechat_filter_read (void *data,
 
 void
 config_weechat_filter_write (void *data, struct t_config_file *config_file,
-                             char *section_name)
+                             const char *section_name)
 {
     struct t_gui_filter *ptr_filter;
     
@@ -664,7 +664,7 @@ config_weechat_filter_write (void *data, struct t_config_file *config_file,
 int
 config_weechat_key_read (void *data, struct t_config_file *config_file,
                          struct t_config_section *section,
-                         char *option_name, char *value)
+                         const char *option_name, const char *value)
 {
     /* make C compiler happy */
     (void) data;
@@ -694,7 +694,7 @@ config_weechat_key_read (void *data, struct t_config_file *config_file,
 
 void
 config_weechat_key_write (void *data, struct t_config_file *config_file,
-                          char *section_name)
+                          const char *section_name)
 {
     struct t_gui_key *ptr_key;
     char *expanded_name;

src/core/wee-debug.c

@@ -99,7 +99,8 @@ debug_dump (int crash)
  */
 
 int
-debug_dump_cb (void *data, char *signal, char *type_data, void *signal_data)
+debug_dump_cb (void *data, const char *signal, const char *type_data,
+               void *signal_data)
 {
     /* make C compiler happy */
     (void) data;
@@ -150,7 +151,8 @@ debug_sigsegv ()
  */
 
 int
-debug_buffer_cb (void *data, char *signal, char *type_data, void *signal_data)
+debug_buffer_cb (void *data, const char *signal, const char *type_data,
+                 void *signal_data)
 {
     /* make C compiler happy */
     (void) data;
@@ -229,7 +231,8 @@ debug_windows_tree ()
  */
 
 int
-debug_windows_cb (void *data, char *signal, char *type_data, void *signal_data)
+debug_windows_cb (void *data, const char *signal, const char *type_data,
+                  void *signal_data)
 {
     /* make C compiler happy */
     (void) data;

src/core/wee-hook.c

@@ -293,7 +293,7 @@ hook_exec_end ()
  */
 
 struct t_hook *
-hook_search_command (char *command)
+hook_search_command (const char *command)
 {
     struct t_hook *ptr_hook;
     
@@ -314,8 +314,10 @@ hook_search_command (char *command)
  */
 
 struct t_hook *
-hook_command (struct t_weechat_plugin *plugin, char *command, char *description,
-              char *args, char *args_description, char *completion,
+hook_command (struct t_weechat_plugin *plugin, const char *command,
+              const char *description,
+              const char *args, const char *args_description,
+              const char *completion,
               t_hook_callback_command *callback, void *callback_data)
 {
     struct t_hook *ptr_hook,*new_hook;
@@ -382,7 +384,7 @@ hook_command (struct t_weechat_plugin *plugin, char *command, char *description,
 
 int
 hook_command_exec (struct t_gui_buffer *buffer, int any_plugin,
-                   struct t_weechat_plugin *plugin, char *string)
+                   struct t_weechat_plugin *plugin, const char *string)
 {
     struct t_hook *ptr_hook, *next_hook;
     struct t_hook *hook_for_plugin, *hook_for_other_plugin;
@@ -791,8 +793,8 @@ hook_fd_exec (fd_set *read_fds, fd_set *write_fds, fd_set *exception_fds)
  */
 
 struct t_hook *
-hook_connect (struct t_weechat_plugin *plugin, char *address, int port,
-              int sock, int ipv6, void *gnutls_sess, char *local_hostname,
+hook_connect (struct t_weechat_plugin *plugin, const char *address, int port,
+              int sock, int ipv6, void *gnutls_sess, const char *local_hostname,
               t_hook_callback_connect *callback, void *callback_data)
 {
     struct t_hook *new_hook;
@@ -847,7 +849,7 @@ hook_connect (struct t_weechat_plugin *plugin, char *address, int port,
 
 struct t_hook *
 hook_print (struct t_weechat_plugin *plugin, struct t_gui_buffer *buffer,
-            char *tags, char *message, int strip_colors,
+            const char *tags, const char *message, int strip_colors,
             t_hook_callback_print *callback, void *callback_data)
 {
     struct t_hook *new_hook;
@@ -892,7 +894,7 @@ hook_print (struct t_weechat_plugin *plugin, struct t_gui_buffer *buffer,
 
 void
 hook_print_exec (struct t_gui_buffer *buffer, time_t date, int tags_count,
-                 char **tags_array, char *prefix, char *message)
+                 char **tags_array, const char *prefix, const char *message)
 {
     struct t_hook *ptr_hook, *next_hook;
     char *prefix_no_color, *message_no_color;
@@ -987,7 +989,7 @@ hook_print_exec (struct t_gui_buffer *buffer, time_t date, int tags_count,
  */
 
 struct t_hook *
-hook_signal (struct t_weechat_plugin *plugin, char *signal,
+hook_signal (struct t_weechat_plugin *plugin, const char *signal,
              t_hook_callback_signal *callback, void *callback_data)
 {
     struct t_hook *new_hook;
@@ -1022,7 +1024,7 @@ hook_signal (struct t_weechat_plugin *plugin, char *signal,
  */
 
 void
-hook_signal_send (char *signal, char *type_data, void *signal_data)
+hook_signal_send (const char *signal, const char *type_data, void *signal_data)
 {
     struct t_hook *ptr_hook, *next_hook;
     
@@ -1054,7 +1056,7 @@ hook_signal_send (char *signal, char *type_data, void *signal_data)
  */
 
 struct t_hook *
-hook_config (struct t_weechat_plugin *plugin, char *option,
+hook_config (struct t_weechat_plugin *plugin, const char *option,
              t_hook_callback_config *callback, void *callback_data)
 {
     struct t_hook *new_hook;
@@ -1086,7 +1088,7 @@ hook_config (struct t_weechat_plugin *plugin, char *option,
  */
 
 void
-hook_config_exec (char *option, char *value)
+hook_config_exec (const char *option, const char *value)
 {
     struct t_hook *ptr_hook, *next_hook;
     
@@ -1119,7 +1121,7 @@ hook_config_exec (char *option, char *value)
  */
 
 struct t_hook *
-hook_completion (struct t_weechat_plugin *plugin, char *completion,
+hook_completion (struct t_weechat_plugin *plugin, const char *completion,
                  t_hook_callback_completion *callback, void *callback_data)
 {
     struct t_hook *new_hook;
@@ -1154,7 +1156,7 @@ hook_completion (struct t_weechat_plugin *plugin, char *completion,
  */
 
 void
-hook_completion_exec (struct t_weechat_plugin *plugin, char *completion,
+hook_completion_exec (struct t_weechat_plugin *plugin, const char *completion,
                       struct t_gui_buffer *buffer, struct t_weelist *list)
 {
     struct t_hook *ptr_hook, *next_hook;
@@ -1191,7 +1193,7 @@ hook_completion_exec (struct t_weechat_plugin *plugin, char *completion,
  */
 
 struct t_hook *
-hook_modifier (struct t_weechat_plugin *plugin, char *modifier,
+hook_modifier (struct t_weechat_plugin *plugin, const char *modifier,
                t_hook_callback_modifier *callback, void *callback_data)
 {
     struct t_hook *new_hook;
@@ -1226,8 +1228,8 @@ hook_modifier (struct t_weechat_plugin *plugin, char *modifier,
  */
 
 char *
-hook_modifier_exec (struct t_weechat_plugin *plugin, char *modifier,
-                    char *modifier_data, char *string)
+hook_modifier_exec (struct t_weechat_plugin *plugin, const char *modifier,
+                    const char *modifier_data, const char *string)
 {
     struct t_hook *ptr_hook, *next_hook;
     char *new_msg, *message_modified;

src/core/wee-hook.h

@@ -135,8 +135,8 @@ struct t_hook_connect
 
 typedef int (t_hook_callback_print)(void *data, struct t_gui_buffer *buffer,
                                     time_t date, int tags_count,
-                                    char **tags, char *prefix,
-                                    char *message);
+                                    char **tags, const char *prefix,
+                                    const char *message);
 
 struct t_hook_print
 {
@@ -148,8 +148,8 @@ struct t_hook_print
     int strip_colors;                  /* strip colors in msg for callback? */
 };
 
-typedef int (t_hook_callback_signal)(void *data, char *signal,
-                                     char *type_data, void *signal_data);
+typedef int (t_hook_callback_signal)(void *data, const char *signal,
+                                     const char *type_data, void *signal_data);
 
 struct t_hook_signal
 {
@@ -158,7 +158,8 @@ struct t_hook_signal
                                        /* with "*", "*" == any signal)      */
 };
 
-typedef int (t_hook_callback_config)(void *data, char *option, char *value);
+typedef int (t_hook_callback_config)(void *data, const char *option,
+                                     const char *value);
 
 struct t_hook_config
 {
@@ -167,7 +168,7 @@ struct t_hook_config
                                        /* (NULL = hook for all options)     */
 };
 
-typedef int (t_hook_callback_completion)(void *data, char *completion,
+typedef int (t_hook_callback_completion)(void *data, const char *completion,
                                          struct t_gui_buffer *buffer,
                                          struct t_weelist *list);
 
@@ -177,8 +178,9 @@ struct t_hook_completion
     char *completion;                     /* name of completion             */
 };
 
-typedef char *(t_hook_callback_modifier)(void *data, char *modifier,
-                                         char *modifier_data, char *string);
+typedef char *(t_hook_callback_modifier)(void *data, const char *modifier,
+                                         const char *modifier_data,
+                                         const char *string);
 
 struct t_hook_modifier
 {
@@ -198,13 +200,13 @@ extern int hook_valid (struct t_hook *hook);
 extern int hook_valid_for_plugin (struct t_weechat_plugin *plugin,
                                   struct t_hook *hook);
 extern struct t_hook *hook_command (struct t_weechat_plugin *plugin,
-                                    char *command, char *description,
-                                    char *args, char *args_description,
-                                    char *completion,
+                                    const char *command, const char *description,
+                                    const char *args, const char *args_description,
+                                    const char *completion,
                                     t_hook_callback_command *callback,
                                     void *callback_data);
 extern int hook_command_exec (struct t_gui_buffer *buffer, int any_plugin,
-                              struct t_weechat_plugin *plugin, char *string);
+                              struct t_weechat_plugin *plugin, const char *string);
 extern struct t_hook *hook_timer (struct t_weechat_plugin *plugin,
                                   long interval, int align_second,
                                   int max_calls,
@@ -222,46 +224,47 @@ extern int hook_fd_set (fd_set *read_fds, fd_set *write_fds,
 extern void hook_fd_exec (fd_set *read_fds, fd_set *write_fds,
                           fd_set *exception_fds);
 extern struct t_hook *hook_connect (struct t_weechat_plugin *plugin,
-                                    char *address, int port,
+                                    const char *address, int port,
                                     int sock, int ipv6, void *gnutls_session,
-                                    char *local_hostname,
+                                    const char *local_hostname,
                                     t_hook_callback_connect * callback,
                                     void *callback_data);
 extern struct t_hook *hook_print (struct t_weechat_plugin *plugin,
                                   struct t_gui_buffer *buffer,
-                                  char *tags, char *message,
+                                  const char *tags, const char *message,
                                   int strip_colors,
                                   t_hook_callback_print *callback,
                                   void *callback_data);
 extern void hook_print_exec (struct t_gui_buffer *buffer,
                              time_t date, int tags_count,
-                             char **tags_array, char *prefix,
-                             char *message);
+                             char **tags_array, const char *prefix,
+                             const char *message);
 extern struct t_hook *hook_signal (struct t_weechat_plugin *plugin,
-                                   char *signal,
+                                   const char *signal,
                                    t_hook_callback_signal *callback,
                                    void *callback_data);
-extern void hook_signal_send (char *signal, char *type_data,
+extern void hook_signal_send (const char *signal, const char *type_data,
                               void *signal_data);
-extern struct t_hook *hook_config (struct t_weechat_plugin *, char *option,
+extern struct t_hook *hook_config (struct t_weechat_plugin *, const char *option,
                                    t_hook_callback_config *callback,
                                    void *callback_data);
-extern void hook_config_exec (char *option, char *value);
+extern void hook_config_exec (const char *option, const char *value);
 extern struct t_hook *hook_completion (struct t_weechat_plugin *plugin,
-                                       char *completion,
+                                       const char *completion,
                                        t_hook_callback_completion *callback,
                                        void *callback_data);
 extern void hook_completion_exec (struct t_weechat_plugin *plugin,
-                                  char *completion,
+                                  const char *completion,
                                   struct t_gui_buffer *buffer,
                                   struct t_weelist *list);
 extern struct t_hook *hook_modifier (struct t_weechat_plugin *plugin,
-                                     char *modifier,
+                                     const char *modifier,
                                      t_hook_callback_modifier *callback,
                                      void *callback_data);
 extern char *hook_modifier_exec (struct t_weechat_plugin *plugin,
-                                 char *modifier, char *modifier_data,
-                                 char *string);
+                                 const char *modifier,
+                                 const char *modifier_data,
+                                 const char *string);
 extern void unhook (struct t_hook *hook);
 extern void unhook_all_plugin (struct t_weechat_plugin *plugin);
 extern void unhook_all ();

src/core/wee-input.c

@@ -42,7 +42,7 @@
  */
 
 int
-input_is_command (char *line)
+input_is_command (const char *line)
 {
     char *pos_slash, *pos_space;
 
@@ -69,7 +69,7 @@ int
 input_exec_command (struct t_gui_buffer *buffer,
                     int any_plugin,
                     struct t_weechat_plugin *plugin,
-                    char *string)
+                    const char *string)
 {
     int rc;
     char *command, *pos, *ptr_args;
@@ -136,9 +136,10 @@ input_exec_command (struct t_gui_buffer *buffer,
  */
 
 void
-input_data (struct t_gui_buffer *buffer, char *data)
+input_data (struct t_gui_buffer *buffer, const char *data)
 {
-    char *new_data, *ptr_data, *pos;
+    char *new_data, *pos;
+    const char *ptr_data;
     
     if (!buffer || !data || !data[0] || (data[0] == '\r') || (data[0] == '\n'))
         return;

src/core/wee-input.h

@@ -26,7 +26,7 @@ struct t_weechat_plugin;
 extern int input_exec_command (struct t_gui_buffer *buffer,
                                int any_plugin,
                                struct t_weechat_plugin *plugin,
-                               char *string);
-extern void input_data (struct t_gui_buffer *buffer, char *data);
+                               const char *string);
+extern void input_data (struct t_gui_buffer *buffer, const char *data);
 
 #endif /* wee-input.h */

src/core/wee-list.c

@@ -56,7 +56,7 @@ weelist_new ()
  */
 
 struct t_weelist_item *
-weelist_find_pos (struct t_weelist *weelist, char *data)
+weelist_find_pos (struct t_weelist *weelist, const char *data)
 {
     struct t_weelist_item *ptr_item;
 
@@ -79,7 +79,7 @@ weelist_find_pos (struct t_weelist *weelist, char *data)
 
 void
 weelist_insert (struct t_weelist *weelist, struct t_weelist_item *item,
-                char *where)
+                const char *where)
 {
     struct t_weelist_item *pos_item;
 
@@ -139,7 +139,7 @@ weelist_insert (struct t_weelist *weelist, struct t_weelist_item *item,
  */
 
 struct t_weelist_item *
-weelist_add (struct t_weelist *weelist, char *data, char *where)
+weelist_add (struct t_weelist *weelist, const char *data, const char *where)
 {
     struct t_weelist_item *new_item;
     
@@ -161,7 +161,7 @@ weelist_add (struct t_weelist *weelist, char *data, char *where)
  */
 
 struct t_weelist_item *
-weelist_search (struct t_weelist *weelist, char *data)
+weelist_search (struct t_weelist *weelist, const char *data)
 {
     struct t_weelist_item *ptr_item;
 
@@ -183,7 +183,7 @@ weelist_search (struct t_weelist *weelist, char *data)
  */
 
 struct t_weelist_item *
-weelist_casesearch (struct t_weelist *weelist, char *data)
+weelist_casesearch (struct t_weelist *weelist, const char *data)
 {
     struct t_weelist_item *ptr_item;
 
@@ -231,7 +231,7 @@ weelist_get (struct t_weelist *weelist, int position)
  */
 
 void
-weelist_set (struct t_weelist_item *item, char *value)
+weelist_set (struct t_weelist_item *item, const char *value)
 {
     if (!item || !value)
         return;
@@ -363,7 +363,7 @@ weelist_free (struct t_weelist *weelist)
  */
 
 void
-weelist_print_log (struct t_weelist *weelist, char *name)
+weelist_print_log (struct t_weelist *weelist, const char *name)
 {
     struct t_weelist_item *ptr_item;
     

src/core/wee-list.h

@@ -36,14 +36,14 @@ struct t_weelist
 
 extern struct t_weelist *weelist_new ();
 extern struct t_weelist_item *weelist_add (struct t_weelist *weelist,
-                                           char *data, char *where);
+                                           const char *data, const char *where);
 extern struct t_weelist_item *weelist_search (struct t_weelist *weelist,
-                                              char *data);
+                                              const char *data);
 extern struct t_weelist_item *weelist_casesearch (struct t_weelist *weelist,
-                                                  char *data);
+                                                  const char *data);
 extern struct t_weelist_item *weelist_get (struct t_weelist *weelist,
                                            int position);
-extern void weelist_set (struct t_weelist_item *item, char *value);
+extern void weelist_set (struct t_weelist_item *item, const char *value);
 extern struct t_weelist_item *weelist_next (struct t_weelist_item *item);
 extern struct t_weelist_item *weelist_prev (struct t_weelist_item *item);
 extern char *weelist_string (struct t_weelist_item *item);
@@ -52,6 +52,6 @@ extern void weelist_remove (struct t_weelist *weelist,
                             struct t_weelist_item *item);
 extern void weelist_remove_all (struct t_weelist *weelist);
 extern void weelist_free (struct t_weelist *weelist);
-extern void weelist_print_log (struct t_weelist *weelist, char *name);
+extern void weelist_print_log (struct t_weelist *weelist, const char *name);
 
 #endif /* wee-list.h */

src/core/wee-log.c

@@ -50,7 +50,7 @@ FILE *weechat_log_file = NULL;     /* WeeChat log file                      */
  */
 
 int
-log_open (char *filename, char *mode)
+log_open (const char *filename, const char *mode)
 {
     int filename_length;
 
@@ -117,7 +117,7 @@ log_init ()
  */
 
 void
-log_printf (char *message, ...)
+log_printf (const char *message, ...)
 {
     static char buffer[4096];
     char *ptr_buffer;

src/core/wee-log.h

@@ -25,7 +25,7 @@ extern FILE *weechat_log_file;
 
 extern void log_init ();
 extern void log_close ();
-extern void log_printf (char *message, ...);
+extern void log_printf (const char *message, ...);
 extern int log_crash_rename ();
 
 #endif /* wee-log.h */

src/core/wee-network.c

@@ -90,7 +90,7 @@ network_end ()
  */
 
 void
-network_convbase64_8x3_to_6x4 (char *from, char *to)
+network_convbase64_8x3_to_6x4 (const char *from, char *to)
 {
     unsigned char base64_table[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
         "abcdefghijklmnopqrstuvwxyz0123456789+/";
@@ -106,9 +106,10 @@ network_convbase64_8x3_to_6x4 (char *from, char *to)
  */
 
 void
-network_base64encode (char *from, char *to)
+network_base64encode (const char *from, char *to)
 {
-    char *f, *t;
+    const char *f;
+    char *t;
     int from_len;
     
     from_len = strlen (from);
@@ -153,9 +154,8 @@ network_base64encode (char *from, char *to)
  */
 
 int
-network_pass_httpproxy (int sock, char *address, int port)
+network_pass_httpproxy (int sock, const char *address, int port)
 {
-
     char buffer[256], authbuf[128], authbuf_base64[196];
     int n, m;
     
@@ -204,7 +204,7 @@ network_pass_httpproxy (int sock, char *address, int port)
  */
 
 int
-network_resolve (char *hostname, char *ip, int *version)
+network_resolve (const char *hostname, char *ip, int *version)
 {
     char ipbuffer[NI_MAXHOST];
     struct addrinfo *res;
@@ -248,7 +248,7 @@ network_resolve (char *hostname, char *ip, int *version)
  */
 
 int
-network_pass_socks4proxy (int sock, char *address, int port)
+network_pass_socks4proxy (int sock, const char *address, int port)
 {
     /* 
      * socks4 protocol is explained here: 
@@ -294,7 +294,7 @@ network_pass_socks4proxy (int sock, char *address, int port)
  */
 
 int
-network_pass_socks5proxy (int sock, char *address, int port)
+network_pass_socks5proxy (int sock, const char *address, int port)
 {
     /* 
      * socks5 protocol is explained in RFC 1928
@@ -440,7 +440,7 @@ network_pass_socks5proxy (int sock, char *address, int port)
  */
 
 int
-network_pass_proxy (int sock, char *address, int port)
+network_pass_proxy (int sock, const char *address, int port)
 {
     int rc;
     

src/core/wee-network.h

@@ -24,7 +24,7 @@ struct t_hook;
 
 extern void network_init ();
 extern void network_end ();
-extern int network_pass_proxy (int sock, char *address, int port);
+extern int network_pass_proxy (int sock, const char *address, int port);
 extern int network_connect_to (int sock, unsigned long address, int port);
 extern void network_connect_with_fork (struct t_hook *);
 

src/core/wee-string.c

@@ -59,7 +59,7 @@
  */
 
 char *
-string_strndup (char *string, int length)
+string_strndup (const char *string, int length)
 {
     char *result;
     
@@ -111,7 +111,7 @@ string_toupper (char *string)
  */
 
 int
-string_strcasecmp (char *string1, char *string2)
+string_strcasecmp (const char *string1, const char *string2)
 {
     int diff;
     
@@ -137,7 +137,7 @@ string_strcasecmp (char *string1, char *string2)
  */
 
 int
-string_strncasecmp (char *string1, char *string2, int max)
+string_strncasecmp (const char *string1, const char *string2, int max)
 {
     int count, diff;
     
@@ -167,8 +167,8 @@ string_strncasecmp (char *string1, char *string2, int max)
  */
 
 int
-string_strcmp_ignore_chars (char *string1, char *string2, char *chars_ignored,
-                            int case_sensitive)
+string_strcmp_ignore_chars (const char *string1, const char *string2,
+                            const char *chars_ignored, int case_sensitive)
 {
     int diff;
     
@@ -230,7 +230,7 @@ string_strcmp_ignore_chars (char *string1, char *string2, char *chars_ignored,
  */
 
 char *
-string_strcasestr (char *string, char *search)
+string_strcasestr (const char *string, const char *search)
 {
     int length_search;
     
@@ -242,7 +242,7 @@ string_strcasestr (char *string, char *search)
     while (string[0])
     {
         if (string_strncasecmp (string, search, length_search) == 0)
-            return string;
+            return (char *)string;
         
         string++;
     }
@@ -257,7 +257,7 @@ string_strcasestr (char *string, char *search)
  */
 
 int
-string_match (char *string, char *mask, int case_sensitive)
+string_match (const char *string, const char *mask, int case_sensitive)
 {
     char last, *mask2;
     int len_string, len_mask, rc;
@@ -340,9 +340,10 @@ string_match (char *string, char *mask, int case_sensitive)
  */
 
 char *
-string_replace (char *string, char *search, char *replace)
+string_replace (const char *string, const char *search, const char *replace)
 {
-    char *pos, *new_string;
+    const char *pos;
+    char *new_string;
     int length1, length2, length_new, count;
     
     if (!string || !search || !replace)
@@ -398,10 +399,10 @@ string_replace (char *string, char *search, char *replace)
  */
 
 char *
-string_remove_quotes (char *string, char *quotes)
+string_remove_quotes (const char *string, const char *quotes)
 {
     int length;
-    char *pos_start, *pos_end;
+    const char *pos_start, *pos_end;
     
     if (!string || !quotes)
         return NULL;
@@ -435,12 +436,13 @@ string_remove_quotes (char *string, char *quotes)
 
 /*
  * string_strip: strip chars at beginning and/or end of string
+ *               note: returned value has to be free() after use
  */
 
 char *
-string_strip (char *string, int left, int right, char *chars)
+string_strip (const char *string, int left, int right, const char *chars)
 {
-    char *ptr_start, *ptr_end;
+    const char *ptr_start, *ptr_end;
     
     if (!string)
         return NULL;
@@ -476,10 +478,11 @@ string_strip (char *string, int left, int right, char *chars)
 
 /*
  * string_convert_hex_chars: convert hex chars (\x??) to value
+ *                           note: returned value has to be free() after use
  */
 
 char *
-string_convert_hex_chars (char *string)
+string_convert_hex_chars (const char *string)
 {
     char *output, hex_str[8], *error;
     int pos_output;
@@ -550,7 +553,7 @@ string_convert_hex_chars (char *string)
  */
 
 wint_t
-string_get_wide_char (char *string)
+string_get_wide_char (const char *string)
 {
     int char_size;
     wint_t result;
@@ -590,7 +593,7 @@ string_get_wide_char (char *string)
  */
 
 int
-string_is_word_char (char *string)
+string_is_word_char (const char *string)
 {
     wint_t c = string_get_wide_char (string);
     
@@ -619,7 +622,7 @@ string_is_word_char (char *string)
  */
 
 int
-string_has_highlight (char *string, char *highlight_words)
+string_has_highlight (const char *string, const char *highlight_words)
 {
     char *msg, *highlight, *match, *match_pre, *match_post, *msg_pos, *pos, *pos_end;
     int end, length, startswith, endswith, wildcard_start, wildcard_end;
@@ -728,7 +731,7 @@ string_has_highlight (char *string, char *highlight_words)
  */
 
 char **
-string_explode (char *string, char *separators, int keep_eol,
+string_explode (const char *string, const char *separators, int keep_eol,
                 int num_items_max, int *num_items)
 {
     int i, n_items;
@@ -851,7 +854,7 @@ string_free_exploded (char **exploded_string)
  */
 
 char *
-string_build_with_exploded (char **exploded_string, char *separator)
+string_build_with_exploded (char **exploded_string, const char *separator)
 {
     int i, length, length_separator;
     char *result;
@@ -889,11 +892,12 @@ string_build_with_exploded (char **exploded_string, char *separator)
  */
 
 char **
-string_split_command (char *command, char separator)
+string_split_command (const char *command, char separator)
 {
     int nb_substr, arr_idx, str_idx, type;
     char **array;
-    char *buffer, *ptr, *p;
+    char *buffer, *p;
+    const char *ptr;
 
     if (!command || !command[0])
 	return NULL;
@@ -985,10 +989,12 @@ string_free_splitted_command (char **splitted_command)
 
 /*
  * string_iconv: convert string to another charset
+ *               note: returned value has to be free() after use
  */
 
 char *
-string_iconv (int from_utf8, char *from_code, char *to_code, char *string)
+string_iconv (int from_utf8, const char *from_code, const char *to_code,
+              const char *string)
 {
     char *outbuf;
     
@@ -1090,10 +1096,11 @@ string_iconv (int from_utf8, char *from_code, char *to_code, char *string)
 /*
  * string_iconv_to_internal: convert user string (input, script, ..) to
  *                           WeeChat internal storage charset
+ *                           note: returned value has to be free() after use
  */
 
 char *
-string_iconv_to_internal (char *charset, char *string)
+string_iconv_to_internal (const char *charset, const char *string)
 {
     char *input, *output;
     
@@ -1127,10 +1134,11 @@ string_iconv_to_internal (char *charset, char *string)
 /*
  * string_iconv_from_internal: convert internal string to terminal charset,
  *                             for display
+ *                             note: returned value has to be free() after use
  */
 
 char *
-string_iconv_from_internal (char *charset, char *string)
+string_iconv_from_internal (const char *charset, const char *string)
 {
     char *input, *output;
     
@@ -1163,7 +1171,7 @@ string_iconv_from_internal (char *charset, char *string)
  */
 
 void
-string_iconv_fprintf (FILE *file, char *data, ...)
+string_iconv_fprintf (FILE *file, const char *data, ...)
 {
     va_list argptr;
     char *buf, *buf2;

src/core/wee-string.h

@@ -20,31 +20,39 @@
 #ifndef __WEECHAT_STRING_H
 #define __WEECHAT_STRING_H 1
 
-extern char *string_strndup (char *string, int length);
+extern char *string_strndup (const char *string, int length);
 extern void string_tolower (char *string);
 extern void string_toupper (char *string);
-extern int string_strcasecmp (char *string1, char *string2);
-extern int string_strncasecmp (char *string1, char *string2, int max);
-extern int string_strcmp_ignore_chars (char *string1, char *string2,
-                                       char *chars_ignored, int case_sensitive);
-extern char *string_strcasestr (char *string, char *search);
-extern int string_match (char *string, char *mask, int case_sensitive);
-extern char *string_replace (char *string, char *search, char *replace);
-extern char *string_remove_quotes (char *string, char *quotes);
-extern char *string_strip (char *string, int left, int right, char *chars);
-extern char *string_convert_hex_chars (char *string);
-extern int string_has_highlight (char *string, char *highlight_words);
-extern char **string_explode (char *string, char *separators, int keep_eol,
-                              int num_items_max, int *num_items);
+extern int string_strcasecmp (const char *string1, const char *string2);
+extern int string_strncasecmp (const char *string1, const char *string2,
+                               int max);
+extern int string_strcmp_ignore_chars (const char *string1,
+                                       const char *string2,
+                                       const char *chars_ignored,
+                                       int case_sensitive);
+extern char *string_strcasestr (const char *string, const char *search);
+extern int string_match (const char *string, const char *mask,
+                         int case_sensitive);
+extern char *string_replace (const char *string, const char *search,
+                             const char *replace);
+extern char *string_remove_quotes (const char *string, const char *quotes);
+extern char *string_strip (const char *string, int left, int right,
+                           const char *chars);
+extern char *string_convert_hex_chars (const char *string);
+extern int string_has_highlight (const char *string,
+                                 const char *highlight_words);
+extern char **string_explode (const char *string, const char *separators,
+                              int keep_eol, int num_items_max, int *num_items);
 extern void string_free_exploded (char **exploded_string);
 extern char *string_build_with_exploded (char **exploded_string,
-                                         char *separator);
-extern char **string_split_command (char *command, char separator);
+                                         const char *separator);
+extern char **string_split_command (const char *command, char separator);
 extern void string_free_splitted_command (char **splitted_command);
-extern char *string_iconv (int from_utf8, char *from_code, char *to_code,
-                           char *string);
-extern char *string_iconv_to_internal (char *charset, char *string);
-extern char *string_iconv_from_internal (char *charset, char *string);
-extern void string_iconv_fprintf (FILE *file, char *data, ...);
+extern char *string_iconv (int from_utf8, const char *from_code,
+                           const char *to_code, const char *string);
+extern char *string_iconv_to_internal (const char *charset, const char *string);
+extern char *string_iconv_from_internal (const char *charset,
+                                         const char *string);
+extern void string_iconv_fprintf (FILE *file, const char *data, ...);
 
 #endif /* wee-string.h */

src/core/wee-upgrade.c

@@ -86,7 +86,7 @@ session_write_int (FILE *file, int id, int value)
  */
 
 int
-session_write_str (FILE *file, int id, char *string)
+session_write_str (FILE *file, int id, const char *string)
 {
     char type;
     int length;
@@ -470,7 +470,7 @@ session_save_hotlist (FILE *file)
  */
 
 /*int
-session_save (char *filename)
+session_save (const char *filename)
 {
     FILE *file;
     int rc;
@@ -499,7 +499,7 @@ session_save (char *filename)
  */
 
 void
-session_crash (FILE *file, char *message, ...)
+session_crash (FILE *file, const char *message, ...)
 {
     char buf[4096];
     va_list argptr;
@@ -1718,7 +1718,7 @@ session_load_hotlist (FILE *file)
  */
 
 /*int
-session_load (char *filename)
+session_load (const char *filename)
 {
     FILE *file;
     char *signature;

src/core/wee-upgrade.h

@@ -199,7 +199,7 @@ enum t_session_hotlist
     SESSION_HOTL_CREATION_TIME
 };
 
-int session_save (char *filename);
-int session_load (char *filename);
+int session_save (const char *filename);
+int session_load (const char *filename);
 
 #endif /* wee-upgrade.h */

src/core/wee-utf8.c

@@ -49,7 +49,7 @@ utf8_init ()
  */
 
 int
-utf8_has_8bits (char *string)
+utf8_has_8bits (const char *string)
 {
     while (string && string[0])
     {
@@ -67,7 +67,7 @@ utf8_has_8bits (char *string)
  */
 
 int
-utf8_is_valid (char *string, char **error)
+utf8_is_valid (const char *string, char **error)
 {
     while (string && string[0])
     {
@@ -77,7 +77,7 @@ utf8_is_valid (char *string, char **error)
             if (!string[1] || (((unsigned char)(string[1]) & 0xC0) != 0x80))
             {
                 if (error)
-                    *error = string;
+                    *error = (char *)string;
                 return 0;
             }
             string += 2;
@@ -90,7 +90,7 @@ utf8_is_valid (char *string, char **error)
                 || (((unsigned char)(string[2]) & 0xC0) != 0x80))
             {
                 if (error)
-                    *error = string;
+                    *error = (char *)string;
                 return 0;
             }
             string += 3;
@@ -104,7 +104,7 @@ utf8_is_valid (char *string, char **error)
                 || (((unsigned char)(string[3]) & 0xC0) != 0x80))
             {
                 if (error)
-                    *error = string;
+                    *error = (char *)string;
                 return 0;
             }
             string += 4;
@@ -113,7 +113,7 @@ utf8_is_valid (char *string, char **error)
         else if ((unsigned char)(string[0]) >= 0x80)
         {
             if (error)
-                *error = string;
+                *error = (char *)string;
             return 0;
         }
         else
@@ -130,7 +130,7 @@ utf8_is_valid (char *string, char **error)
  */
 
 void
-utf8_normalize (char *string, char replacement)
+utf8_normalize (const char *string, char replacement)
 {
     char *error;
     
@@ -148,7 +148,7 @@ utf8_normalize (char *string, char replacement)
  */
 
 char *
-utf8_prev_char (char *string_start, char *string)
+utf8_prev_char (const char *string_start, const char *string)
 {
     if (!string || (string <= string_start))
         return NULL;
@@ -160,28 +160,28 @@ utf8_prev_char (char *string_start, char *string)
         /* UTF-8, at least 2 bytes */
         string--;
         if (string < string_start)
-            return string + 1;
+            return (char *)string + 1;
         if (((unsigned char)(string[0]) & 0xC0) == 0x80)
         {
             /* UTF-8, at least 3 bytes */
             string--;
             if (string < string_start)
-                return string + 1;
+                return (char *)string + 1;
             if (((unsigned char)(string[0]) & 0xC0) == 0x80)
             {
                 /* UTF-8, 4 bytes */
                 string--;
                 if (string < string_start)
-                    return string + 1;
-                return string;
+                    return (char *)string + 1;
+                return (char *)string;
             }
             else
-                return string;
+                return (char *)string;
         }
         else
-            return string;
+            return (char *)string;
     }
-    return string;
+    return (char *)string;
 }
 
 /*
@@ -189,7 +189,7 @@ utf8_prev_char (char *string_start, char *string)
  */
 
 char *
-utf8_next_char (char *string)
+utf8_next_char (const char *string)
 {
     if (!string)
         return NULL;
@@ -198,31 +198,31 @@ utf8_next_char (char *string)
     if (((unsigned char)(string[0]) & 0xE0) == 0xC0)
     {
         if (!string[1])
-            return string + 1;
-        return string + 2;
+            return (char *)string + 1;
+        return (char *)string + 2;
     }
     /* UTF-8, 3 bytes: 1110vvvv 10vvvvvv 10vvvvvv */
     else if (((unsigned char)(string[0]) & 0xF0) == 0xE0)
     {
         if (!string[1])
-            return string + 1;
+            return (char *)string + 1;
         if (!string[2])
-            return string + 2;
-        return string + 3;
+            return (char *)string + 2;
+        return (char *)string + 3;
     }
     /* UTF-8, 4 bytes: 11110vvv 10vvvvvv 10vvvvvv 10vvvvvv */
     else if (((unsigned char)(string[0]) & 0xF8) == 0xF0)
     {
         if (!string[1])
-            return string + 1;
+            return (char *)string + 1;
         if (!string[2])
-            return string + 2;
+            return (char *)string + 2;
         if (!string[3])
-            return string + 3;
-        return string + 4;
+            return (char *)string + 3;
+        return (char *)string + 4;
     }
     /* UTF-8, 1 byte: 0vvvvvvv */
-    return string + 1;
+    return (char *)string + 1;
 }
 
 /*
@@ -230,7 +230,7 @@ utf8_next_char (char *string)
  */
 
 int
-utf8_char_size (char *string)
+utf8_char_size (const char *string)
 {
     if (!string)
         return 0;
@@ -243,7 +243,7 @@ utf8_char_size (char *string)
  */
 
 int
-utf8_strlen (char *string)
+utf8_strlen (const char *string)
 {
     int length;
     
@@ -264,7 +264,7 @@ utf8_strlen (char *string)
  */
 
 int
-utf8_strnlen (char *string, int bytes)
+utf8_strnlen (const char *string, int bytes)
 {
     char *start;
     int length;
@@ -272,7 +272,7 @@ utf8_strnlen (char *string, int bytes)
     if (!string)
         return 0;
     
-    start = string;
+    start = (char *)string;
     length = 0;
     while (string && string[0] && (string - start < bytes))
     {
@@ -288,7 +288,7 @@ utf8_strnlen (char *string, int bytes)
  */
 
 int
-utf8_strlen_screen (char *string)
+utf8_strlen_screen (const char *string)
 {
     int length, num_char;
     wchar_t *wstring;
@@ -320,7 +320,7 @@ utf8_strlen_screen (char *string)
  */
 
 int
-utf8_charcasecmp (char *string1, char *string2)
+utf8_charcasecmp (const char *string1, const char *string2)
 {
     int length1, length2, i, char1, char2, diff;
     
@@ -367,7 +367,7 @@ utf8_charcasecmp (char *string1, char *string2)
  */
 
 int
-utf8_char_size_screen (char *string)
+utf8_char_size_screen (const char *string)
 {
     int char_size;
     char utf_char[16];
@@ -390,12 +390,12 @@ utf8_char_size_screen (char *string)
  */
 
 char *
-utf8_add_offset (char *string, int offset)
+utf8_add_offset (const char *string, int offset)
 {
     int count;
 
     if (!string)
-        return string;
+        return NULL;
     
     count = 0;
     while (string && string[0] && (count < offset))
@@ -403,7 +403,7 @@ utf8_add_offset (char *string, int offset)
         string = utf8_next_char (string);
         count++;
     }
-    return string;
+    return (char *)string;
 }
 
 /*
@@ -412,7 +412,7 @@ utf8_add_offset (char *string, int offset)
  */
 
 int
-utf8_real_pos (char *string, int pos)
+utf8_real_pos (const char *string, int pos)
 {
     int count, real_pos;
     char *next_char;
@@ -438,7 +438,7 @@ utf8_real_pos (char *string, int pos)
  */
 
 int
-utf8_pos (char *string, int real_pos)
+utf8_pos (const char *string, int real_pos)
 {
     int count;
     char *limit;
@@ -447,7 +447,7 @@ utf8_pos (char *string, int real_pos)
         return real_pos;
     
     count = 0;
-    limit = string + real_pos;
+    limit = (char *)string + real_pos;
     while (string && string[0] && (string < limit))
     {
         string = utf8_next_char (string);

src/core/wee-utf8.h

@@ -33,19 +33,19 @@
 extern int local_utf8;
 
 extern void utf8_init ();
-extern int utf8_has_8bits (char *string);
-extern int utf8_is_valid (char *string, char **error);
-extern void utf8_normalize (char *string, char replacement);
-extern char *utf8_prev_char (char *string_start, char *string);
-extern char *utf8_next_char (char *string);
-extern int utf8_char_size (char *string);
-extern int utf8_strlen (char *string);
-extern int utf8_strnlen (char *string, int bytes);
-extern int utf8_strlen_screen (char *string);
-extern int utf8_charcasecmp (char *string1, char *string2);
-extern int utf8_char_size_screen (char *string);
-extern char *utf8_add_offset (char *string, int offset);
-extern int utf8_real_pos (char *string, int pos);
-extern int utf8_pos (char *string, int real_pos);
+extern int utf8_has_8bits (const char *string);
+extern int utf8_is_valid (const char *string, char **error);
+extern void utf8_normalize (const char *string, char replacement);
+extern char *utf8_prev_char (const char *string_start, const char *string);
+extern char *utf8_next_char (const char *string);
+extern int utf8_char_size (const char *string);
+extern int utf8_strlen (const char *string);
+extern int utf8_strnlen (const char *string, int bytes);
+extern int utf8_strlen_screen (const char *string);
+extern int utf8_charcasecmp (const char *string1, const char *string2);
+extern int utf8_char_size_screen (const char *string);
+extern char *utf8_add_offset (const char *string, int offset);
+extern int utf8_real_pos (const char *string, int pos);
+extern int utf8_pos (const char *string, int real_pos);
 
 #endif /* wee-utf8.h */

src/core/wee-util.c

@@ -106,7 +106,7 @@ util_timeval_add (struct timeval *tv, long interval)
  */
 
 int
-util_get_time_length (char *time_format)
+util_get_time_length (const char *time_format)
 {
     time_t date;
     struct tm *local_time;
@@ -144,7 +144,7 @@ util_catch_signal (int signum, void (*handler)(int))
  */
 
 int
-util_create_dir (char *directory, int permissions)
+util_create_dir (const char *directory, int permissions)
 {
     if (mkdir (directory, 0755) < 0)
     {
@@ -169,8 +169,8 @@ util_create_dir (char *directory, int permissions)
  */
 
 void
-util_exec_on_files (char *directory, void *data,
-                    int (*callback)(void *data, char *filename))
+util_exec_on_files (const char *directory, void *data,
+                    int (*callback)(void *data, const char *filename))
 {
     char complete_filename[1024];
     DIR *dir;
@@ -209,7 +209,7 @@ util_exec_on_files (char *directory, void *data,
  */
 
 char *
-util_search_full_lib_name (char *filename, char *sys_directory)
+util_search_full_lib_name (const char *filename, const char *sys_directory)
 {
     char *name_with_ext, *final_name;
     int length;
@@ -279,7 +279,7 @@ util_search_full_lib_name (char *filename, char *sys_directory)
  */
 
 int
-util_weechat_version_cmp (char *version1, char *version2)
+util_weechat_version_cmp (const char *version1, const char *version2)
 {
     char *v1, *v2, *ptr_v1, *ptr_v2, *pos1, *pos2, *next1, *next2;
     char *error1, *error2;

src/core/wee-util.h

@@ -23,12 +23,15 @@
 extern int util_timeval_cmp (struct timeval *tv1, struct timeval *tv2);
 extern long util_timeval_diff (struct timeval *tv1, struct timeval *tv2);
 extern void util_timeval_add (struct timeval *tv, long interval);
-extern int util_get_time_length (char *time_format);
+extern int util_get_time_length (const char *time_format);
 extern void util_catch_signal (int signum, void (*handler)(int));
-extern int util_create_dir (char *directory, int permissions);
-extern void util_exec_on_files (char *directory, void *data,
-                                int (*callback)(void *data, char *filename));
-extern char *util_search_full_lib_name (char *filename, char *sys_directory);
-extern int util_weechat_version_cmp (char *version1, char *version2);
+extern int util_create_dir (const char *directory, int permissions);
+extern void util_exec_on_files (const char *directory, void *data,
+                                int (*callback)(void *data,
+                                                const char *filename));
+extern char *util_search_full_lib_name (const char *filename,
+                                        const char *sys_directory);
+extern int util_weechat_version_cmp (const char *version1,
+                                     const char *version2);
 
 #endif /* wee-util.h */

src/gui/curses/gui-curses-bar.c

@@ -574,7 +574,7 @@ gui_bar_window_add_missing_bars (struct t_gui_window *window)
 
 void
 gui_bar_window_print_string (struct t_gui_bar_window *bar_window,
-                             int *x, int *y, char *string)
+                             int *x, int *y, const char *string)
 {
     int weechat_color, size_on_screen, fg, bg;
     char str_fg[3], str_bg[3], utf_char[16], *next_char, *output;

src/gui/curses/gui-curses-chat.c

@@ -213,8 +213,8 @@ gui_chat_display_horizontal_line (struct t_gui_window *window, int simulate)
  */
 
 char *
-gui_chat_string_next_char (struct t_gui_window *window, unsigned char *string,
-                           int apply_style)
+gui_chat_string_next_char (struct t_gui_window *window,
+                           const unsigned char *string, int apply_style)
 {
     char str_fg[3], str_bg[3];
     int weechat_color, fg, bg;
@@ -375,7 +375,7 @@ gui_chat_string_next_char (struct t_gui_window *window, unsigned char *string,
  */
 
 void
-gui_chat_display_word_raw (struct t_gui_window *window, char *string,
+gui_chat_display_word_raw (struct t_gui_window *window, const char *string,
                            int max_chars_on_screen, int display)
 {
     char *next_char, *output, utf_char[16], chars_displayed, size_on_screen;

src/gui/curses/gui-curses-color.c

@@ -62,7 +62,7 @@ struct t_gui_color gui_weechat_colors[GUI_CURSES_NUM_WEECHAT_COLORS + 1] =
  */
 
 int
-gui_color_search (char *color_name)
+gui_color_search (const char *color_name)
 {
     int i;
 
@@ -82,7 +82,7 @@ gui_color_search (char *color_name)
  */
 
 /*void
-gui_color_get_fg_bg (char *string, char **fg, char **bg)
+gui_color_get_fg_bg (const char *string, const char **fg, const char **bg)
 {
     char *pos, *pos_end_fg;
     
@@ -124,7 +124,7 @@ gui_color_get_fg_bg (char *string, char **fg, char **bg)
  */
 
 int
-gui_color_assign (int *color, char *color_name)
+gui_color_assign (int *color, const char *color_name)
 {
     int i;
     
@@ -149,7 +149,7 @@ gui_color_assign (int *color, char *color_name)
  */
 
 /*void
-gui_color_assign (t_gui_color **color, char *fg_and_bg)
+gui_color_assign (t_gui_color **color, const char *fg_and_bg)
 {
     char *color_fg, *color_bg, *color_fg2, *color_bg2;
     int value_fg, value_bg;

src/gui/curses/gui-curses-window.c

@@ -158,7 +158,7 @@ gui_window_objects_free (struct t_gui_window *window, int free_separator,
  */
 
 int
-gui_window_utf_char_valid (char *utf_char)
+gui_window_utf_char_valid (const char *utf_char)
 {
     /* 146 or 0x7F are not valid */
     if ((((unsigned char)(utf_char[0]) == 146)
@@ -175,7 +175,7 @@ gui_window_utf_char_valid (char *utf_char)
  */
 
 void
-gui_window_wprintw (WINDOW *window, char *data, ...)
+gui_window_wprintw (WINDOW *window, const char *data, ...)
 {
     va_list argptr;
     static char buf[4096];

src/gui/curses/gui-curses.h

@@ -90,8 +90,8 @@ extern void gui_keyboard_default_bindings ();
 extern int gui_keyboard_read_cb (void *data);
 
 /* window functions */
-extern int gui_window_utf_char_valid (char *utf_char);
-extern void gui_window_wprintw (WINDOW *window, char *data, ...);
+extern int gui_window_utf_char_valid (const char *utf_char);
+extern void gui_window_wprintw (WINDOW *window, const char *data, ...);
 extern void gui_window_clear_weechat (WINDOW *window, int num_color);
 extern void gui_window_clear (WINDOW *window, int bg);
 extern void gui_window_reset_style (WINDOW *window, int num_color);

src/gui/gtk/gui-gtk-bar.c

@@ -296,7 +296,7 @@ gui_bar_window_add_missing_bars (struct t_gui_window *window)
 
 int
 gui_bar_window_print_string (struct t_gui_bar_window *bar_window,
-                             char *string, int max_chars)
+                             const char *string, int max_chars)
 {
     (void) bar_window;
     (void) string;

src/gui/gtk/gui-gtk-chat.c

@@ -194,8 +194,8 @@ gui_chat_draw_title (struct t_gui_buffer *buffer, int erase)
  */
 
 char *
-gui_chat_string_next_char (struct t_gui_window *window, unsigned char *string,
-                           int apply_style)
+gui_chat_string_next_char (struct t_gui_window *window,
+                           const unsigned char *string, int apply_style)
 {
     char str_fg[3];
     int weechat_color;
@@ -294,7 +294,7 @@ gui_chat_string_next_char (struct t_gui_window *window, unsigned char *string,
  */
 
 void
-gui_chat_display_word_raw (struct t_gui_window *window, char *string)
+gui_chat_display_word_raw (struct t_gui_window *window, const char *string)
 {
     /*char *prev_char, *next_char, saved_char;*/
     
@@ -310,8 +310,8 @@ gui_chat_display_word_raw (struct t_gui_window *window, char *string)
 void
 gui_chat_display_word (struct t_gui_window *window,
                        struct t_gui_line *line,
-                       char *data,
-                       char *end_offset,
+                       const char *data,
+                       const char *end_offset,
                        int num_lines, int count, int *lines_displayed, int simulate)
 {
     /*char *end_line, saved_char_end, saved_char;

src/gui/gtk/gui-gtk-color.c

@@ -61,7 +61,7 @@ struct t_gui_color gui_weechat_colors[] =
  */
 
 int
-gui_color_search (char *color_name)
+gui_color_search (const char *color_name)
 {
     int i;
     
@@ -80,7 +80,7 @@ gui_color_search (char *color_name)
  */
 
 int
-gui_color_assign (int *color, char *color_name)
+gui_color_assign (int *color, const char *color_name)
 {
     int i;
     

src/gui/gtk/gui-gtk-input.c

@@ -53,7 +53,7 @@ gui_input_set_color (struct t_gui_window *window, int irc_color)
  */
 
 void
-gui_input_draw_prompt (struct t_gui_window *window, char *nick)
+gui_input_draw_prompt (struct t_gui_window *window, const char *nick)
 {
     /*char *pos, saved_char, *modes;
       int char_size, mode_found;*/

src/gui/gui-bar-item.c

@@ -57,7 +57,7 @@ struct t_hook *gui_bar_item_timer = NULL;
  */
 
 struct t_gui_bar_item *
-gui_bar_item_search (char *name)
+gui_bar_item_search (const char *name)
 {
     struct t_gui_bar_item *ptr_item;
     
@@ -79,7 +79,7 @@ gui_bar_item_search (char *name)
  */
 
 struct t_gui_bar_item *
-gui_bar_item_search_with_plugin (struct t_weechat_plugin *plugin, char *name)
+gui_bar_item_search_with_plugin (struct t_weechat_plugin *plugin, const char *name)
 {
     struct t_gui_bar_item *ptr_item;
     
@@ -102,7 +102,7 @@ gui_bar_item_search_with_plugin (struct t_weechat_plugin *plugin, char *name)
  */
 
 struct t_gui_bar_item *
-gui_bar_item_new (struct t_weechat_plugin *plugin, char *name,
+gui_bar_item_new (struct t_weechat_plugin *plugin, const char *name,
                   char *(*build_callback)(void *data,
                                           struct t_gui_bar_item *item,
                                           struct t_gui_window *window,
@@ -148,7 +148,7 @@ gui_bar_item_new (struct t_weechat_plugin *plugin, char *name,
  */
 
 int
-gui_bar_contains_item (struct t_gui_bar *bar, char *name)
+gui_bar_contains_item (struct t_gui_bar *bar, const char *name)
 {
     int i;
     
@@ -170,7 +170,7 @@ gui_bar_contains_item (struct t_gui_bar *bar, char *name)
  */
 
 void
-gui_bar_item_update (char *name)
+gui_bar_item_update (const char *name)
 {
     struct t_gui_bar *ptr_bar;
     
@@ -585,8 +585,8 @@ gui_bar_item_timer_cb (void *data)
  */
 
 int
-gui_bar_item_signal_cb (void *data, char *signal,
-                        char *type_data, void *signal_data)
+gui_bar_item_signal_cb (void *data, const char *signal,
+                        const char *type_data, void *signal_data)
 {
     /* make C compiler happy */
     (void) signal;
@@ -603,7 +603,7 @@ gui_bar_item_signal_cb (void *data, char *signal,
  */
 
 void
-gui_bar_item_hook (char *signal, char *item)
+gui_bar_item_hook (const char *signal, const char *item)
 {
     struct t_gui_bar_item_hook *bar_item_hook;
     
@@ -611,7 +611,8 @@ gui_bar_item_hook (char *signal, char *item)
     if (bar_item_hook)
     {
         bar_item_hook->hook = hook_signal (NULL, signal,
-                                           &gui_bar_item_signal_cb, item);
+                                           &gui_bar_item_signal_cb,
+                                           (void *)item);
         bar_item_hook->next_hook = gui_bar_item_hooks;
         gui_bar_item_hooks = bar_item_hook;
     }

src/gui/gui-bar-item.h

@@ -63,15 +63,15 @@ extern struct t_gui_bar_item *last_gui_bar_item;
 
 /* functions */
 
-extern struct t_gui_bar_item *gui_bar_item_search (char *name);
+extern struct t_gui_bar_item *gui_bar_item_search (const char *name);
 extern struct t_gui_bar_item *gui_bar_item_new (struct t_weechat_plugin *plugin,
-                                                char *name,
+                                                const char *name,
                                                 char *(*build_callback)(void *data,
                                                                         struct t_gui_bar_item *item,
                                                                         struct t_gui_window *window,
                                                                         int max_width, int max_height),
                                                 void *build_callback_data);
-extern void gui_bar_item_update (char *name);
+extern void gui_bar_item_update (const char *name);
 extern void gui_bar_item_free (struct t_gui_bar_item *item);
 extern void gui_bar_item_free_all ();
 extern void gui_bar_item_free_all_plugin (struct t_weechat_plugin *plugin);

src/gui/gui-bar.c

@@ -62,7 +62,7 @@ struct t_gui_bar *last_gui_temp_bar = NULL;
  */
 
 int
-gui_bar_search_option (char *option_name)
+gui_bar_search_option (const char *option_name)
 {
     int i;
     
@@ -85,7 +85,7 @@ gui_bar_search_option (char *option_name)
  */
 
 int
-gui_bar_search_type (char *type)
+gui_bar_search_type (const char *type)
 {
     int i;
     
@@ -105,7 +105,7 @@ gui_bar_search_type (char *type)
  */
 
 int
-gui_bar_search_position (char *position)
+gui_bar_search_position (const char *position)
 {
     int i;
     
@@ -247,7 +247,7 @@ gui_bar_root_get_size (struct t_gui_bar *bar, enum t_gui_bar_position position)
  */
 
 struct t_gui_bar *
-gui_bar_search (char *name)
+gui_bar_search (const char *name)
 {
     struct t_gui_bar *ptr_bar;
     
@@ -270,7 +270,7 @@ gui_bar_search (char *name)
  */
 
 struct t_gui_bar *
-gui_bar_search_with_option_name (char *option_name)
+gui_bar_search_with_option_name (const char *option_name)
 {
     char *bar_name, *pos_option;
     struct t_gui_bar *ptr_bar;
@@ -322,7 +322,7 @@ gui_bar_refresh (struct t_gui_bar *bar)
 
 int
 gui_bar_config_check_type (void *data, struct t_config_option *option,
-                           char *value)
+                           const char *value)
 {
     /* make C compiler happy */
     (void) data;
@@ -414,7 +414,7 @@ gui_bar_config_change_filling (void *data, struct t_config_option *option)
 
 int
 gui_bar_config_check_size (void *data, struct t_config_option *option,
-                           char *value)
+                           const char *value)
 {
     struct t_gui_bar *ptr_bar;
     long number;
@@ -581,7 +581,7 @@ gui_bar_config_change_items (void *data, struct t_config_option *option)
  */
 
 void
-gui_bar_set_name (struct t_gui_bar *bar, char *name)
+gui_bar_set_name (struct t_gui_bar *bar, const char *name)
 {
     int length;
     char *option_name;
@@ -629,7 +629,7 @@ gui_bar_set_name (struct t_gui_bar *bar, char *name)
  */
 
 void
-gui_bar_set_priority (struct t_gui_bar *bar, char *priority)
+gui_bar_set_priority (struct t_gui_bar *bar, const char *priority)
 {
     long number;
     char *error;
@@ -689,7 +689,7 @@ gui_bar_set_priority (struct t_gui_bar *bar, char *priority)
  */
 
 void
-gui_bar_set_position (struct t_gui_bar *bar, char *position)
+gui_bar_set_position (struct t_gui_bar *bar, const char *position)
 {
     int position_value;
     
@@ -708,7 +708,7 @@ gui_bar_set_position (struct t_gui_bar *bar, char *position)
  */
 
 void
-gui_bar_set_size (struct t_gui_bar *bar, char *size)
+gui_bar_set_size (struct t_gui_bar *bar, const char *size)
 {
     long number;
     char *error, value[32];
@@ -753,7 +753,7 @@ gui_bar_set_size (struct t_gui_bar *bar, char *size)
  */
 
 void
-gui_bar_set_size_max (struct t_gui_bar *bar, char *size)
+gui_bar_set_size_max (struct t_gui_bar *bar, const char *size)
 {
     long number;
     char *error, value[32];
@@ -781,7 +781,7 @@ gui_bar_set_size_max (struct t_gui_bar *bar, char *size)
  */
 
 int
-gui_bar_set (struct t_gui_bar *bar, char *property, char *value)
+gui_bar_set (struct t_gui_bar *bar, const char *property, const char *value)
 {
     if (!bar || !property || !value)
         return 0;
@@ -860,7 +860,7 @@ gui_bar_set (struct t_gui_bar *bar, char *property, char *value)
  */
 
 struct t_config_option *
-gui_bar_create_option (char *bar_name, int index_option, char *value)
+gui_bar_create_option (const char *bar_name, int index_option, const char *value)
 {
     struct t_config_option *ptr_option;
     int length;
@@ -991,7 +991,7 @@ gui_bar_create_option (char *bar_name, int index_option, char *value)
 
 void
 gui_bar_create_option_temp (struct t_gui_bar *temp_bar, int index_option,
-                            char *value)
+                            const char *value)
 {
     struct t_config_option *new_option;
     
@@ -1044,7 +1044,7 @@ gui_bar_create_option_temp (struct t_gui_bar *temp_bar, int index_option,
  */
 
 struct t_gui_bar *
-gui_bar_alloc (char *name)
+gui_bar_alloc (const char *name)
 {
     struct t_gui_bar *new_bar;
 
@@ -1081,7 +1081,7 @@ gui_bar_alloc (char *name)
  */
 
 struct t_gui_bar *
-gui_bar_new_with_options (struct t_weechat_plugin *plugin, char *name,
+gui_bar_new_with_options (struct t_weechat_plugin *plugin, const char *name,
                           struct t_config_option *priority,
                           struct t_config_option *type,
                           struct t_config_option *conditions,
@@ -1166,10 +1166,11 @@ gui_bar_new_with_options (struct t_weechat_plugin *plugin, char *name,
  */
 
 struct t_gui_bar *
-gui_bar_new (struct t_weechat_plugin *plugin, char *name,
-             char *priority, char *type, char *conditions, char *position,
-             char *filling, char *size, char *size_max, char *color_fg,
-             char *color_bg, char *separators, char *items)
+gui_bar_new (struct t_weechat_plugin *plugin, const char *name,
+             const char *priority, const char *type, const char *conditions,
+             const char *position, const char *filling, const char *size,
+             const char *size_max, const char *color_fg, const char *color_bg,
+             const char *separators, const char *items)
 {
     struct t_config_option *option_priority, *option_type, *option_conditions;
     struct t_config_option *option_position, *option_filling, *option_size;
@@ -1417,7 +1418,7 @@ gui_bar_use_temp_bars ()
  */
 
 void
-gui_bar_update (char *name)
+gui_bar_update (const char *name)
 {
     struct t_gui_bar *ptr_bar;
     

src/gui/gui-bar.h

@@ -106,28 +106,31 @@ extern struct t_gui_bar *last_gui_temp_bar;
 
 /* functions */
 
-extern int gui_bar_search_option (char *option_name);
-extern int gui_bar_search_type (char *type);
-extern int gui_bar_search_position (char *position);
+extern int gui_bar_search_option (const char *option_name);
+extern int gui_bar_search_type (const char *type);
+extern int gui_bar_search_position (const char *position);
 extern int gui_bar_check_conditions_for_window (struct t_gui_bar *bar,
                                                 struct t_gui_window *window);
 extern int gui_bar_root_get_size (struct t_gui_bar *bar,
                                   enum t_gui_bar_position position);
-extern struct t_gui_bar *gui_bar_search (char *name);
+extern struct t_gui_bar *gui_bar_search (const char *name);
 extern void gui_bar_set_current_size (struct t_gui_bar *bar, int current_size);
-extern int gui_bar_set (struct t_gui_bar *bar, char *property, char *value);
+extern int gui_bar_set (struct t_gui_bar *bar, const char *property, const char *value);
 extern void gui_bar_create_option_temp (struct t_gui_bar *temp_bar,
-                                        int index_option, char *value);
-extern struct t_gui_bar *gui_bar_alloc (char *name);
+                                        int index_option, const char *value);
+extern struct t_gui_bar *gui_bar_alloc (const char *name);
 extern struct t_gui_bar *gui_bar_new (struct t_weechat_plugin *plugin,
-                                      char *name, char *priority, char *type,
-                                      char *conditions, char *position,
-                                      char *filling, char *size,
-                                      char *size_max, char *color_fg,
-                                      char *color_bg, char *separator,
-                                      char *items);
+                                      const char *name, const char *priority,
+                                      const char *type, const char *conditions,
+                                      const char *position,
+                                      const char *filling, const char *size,
+                                      const char *size_max,
+                                      const char *color_fg,
+                                      const char *color_bg,
+                                      const char *separator,
+                                      const char *items);
 extern void gui_bar_use_temp_bars ();
-extern void gui_bar_update (char *name);
+extern void gui_bar_update (const char *name);
 extern void gui_bar_free (struct t_gui_bar *bar);
 extern void gui_bar_free_all ();
 extern void gui_bar_free_all_plugin (struct t_weechat_plugin *plugin);

src/gui/gui-buffer.c

@@ -63,10 +63,11 @@ struct t_gui_buffer *gui_previous_buffer = NULL;   /* previous buffer       */
  */
 
 struct t_gui_buffer *
-gui_buffer_new (struct t_weechat_plugin *plugin, char *category, char *name,
+gui_buffer_new (struct t_weechat_plugin *plugin,
+                const char *category, const char *name,
                 int (*input_callback)(void *data,
                                       struct t_gui_buffer *buffer,
-                                      char *input_data),
+                                      const char *input_data),
                 void *input_callback_data,
                 int (*close_callback)(void *data,
                                       struct t_gui_buffer *buffer),
@@ -234,7 +235,7 @@ gui_buffer_valid (struct t_gui_buffer *buffer)
  */
 
 char *
-gui_buffer_get_string (struct t_gui_buffer *buffer, char *property)
+gui_buffer_get_string (struct t_gui_buffer *buffer, const char *property)
 {
     static char value[32];
 
@@ -262,7 +263,7 @@ gui_buffer_get_string (struct t_gui_buffer *buffer, char *property)
  */
 
 void *
-gui_buffer_get_pointer (struct t_gui_buffer *buffer, char *property)
+gui_buffer_get_pointer (struct t_gui_buffer *buffer, const char *property)
 {
     if (string_strcasecmp (property, "plugin") == 0)
         return buffer->plugin;
@@ -319,7 +320,7 @@ gui_buffer_ask_input_refresh (struct t_gui_buffer *buffer, int refresh)
  */
 
 void
-gui_buffer_set_category (struct t_gui_buffer *buffer, char *category)
+gui_buffer_set_category (struct t_gui_buffer *buffer, const char *category)
 {
     if (category && category[0])
     {
@@ -338,7 +339,7 @@ gui_buffer_set_category (struct t_gui_buffer *buffer, char *category)
  */
 
 void
-gui_buffer_set_name (struct t_gui_buffer *buffer, char *name)
+gui_buffer_set_name (struct t_gui_buffer *buffer, const char *name)
 {
     if (name && name[0])
     {
@@ -374,7 +375,7 @@ gui_buffer_set_type (struct t_gui_buffer *buffer, enum t_gui_buffer_type type)
  */
 
 void
-gui_buffer_set_title (struct t_gui_buffer *buffer, char *new_title)
+gui_buffer_set_title (struct t_gui_buffer *buffer, const char *new_title)
 {
     if (buffer->title)
         free (buffer->title);
@@ -423,7 +424,7 @@ gui_buffer_set_nicklist_display_groups (struct t_gui_buffer *buffer,
  */
 
 void
-gui_buffer_set_nick (struct t_gui_buffer *buffer, char *new_nick)
+gui_buffer_set_nick (struct t_gui_buffer *buffer, const char *new_nick)
 {
     if (buffer->input_nick)
         free (buffer->input_nick);
@@ -437,7 +438,7 @@ gui_buffer_set_nick (struct t_gui_buffer *buffer, char *new_nick)
 
 void
 gui_buffer_set_highlight_words (struct t_gui_buffer *buffer,
-                                char *new_highlight_words)
+                                const char *new_highlight_words)
 {
     if (buffer->highlight_words)
         free (buffer->highlight_words);
@@ -451,7 +452,7 @@ gui_buffer_set_highlight_words (struct t_gui_buffer *buffer,
 
 void
 gui_buffer_set_highlight_tags (struct t_gui_buffer *buffer,
-                               char *new_highlight_tags)
+                               const char *new_highlight_tags)
 {
     if (buffer->highlight_tags_array)
         string_free_exploded (buffer->highlight_tags_array);
@@ -474,7 +475,8 @@ gui_buffer_set_highlight_tags (struct t_gui_buffer *buffer,
  */
 
 void
-gui_buffer_set (struct t_gui_buffer *buffer, char *property, char *value)
+gui_buffer_set (struct t_gui_buffer *buffer, const char *property,
+                const char *value)
 {
     long number;
     char *error;
@@ -598,7 +600,7 @@ gui_buffer_search_main ()
  */
 
 struct t_gui_buffer *
-gui_buffer_search_by_category_name (char *category, char *name)
+gui_buffer_search_by_category_name (const char *category, const char *name)
 {
     struct t_gui_buffer *ptr_buffer;
     
@@ -709,10 +711,11 @@ gui_buffer_is_scrolled (struct t_gui_buffer *buffer)
  */
 
 int
-gui_buffer_match_category_name (struct t_gui_buffer *buffer, char *mask,
+gui_buffer_match_category_name (struct t_gui_buffer *buffer, const char *mask,
                                 int case_sensitive)
 {
-    char *pos_point, *category, *pos_name;
+    char *pos_point, *category;
+    const char *pos_name;
     int rc;
     
     if (!mask || !mask[0])

src/gui/gui-buffer.h

@@ -104,7 +104,7 @@ struct t_gui_buffer
     int input;                         /* = 1 if input is enabled           */
     int (*input_callback)(void *data,  /* called when user send data        */
                           struct t_gui_buffer *buffer,
-                          char *input_data);
+                          const char *input_data);
     void *input_callback_data;         /* data for callback                 */
                                        /* to this buffer                    */
     char *input_nick;                  /* self nick                         */
@@ -156,19 +156,19 @@ extern struct t_gui_buffer *gui_previous_buffer;
 /* buffer functions */
 
 extern struct t_gui_buffer *gui_buffer_new (struct t_weechat_plugin *plugin,
-                                            char *category, char *name,
+                                            const char *category, const char *name,
                                             int (*input_callback)(void *data,
                                                                   struct t_gui_buffer *buffer,
-                                                                  char *input_data),
+                                                                  const char *input_data),
                                             void *input_callback_data,
                                             int (*close_callback)(void *data,
                                                                   struct t_gui_buffer *buffer),
                                             void *close_callback_data);
 extern int gui_buffer_valid (struct t_gui_buffer *buffer);
 extern char *gui_buffer_get_string (struct t_gui_buffer *buffer,
-                                    char *property);
+                                    const char *property);
 extern void *gui_buffer_get_pointer (struct t_gui_buffer *buffer,
-                                     char *property);
+                                     const char *property);
 extern void gui_buffer_ask_title_refresh (struct t_gui_buffer *buffer,
                                           int refresh);
 extern void gui_buffer_ask_chat_refresh (struct t_gui_buffer *buffer,
@@ -178,25 +178,26 @@ extern void gui_buffer_ask_nicklist_refresh (struct t_gui_buffer *buffer,
 extern void gui_buffer_ask_input_refresh (struct t_gui_buffer *buffer,
                                           int refresh);
 extern void gui_buffer_set_category (struct t_gui_buffer *buffer,
-                                     char *category);
-extern void gui_buffer_set_name (struct t_gui_buffer *buffer, char *name);
+                                     const char *category);
+extern void gui_buffer_set_name (struct t_gui_buffer *buffer, const char *name);
 extern void gui_buffer_set_title (struct t_gui_buffer *buffer,
-                                  char *new_title);
+                                  const char *new_title);
 extern void gui_buffer_set_nicklist (struct t_gui_buffer *buffer,
                                      int nicklist);
 extern void gui_buffer_set_nicklist_case_sensitive (struct t_gui_buffer * buffer,
                                                     int case_sensitive);
-extern void gui_buffer_set_nick (struct t_gui_buffer *buffer, char *new_nick);
-extern void gui_buffer_set (struct t_gui_buffer *buffer, char *property,
-                            char *value);
+extern void gui_buffer_set_nick (struct t_gui_buffer *buffer, const char *new_nick);
+extern void gui_buffer_set (struct t_gui_buffer *buffer, const char *property,
+                            const char *value);
 extern struct t_gui_buffer *gui_buffer_search_main ();
-extern struct t_gui_buffer *gui_buffer_search_by_category_name (char *category,
-                                                                char *name);
+extern struct t_gui_buffer *gui_buffer_search_by_category_name (const char *category,
+                                                                const char *name);
 extern struct t_gui_buffer *gui_buffer_search_by_number (int number);
 extern struct t_gui_window *gui_buffer_find_window (struct t_gui_buffer *buffer);
 extern int gui_buffer_is_scrolled (struct t_gui_buffer *buffer);
 extern int gui_buffer_match_category_name (struct t_gui_buffer *buffer,
-                                           char *mask, int case_sensitive);
+                                           const char *mask,
+                                           int case_sensitive);
 extern void gui_buffer_clear (struct t_gui_buffer *buffer);
 extern void gui_buffer_clear_all ();
 extern void gui_buffer_close (struct t_gui_buffer *buffer,

src/gui/gui-chat.c

@@ -119,7 +119,7 @@ gui_chat_prefix_build ()
  */
 
 int
-gui_chat_strlen_screen (char *string)
+gui_chat_strlen_screen (const char *string)
 {
     int length;
     
@@ -142,9 +142,9 @@ gui_chat_strlen_screen (char *string)
  */
 
 int
-gui_chat_string_real_pos (char *string, int pos)
+gui_chat_string_real_pos (const char *string, int pos)
 {
-    char *ptr_string, *real_pos;
+    const char *real_pos, *ptr_string;
     
     if (pos <= 0)
         return 0;
@@ -172,11 +172,12 @@ gui_chat_string_real_pos (char *string, int pos)
 
 void
 gui_chat_get_word_info (struct t_gui_window *window,
-                        char *data,
+                        const char *data,
                         int *word_start_offset, int *word_end_offset,
                         int *word_length_with_spaces, int *word_length)
 {
-    char *start_data, *next_char, *next_char2;
+    const char *start_data;
+    char *next_char, *next_char2;
     int leading_spaces, char_size;
     
     *word_start_offset = 0;
@@ -465,7 +466,8 @@ gui_chat_get_next_line_displayed (struct t_gui_line *line)
  */
 
 int
-gui_chat_line_search (struct t_gui_line *line, char *text, int case_sensitive)
+gui_chat_line_search (struct t_gui_line *line, const char *text,
+                      int case_sensitive)
 {
     char *message;
     int rc;
@@ -670,8 +672,8 @@ gui_chat_line_free_all (struct t_gui_buffer *buffer)
 
 void
 gui_chat_line_add (struct t_gui_buffer *buffer, time_t date,
-                   time_t date_printed, char *tags,
-                   char *prefix, char *message)
+                   time_t date_printed, const char *tags,
+                   const char *prefix, const char *message)
 {
     struct t_gui_line *new_line;
     
@@ -745,7 +747,7 @@ gui_chat_line_add (struct t_gui_buffer *buffer, time_t date,
  */
 
 void
-gui_chat_line_add_y (struct t_gui_buffer *buffer, int y, char *message)
+gui_chat_line_add_y (struct t_gui_buffer *buffer, int y, const char *message)
 {
     struct t_gui_line *ptr_line, *new_line;
     
@@ -839,7 +841,7 @@ gui_chat_line_add_y (struct t_gui_buffer *buffer, int y, char *message)
 
 void
 gui_chat_printf_date_tags (struct t_gui_buffer *buffer, time_t date,
-                           char *tags, char *message, ...)
+                           const char *tags, const char *message, ...)
 {
     char *buf;
     va_list argptr;
@@ -958,7 +960,7 @@ gui_chat_printf_date_tags (struct t_gui_buffer *buffer, time_t date,
  */
 
 void
-gui_chat_printf_y (struct t_gui_buffer *buffer, int y, char *message, ...)
+gui_chat_printf_y (struct t_gui_buffer *buffer, int y, const char *message, ...)
 {
     char *buf;
     va_list argptr;

src/gui/gui-chat.h

@@ -50,10 +50,10 @@ extern int gui_chat_time_length;
 
 extern void gui_chat_prefix_build_empty ();
 extern void gui_chat_prefix_build ();
-extern int gui_chat_strlen_screen (char *string);
-extern int gui_chat_string_real_pos (char *string, int pos);
+extern int gui_chat_strlen_screen (const char *string);
+extern int gui_chat_string_real_pos (const char *string, int pos);
 extern void gui_chat_get_word_info (struct t_gui_window *window,
-                                    char *data, int *word_start_offset,
+                                    const char *data, int *word_start_offset,
                                     int *word_end_offset,
                                     int *word_length_with_spaces,
                                     int *word_length);
@@ -66,7 +66,7 @@ extern struct t_gui_line *gui_chat_get_first_line_displayed (struct t_gui_buffer
 extern struct t_gui_line *gui_chat_get_last_line_displayed (struct t_gui_buffer *buffer);
 extern struct t_gui_line *gui_chat_get_prev_line_displayed (struct t_gui_line *line);
 extern struct t_gui_line *gui_chat_get_next_line_displayed (struct t_gui_line *line);
-extern int gui_chat_line_search (struct t_gui_line *line, char *text,
+extern int gui_chat_line_search (struct t_gui_line *line, const char *text,
                                  int case_sensitive);
 extern int gui_chat_line_match_regex (struct t_gui_line *line,
                                       regex_t *regex_prefix,
@@ -77,16 +77,16 @@ extern void gui_chat_line_free (struct t_gui_buffer *buffer,
                                 struct t_gui_line *line);
 extern void gui_chat_line_free_all (struct t_gui_buffer *buffer);
 extern void gui_chat_printf_date_tags (struct t_gui_buffer *buffer,
-                                       time_t date, char *tags,
-                                       char *message, ...);
+                                       time_t date, const char *tags,
+                                       const char *message, ...);
 extern void gui_chat_printf_y (struct t_gui_buffer *buffer, int y,
-                               char *message, ...);
+                               const char *message, ...);
 
 /* chat functions (GUI dependent) */
 
 extern void gui_chat_draw_title (struct t_gui_buffer *buffer, int erase);
 extern char *gui_chat_string_next_char (struct t_gui_window *window,
-                                        unsigned char *string,
+                                        const unsigned char *string,
                                         int apply_style);
 extern void gui_chat_draw (struct t_gui_buffer *buffer, int erase);
 extern void gui_chat_draw_line (struct t_gui_buffer *buffer,

src/gui/gui-color.c

@@ -48,7 +48,7 @@ struct t_gui_color *gui_color[GUI_COLOR_NUM_COLORS]; /* GUI colors          */
  */
 
 int
-gui_color_search_config_int (char *color_name)
+gui_color_search_config_int (const char *color_name)
 {
     struct t_config_section *ptr_section;
     struct t_config_option *ptr_option;
@@ -105,7 +105,7 @@ gui_color_search_config_str (int color_number)
  */
 
 unsigned char *
-gui_color_decode (unsigned char *string)
+gui_color_decode (const unsigned char *string)
 {
     unsigned char *out;
     int out_length, out_pos, length;

src/gui/gui-color.h

@@ -137,15 +137,15 @@ extern struct t_gui_color *gui_color[];
 
 /* color functions */
 
-extern int gui_color_search_config_int (char *color_name);
+extern int gui_color_search_config_int (const char *color_name);
 extern char *gui_color_search_config_str (int color_number);
-extern unsigned char *gui_color_decode (unsigned char *string);
+extern unsigned char *gui_color_decode (const unsigned char *string);
 extern void gui_color_free (struct t_gui_color *color);
 
 /* color functions (GUI dependent) */
 
-extern int gui_color_search (char *color_name);
-extern int gui_color_assign (int *color, char *color_name);
+extern int gui_color_search (const char *color_name);
+extern int gui_color_assign (int *color, char const *color_name);
 extern int gui_color_get_number ();
 extern char *gui_color_get_name (int num_color);
 extern void gui_color_init_pairs ();

src/gui/gui-completion.c

@@ -159,7 +159,7 @@ gui_completion_search_command (struct t_gui_completion *completion)
  */
 
 int
-gui_completion_is_only_alphanum (char *string)
+gui_completion_is_only_alphanum (const char *string)
 {
     while (string[0])
     {
@@ -176,7 +176,7 @@ gui_completion_is_only_alphanum (char *string)
  */
 
 char *
-gui_completion_strdup_alphanum (char *string)
+gui_completion_strdup_alphanum (const char *string)
 {
     char *result, *pos;
     
@@ -202,7 +202,7 @@ gui_completion_strdup_alphanum (char *string)
  */
 
 int
-gui_completion_nickncmp (char *base_word, char *nick, int max)
+gui_completion_nickncmp (const char *base_word, const char *nick, int max)
 {
     char *base_word2, *nick2;
     int return_cmp;
@@ -229,8 +229,8 @@ gui_completion_nickncmp (char *base_word, char *nick, int max)
  */
 
 void
-gui_completion_list_add (struct t_gui_completion *completion, char *word,
-                         int nick_completion, char *where)
+gui_completion_list_add (struct t_gui_completion *completion, const char *word,
+                         int nick_completion, const char *where)
 {
     if (!word || !word[0])
         return;
@@ -805,7 +805,7 @@ gui_completion_list_add_weechat_cmd (struct t_gui_completion *completion)
 
 void
 gui_completion_custom (struct t_gui_completion *completion,
-                       char *custom_completion,
+                       const char *custom_completion,
                        struct t_weechat_plugin *plugin)
 {
     hook_completion_exec (plugin,
@@ -820,10 +820,11 @@ gui_completion_custom (struct t_gui_completion *completion,
 
 void
 gui_completion_build_list_template (struct t_gui_completion *completion,
-                                    char *template,
+                                    const char *template,
                                     struct t_weechat_plugin *plugin)
 {
-    char *word, *pos, *pos_end, *custom_completion;
+    char *word, *custom_completion;
+    const char *pos, *pos_end;
     int word_offset;
     
     word = strdup (template);
@@ -999,7 +1000,7 @@ gui_completion_build_list (struct t_gui_completion *completion)
  */
 
 void
-gui_completion_find_context (struct t_gui_completion *completion, char *data,
+gui_completion_find_context (struct t_gui_completion *completion, const char *data,
                              int size, int pos)
 {
     int i, command, command_arg, pos_start, pos_end;
@@ -1406,7 +1407,7 @@ gui_completion_auto (struct t_gui_completion *completion)
 
 void
 gui_completion_search (struct t_gui_completion *completion, int direction,
-                       char *data, int size, int pos)
+                       const char *data, int size, int pos)
 {
     char *old_word_found;
     

src/gui/gui-completion.h

@@ -57,7 +57,7 @@ extern void gui_completion_init (struct t_gui_completion *completion,
                                  struct t_gui_buffer *buffer);
 extern void gui_completion_free (struct t_gui_completion *completion);
 extern void gui_completion_search (struct t_gui_completion *completion,
-                                   int direction, char *data, int size,
+                                   int direction, const char *data, int size,
                                    int pos);
 extern void gui_completion_print_log (struct t_gui_completion *completion);
 

src/gui/gui-filter.c

@@ -175,7 +175,7 @@ gui_filter_disable ()
  */
 
 struct t_gui_filter *
-gui_filter_search (char *buffer, char *tags, char *regex)
+gui_filter_search (const char *buffer, const char *tags, const char *regex)
 {
     struct t_gui_filter *ptr_filter;
     
@@ -220,11 +220,12 @@ gui_filter_search_by_number (int number)
  */
 
 struct t_gui_filter *
-gui_filter_new (char *buffer, char *tags, char *regex)
+gui_filter_new (const char *buffer, const char *tags, const char *regex)
 {
     struct t_gui_filter *new_filter;
     regex_t *regex1, *regex2;
-    char *pos_tab, *regex_prefix, *pos_regex_message;
+    char *pos_tab, *regex_prefix;
+    const char *pos_regex_message;
 
     if (!buffer || !tags || !regex)
         return NULL;

src/gui/gui-filter.h

@@ -51,11 +51,13 @@ extern int gui_filter_check_line (struct t_gui_buffer *buffer,
                                   struct t_gui_line *line);
 extern void gui_filter_enable ();
 extern void gui_filter_disable ();
-extern struct t_gui_filter *gui_filter_search (char *buffer, char *tags,
-                                               char *regex);
+extern struct t_gui_filter *gui_filter_search (const char *buffer,
+                                               const char *tags,
+                                               const char *regex);
 extern struct t_gui_filter *gui_filter_search_by_number (int number);
-extern struct t_gui_filter *gui_filter_new (char *buffer, char *tags,
-                                            char *regex);
+extern struct t_gui_filter *gui_filter_new (const char *buffer,
+                                            const char *tags,
+                                            const char *regex);
 extern void gui_filter_free (struct t_gui_filter *filter);
 extern void gui_filter_free_all ();
 extern void gui_filter_print_log ();

src/gui/gui-history.c

@@ -44,7 +44,7 @@ int num_history_global = 0;
  */
 
 void
-gui_history_buffer_add (struct t_gui_buffer *buffer, char *string)
+gui_history_buffer_add (struct t_gui_buffer *buffer, const char *string)
 {
     struct t_gui_history *new_history, *ptr_history;
     
@@ -94,7 +94,7 @@ gui_history_buffer_add (struct t_gui_buffer *buffer, char *string)
  */
 
 void
-gui_history_global_add (char *string)
+gui_history_global_add (const char *string)
 {
     struct t_gui_history *new_history, *ptr_history;
 

src/gui/gui-history.h

@@ -34,8 +34,8 @@ extern struct t_gui_history *history_global_last;
 extern struct t_gui_history *history_global_ptr;
 
 /* history functions (gui-history.c) */
-extern void gui_history_buffer_add (struct t_gui_buffer *buffer, char *string);
-extern void gui_history_global_add (char *string);
+extern void gui_history_buffer_add (struct t_gui_buffer *buffer, const char *string);
+extern void gui_history_global_add (const char *string);
 extern void gui_history_global_free ();
 extern void gui_history_buffer_free (struct t_gui_buffer *buffer);
 

src/gui/gui-infobar.c

@@ -45,7 +45,7 @@ struct t_hook *gui_infobar_highlight_timer = NULL; /* highlight timer       */
  */
 
 void
-gui_infobar_printf (int delay, int color, char *message, ...)
+gui_infobar_printf (int delay, int color, const char *message, ...)
 {
     static char buf[1024];
     va_list argptr;

src/gui/gui-infobar.h

@@ -38,7 +38,8 @@ extern struct t_hook *gui_infobar_highlight_timer;
 
 /* infobar functions */
 
-extern void gui_infobar_printf (int delay, int color, char *message, ...);
+extern void gui_infobar_printf (int delay, int color,
+                                const char *message, ...);
 extern void gui_infobar_remove ();
 extern void gui_infobar_remove_all ();
 

src/gui/gui-input.c

@@ -93,7 +93,7 @@ gui_input_init_color_mask (struct t_gui_buffer *buffer)
  */
 
 void
-gui_input_move (struct t_gui_buffer *buffer, char *target, char *source,
+gui_input_move (struct t_gui_buffer *buffer, char *target, const char *source,
                 int size)
 {
     int pos_source, pos_target;
@@ -114,7 +114,8 @@ gui_input_move (struct t_gui_buffer *buffer, char *target, char *source,
  */
 
 int
-gui_input_insert_string (struct t_gui_buffer *buffer, char *string, int pos)
+gui_input_insert_string (struct t_gui_buffer *buffer, const char *string,
+                         int pos)
 {
     int i, pos_start, size, length;
     char *ptr_start;
@@ -255,7 +256,7 @@ gui_input_get_prompt_length (struct t_gui_buffer *buffer)
  */
 
 void
-gui_input_clipboard_copy (char *buffer, int size)
+gui_input_clipboard_copy (const char *buffer, int size)
 {
     if (size <= 0)
         return;
@@ -710,7 +711,7 @@ gui_input_delete_beginning_of_line ()
  */
 
 void
-gui_input_delete_end_of_line (char *args)
+gui_input_delete_end_of_line (const char *args)
 {
     char *start;
     int size_deleted, length_deleted, pos_start;
@@ -1344,7 +1345,7 @@ gui_input_set_unread_current_buffer ()
  */
 
 void
-gui_input_insert (char *args)
+gui_input_insert (const char *args)
 {
     char *args2;
     

src/gui/gui-input.h

@@ -31,9 +31,9 @@ extern char *gui_input_clipboard;
 extern void gui_input_optimize_size (struct t_gui_buffer *buffer);
 extern void gui_input_init_color_mask (struct t_gui_buffer *buffer);
 extern void gui_input_move (struct t_gui_buffer *buffer, char *target,
-                            char *source, int size);
-extern int gui_input_insert_string (struct t_gui_buffer *buffer, char *string,
-                                    int pos);
+                            const char *source, int size);
+extern int gui_input_insert_string (struct t_gui_buffer *buffer,
+                                    const char *string, int pos);
 extern int gui_input_get_prompt_length (struct t_gui_buffer *buffer);
 extern void gui_input_return ();
 extern void gui_input_clipboard_paste ();

src/gui/gui-keyboard.c

@@ -132,7 +132,7 @@ gui_keyboard_grab_end ()
  */
 
 char *
-gui_keyboard_get_internal_code (char *key)
+gui_keyboard_get_internal_code (const char *key)
 {
     char *result;
     
@@ -175,7 +175,7 @@ gui_keyboard_get_internal_code (char *key)
  */
 
 char *
-gui_keyboard_get_expanded_name (char *key)
+gui_keyboard_get_expanded_name (const char *key)
 {
     char *result;
     
@@ -279,7 +279,8 @@ gui_keyboard_insert_sorted (struct t_gui_key **keys, struct t_gui_key **last_key
  */
 
 struct t_gui_key *
-gui_keyboard_new (struct t_gui_buffer *buffer, char *key, char *command)
+gui_keyboard_new (struct t_gui_buffer *buffer, const char *key,
+                  const char *command)
 {
     struct t_gui_key *new_key;
     char *internal_code;
@@ -308,7 +309,7 @@ gui_keyboard_new (struct t_gui_buffer *buffer, char *key, char *command)
  */
 
 struct t_gui_key *
-gui_keyboard_search (struct t_gui_buffer *buffer, char *key)
+gui_keyboard_search (struct t_gui_buffer *buffer, const char *key)
 {
     struct t_gui_key *ptr_key;
 
@@ -328,7 +329,7 @@ gui_keyboard_search (struct t_gui_buffer *buffer, char *key)
  */
 
 int
-gui_keyboard_cmp (char *key, char *search)
+gui_keyboard_cmp (const char *key, const char *search)
 {
     while (search[0])
     {
@@ -346,7 +347,7 @@ gui_keyboard_cmp (char *key, char *search)
  */
 
 struct t_gui_key *
-gui_keyboard_search_part (struct t_gui_buffer *buffer, char *key)
+gui_keyboard_search_part (struct t_gui_buffer *buffer, const char *key)
 {
     struct t_gui_key *ptr_key;
     
@@ -368,7 +369,7 @@ gui_keyboard_search_part (struct t_gui_buffer *buffer, char *key)
  */
 
 struct t_gui_key *
-gui_keyboard_bind (struct t_gui_buffer *buffer, char *key, char *command)
+gui_keyboard_bind (struct t_gui_buffer *buffer, const char *key, const char *command)
 {
     struct t_gui_key *new_key;
     
@@ -395,7 +396,7 @@ gui_keyboard_bind (struct t_gui_buffer *buffer, char *key, char *command)
  */
 
 int
-gui_keyboard_unbind (struct t_gui_buffer *buffer, char *key)
+gui_keyboard_unbind (struct t_gui_buffer *buffer, const char *key)
 {
     struct t_gui_key *ptr_key;
     char *internal_code;
@@ -424,7 +425,7 @@ gui_keyboard_unbind (struct t_gui_buffer *buffer, char *key)
  */
 
 int
-gui_keyboard_pressed (char *key_str)
+gui_keyboard_pressed (const char *key_str)
 {
     int first_key;
     struct t_gui_key *ptr_key;

src/gui/gui-keyboard.h

@@ -49,14 +49,15 @@ extern time_t gui_keyboard_last_activity_time;
 extern void gui_keyboard_init ();
 extern void gui_keyboard_grab_init ();
 extern void gui_keyboard_grab_end ();
-extern char *gui_keyboard_get_internal_code (char *key);
-extern char *gui_keyboard_get_expanded_name (char *key);
+extern char *gui_keyboard_get_internal_code (const char *key);
+extern char *gui_keyboard_get_expanded_name (const char *key);
 extern struct t_gui_key *gui_keyboard_search (struct t_gui_buffer *buffer,
-                                              char *key);
+                                              const char *key);
 extern struct t_gui_key *gui_keyboard_bind (struct t_gui_buffer *buffer,
-                                            char *key, char *command);
-extern int gui_keyboard_unbind (struct t_gui_buffer *buffer, char *key);
-extern int gui_keyboard_pressed (char *key_str);
+                                            const char *key,
+                                            const char *command);
+extern int gui_keyboard_unbind (struct t_gui_buffer *buffer, const char *key);
+extern int gui_keyboard_pressed (const char *key_str);
 extern void gui_keyboard_free (struct t_gui_key **keys,
                                struct t_gui_key **last_key,
                                struct t_gui_key *key);

src/gui/gui-nicklist.c

@@ -113,7 +113,7 @@ gui_nicklist_insert_group_sorted (struct t_gui_nick_group **groups,
 struct t_gui_nick_group *
 gui_nicklist_search_group (struct t_gui_buffer *buffer,
                            struct t_gui_nick_group *from_group,
-                           char *name)
+                           const char *name)
 {
     struct t_gui_nick_group *ptr_group;
 
@@ -148,8 +148,8 @@ gui_nicklist_search_group (struct t_gui_buffer *buffer,
 
 struct t_gui_nick_group *
 gui_nicklist_add_group (struct t_gui_buffer *buffer,
-                        struct t_gui_nick_group *parent_group, char *name,
-                        char *color, int visible)
+                        struct t_gui_nick_group *parent_group, const char *name,
+                        const char *color, int visible)
 {
     struct t_gui_nick_group *new_group;
     int num_color;
@@ -273,7 +273,7 @@ gui_nicklist_insert_nick_sorted (struct t_gui_nick_group *group,
 struct t_gui_nick *
 gui_nicklist_search_nick (struct t_gui_buffer *buffer,
                           struct t_gui_nick_group *from_group,
-                          char *name)
+                          const char *name)
 {
     struct t_gui_nick *ptr_nick;
     
@@ -294,8 +294,8 @@ gui_nicklist_search_nick (struct t_gui_buffer *buffer,
 
 struct t_gui_nick *
 gui_nicklist_add_nick (struct t_gui_buffer *buffer,
-                       struct t_gui_nick_group *group, char *name,
-                       char *color, char prefix, char *prefix_color,
+                       struct t_gui_nick_group *group, const char *name,
+                       const char *color, char prefix, const char *prefix_color,
                        int visible)
 {
     struct t_gui_nick *new_nick;
@@ -529,9 +529,9 @@ gui_nicklist_get_next_item (struct t_gui_buffer *buffer,
  */
 
 char *
-gui_nicklist_get_group_start (char *name)
+gui_nicklist_get_group_start (const char *name)
 {
-    char *ptr_name;
+    const char *ptr_name;
     
     ptr_name = name;
     while (isdigit (ptr_name[0]))
@@ -541,9 +541,9 @@ gui_nicklist_get_group_start (char *name)
         ptr_name++;
     }
     if ((ptr_name[0] == '|') && (ptr_name != name))
-        return ptr_name + 1;
+        return (char *)ptr_name + 1;
     else
-        return name;
+        return (char *)name;
 }
 
 /*

src/gui/gui-nicklist.h

@@ -53,18 +53,18 @@ struct t_gui_nick
 
 extern struct t_gui_nick_group *gui_nicklist_search_group (struct t_gui_buffer *buffer,
                                                            struct t_gui_nick_group *from_group,
-                                                           char *name);
+                                                           const char *name);
 extern struct t_gui_nick_group *gui_nicklist_add_group (struct t_gui_buffer *buffer,
                                                         struct t_gui_nick_group *parent_group,
-                                                        char *name, char *color,
+                                                        const char *name, const char *color,
                                                         int visible);
 extern struct t_gui_nick *gui_nicklist_search_nick (struct t_gui_buffer *buffer,
                                                     struct t_gui_nick_group *from_group,
-                                                    char *name);
+                                                    const char *name);
 extern struct t_gui_nick *gui_nicklist_add_nick (struct t_gui_buffer *buffer,
                                                  struct t_gui_nick_group *group,
-                                                 char *name, char *color,
-                                                 char prefix, char *prefix_color,
+                                                 const char *name, const char *color,
+                                                 char prefix, const char *prefix_color,
                                                  int visible);
 extern void gui_nicklist_remove_group (struct t_gui_buffer *buffer,
                                        struct t_gui_nick_group *group);
@@ -74,7 +74,7 @@ extern void gui_nicklist_remove_all (struct t_gui_buffer *buffer);
 extern void gui_nicklist_get_next_item (struct t_gui_buffer *buffer,
                                         struct t_gui_nick_group **group,
                                         struct t_gui_nick **nick);
-extern char *gui_nicklist_get_group_start (char *name);
+extern char *gui_nicklist_get_group_start (const char *name);
 extern int gui_nicklist_get_max_length (struct t_gui_buffer *buffer,
                                         struct t_gui_nick_group *group);
 extern void gui_nicklist_compute_visible_count (struct t_gui_buffer *buffer,

src/gui/gui-window.c

@@ -469,7 +469,7 @@ gui_window_scroll (struct t_gui_window *window, char *scroll)
     int direction, stop, count_msg;
     char time_letter, saved_char;
     time_t old_date, diff_date;
-    char *error;
+    char *pos, *error;
     long number;
     struct t_gui_line *ptr_line;
     struct tm *date_tmp, line_date, old_line_date;
@@ -493,7 +493,7 @@ gui_window_scroll (struct t_gui_window *window, char *scroll)
         }
         
         /* search number and letter */
-        char *pos = scroll;
+        pos = scroll;
         while (pos && pos[0] && isdigit (pos[0]))
         {
             pos++;

src/plugins/alias/alias.c

@@ -51,7 +51,7 @@ struct t_alias *last_alias = NULL;
  */
 
 struct t_alias *
-alias_search (char *alias_name)
+alias_search (const char *alias_name)
 {
     struct t_alias *ptr_alias;
     
@@ -70,7 +70,7 @@ alias_search (char *alias_name)
  */
 
 void
-alias_add_word (char **alias, int *length, char *word)
+alias_add_word (char **alias, int *length, const char *word)
 {
     int length_word;
 
@@ -99,9 +99,10 @@ alias_add_word (char **alias, int *length, char *word)
  */
 
 char *
-alias_replace_args (char *alias_args, char *user_args)
+alias_replace_args (const char *alias_args, const char *user_args)
 {
-    char **argv, *start, *pos, *res;
+    char **argv, *res, *word;
+    const char *start, *pos;
     int argc, length_res, args_count;
     
     argv = weechat_string_explode (user_args, " ", 0, 0, &argc);
@@ -115,10 +116,13 @@ alias_replace_args (char *alias_args, char *user_args)
     {
         if ((pos[0] == '\\') && (pos[1] == '$'))
         {
-            pos[0] = '\0';
-            alias_add_word (&res, &length_res, start);
+            word = weechat_strndup (start, pos - start);
+            if (word)
+            {
+                alias_add_word (&res, &length_res, word);
+                free (word);
+            }
             alias_add_word (&res, &length_res, "$");
-            pos[0] = '\\';
             start = pos + 2;
             pos = start;
         }
@@ -129,10 +133,13 @@ alias_replace_args (char *alias_args, char *user_args)
                 if (pos[1] == '*')
                 {
                     args_count++;
-                    pos[0] = '\0';
-                    alias_add_word (&res, &length_res, start);
+                    word = weechat_strndup (start, pos - start);
+                    if (word)
+                    {
+                        alias_add_word (&res, &length_res, word);
+                        free (word);
+                    }
                     alias_add_word (&res, &length_res, user_args);
-                    pos[0] = '$';
                     start = pos + 2;
                     pos = start;
                 }
@@ -141,11 +148,14 @@ alias_replace_args (char *alias_args, char *user_args)
                     if ((pos[1] >= '1') && (pos[1] <= '9'))
                     {
                         args_count++;
-                        pos[0] = '\0';
-                        alias_add_word (&res, &length_res, start);
+                        word = weechat_strndup (start, pos - start);
+                        if (word)
+                        {
+                            alias_add_word (&res, &length_res, start);
+                            free (word);
+                        }
                         if (pos[1] - '0' <= argc)
                             alias_add_word (&res, &length_res, argv[pos[1] - '1']);
-                        pos[0] = '$';
                         start = pos + 2;
                         pos = start;
                     }
@@ -293,7 +303,7 @@ alias_cb (void *data, struct t_gui_buffer *buffer, int argc, char **argv,
  */
 
 struct t_alias *
-alias_find_pos (char *name)
+alias_find_pos (const char *name)
 {
     struct t_alias *ptr_alias;
     
@@ -312,7 +322,7 @@ alias_find_pos (char *name)
  */
 
 struct t_alias *
-alias_new (char *name, char *command)
+alias_new (const char *name, const char *command)
 {
     struct t_alias *new_alias, *ptr_alias, *pos_alias;
     struct t_hook *new_hook;
@@ -524,7 +534,7 @@ alias_config_reload (void *data, struct t_config_file *config_file)
 void
 alias_config_write_default (void *data,
                             struct t_config_file *config_file,
-                            char *section_name)
+                            const char *section_name)
 {
     /* make C compiler happy */
     (void) data;
@@ -565,7 +575,7 @@ alias_config_write_default (void *data,
 int
 alias_config_create_option (void *data, struct t_config_file *config_file,
                             struct t_config_section *section,
-                            char *option_name, char *value)
+                            const char *option_name, const char *value)
 {
     struct t_alias *ptr_alias;
     int rc;
@@ -795,8 +805,8 @@ unalias_command_cb (void *data, struct t_gui_buffer *buffer, int argc,
  */
 
 int
-alias_completion_cb (void *data, char *completion, struct t_gui_buffer *buffer,
-                     struct t_weelist *list)
+alias_completion_cb (void *data, const char *completion,
+                     struct t_gui_buffer *buffer, struct t_weelist *list)
 {
     struct t_alias *ptr_alias;
     

src/plugins/charset/charset.c

@@ -59,7 +59,8 @@ int charset_debug = 0;
  */
 
 int
-charset_debug_cb (void *data, char *signal, char *type_data, void *signal_data)
+charset_debug_cb (void *data, const char *signal, const char *type_data,
+                  void *signal_data)
 {
     /* make C compiler happy */
     (void) data;
@@ -104,7 +105,7 @@ charset_config_reload (void *data, struct t_config_file *config_file)
 int
 charset_config_create_option (void *data, struct t_config_file *config_file,
                               struct t_config_section *section,
-                              char *option_name, char *value)
+                              const char *option_name, const char *value)
 {
     struct t_config_option *ptr_option;
     int rc;
@@ -256,7 +257,7 @@ charset_config_write ()
  */
 
 int
-charset_check (char *charset)
+charset_check (const char *charset)
 {
     iconv_t cd;
     
@@ -278,7 +279,7 @@ charset_check (char *charset)
  */
 
 char *
-charset_get (struct t_config_section *section, char *name,
+charset_get (struct t_config_section *section, const char *name,
              struct t_config_option *default_charset)
 {
     char *option_name, *ptr_end;
@@ -326,12 +327,12 @@ charset_get (struct t_config_section *section, char *name,
 }
 
 /*
- * charset_decode: decode a string with a charset to internal charset
+ * charset_decode_cb: decode a string with a charset to internal charset
  */
 
 char *
-charset_decode (void *data, char *modifier, char *modifier_data,
-                char *string)
+charset_decode_cb (void *data, const char *modifier, const char *modifier_data,
+                   const char *string)
 {
     char *charset;
     
@@ -355,12 +356,12 @@ charset_decode (void *data, char *modifier, char *modifier_data,
 }
 
 /*
- * charset_encode: encode a string from internal charset to another one
+ * charset_encode_cb: encode a string from internal charset to another one
  */
 
 char *
-charset_encode (void *data, char *modifier, char *modifier_data,
-                char *string)
+charset_encode_cb (void *data, const char *modifier, const char *modifier_data,
+                   const char *string)
 {
     char *charset;
     
@@ -388,8 +389,8 @@ charset_encode (void *data, char *modifier, char *modifier_data,
  */
 
 void
-charset_set (struct t_config_section *section, char *type,
-             char *name, char *value)
+charset_set (struct t_config_section *section, const char *type,
+             const char *name, const char *value)
 {
     if (charset_config_create_option (NULL,
                                       charset_config_file,
@@ -552,8 +553,8 @@ weechat_plugin_init (struct t_weechat_plugin *plugin, int argc, char *argv[])
                           &charset_command_cb, NULL);
     
     /* modifiers hooks */
-    weechat_hook_modifier ("charset_decode", &charset_decode, NULL);
-    weechat_hook_modifier ("charset_encode", &charset_encode, NULL);
+    weechat_hook_modifier ("charset_decode", &charset_decode_cb, NULL);
+    weechat_hook_modifier ("charset_encode", &charset_encode_cb, NULL);
     
     /* callback for debug */
     weechat_hook_signal ("debug", &charset_debug_cb, NULL);

src/plugins/demo/demo.c

@@ -49,8 +49,8 @@ int demo_debug = 0;
  */
 
 int
-demo_debug_signal_debug_cb (void *data, char *signal, char *type_data,
-                            void *signal_data)
+demo_debug_signal_debug_cb (void *data, const char *signal,
+                            const char *type_data, void *signal_data)
 {
     /* make C compiler happy */
     (void) data;
@@ -132,7 +132,7 @@ demo_infobar_command_cb (void *data, struct t_gui_buffer *buffer, int argc,
 
 int
 demo_buffer_input_data_cb (void *data, struct t_gui_buffer *buffer,
-                           char *input_data)
+                           const char *input_data)
 {
     /* make C compiler happy */
     (void) data;
@@ -223,7 +223,7 @@ demo_buffer_set_command_cb (void *data, struct t_gui_buffer *buffer, int argc,
  */
 
 void
-demo_infolist_print (struct t_plugin_infolist *infolist, char *item_name)
+demo_infolist_print (struct t_plugin_infolist *infolist, const char *item_name)
 {
     char *fields, **argv;
     int i, j, argc;
@@ -357,7 +357,8 @@ demo_info_command_cb (void *data, struct t_gui_buffer *buffer, int argc,
  */
 
 int
-demo_signal_cb (void *data, char *signal, char *type_data, void *signal_data)
+demo_signal_cb (void *data, const char *signal, const char *type_data,
+                void *signal_data)
 {
     /* make C compiler happy */
     (void) data;

src/plugins/fifo/fifo.c

@@ -157,52 +157,57 @@ fifo_remove ()
  */
 
 void
-fifo_exec (char *text)
+fifo_exec (const char *text)
 {
-    char *pos_msg, *pos;
+    char *text2, *pos_msg, *pos;
     struct t_gui_buffer *ptr_buffer;
     
+    text2 = strdup (text);
+    if (!text2)
+        return;
+    
     pos = NULL;
     ptr_buffer = NULL;
     
     /* look for category/name at beginning of text
        text may be: "category,name *text" or "name *text" or "*text" */
-    if (text[0] == '*')
+    if (text2[0] == '*')
     {
-        pos_msg = text + 1;
+        pos_msg = text2 + 1;
         ptr_buffer = weechat_buffer_search (NULL, NULL);
         if (!ptr_buffer)
             ptr_buffer = weechat_current_buffer;
     }
     else
     {
-        pos_msg = strstr (text, " *");
+        pos_msg = strstr (text2, " *");
         if (!pos_msg)
         {
             weechat_printf (NULL,
                             _("%s%s: error, invalid text received on pipe"),
                             weechat_prefix ("error"), "fifo");
+            free (text2);
             return;
         }
         pos_msg[0] = '\0';
         pos = pos_msg - 1;
         pos_msg += 2;
-        while ((pos >= text) && (pos[0] == ' '))
+        while ((pos >= text2) && (pos[0] == ' '))
         {
             pos[0] = '\0';
             pos--;
         }
         
-        if (text[0])
+        if (text2[0])
         {
-            pos = strchr (text, ',');
+            pos = strchr (text2, ',');
             if (pos)
             {
                 pos[0] = '\0';
-                ptr_buffer = weechat_buffer_search (text, pos + 1);
+                ptr_buffer = weechat_buffer_search (text2, pos + 1);
             }
             else
-                ptr_buffer = weechat_buffer_search (NULL, text);
+                ptr_buffer = weechat_buffer_search (NULL, text2);
             if (!ptr_buffer)
                 ptr_buffer = weechat_current_buffer;
         }
@@ -213,10 +218,13 @@ fifo_exec (char *text)
         weechat_printf (NULL,
                         _("%s%s: error, buffer not found for pipe data"),
                         weechat_prefix ("error"), "fifo");
+        free (text2);
         return;
     }
     
     weechat_command (ptr_buffer, pos_msg);
+    
+    free (text2);
 }
 
 /*
@@ -320,7 +328,7 @@ fifo_read ()
  */
 
 int
-fifo_config_cb (void *data, char *option, char *value)
+fifo_config_cb (void *data, const char *option, const char *value)
 {
     /* make C compiler happy */
     (void) data;

src/plugins/irc/irc-channel.c

@@ -40,7 +40,7 @@
 
 struct t_irc_channel *
 irc_channel_new (struct t_irc_server *server, int channel_type,
-                 char *channel_name, int switch_to_channel)
+                 const char *channel_name, int switch_to_channel)
 {
     struct t_irc_channel *new_channel;
     struct t_gui_buffer *new_buffer;
@@ -188,7 +188,7 @@ irc_channel_free_all (struct t_irc_server *server)
  */
 
 struct t_irc_channel *
-irc_channel_search (struct t_irc_server *server, char *channel_name)
+irc_channel_search (struct t_irc_server *server, const char *channel_name)
 {
     struct t_irc_channel *ptr_channel;
     
@@ -209,7 +209,7 @@ irc_channel_search (struct t_irc_server *server, char *channel_name)
  */
 
 struct t_irc_channel *
-irc_channel_search_any (struct t_irc_server *server, char *channel_name)
+irc_channel_search_any (struct t_irc_server *server, const char *channel_name)
 {
     struct t_irc_channel *ptr_channel;
     
@@ -232,7 +232,7 @@ irc_channel_search_any (struct t_irc_server *server, char *channel_name)
 
 struct t_irc_channel *
 irc_channel_search_any_without_buffer (struct t_irc_server *server,
-                                       char *channel_name)
+                                       const char *channel_name)
 {
     struct t_irc_channel *ptr_channel;
     
@@ -254,7 +254,7 @@ irc_channel_search_any_without_buffer (struct t_irc_server *server,
  */
 
 int
-irc_channel_is_channel (char *string)
+irc_channel_is_channel (const char *string)
 {
     char first_char[2];
     
@@ -311,7 +311,7 @@ irc_channel_check_away (struct t_irc_server *server,
  */
 
 void
-irc_channel_set_away (struct t_irc_channel *channel, char *nick, int is_away)
+irc_channel_set_away (struct t_irc_channel *channel, const char *nick, int is_away)
 {
     (void) channel;
     (void) nick;
@@ -404,7 +404,7 @@ irc_channel_set_notify_level (struct t_irc_server *server,
  */
 
 void
-irc_channel_add_nick_speaking (struct t_irc_channel *channel, char *nick)
+irc_channel_add_nick_speaking (struct t_irc_channel *channel, const char *nick)
 {
     int size, to_remove, i;
 

src/plugins/irc/irc-channel.h

@@ -56,22 +56,22 @@ struct t_irc_channel
 
 extern struct t_irc_channel *irc_channel_new (struct t_irc_server *server,
                                               int channel_type,
-                                              char *channel_name,
+                                              const char *channel_name,
                                               int switch_to_channel);
 extern void irc_channel_free (struct t_irc_server *server,
                               struct t_irc_channel *channel);
 extern void irc_channel_free_all (struct t_irc_server *server);
 extern struct t_irc_channel *irc_channel_search (struct t_irc_server *server,
-                                                 char *channel_name);
+                                                 const char *channel_name);
 extern struct t_irc_channel *irc_channel_search_any (struct t_irc_server *server,
-                                                     char *channel_name);
+                                                     const char *channel_name);
 extern struct t_irc_channel *irc_channel_search_any_without_buffer (struct t_irc_server *server,
-                                                                    char *channel_name);
-extern int irc_channel_is_channel (char *string);
+                                                                    const char *channel_name);
+extern int irc_channel_is_channel (const char *string);
 extern void irc_channel_remove_away (struct t_irc_channel *channel);
 extern void irc_channel_check_away (struct t_irc_server *server,
                                     struct t_irc_channel *channel, int force);
-extern void irc_channel_set_away (struct t_irc_channel *channel, char *nick,
+extern void irc_channel_set_away (struct t_irc_channel *channel, const char *nick,
                                   int is_away);
 extern int irc_channel_get_notify_level (struct t_irc_server *server,
                                          struct t_irc_channel *channel);
@@ -79,7 +79,7 @@ extern void irc_channel_set_notify_level (struct t_irc_server *server,
                                           struct t_irc_channel *channel,
                                           int notify);
 extern void irc_channel_add_nick_speaking (struct t_irc_channel *channel,
-                                           char *nick);
+                                           const char *nick);
 extern void irc_channel_print_log (struct t_irc_channel *channel);
 
 #endif /* irc-channel.h */

src/plugins/irc/irc-color.c

@@ -58,7 +58,7 @@ char *irc_color_to_weechat[IRC_NUM_COLORS] =
  */
 
 char *
-irc_color_decode (char *string, int keep_colors)
+irc_color_decode (const char *string, int keep_colors)
 {
     unsigned char *out, *ptr_string;
     int out_length, length, out_pos;
@@ -184,7 +184,7 @@ irc_color_decode (char *string, int keep_colors)
  */
 
 char *
-irc_color_decode_for_user_entry (char *string)
+irc_color_decode_for_user_entry (const char *string)
 {
     unsigned char *out, *ptr_string;
     int out_length, out_pos, length;
@@ -252,7 +252,7 @@ irc_color_decode_for_user_entry (char *string)
  */
 
 char *
-irc_color_encode (char *string, int keep_colors)
+irc_color_encode (const char *string, int keep_colors)
 {
     unsigned char *out, *ptr_string;
     int out_length, out_pos, length;

src/plugins/irc/irc-color.h

@@ -53,8 +53,8 @@
 #define IRC_COLOR_UNDERLINE_CHAR  '\x1F'
 #define IRC_COLOR_UNDERLINE_STR   "\x1F"
 
-extern char *irc_color_decode (char *string, int keep_colors);
-extern char *irc_color_decode_for_user_entry (char *string);
-extern char *irc_color_encode (char *string, int keep_colors);
+extern char *irc_color_decode (const char *string, int keep_colors);
+extern char *irc_color_decode_for_user_entry (const char *string);
+extern char *irc_color_encode (const char *string, int keep_colors);
 
 #endif /* irc-color.h */

src/plugins/irc/irc-command.c

@@ -71,7 +71,7 @@ irc_command_admin (void *data, struct t_gui_buffer *buffer, int argc,
 void
 irc_command_me_channel (struct t_irc_server *server,
                         struct t_irc_channel *channel,
-                        char *arguments)
+                        const char *arguments)
 {
     char *string;
     
@@ -97,7 +97,7 @@ irc_command_me_channel (struct t_irc_server *server,
  */
 
 void
-irc_command_me_all_channels (struct t_irc_server *server, char *arguments)
+irc_command_me_all_channels (struct t_irc_server *server, const char *arguments)
 {
     struct t_irc_channel *ptr_channel;
     
@@ -114,8 +114,8 @@ irc_command_me_all_channels (struct t_irc_server *server, char *arguments)
  */
 
 void
-irc_command_mode_nicks (struct t_irc_server *server, char *channel,
-                        char *set, char *mode, int argc, char **argv)
+irc_command_mode_nicks (struct t_irc_server *server, const char *channel,
+                        const char *set, const char *mode, int argc, char **argv)
 {
     int i, length;
     char *command;
@@ -248,7 +248,7 @@ irc_command_amsg (void *data, struct t_gui_buffer *buffer, int argc,
  */
 
 void
-irc_command_away_server (struct t_irc_server *server, char *arguments)
+irc_command_away_server (struct t_irc_server *server, const char *arguments)
 {
     char *string, buffer[4096];
     time_t time_now, elapsed;
@@ -1098,9 +1098,10 @@ irc_command_die (void *data, struct t_gui_buffer *buffer, int argc,
  */
 
 void
-irc_command_quit_server (struct t_irc_server *server, char *arguments)
+irc_command_quit_server (struct t_irc_server *server, const char *arguments)
 {
-    char *ptr_arg, *buf, *version;
+    const char *ptr_arg;
+    char *buf, *version;
     
     if (!server)
         return;
@@ -1348,7 +1349,7 @@ irc_command_ison (void *data, struct t_gui_buffer *buffer, int argc,
  */
 
 void
-irc_command_join_server (struct t_irc_server *server, char *arguments)
+irc_command_join_server (struct t_irc_server *server, const char *arguments)
 {
     if (irc_channel_is_channel (arguments))
         irc_server_sendf (server, "JOIN %s", arguments);
@@ -1708,7 +1709,7 @@ irc_command_me (void *data, struct t_gui_buffer *buffer, int argc, char **argv,
  */
 
 void
-irc_command_mode_server (struct t_irc_server *server, char *arguments)
+irc_command_mode_server (struct t_irc_server *server, const char *arguments)
 {
     irc_server_sendf (server, "MODE %s", arguments);
 }
@@ -1967,7 +1968,7 @@ irc_command_names (void *data, struct t_gui_buffer *buffer, int argc,
  */
 
 void
-irc_send_nick_server (struct t_irc_server *server, char *nickname)
+irc_send_nick_server (struct t_irc_server *server, const char *nickname)
 {
     if (!server)
         return;
@@ -2133,10 +2134,11 @@ irc_command_oper (void *data, struct t_gui_buffer *buffer, int argc,
  */
 
 void
-irc_command_part_channel (struct t_irc_server *server, char *channel_name,
-                          char *part_message)
+irc_command_part_channel (struct t_irc_server *server, const char *channel_name,
+                          const char *part_message)
 {
-    char *ptr_arg, *buf, *version;
+    const char *ptr_arg;
+    char *buf, *version;
     
     ptr_arg = (part_message) ? part_message :
         (weechat_config_string (irc_config_network_default_msg_part)

src/plugins/irc/irc-command.h

@@ -30,16 +30,16 @@ struct t_irc_server;
 
 
 extern void irc_command_away_server (struct t_irc_server *server,
-                                     char *arguments);
+                                     const char *arguments);
 extern void irc_command_join_server (struct t_irc_server *server,
-                                     char *arguments);
+                                     const char *arguments);
 extern void irc_command_mode_server (struct t_irc_server *server,
-                                     char *arguments);
+                                     const char *arguments);
 extern void irc_command_part_channel (struct t_irc_server *server,
-                                      char *channel_name,
-                                      char *part_message);
+                                      const char *channel_name,
+                                      const char *part_message);
 extern void irc_command_quit_server (struct t_irc_server *server,
-                                     char *arguments);
+                                     const char *arguments);
 extern void irc_command_init ();
 
 #endif /* irc-command.h */

src/plugins/irc/irc-completion.c

@@ -38,7 +38,7 @@
  */
 
 int
-irc_completion_server_cb (void *data, char *completion,
+irc_completion_server_cb (void *data, const char *completion,
                           struct t_gui_buffer *buffer, struct t_weelist *list)
 {
     IRC_GET_SERVER(buffer);
@@ -59,7 +59,7 @@ irc_completion_server_cb (void *data, char *completion,
  */
 
 int
-irc_completion_server_nicks_cb (void *data, char *completion,
+irc_completion_server_nicks_cb (void *data, const char *completion,
                                 struct t_gui_buffer *buffer,
                                 struct t_weelist *list)
 {
@@ -101,7 +101,7 @@ irc_completion_server_nicks_cb (void *data, char *completion,
  */
 
 int
-irc_completion_servers_cb (void *data, char *completion,
+irc_completion_servers_cb (void *data, const char *completion,
                            struct t_gui_buffer *buffer, struct t_weelist *list)
 {
     struct t_irc_server *ptr_server;
@@ -125,7 +125,7 @@ irc_completion_servers_cb (void *data, char *completion,
  */
 
 int
-irc_completion_channel_cb (void *data, char *completion,
+irc_completion_channel_cb (void *data, const char *completion,
                            struct t_gui_buffer *buffer, struct t_weelist *list)
 {
     IRC_GET_SERVER_CHANNEL(buffer);
@@ -146,7 +146,7 @@ irc_completion_channel_cb (void *data, char *completion,
  */
 
 int
-irc_completion_channel_nicks_cb (void *data, char *completion,
+irc_completion_channel_nicks_cb (void *data, const char *completion,
                                  struct t_gui_buffer *buffer,
                                  struct t_weelist *list)
 {
@@ -206,7 +206,7 @@ irc_completion_channel_nicks_cb (void *data, char *completion,
  */
 
 int
-irc_completion_channel_nicks_hosts_cb (void *data, char *completion,
+irc_completion_channel_nicks_hosts_cb (void *data, const char *completion,
                                        struct t_gui_buffer *buffer,
                                        struct t_weelist *list)
 {
@@ -259,7 +259,7 @@ irc_completion_channel_nicks_hosts_cb (void *data, char *completion,
  */
 
 int
-irc_completion_channel_topic_cb (void *data, char *completion,
+irc_completion_channel_topic_cb (void *data, const char *completion,
                                  struct t_gui_buffer *buffer,
                                  struct t_weelist *list)
 {
@@ -289,7 +289,7 @@ irc_completion_channel_topic_cb (void *data, char *completion,
  */
 
 int
-irc_completion_channels_cb (void *data, char *completion,
+irc_completion_channels_cb (void *data, const char *completion,
                             struct t_gui_buffer *buffer, struct t_weelist *list)
 {
     struct t_irc_server *ptr_server;
@@ -318,7 +318,7 @@ irc_completion_channels_cb (void *data, char *completion,
  */
 
 int
-irc_completion_msg_part_cb (void *data, char *completion,
+irc_completion_msg_part_cb (void *data, const char *completion,
                             struct t_gui_buffer *buffer, struct t_weelist *list)
 {
     /* make C compiler happy */

src/plugins/irc/irc-config.c

@@ -92,7 +92,7 @@ struct t_config_option *irc_config_server_default[IRC_CONFIG_NUM_SERVER_OPTIONS]
  */
 
 int
-irc_config_search_server_option (char *option_name)
+irc_config_search_server_option (const char *option_name)
 {
     int i;
     
@@ -111,7 +111,7 @@ irc_config_search_server_option (char *option_name)
 }
 
 struct t_irc_server *
-irc_config_get_server_from_option_name (char *name)
+irc_config_get_server_from_option_name (const char *name)
 {
     struct t_irc_server *ptr_server;
     char *pos_option, *server_name;
@@ -492,7 +492,7 @@ irc_config_reload (void *data, struct t_config_file *config_file)
 
 void
 irc_config_server_write_default (void *data, struct t_config_file *config_file,
-                                 char *section_name)
+                                 const char *section_name)
 {
     /* make C compiler happy */
     (void) data;
@@ -511,7 +511,7 @@ struct t_config_option *
 irc_config_server_new_option (struct t_config_file *config_file,
                               struct t_config_section *section,
                               int index_option,
-                              char *option_name, char *value,
+                              const char *option_name, const char *value,
                               void *callback_change,
                               void *callback_change_data,
                               void *callback_delete,
@@ -688,7 +688,7 @@ irc_config_server_new_option (struct t_config_file *config_file,
 int
 irc_config_server_create_option (void *data, struct t_config_file *config_file,
                                  struct t_config_section *section,
-                                 char *option_name, char *value)
+                                 const char *option_name, const char *value)
 {
     struct t_config_option *ptr_option;
     struct t_irc_server *ptr_server;

src/plugins/irc/irc-debug.c

@@ -54,7 +54,7 @@ irc_debug_buffer_close_cb (void *data, struct t_gui_buffer *buffer)
 
 void
 irc_debug_printf (struct t_irc_server *server, int send, int modified,
-                  char *message)
+                  const char *message)
 {
     char *buf;
     
@@ -100,8 +100,8 @@ irc_debug_printf (struct t_irc_server *server, int send, int modified,
  */
 
 int
-irc_debug_signal_debug_cb (void *data, char *signal, char *type_data,
-                           void *signal_data)
+irc_debug_signal_debug_cb (void *data, const char *signal,
+                           const char *type_data, void *signal_data)
 {
     /* make C compiler happy */
     (void) data;
@@ -127,8 +127,8 @@ irc_debug_signal_debug_cb (void *data, char *signal, char *type_data,
  */
 
 int
-irc_debug_signal_debug_dump_cb (void *data, char *signal, char *type_data,
-                                void *signal_data)
+irc_debug_signal_debug_dump_cb (void *data, const char *signal,
+                                const char *type_data, void *signal_data)
 {
     /* make C compiler happy */
     (void) data;

src/plugins/irc/irc-debug.h

@@ -28,7 +28,7 @@
 struct t_irc_server;
 
 extern void irc_debug_printf (struct t_irc_server *server, int send,
-                              int modified, char *message);
+                              int modified, const char *message);
 extern void irc_debug_init ();
 
 #endif /* irc-debug.h */

src/plugins/irc/irc-display.c

@@ -90,7 +90,7 @@ irc_display_hide_password (char *string, int look_for_nickserv)
  */
 
 void
-irc_display_away (struct t_irc_server *server, char *string1, char *string2)
+irc_display_away (struct t_irc_server *server, const char *string1, const char *string2)
 {
     struct t_irc_channel *ptr_channel;
     
@@ -118,8 +118,9 @@ irc_display_away (struct t_irc_server *server, char *string1, char *string2)
 
 void
 irc_display_mode (struct t_gui_buffer *buffer,
-                  char *channel_name, char *nick_name, char set_flag,
-                  char *symbol, char *nick_host, char *message, char *param)
+                  const char *channel_name, const char *nick_name,
+                  char set_flag, const char *symbol, const char *nick_host,
+                  const char *message, const char *param)
 {
     weechat_printf (buffer,
                     "%s[%s%s%s/%s%c%s%s] %s%s %s%s%s%s%s",

src/plugins/irc/irc-display.h

@@ -22,14 +22,16 @@
 
 extern void irc_display_hide_password (char *string, int look_for_nickserv);
 extern void irc_display_nick (struct t_gui_buffer *buffer,
-                              struct t_irc_nick *nick, char *nickname,
-                              int type, int display_around, char *force_color,
-                              int no_nickmode);
-extern void irc_display_away (struct t_irc_server *server, char *string1,
-                              char *string2);
-extern void irc_display_mode (struct t_gui_buffer *buffer, char *channel_name,
-                              char *nick_name, char set_flag, char *symbol,
-                              char *nick_host, char *message, char *param);
+                              struct t_irc_nick *nick, const char *nickname,
+                              int type, int display_around,
+                              const char *force_color, int no_nickmode);
+extern void irc_display_away (struct t_irc_server *server, const char *string1,
+                              const char *string2);
+extern void irc_display_mode (struct t_gui_buffer *buffer,
+                              const char *channel_name, const char *nick_name,
+                              char set_flag, const char *symbol,
+                              const char *nick_host, const char *message,
+                              const char *param);
 extern void irc_display_server (struct t_irc_server *server, int with_detail);
 
 #endif /* irc-display.h */

src/plugins/irc/irc-input.c

@@ -36,7 +36,7 @@
  */
 
 void
-irc_input_user_message_display (struct t_gui_buffer *buffer, char *text)
+irc_input_user_message_display (struct t_gui_buffer *buffer, const char *text)
 {
     struct t_irc_nick *ptr_nick;
     char *text_decoded;
@@ -84,13 +84,15 @@ irc_input_user_message_display (struct t_gui_buffer *buffer, char *text)
 /*
  * irc_input_send_user_message: send a PRIVMSG message, and split it
  *                              if > 512 bytes
+ *                              warning: this function makes temporarirly
+ *                                       changes in "text"
  */
 
 void
 irc_input_send_user_message (struct t_gui_buffer *buffer, char *text)
 {
     int max_length;
-    char *pos, *pos_next, *pos_max, *next, saved_char, *last_space;
+    char *pos, *pos_max, *last_space, *pos_next, *next, saved_char;
     
     IRC_GET_SERVER_CHANNEL(buffer);
     
@@ -151,9 +153,10 @@ irc_input_send_user_message (struct t_gui_buffer *buffer, char *text)
  */
 
 int
-irc_input_data_cb (void *data, struct t_gui_buffer *buffer, char *input_data)
+irc_input_data_cb (void *data, struct t_gui_buffer *buffer,
+                   const char *input_data)
 {
-    char *data_with_colors;
+    char *data_with_colors, *msg;
     
     /* make C compiler happy */
     (void) data;
@@ -164,9 +167,13 @@ irc_input_data_cb (void *data, struct t_gui_buffer *buffer, char *input_data)
     {
         data_with_colors = irc_color_encode (input_data,
                                              weechat_config_boolean (irc_config_network_colors_send));
-        
-        irc_input_send_user_message (buffer,
-                                     (data_with_colors) ? data_with_colors : input_data);
+
+        msg = strdup ((data_with_colors) ? data_with_colors : input_data);
+        if (msg)
+        {
+            irc_input_send_user_message (buffer, msg);
+            free (msg);
+        }
         
         if (data_with_colors)
             free (data_with_colors);

src/plugins/irc/irc-input.h

@@ -21,6 +21,6 @@
 #define __WEECHAT_IRC_INPUT_H 1
 
 extern int irc_input_data_cb (void *data, struct t_gui_buffer *buffer,
-                              char *input_data);
+                              const char *input_data);
 
 #endif /* irc-input.h */

src/plugins/irc/irc-mode.c

@@ -35,7 +35,7 @@
  */
 
 void
-irc_mode_channel_set_nick (struct t_irc_channel *channel, char *nick,
+irc_mode_channel_set_nick (struct t_irc_channel *channel, const char *nick,
                            char set_flag, int flag)
 {
     struct t_irc_nick *ptr_nick;
@@ -53,13 +53,13 @@ irc_mode_channel_set_nick (struct t_irc_channel *channel, char *nick,
  */
 
 char
-irc_mode_channel_get_flag (char *str, char *pos)
+irc_mode_channel_get_flag (const char *string, const char *pos)
 {
     char set_flag;
 
     set_flag = '+';
     pos--;
-    while (pos >= str)
+    while (pos >= string)
     {
         if (pos[0] == '-')
             return '-';
@@ -76,7 +76,7 @@ irc_mode_channel_get_flag (char *str, char *pos)
 
 void
 irc_mode_channel_set (struct t_irc_server *server,
-                      struct t_irc_channel *channel, char *modes)
+                      struct t_irc_channel *channel, const char *modes)
 {
     char *pos_args, *str_modes, set_flag, **argv, *pos, *ptr_arg;
     int argc, current_arg;
@@ -269,7 +269,7 @@ irc_mode_user_remove (struct t_irc_server *server, char mode)
  */
 
 void
-irc_mode_user_set (struct t_irc_server *server, char *modes)
+irc_mode_user_set (struct t_irc_server *server, const char *modes)
 {
     char set_flag;
     

src/plugins/irc/irc-mode.h

@@ -24,8 +24,9 @@ struct t_irc_server;
 struct t_irc_channel;
 
 extern void irc_mode_channel_set (struct t_irc_server *server,
-                                  struct t_irc_channel *channel, char *modes);
-extern void irc_mode_user_set (struct t_irc_server *server, char *modes);
+                                  struct t_irc_channel *channel,
+                                  const char *modes);
+extern void irc_mode_user_set (struct t_irc_server *server, const char *modes);
 extern int irc_mode_nick_prefix_allowed (struct t_irc_server *server,
                                          char prefix);
 

src/plugins/irc/irc-nick.c

@@ -155,7 +155,7 @@ irc_nick_get_gui_infos (struct t_irc_nick *nick,
 
 struct t_irc_nick *
 irc_nick_new (struct t_irc_server *server, struct t_irc_channel *channel,
-              char *nick_name, int is_chanowner, int is_chanadmin,
+              const char *nick_name, int is_chanowner, int is_chanadmin,
               int is_chanadmin2, int is_op, int is_halfop, int has_voice,
               int is_chanuser)
 {
@@ -251,7 +251,7 @@ irc_nick_new (struct t_irc_server *server, struct t_irc_channel *channel,
 
 void
 irc_nick_change (struct t_irc_server *server, struct t_irc_channel *channel,
-                 struct t_irc_nick *nick, char *new_nick)
+                 struct t_irc_nick *nick, const char *new_nick)
 {
     int nick_is_me, prefix_color;
     struct t_gui_nick_group *ptr_group;
@@ -402,7 +402,7 @@ irc_nick_free_all (struct t_irc_channel *channel)
  */
 
 struct t_irc_nick *
-irc_nick_search (struct t_irc_channel *channel, char *nickname)
+irc_nick_search (struct t_irc_channel *channel, const char *nickname)
 {
     struct t_irc_nick *ptr_nick;
     
@@ -500,7 +500,8 @@ irc_nick_set_away (struct t_irc_channel *channel, struct t_irc_nick *nick,
  */
 
 char *
-irc_nick_as_prefix (struct t_irc_nick *nick, char *nickname, char *force_color)
+irc_nick_as_prefix (struct t_irc_nick *nick, const char *nickname,
+                    const char *force_color)
 {
     static char result[256];
     char prefix[2], str_prefix_color[64];

src/plugins/irc/irc-nick.h

@@ -58,27 +58,27 @@ struct t_irc_nick
 
 extern struct t_irc_nick *irc_nick_new (struct t_irc_server *server,
                                         struct t_irc_channel *channel,
-                                        char *nick_name, int is_chanowner,
+                                        const char *nick_name, int is_chanowner,
                                         int is_chanadmin, int is_chanadmin2,
                                         int is_op, int is_halfop,
                                         int has_voice, int is_chanuser);
 extern void irc_nick_change (struct t_irc_server *server,
                              struct t_irc_channel *channel,
-                             struct t_irc_nick *nick, char *new_nick);
+                             struct t_irc_nick *nick, const char *new_nick);
 extern void irc_nick_set (struct t_irc_channel *channel,
                           struct t_irc_nick *nick, int set, int flag);
 extern void irc_nick_free (struct t_irc_channel *channel,
                            struct t_irc_nick *nick);
 extern void irc_nick_free_all (struct t_irc_channel *channel);
 extern struct t_irc_nick *irc_nick_search (struct t_irc_channel *channel,
-                                           char *nickname);
+                                           const char *nickname);
 extern void irc_nick_count (struct t_irc_channel *channel, int *total,
                             int *count_op, int *count_halfop, int *count_voice,
                             int *count_normal);
 extern void irc_nick_set_away (struct t_irc_channel *channel,
                                struct t_irc_nick *nick, int is_away);
-extern char *irc_nick_as_prefix (struct t_irc_nick *nick, char *nickname,
-                                 char *force_color);
+extern char *irc_nick_as_prefix (struct t_irc_nick *nick, const char *nickname,
+                                 const char *force_color);
 extern void irc_nick_print_log (struct t_irc_nick *nick);
 
 #endif /* irc-nick.h */

src/plugins/irc/irc-protocol.c

@@ -48,7 +48,7 @@
  */
 
 char *
-irc_protocol_get_nick_from_host (char *host)
+irc_protocol_get_nick_from_host (const char *host)
 {
     static char nick[128];
     char *pos;
@@ -75,7 +75,7 @@ irc_protocol_get_nick_from_host (char *host)
  */
 
 char *
-irc_protocol_get_address_from_host (char *host)
+irc_protocol_get_address_from_host (const char *host)
 {
     static char address[256];
     char *pos;
@@ -99,7 +99,7 @@ irc_protocol_get_address_from_host (char *host)
  */
 
 char *
-irc_protocol_tags (char *command, char *tags)
+irc_protocol_tags (const char *command, const char *tags)
 {
     static char string[256];
     
@@ -132,7 +132,7 @@ irc_protocol_tags (char *command, char *tags)
 
 char *
 irc_protocol_replace_vars (struct t_irc_server *server,
-                           struct t_irc_channel *channel, char *string)
+                           struct t_irc_channel *channel, const char *string)
 {
     char *var_nick, *var_channel, *var_server;
     char empty_string[1] = { '\0' };
@@ -171,7 +171,7 @@ irc_protocol_replace_vars (struct t_irc_server *server,
  */
 
 int
-irc_protocol_cmd_error (struct t_irc_server *server, char *command,
+irc_protocol_cmd_error (struct t_irc_server *server, const char *command,
                         int argc, char **argv, char **argv_eol)
 {
     int first_arg;
@@ -216,7 +216,7 @@ irc_protocol_cmd_error (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_invite (struct t_irc_server *server, char *command,
+irc_protocol_cmd_invite (struct t_irc_server *server, const char *command,
                          int argc, char **argv, char **argv_eol)
 {
     /* INVITE message looks like:
@@ -251,7 +251,7 @@ irc_protocol_cmd_invite (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_join (struct t_irc_server *server, char *command,
+irc_protocol_cmd_join (struct t_irc_server *server, const char *command,
                        int argc, char **argv, char **argv_eol)
 {
     struct t_irc_channel *ptr_channel;
@@ -325,7 +325,7 @@ irc_protocol_cmd_join (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_kick (struct t_irc_server *server, char *command,
+irc_protocol_cmd_kick (struct t_irc_server *server, const char *command,
                        int argc, char **argv, char **argv_eol)
 {
     char *pos_comment;
@@ -414,7 +414,7 @@ irc_protocol_cmd_kick (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_kill (struct t_irc_server *server, char *command,
+irc_protocol_cmd_kill (struct t_irc_server *server, const char *command,
                        int argc, char **argv, char **argv_eol)
 {
     char *pos_comment;
@@ -481,7 +481,7 @@ irc_protocol_cmd_kill (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_mode (struct t_irc_server *server, char *command,
+irc_protocol_cmd_mode (struct t_irc_server *server, const char *command,
                        int argc, char **argv, char **argv_eol)
 {
     char *pos_modes;
@@ -543,7 +543,7 @@ irc_protocol_cmd_mode (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_nick (struct t_irc_server *server, char *command,
+irc_protocol_cmd_nick (struct t_irc_server *server, const char *command,
                        int argc, char **argv, char **argv_eol)
 {
     struct t_irc_channel *ptr_channel;
@@ -632,7 +632,7 @@ irc_protocol_cmd_nick (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_notice (struct t_irc_server *server, char *command,
+irc_protocol_cmd_notice (struct t_irc_server *server, const char *command,
                          int argc, char **argv, char **argv_eol)
 {
     char *nick, *host, *pos_args, *pos_end, *pos_usec;
@@ -820,7 +820,7 @@ irc_protocol_cmd_notice (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_part (struct t_irc_server *server, char *command,
+irc_protocol_cmd_part (struct t_irc_server *server, const char *command,
                        int argc, char **argv, char **argv_eol)
 {
     char *nick, *host, *pos_comment, *join_string;
@@ -929,7 +929,7 @@ irc_protocol_cmd_part (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_ping (struct t_irc_server *server, char *command,
+irc_protocol_cmd_ping (struct t_irc_server *server, const char *command,
                        int argc, char **argv, char **argv_eol)
 {
     /* PING message looks like:
@@ -952,7 +952,7 @@ irc_protocol_cmd_ping (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_pong (struct t_irc_server *server, char *command,
+irc_protocol_cmd_pong (struct t_irc_server *server, const char *command,
                        int argc, char **argv, char **argv_eol)
 {
     struct timeval tv;
@@ -990,8 +990,8 @@ irc_protocol_cmd_pong (struct t_irc_server *server, char *command,
 
 void
 irc_protocol_reply_version (struct t_irc_server *server,
-                            struct t_irc_channel *channel, char *nick,
-                            char *message, char *str_version)
+                            struct t_irc_channel *channel, const char *nick,
+                            const char *message, const char *str_version)
 {
     char *pos, *version, *date;
     struct t_gui_buffer *ptr_buffer;
@@ -1043,7 +1043,7 @@ irc_protocol_reply_version (struct t_irc_server *server,
     }
     weechat_hook_signal_send ("irc_ctcp",
                               WEECHAT_HOOK_SIGNAL_STRING,
-                              message);
+                              (void *)message);
 }
 
 /*
@@ -1051,7 +1051,7 @@ irc_protocol_reply_version (struct t_irc_server *server,
  */
 
 int
-irc_protocol_cmd_privmsg (struct t_irc_server *server, char *command,
+irc_protocol_cmd_privmsg (struct t_irc_server *server, const char *command,
                           int argc, char **argv, char **argv_eol)
 {
     char *nick, *host, *pos_args, *pos_end_01, *pos, *pos_message;
@@ -1911,7 +1911,7 @@ irc_protocol_cmd_privmsg (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_quit (struct t_irc_server *server, char *command,
+irc_protocol_cmd_quit (struct t_irc_server *server, const char *command,
                        int argc, char **argv, char **argv_eol)
 {
     char *nick, *host, *pos_comment;
@@ -1988,7 +1988,7 @@ irc_protocol_cmd_quit (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_server_mode_reason (struct t_irc_server *server, char *command,
+irc_protocol_cmd_server_mode_reason (struct t_irc_server *server, const char *command,
                                      int argc, char **argv, char **argv_eol)
 {
     char *pos_mode, *pos_args;
@@ -2022,7 +2022,7 @@ irc_protocol_cmd_server_mode_reason (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_numeric (struct t_irc_server *server, char *command,
+irc_protocol_cmd_numeric (struct t_irc_server *server, const char *command,
                           int argc, char **argv, char **argv_eol)
 {
     char *pos_args;
@@ -2056,7 +2056,7 @@ irc_protocol_cmd_numeric (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_topic (struct t_irc_server *server, char *command,
+irc_protocol_cmd_topic (struct t_irc_server *server, const char *command,
                         int argc, char **argv, char **argv_eol)
 {
     char *pos_topic, *topic_color;
@@ -2135,7 +2135,7 @@ irc_protocol_cmd_topic (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_wallops (struct t_irc_server *server, char *command,
+irc_protocol_cmd_wallops (struct t_irc_server *server, const char *command,
                           int argc, char **argv, char **argv_eol)
 {
     /* WALLOPS message looks like:
@@ -2165,7 +2165,7 @@ irc_protocol_cmd_wallops (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_001 (struct t_irc_server *server, char *command,
+irc_protocol_cmd_001 (struct t_irc_server *server, const char *command,
                       int argc, char **argv, char **argv_eol)
 {
     char **commands, **ptr_cmd, *vars_replaced;
@@ -2233,7 +2233,7 @@ irc_protocol_cmd_001 (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_005 (struct t_irc_server *server, char *command,
+irc_protocol_cmd_005 (struct t_irc_server *server, const char *command,
                       int argc, char **argv, char **argv_eol)
 {
     char *pos, *pos2;
@@ -2278,7 +2278,7 @@ irc_protocol_cmd_005 (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_221 (struct t_irc_server *server, char *command,
+irc_protocol_cmd_221 (struct t_irc_server *server, const char *command,
                       int argc, char **argv, char **argv_eol)
 {
     /* 221 message looks like:
@@ -2309,7 +2309,7 @@ irc_protocol_cmd_221 (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_301 (struct t_irc_server *server, char *command,
+irc_protocol_cmd_301 (struct t_irc_server *server, const char *command,
                       int argc, char **argv, char **argv_eol)
 {
     char *pos_away_msg;
@@ -2361,7 +2361,7 @@ irc_protocol_cmd_301 (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_303 (struct t_irc_server *server, char *command,
+irc_protocol_cmd_303 (struct t_irc_server *server, const char *command,
                       int argc, char **argv, char **argv_eol)
 {
     /* 301 message looks like:
@@ -2388,7 +2388,7 @@ irc_protocol_cmd_303 (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_305 (struct t_irc_server *server, char *command,
+irc_protocol_cmd_305 (struct t_irc_server *server, const char *command,
                       int argc, char **argv, char **argv_eol)
 {
     /* 305 message looks like:
@@ -2430,7 +2430,7 @@ irc_protocol_cmd_305 (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_306 (struct t_irc_server *server, char *command,
+irc_protocol_cmd_306 (struct t_irc_server *server, const char *command,
                       int argc, char **argv, char **argv_eol)
 {
     /* 306 message looks like:
@@ -2478,7 +2478,7 @@ irc_protocol_cmd_306 (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_whois_nick_msg (struct t_irc_server *server, char *command,
+irc_protocol_cmd_whois_nick_msg (struct t_irc_server *server, const char *command,
                                  int argc, char **argv, char **argv_eol)
 {
     /* messages look like:
@@ -2506,7 +2506,7 @@ irc_protocol_cmd_whois_nick_msg (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_311 (struct t_irc_server *server, char *command,
+irc_protocol_cmd_311 (struct t_irc_server *server, const char *command,
                       int argc, char **argv, char **argv_eol)
 {
     /* 311 message looks like:
@@ -2538,7 +2538,7 @@ irc_protocol_cmd_311 (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_312 (struct t_irc_server *server, char *command,
+irc_protocol_cmd_312 (struct t_irc_server *server, const char *command,
                       int argc, char **argv, char **argv_eol)
 {
     /* 312 message looks like:
@@ -2570,7 +2570,7 @@ irc_protocol_cmd_312 (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_314 (struct t_irc_server *server, char *command,
+irc_protocol_cmd_314 (struct t_irc_server *server, const char *command,
                       int argc, char **argv, char **argv_eol)
 {
     /* 314 message looks like:
@@ -2601,7 +2601,7 @@ irc_protocol_cmd_314 (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_315 (struct t_irc_server *server, char *command,
+irc_protocol_cmd_315 (struct t_irc_server *server, const char *command,
                       int argc, char **argv, char **argv_eol)
 {
     /* 315 message looks like:
@@ -2639,7 +2639,7 @@ irc_protocol_cmd_315 (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_317 (struct t_irc_server *server, char *command,
+irc_protocol_cmd_317 (struct t_irc_server *server, const char *command,
                       int argc, char **argv, char **argv_eol)
 {
     int idle_time, day, hour, min, sec;
@@ -2731,7 +2731,7 @@ irc_protocol_cmd_317 (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_321 (struct t_irc_server *server, char *command,
+irc_protocol_cmd_321 (struct t_irc_server *server, const char *command,
                       int argc, char **argv, char **argv_eol)
 {
     char *pos_args;
@@ -2761,7 +2761,7 @@ irc_protocol_cmd_321 (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_322 (struct t_irc_server *server, char *command,
+irc_protocol_cmd_322 (struct t_irc_server *server, const char *command,
                       int argc, char **argv, char **argv_eol)
 {
     char *pos_topic;
@@ -2801,7 +2801,7 @@ irc_protocol_cmd_322 (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_323 (struct t_irc_server *server, char *command,
+irc_protocol_cmd_323 (struct t_irc_server *server, const char *command,
                       int argc, char **argv, char **argv_eol)
 {
     char *pos_args;
@@ -2832,7 +2832,7 @@ irc_protocol_cmd_323 (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_324 (struct t_irc_server *server, char *command,
+irc_protocol_cmd_324 (struct t_irc_server *server, const char *command,
                       int argc, char **argv, char **argv_eol)
 {
     struct t_irc_channel *ptr_channel;
@@ -2875,7 +2875,7 @@ irc_protocol_cmd_324 (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_327 (struct t_irc_server *server, char *command,
+irc_protocol_cmd_327 (struct t_irc_server *server, const char *command,
                       int argc, char **argv, char **argv_eol)
 {
     char *pos_realname;
@@ -2930,7 +2930,7 @@ irc_protocol_cmd_327 (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_329 (struct t_irc_server *server, char *command,
+irc_protocol_cmd_329 (struct t_irc_server *server, const char *command,
                       int argc, char **argv, char **argv_eol)
 {
     struct t_irc_channel *ptr_channel;
@@ -2979,7 +2979,7 @@ irc_protocol_cmd_329 (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_331 (struct t_irc_server *server, char *command,
+irc_protocol_cmd_331 (struct t_irc_server *server, const char *command,
                       int argc, char **argv, char **argv_eol)
 {
     struct t_irc_channel *ptr_channel;
@@ -3010,7 +3010,7 @@ irc_protocol_cmd_331 (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_332 (struct t_irc_server *server, char *command,
+irc_protocol_cmd_332 (struct t_irc_server *server, const char *command,
                       int argc, char **argv, char **argv_eol)
 {
     char *pos_topic;
@@ -3053,7 +3053,7 @@ irc_protocol_cmd_332 (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_333 (struct t_irc_server *server, char *command,
+irc_protocol_cmd_333 (struct t_irc_server *server, const char *command,
                       int argc, char **argv, char **argv_eol)
 {
     struct t_irc_channel *ptr_channel;
@@ -3102,7 +3102,7 @@ irc_protocol_cmd_333 (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_338 (struct t_irc_server *server, char *command,
+irc_protocol_cmd_338 (struct t_irc_server *server, const char *command,
                       int argc, char **argv, char **argv_eol)
 {
     /* 338 message looks like:
@@ -3132,7 +3132,7 @@ irc_protocol_cmd_338 (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_341 (struct t_irc_server *server, char *command,
+irc_protocol_cmd_341 (struct t_irc_server *server, const char *command,
                       int argc, char **argv, char **argv_eol)
 {
     /* 341 message looks like:
@@ -3165,7 +3165,7 @@ irc_protocol_cmd_341 (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_344 (struct t_irc_server *server, char *command,
+irc_protocol_cmd_344 (struct t_irc_server *server, const char *command,
                       int argc, char **argv, char **argv_eol)
 {
     /* 344 message looks like:
@@ -3192,7 +3192,7 @@ irc_protocol_cmd_344 (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_345 (struct t_irc_server *server, char *command,
+irc_protocol_cmd_345 (struct t_irc_server *server, const char *command,
                       int argc, char **argv, char **argv_eol)
 {
     /* 345 message looks like:
@@ -3218,7 +3218,7 @@ irc_protocol_cmd_345 (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_348 (struct t_irc_server *server, char *command,
+irc_protocol_cmd_348 (struct t_irc_server *server, const char *command,
                       int argc, char **argv, char **argv_eol)
 {
     struct t_irc_channel *ptr_channel;
@@ -3285,7 +3285,7 @@ irc_protocol_cmd_348 (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_349 (struct t_irc_server *server, char *command,
+irc_protocol_cmd_349 (struct t_irc_server *server, const char *command,
                       int argc, char **argv, char **argv_eol)
 {
     char *pos_args;
@@ -3322,7 +3322,7 @@ irc_protocol_cmd_349 (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_351 (struct t_irc_server *server, char *command,
+irc_protocol_cmd_351 (struct t_irc_server *server, const char *command,
                       int argc, char **argv, char **argv_eol)
 {
     /* 351 message looks like:
@@ -3359,7 +3359,7 @@ irc_protocol_cmd_351 (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_352 (struct t_irc_server *server, char *command,
+irc_protocol_cmd_352 (struct t_irc_server *server, const char *command,
                       int argc, char **argv, char **argv_eol)
 {
     char *pos_attr, *pos_hopcount, *pos_realname;
@@ -3441,7 +3441,7 @@ irc_protocol_cmd_352 (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_353 (struct t_irc_server *server, char *command,
+irc_protocol_cmd_353 (struct t_irc_server *server, const char *command,
                       int argc, char **argv, char **argv_eol)
 {
     char *pos_channel, *pos_nick, *color;
@@ -3568,7 +3568,7 @@ irc_protocol_cmd_353 (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_366 (struct t_irc_server *server, char *command,
+irc_protocol_cmd_366 (struct t_irc_server *server, const char *command,
                       int argc, char **argv, char **argv_eol)
 {
     struct t_irc_channel *ptr_channel;
@@ -3699,7 +3699,7 @@ irc_protocol_cmd_366 (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_367 (struct t_irc_server *server, char *command,
+irc_protocol_cmd_367 (struct t_irc_server *server, const char *command,
                       int argc, char **argv, char **argv_eol)
 {
     struct t_irc_channel *ptr_channel;
@@ -3771,7 +3771,7 @@ irc_protocol_cmd_367 (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_368 (struct t_irc_server *server, char *command,
+irc_protocol_cmd_368 (struct t_irc_server *server, const char *command,
                       int argc, char **argv, char **argv_eol)
 {
     char *pos_args;
@@ -3808,7 +3808,7 @@ irc_protocol_cmd_368 (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_432 (struct t_irc_server *server, char *command,
+irc_protocol_cmd_432 (struct t_irc_server *server, const char *command,
                       int argc, char **argv, char **argv_eol)
 {
     int i, nick_found, nick_to_use;
@@ -3864,7 +3864,7 @@ irc_protocol_cmd_432 (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_433 (struct t_irc_server *server, char *command,
+irc_protocol_cmd_433 (struct t_irc_server *server, const char *command,
                       int argc, char **argv, char **argv_eol)
 {
     int i, nick_found, nick_to_use;
@@ -3922,7 +3922,7 @@ irc_protocol_cmd_433 (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_cmd_438 (struct t_irc_server *server, char *command,
+irc_protocol_cmd_438 (struct t_irc_server *server, const char *command,
                       int argc, char **argv, char **argv_eol)
 {
     /* 438 message looks like:
@@ -3959,7 +3959,7 @@ irc_protocol_cmd_438 (struct t_irc_server *server, char *command,
  */
 
 int
-irc_protocol_is_numeric_command (char *str)
+irc_protocol_is_numeric_command (const char *str)
 {
     while (str && str[0])
     {
@@ -3979,14 +3979,16 @@ irc_protocol_is_numeric_command (char *str)
  */
 
 void
-irc_protocol_recv_command (struct t_irc_server *server, char *entire_line,
-                           char *host, char *command, char *arguments)
+irc_protocol_recv_command (struct t_irc_server *server, const char *entire_line,
+                           const char *host, const char *command,
+                           const char *arguments)
 {
     int i, cmd_found, return_code, argc, decode_color;
     char *pos, *nick;
     char *dup_entire_line, *dup_host, *dup_arguments, *irc_message;
     t_irc_recv_func *cmd_recv_func;
-    char *cmd_name, **argv, **argv_eol;
+    const char *cmd_name;
+    char **argv, **argv_eol;
     struct t_irc_protocol_msg irc_protocol_messages[] =
         { { "error", N_("error received from IRC server"), 1, &irc_protocol_cmd_error },
           { "invite", N_("invite a nick on a channel"), 1, &irc_protocol_cmd_invite },

src/plugins/irc/irc-protocol.h

@@ -44,7 +44,7 @@
 
 struct t_irc_server;
 
-typedef int (t_irc_recv_func)(struct t_irc_server *server, char *comand,
+typedef int (t_irc_recv_func)(struct t_irc_server *server, const char *comand,
                               int argc, char **argv, char **argv_eol);
 
 struct t_irc_protocol_msg
@@ -56,7 +56,8 @@ struct t_irc_protocol_msg
 };
 
 extern void irc_protocol_recv_command (struct t_irc_server *server,
-                                       char *entire_line, char *host,
-                                       char *command, char *arguments);
+                                       const char *entire_line,
+                                       const char *host, const char *command,
+                                       const char *arguments);
 
 #endif /* irc-protocol.h */

src/plugins/irc/irc-server.c

@@ -53,7 +53,7 @@ struct t_irc_message *irc_msgq_last_msg = NULL;
  */
 
 void
-irc_server_set_addresses (struct t_irc_server *server, char *addresses)
+irc_server_set_addresses (struct t_irc_server *server, const char *addresses)
 {
     int i;
     char *pos, *error;
@@ -113,7 +113,7 @@ irc_server_set_addresses (struct t_irc_server *server, char *addresses)
  */
 
 void
-irc_server_set_nicks (struct t_irc_server *server, char *nicks)
+irc_server_set_nicks (struct t_irc_server *server, const char *nicks)
 {
     /* free data */
     if (server->nicks)
@@ -224,7 +224,7 @@ irc_server_set_with_option (struct t_irc_server *server,
  */
 
 void
-irc_server_set_nick (struct t_irc_server *server, char *nick)
+irc_server_set_nick (struct t_irc_server *server, const char *nick)
 {
     struct t_irc_channel *ptr_channel;
     
@@ -323,7 +323,7 @@ irc_server_init (struct t_irc_server *server)
  */
 
 struct t_irc_server *
-irc_server_alloc (char *name)
+irc_server_alloc (const char *name)
 {
     struct t_irc_server *new_server;
     
@@ -363,41 +363,51 @@ irc_server_alloc (char *name)
  */
 
 int
-irc_server_alloc_with_url (char *irc_url)
+irc_server_alloc_with_url (const char *irc_url)
 {
-    char *url, *pos_server, *pos_channel, *pos, *pos2;
+    char *irc_url2, *url, *pos_server, *pos_channel, *pos, *pos2;
     char *password, *nick1, *nicks, *autojoin;
     int ipv6, ssl, length;
     struct t_irc_server *ptr_server;
     
+    irc_url2 = strdup (irc_url);
+    if (!irc_url2)
+        return 0;
+    
     ipv6 = 0;
     ssl = 0;
     password = NULL;
     nick1 = NULL;
     autojoin = NULL;
-    if (weechat_strncasecmp (irc_url, "irc6://", 7) == 0)
+    
+    if (weechat_strncasecmp (irc_url2, "irc6://", 7) == 0)
     {
-        pos = irc_url + 7;
+        pos = irc_url2 + 7;
         ipv6 = 1;
     }
-    else if (weechat_strncasecmp (irc_url, "ircs://", 7) == 0)
+    else if (weechat_strncasecmp (irc_url2, "ircs://", 7) == 0)
     {
-        pos = irc_url + 7;
+        pos = irc_url2 + 7;
         ssl = 1;
     }
-    else if ((weechat_strncasecmp (irc_url, "irc6s://", 8) == 0)
-        || (weechat_strncasecmp (irc_url, "ircs6://", 8) == 0))
+    else if ((weechat_strncasecmp (irc_url2, "irc6s://", 8) == 0)
+        || (weechat_strncasecmp (irc_url2, "ircs6://", 8) == 0))
     {
-        pos = irc_url + 8;
+        pos = irc_url2 + 8;
         ipv6 = 1;
         ssl = 1;
     }
-    else if (weechat_strncasecmp (irc_url, "irc://", 6) == 0)
+    else if (weechat_strncasecmp (irc_url2, "irc://", 6) == 0)
     {
-        pos = irc_url + 6;
+        pos = irc_url2 + 6;
     }
     else
+    {
+        free (irc_url2);
         return 0;
+    }
+    
+    free (irc_url2);
     
     url = strdup (pos);
     pos_server = strchr (url, '@');
@@ -487,8 +497,8 @@ irc_server_alloc_with_url (char *irc_url)
  */
 
 void
-irc_server_outqueue_add (struct t_irc_server *server, char *msg1, char *msg2,
-                         int modified)
+irc_server_outqueue_add (struct t_irc_server *server, const char *msg1,
+                         const char *msg2, int modified)
 {
     struct t_irc_outqueue *new_outqueue;
 
@@ -657,12 +667,12 @@ irc_server_free_all ()
  */
 
 struct t_irc_server *
-irc_server_new (char *name, int autoconnect, int autoreconnect,
-                int autoreconnect_delay, int temp_server, char *addresses,
-                int ipv6, int ssl, char *password, char *nicks,
-                char *username, char *realname, char *local_hostname,
-                char *command, int command_delay, char *autojoin,
-                int autorejoin, char *notify_levels)
+irc_server_new (const char *name, int autoconnect, int autoreconnect,
+                int autoreconnect_delay, int temp_server, const char *addresses,
+                int ipv6, int ssl, const char *password, const char *nicks,
+                const char *username, const char *realname, const char *local_hostname,
+                const char *command, int command_delay, const char *autojoin,
+                int autorejoin, const char *notify_levels)
 {
     struct t_irc_server *new_server;
     
@@ -725,7 +735,7 @@ irc_server_new (char *name, int autoconnect, int autoreconnect,
  */
 
 struct t_irc_server *
-irc_server_duplicate (struct t_irc_server *server, char *new_name)
+irc_server_duplicate (struct t_irc_server *server, const char *new_name)
 {
     struct t_irc_server *new_server;
     
@@ -762,7 +772,7 @@ irc_server_duplicate (struct t_irc_server *server, char *new_name)
  */
 
 int
-irc_server_rename (struct t_irc_server *server, char *new_name)
+irc_server_rename (struct t_irc_server *server, const char *new_name)
 {
     int length;
     char *option_name, *name, *pos_option;
@@ -820,7 +830,7 @@ irc_server_rename (struct t_irc_server *server, char *new_name)
  */
 
 int
-irc_server_send (struct t_irc_server *server, char *buffer, int size_buf)
+irc_server_send (struct t_irc_server *server, const char *buffer, int size_buf)
 {
     int rc;
     
@@ -912,10 +922,10 @@ irc_server_outqueue_send (struct t_irc_server *server)
  */
 
 void
-irc_server_parse_message (char *message, char **nick, char **host,
+irc_server_parse_message (const char *message, char **nick, char **host,
                           char **command, char **channel, char **arguments)
 {
-    char *pos, *pos2, *pos3, *pos4;
+    const char *pos, *pos2, *pos3, *pos4;
 
     if (nick)
         *nick = NULL;
@@ -1029,10 +1039,11 @@ irc_server_parse_message (char *message, char **nick, char **host,
  */
 
 int
-irc_server_send_one_msg (struct t_irc_server *server, char *message)
+irc_server_send_one_msg (struct t_irc_server *server, const char *message)
 {
     static char buffer[4096];
-    char *new_msg, *ptr_msg, *pos, *nick, *command, *channel;
+    const char *ptr_msg;
+    char *new_msg, *pos, *nick, *command, *channel;
     char *ptr_chan_nick, *msg_encoded;
     char str_modifier[64], modifier_data[256];
     int rc, queue, first_message;
@@ -1160,7 +1171,7 @@ irc_server_send_one_msg (struct t_irc_server *server, char *message)
  */
 
 void
-irc_server_sendf (struct t_irc_server *server, char *format, ...)
+irc_server_sendf (struct t_irc_server *server, const char *format, ...)
 {
     va_list args;
     static char buffer[4096];
@@ -1189,7 +1200,7 @@ irc_server_sendf (struct t_irc_server *server, char *format, ...)
  */
 
 void
-irc_server_msgq_add_msg (struct t_irc_server *server, char *msg)
+irc_server_msgq_add_msg (struct t_irc_server *server, const char *msg)
 {
     struct t_irc_message *message;
     
@@ -1246,7 +1257,7 @@ irc_server_msgq_add_msg (struct t_irc_server *server, char *msg)
  */
 
 void
-irc_server_msgq_add_unterminated (struct t_irc_server *server, char *string)
+irc_server_msgq_add_unterminated (struct t_irc_server *server, const char *string)
 {
     if (!string[0])
         return;
@@ -1285,7 +1296,7 @@ irc_server_msgq_add_unterminated (struct t_irc_server *server, char *string)
  */
 
 void
-irc_server_msgq_add_buffer (struct t_irc_server *server, char *buffer)
+irc_server_msgq_add_buffer (struct t_irc_server *server, const char *buffer)
 {
     char *pos_cr, *pos_lf;
 
@@ -2135,7 +2146,7 @@ irc_server_autojoin_channels (struct t_irc_server *server)
  */
 
 struct t_irc_server *
-irc_server_search (char *server_name)
+irc_server_search (const char *server_name)
 {
     struct t_irc_server *ptr_server;
     
@@ -2286,7 +2297,7 @@ irc_server_check_away ()
  */
 
 void
-irc_server_set_away (struct t_irc_server *server, char *nick, int is_away)
+irc_server_set_away (struct t_irc_server *server, const char *nick, int is_away)
 {
     struct t_irc_channel *ptr_channel;
     
@@ -2364,8 +2375,8 @@ irc_server_set_default_notify_level (struct t_irc_server *server, int notify)
  */
 
 int
-irc_server_xfer_send_ready_cb (void *data, char *signal, char *type_data,
-                               void *signal_data)
+irc_server_xfer_send_ready_cb (void *data, const char *signal,
+                               const char *type_data, void *signal_data)
 {
     struct t_plugin_infolist *infolist;
     struct t_irc_server *server, *ptr_server;
@@ -2437,8 +2448,8 @@ irc_server_xfer_send_ready_cb (void *data, char *signal, char *type_data,
  */
 
 int
-irc_server_xfer_resume_ready_cb (void *data, char *signal, char *type_data,
-                                 void *signal_data)
+irc_server_xfer_resume_ready_cb (void *data, const char *signal,
+                                 const char *type_data, void *signal_data)
 {
     struct t_plugin_infolist *infolist;
     struct t_irc_server *server, *ptr_server;
@@ -2493,8 +2504,9 @@ irc_server_xfer_resume_ready_cb (void *data, char *signal, char *type_data,
  */
 
 int
-irc_server_xfer_send_accept_resume_cb (void *data, char *signal,
-                                       char *type_data, void *signal_data)
+irc_server_xfer_send_accept_resume_cb (void *data, const char *signal,
+                                       const char *type_data,
+                                       void *signal_data)
 {
     struct t_plugin_infolist *infolist;
     struct t_irc_server *server, *ptr_server;

src/plugins/irc/irc-server.h

@@ -137,41 +137,41 @@ extern struct t_irc_message *irc_recv_msgq, *irc_msgq_last_msg;
 
 
 extern void irc_server_set_addresses (struct t_irc_server *server,
-                                      char *addresses);
-extern void irc_server_set_nicks (struct t_irc_server *server, char *nicks);
+                                      const char *addresses);
+extern void irc_server_set_nicks (struct t_irc_server *server, const char *nicks);
 extern void irc_server_set_with_option (struct t_irc_server *server,
                                         int index_option,
                                         struct t_config_option *option);
 extern void irc_server_init (struct t_irc_server *server);
-extern struct t_irc_server *irc_server_alloc (char *name);
-extern int irc_server_alloc_with_url (char *irc_url);
-extern struct t_irc_server *irc_server_new (char *name, int autoconnect,
+extern struct t_irc_server *irc_server_alloc (const char *name);
+extern int irc_server_alloc_with_url (const char *irc_url);
+extern struct t_irc_server *irc_server_new (const char *name, int autoconnect,
                                             int autoreconnect,
                                             int autoreconnect_delay,
-                                            int temp_server, char *addresses,
+                                            int temp_server, const char *addresses,
                                             int ipv6, int ssl,
-                                            char *password, char *nicks,
-                                            char *username, char *realname,
-                                            char *hostname, char *command,
-                                            int command_delay, char *autojoin,
+                                            const char *password, const char *nicks,
+                                            const char *username, const char *realname,
+                                            const char *hostname, const char *command,
+                                            int command_delay, const char *autojoin,
                                             int autorejoin,
-                                            char *notify_levels);
+                                            const char *notify_levels);
 extern struct t_irc_server *irc_server_duplicate (struct t_irc_server *server,
-                                                  char *new_name);
-extern int irc_server_rename (struct t_irc_server *server, char *new_name);
-extern void irc_server_set_nick (struct t_irc_server *server, char *nick);
-extern struct t_irc_server *irc_server_search (char *server_name);
+                                                  const char *new_name);
+extern int irc_server_rename (struct t_irc_server *server, const char *new_name);
+extern void irc_server_set_nick (struct t_irc_server *server, const char *nick);
+extern struct t_irc_server *irc_server_search (const char *server_name);
 extern void irc_server_free_all ();
 extern int irc_server_connect (struct t_irc_server *server,
                                int disable_autojoin);
 extern void irc_server_auto_connect (int auto_connect, int temp_server);
 extern void irc_server_autojoin_channels ();
 extern int irc_server_timer_cb (void *data);
-extern void irc_server_sendf (struct t_irc_server *server, char *format, ...);
+extern void irc_server_sendf (struct t_irc_server *server, const char *format, ...);
 extern void irc_server_outqueue_free_all (struct t_irc_server *server);
 extern int irc_server_get_channel_count (struct t_irc_server *server);
 extern int irc_server_get_pv_count (struct t_irc_server *server);
-extern void irc_server_set_away (struct t_irc_server *server, char *nick,
+extern void irc_server_set_away (struct t_irc_server *server, const char *nick,
                                  int is_away);
 extern void irc_server_remove_away ();
 extern void irc_server_check_away ();
@@ -180,12 +180,12 @@ extern void irc_server_disconnect (struct t_irc_server *server, int reconnect);
 extern void irc_server_disconnect_all ();
 extern void irc_server_free (struct t_irc_server *server);
 extern void irc_server_free_data (struct t_irc_server *server);
-extern int irc_server_xfer_send_ready_cb (void *data, char *signal,
-                                          char *type_data, void *signal_data);
-extern int irc_server_xfer_resume_ready_cb (void *data, char *signal,
-                                            char *type_data, void *signal_data);
-extern int irc_server_xfer_send_accept_resume_cb (void *data, char *signal,
-                                                  char *type_data,
+extern int irc_server_xfer_send_ready_cb (void *data, const char *signal,
+                                          const char *type_data, void *signal_data);
+extern int irc_server_xfer_resume_ready_cb (void *data, const char *signal,
+                                            const char *type_data, void *signal_data);
+extern int irc_server_xfer_send_accept_resume_cb (void *data, const char *signal,
+                                                  const char *type_data,
                                                   void *signal_data);
 extern void irc_server_print_log ();
 

src/plugins/irc/irc.c

@@ -51,7 +51,7 @@ struct t_hook *irc_hook_timer_check_away = NULL;
  */
 
 int
-irc_signal_quit_cb (void *data, char *signal, char *type_data,
+irc_signal_quit_cb (void *data, const char *signal, const char *type_data,
                     void *signal_data)
 {
     struct t_irc_server *ptr_server;

src/plugins/logger/logger-buffer.c

@@ -39,7 +39,7 @@ struct t_logger_buffer *last_logger_buffer = NULL;
  */
 
 struct t_logger_buffer *
-logger_buffer_add (struct t_gui_buffer *buffer, char *log_filename)
+logger_buffer_add (struct t_gui_buffer *buffer, const char *log_filename)
 {
     struct t_logger_buffer *new_logger_buffer;
     

src/plugins/logger/logger-buffer.h

@@ -34,7 +34,7 @@ extern struct t_logger_buffer *logger_buffers;
 extern struct t_logger_buffer *last_logger_buffer;
 
 extern struct t_logger_buffer *logger_buffer_add (struct t_gui_buffer *,
-                                                  char *log_filename);
+                                                  const char *log_filename);
 extern struct t_logger_buffer *logger_buffer_search (struct t_gui_buffer *buffer);
 extern void logger_buffer_free (struct t_logger_buffer *logger_buffer);
 extern void logger_buffer_free_all ();

src/plugins/logger/logger-tail.c

@@ -42,12 +42,12 @@
  */
 
 char *
-logger_tail_last_eol (char *string_start, char *string_ptr)
+logger_tail_last_eol (const char *string_start, const char *string_ptr)
 {
     while (string_ptr >= string_start)
     {
         if ((string_ptr[0] == '\n') || (string_ptr[0] == '\r'))
-            return string_ptr;
+            return (char *)string_ptr;
         string_ptr--;
     }
     
@@ -60,7 +60,7 @@ logger_tail_last_eol (char *string_start, char *string_ptr)
  */
 
 struct t_logger_line *
-logger_tail_file (char *filename, int n_lines)
+logger_tail_file (const char *filename, int n_lines)
 {
     int fd;
     off_t file_length, file_pos;

src/plugins/logger/logger-tail.h

@@ -26,7 +26,8 @@ struct t_logger_line
     struct t_logger_line *next_line;   /* link to next line                 */
 };
 
-extern struct t_logger_line *logger_tail_file (char *filename, int n_lines);
+extern struct t_logger_line *logger_tail_file (const char *filename,
+                                               int n_lines);
 extern void logger_tail_free (struct t_logger_line *lines);
 
 #endif /* logger-tail.h */

src/plugins/logger/logger.c

@@ -280,7 +280,8 @@ logger_get_filename (struct t_gui_buffer *buffer)
  */
 
 void
-logger_write_line (struct t_logger_buffer *logger_buffer, char *format, ...)
+logger_write_line (struct t_logger_buffer *logger_buffer,
+                   const char *format, ...)
 {
     va_list argptr;
     char *buf, *charset, *message;
@@ -460,8 +461,8 @@ logger_stop_all ()
  */
 
 int
-logger_buffer_open_signal_cb (void *data, char *signal, char *type_data,
-                              void *signal_data)
+logger_buffer_open_signal_cb (void *data, const char *signal,
+                              const char *type_data, void *signal_data)
 {
     /* make C compiler happy */
     (void) data;
@@ -478,8 +479,8 @@ logger_buffer_open_signal_cb (void *data, char *signal, char *type_data,
  */
 
 int
-logger_buffer_closing_signal_cb (void *data, char *signal, char *type_data,
-                                 void *signal_data)
+logger_buffer_closing_signal_cb (void *data, const char *signal,
+                                 const char *type_data, void *signal_data)
 {
     /* make C compiler happy */
     (void) data;
@@ -496,7 +497,7 @@ logger_buffer_closing_signal_cb (void *data, char *signal, char *type_data,
  */
 
 void
-logger_backlog (struct t_gui_buffer *buffer, char *filename, int lines)
+logger_backlog (struct t_gui_buffer *buffer, const char *filename, int lines)
 {
     struct t_logger_line *last_lines, *ptr_lines;
     char *pos_message, *error;
@@ -547,8 +548,8 @@ logger_backlog (struct t_gui_buffer *buffer, char *filename, int lines)
  */
 
 int
-logger_backlog_signal_cb (void *data, char *signal, char *type_data,
-                          void *signal_data)
+logger_backlog_signal_cb (void *data, const char *signal,
+                          const char *type_data, void *signal_data)
 {
     struct t_logger_buffer *ptr_logger_buffer;
     
@@ -581,7 +582,7 @@ logger_backlog_signal_cb (void *data, char *signal, char *type_data,
  */
 
 int
-logger_start_signal_cb (void *data, char *signal, char *type_data,
+logger_start_signal_cb (void *data, const char *signal, const char *type_data,
                         void *signal_data)
 {
     /* make C compiler happy */
@@ -599,7 +600,7 @@ logger_start_signal_cb (void *data, char *signal, char *type_data,
  */
 
 int
-logger_stop_signal_cb (void *data, char *signal, char *type_data,
+logger_stop_signal_cb (void *data, const char *signal, const char *type_data,
                        void *signal_data)
 {
     struct t_logger_buffer *ptr_logger_buffer;
@@ -623,7 +624,7 @@ logger_stop_signal_cb (void *data, char *signal, char *type_data,
 int
 logger_print_cb (void *data, struct t_gui_buffer *buffer, time_t date,
                  int tags_count, char **tags,
-                 char *prefix, char *message)
+                 const char *prefix, const char *message)
 {
     struct t_logger_buffer *ptr_logger_buffer;
     struct tm *date_tmp;
@@ -661,7 +662,7 @@ logger_print_cb (void *data, struct t_gui_buffer *buffer, time_t date,
  */
 
 int
-logger_config_cb (void *data, char *option, char *value)
+logger_config_cb (void *data, const char *option, const char *value)
 {
     /* make C compiler happy */
     (void) data;

src/plugins/plugin-api.c

@@ -54,7 +54,7 @@
  */
 
 void
-plugin_api_charset_set (struct t_weechat_plugin *plugin, char *charset)
+plugin_api_charset_set (struct t_weechat_plugin *plugin, const char *charset)
 {
     if (!plugin || !charset)
         return;
@@ -70,7 +70,7 @@ plugin_api_charset_set (struct t_weechat_plugin *plugin, char *charset)
  */
 
 char *
-plugin_api_gettext (char *string)
+plugin_api_gettext (const char *string)
 {
     return _(string);
 }
@@ -80,7 +80,7 @@ plugin_api_gettext (char *string)
  */
 
 char *
-plugin_api_ngettext (char *single, char *plural, int count)
+plugin_api_ngettext (const char *single, const char *plural, int count)
 {
     return NG_(single, plural, count);
 }
@@ -91,7 +91,7 @@ plugin_api_ngettext (char *single, char *plural, int count)
  */
 
 int
-plugin_api_mkdir_home (char *directory, int mode)
+plugin_api_mkdir_home (const char *directory, int mode)
 {
     char *dir_name;
     int dir_length;
@@ -126,7 +126,7 @@ plugin_api_mkdir_home (char *directory, int mode)
  */
 
 int
-plugin_api_mkdir (char *directory, int mode)
+plugin_api_mkdir (const char *directory, int mode)
 {
     if (!directory)
         return 0;
@@ -145,7 +145,7 @@ plugin_api_mkdir (char *directory, int mode)
  */
 
 struct t_config_option *
-plugin_api_config_get (char *option_name)
+plugin_api_config_get (const char *option_name)
 {
     struct t_config_option *ptr_option;
     
@@ -160,7 +160,7 @@ plugin_api_config_get (char *option_name)
 
 char *
 plugin_api_config_get_plugin (struct t_weechat_plugin *plugin,
-                              char *option_name)
+                              const char *option_name)
 {
     struct t_config_option *ptr_option;
     
@@ -181,7 +181,7 @@ plugin_api_config_get_plugin (struct t_weechat_plugin *plugin,
 
 int
 plugin_api_config_set_plugin (struct t_weechat_plugin *plugin,
-                              char *option_name, char *value)
+                              const char *option_name, const char *value)
 {
     if (!plugin || !option_name)
         return 0;
@@ -197,7 +197,7 @@ plugin_api_config_set_plugin (struct t_weechat_plugin *plugin,
  */
 
 char *
-plugin_api_prefix (char *prefix)
+plugin_api_prefix (const char *prefix)
 {
     if (!prefix)
         return gui_chat_prefix_empty;
@@ -221,7 +221,7 @@ plugin_api_prefix (char *prefix)
  */
 
 char *
-plugin_api_color (char *color_name)
+plugin_api_color (const char *color_name)
 {
     int num_color, fg, bg;
     static char color[20][16];
@@ -328,7 +328,7 @@ plugin_api_color (char *color_name)
 
 void
 plugin_api_infobar_printf (struct t_weechat_plugin *plugin, int delay,
-                           char *color_name, char *format, ...)
+                           const char *color_name, const char *format, ...)
 {
     va_list argptr;
     static char buf[1024];
@@ -385,7 +385,7 @@ plugin_api_infobar_remove (int how_many)
 
 void
 plugin_api_command (struct t_weechat_plugin *plugin,
-                    struct t_gui_buffer *buffer, char *command)
+                    struct t_gui_buffer *buffer, const char *command)
 {
     char *command2;
     
@@ -405,7 +405,7 @@ plugin_api_command (struct t_weechat_plugin *plugin,
  */
 
 char *
-plugin_api_info_get (struct t_weechat_plugin *plugin, char *info)
+plugin_api_info_get (struct t_weechat_plugin *plugin, const char *info)
 {
     time_t inactivity;
     static char value[32];
@@ -730,7 +730,7 @@ plugin_api_infolist_get_add_window (struct t_plugin_infolist *infolist,
 
 int
 plugin_api_infolist_get_add_options (struct t_plugin_infolist *infolist,
-                                     char *option_name)
+                                     const char *option_name)
 {
     struct t_config_file *ptr_config;
     struct t_config_section *ptr_section;
@@ -930,7 +930,7 @@ plugin_api_infolist_get_add_options (struct t_plugin_infolist *infolist,
  */
 
 struct t_plugin_infolist *
-plugin_api_infolist_get (char *name, void *pointer, char *arguments)
+plugin_api_infolist_get (const char *name, void *pointer, const char *arguments)
 {
     struct t_plugin_infolist *ptr_infolist;
     struct t_gui_buffer *ptr_buffer;
@@ -1140,7 +1140,7 @@ plugin_api_infolist_fields (struct t_plugin_infolist *infolist)
  */
 
 int
-plugin_api_infolist_integer (struct t_plugin_infolist *infolist, char *var)
+plugin_api_infolist_integer (struct t_plugin_infolist *infolist, const char *var)
 {
     if (!infolist || !plugin_infolist_valid (infolist)
         || !((struct t_plugin_infolist *)infolist)->ptr_item)
@@ -1154,7 +1154,7 @@ plugin_api_infolist_integer (struct t_plugin_infolist *infolist, char *var)
  */
 
 char *
-plugin_api_infolist_string (struct t_plugin_infolist *infolist, char *var)
+plugin_api_infolist_string (struct t_plugin_infolist *infolist, const char *var)
 {
     if (!infolist || !plugin_infolist_valid (infolist)
         || !((struct t_plugin_infolist *)infolist)->ptr_item)
@@ -1168,7 +1168,7 @@ plugin_api_infolist_string (struct t_plugin_infolist *infolist, char *var)
  */
 
 void *
-plugin_api_infolist_pointer (struct t_plugin_infolist *infolist, char *var)
+plugin_api_infolist_pointer (struct t_plugin_infolist *infolist, const char *var)
 {
     if (!infolist || !plugin_infolist_valid (infolist)
         || !((struct t_plugin_infolist *)infolist)->ptr_item)
@@ -1182,7 +1182,7 @@ plugin_api_infolist_pointer (struct t_plugin_infolist *infolist, char *var)
  */
 
 time_t
-plugin_api_infolist_time (struct t_plugin_infolist *infolist, char *var)
+plugin_api_infolist_time (struct t_plugin_infolist *infolist, const char *var)
 {
     if (!infolist || !plugin_infolist_valid (infolist)
         || !((struct t_plugin_infolist *)infolist)->ptr_item)

src/plugins/plugin-api.h

@@ -22,51 +22,52 @@
 
 /* strings */
 extern void plugin_api_charset_set (struct t_weechat_plugin *plugin,
-                                    char *charset);
-extern char *plugin_api_gettext (char *string);
-extern char *plugin_api_ngettext (char *single, char *plural, int count);
+                                    const char *charset);
+extern char *plugin_api_gettext (const char *string);
+extern char *plugin_api_ngettext (const char *single, const char *plural,
+                                  int count);
 
 /* directories */
-extern int plugin_api_mkdir_home (char *directory, int mode);
-extern int plugin_api_mkdir (char *directory, int mode);
+extern int plugin_api_mkdir_home (const char *directory, int mode);
+extern int plugin_api_mkdir (const char *directory, int mode);
 
 /* config */
-extern struct t_config_option *plugin_api_config_get (char *option_name);
+extern struct t_config_option *plugin_api_config_get (const char *option_name);
 extern char *plugin_api_config_get_plugin (struct t_weechat_plugin *plugin,
-                                           char *option_name);
+                                           const char *option_name);
 extern int plugin_api_config_set_plugin (struct t_weechat_plugin *plugin,
-                                         char *option_name, char *value);
+                                         const char *option_name, const char *value);
 
 /* display */
-extern char *plugin_api_prefix (char *prefix);
-extern char *plugin_api_color (char *color_name);
+extern char *plugin_api_prefix (const char *prefix);
+extern char *plugin_api_color (const char *color_name);
 extern void plugin_api_infobar_printf (struct t_weechat_plugin *plugin,
-                                       int delay, char *color_name,
-                                       char *format, ...);
+                                       int delay, const char *color_name,
+                                       const char *format, ...);
 extern void plugin_api_infobar_remove (int how_many);
 
 /* command */
 extern void plugin_api_command (struct t_weechat_plugin *plugin,
-                                struct t_gui_buffer *buffer, char *command);
+                                struct t_gui_buffer *buffer, const char *command);
 
 /* infos */
-extern char *plugin_api_info_get (struct t_weechat_plugin *plugin, char *info);
+extern char *plugin_api_info_get (struct t_weechat_plugin *plugin, const char *info);
 
 /* infolists */
-extern struct t_plugin_infolist *plugin_api_infolist_get (char *name,
+extern struct t_plugin_infolist *plugin_api_infolist_get (const char *name,
                                                           void *pointer,
-                                                          char *arguments);
+                                                          const char *arguments);
 extern int plugin_api_infolist_next (struct t_plugin_infolist *infolist);
 extern int plugin_api_infolist_prev (struct t_plugin_infolist *infolist);
 extern char *plugin_api_infolist_fields (struct t_plugin_infolist *infolist);
 extern int plugin_api_infolist_integer (struct t_plugin_infolist *infolist,
-                                        char *var);
+                                        const char *var);
 extern char *plugin_api_infolist_string (struct t_plugin_infolist *infolist,
-                                         char *var);
+                                         const char *var);
 extern void *plugin_api_infolist_pointer (struct t_plugin_infolist *infolist,
-                                          char *var);
+                                          const char *var);
 extern time_t plugin_api_infolist_time (struct t_plugin_infolist *infolist,
-                                        char *var);
+                                        const char *var);
 extern void plugin_api_infolist_free (struct t_plugin_infolist *infolist);
 
 #endif /* plugin-api.h */

src/plugins/plugin-config.c

@@ -48,7 +48,7 @@ struct t_config_section *plugin_config_section_var = NULL;
  */
 
 struct t_config_option *
-plugin_config_search (char *plugin_name, char *option_name)
+plugin_config_search (const char *plugin_name, const char *option_name)
 {
     int length;
     char *option_full_name;
@@ -77,7 +77,7 @@ plugin_config_search (char *plugin_name, char *option_name)
  */
 
 int
-plugin_config_set_internal (char *option, char *value)
+plugin_config_set_internal (const char *option, const char *value)
 {
     int rc;
     struct t_config_option *ptr_option;
@@ -108,7 +108,8 @@ plugin_config_set_internal (char *option, char *value)
  */
 
 int
-plugin_config_set (char *plugin_name, char *option_name, char *value)
+plugin_config_set (const char *plugin_name, const char *option_name,
+                   const char *value)
 {
     int length, rc;
     char *option_full_name;
@@ -153,7 +154,7 @@ plugin_config_reload (void *data, struct t_config_file *config_file)
 int
 plugin_config_create_option (void *data, struct t_config_file *config_file,
                              struct t_config_section *section,
-                             char *option_name, char *value)
+                             const char *option_name, const char *value)
 {
     struct t_config_option *ptr_option;
     

src/plugins/plugin-config.h

@@ -25,12 +25,12 @@
 extern struct t_config_file *plugin_config;
 extern struct t_config_option *plugin_options;
 
-extern struct t_config_option *plugin_config_search_internal (char *option_name);
-extern struct t_config_option *plugin_config_search (char *plugin_name,
-                                                     char *option_name);
-extern int plugin_config_set_internal (char *option, char *value);
-extern int plugin_config_set (char *plugin_name, char *option_name,
-                              char *value);
+extern struct t_config_option *plugin_config_search_internal (const char *option_name);
+extern struct t_config_option *plugin_config_search (const char *plugin_name,
+                                                     const char *option_name);
+extern int plugin_config_set_internal (const char *option, const char *value);
+extern int plugin_config_set (const char *plugin_name, const char *option_name,
+                              const char *value);
 extern void plugin_config_init ();
 extern int plugin_config_read ();
 extern int plugin_config_reload ();

src/plugins/plugin-infolist.c

@@ -98,7 +98,7 @@ plugin_infolist_new_item (struct t_plugin_infolist *list)
 
 struct t_plugin_infolist_var *
 plugin_infolist_new_var_integer (struct t_plugin_infolist_item *item,
-                                 char *name, int value)
+                                 const char *name, int value)
 {
     struct t_plugin_infolist_var *new_var;
     
@@ -132,7 +132,7 @@ plugin_infolist_new_var_integer (struct t_plugin_infolist_item *item,
 
 struct t_plugin_infolist_var *
 plugin_infolist_new_var_string (struct t_plugin_infolist_item *item,
-                                char *name, char *value)
+                                const char *name, const char *value)
 {
     struct t_plugin_infolist_var *new_var;
     
@@ -164,7 +164,7 @@ plugin_infolist_new_var_string (struct t_plugin_infolist_item *item,
 
 struct t_plugin_infolist_var *
 plugin_infolist_new_var_pointer (struct t_plugin_infolist_item *item,
-                                 char *name, void *pointer)
+                                 const char *name, void *pointer)
 {
     struct t_plugin_infolist_var *new_var;
     
@@ -196,7 +196,7 @@ plugin_infolist_new_var_pointer (struct t_plugin_infolist_item *item,
 
 struct t_plugin_infolist_var *
 plugin_infolist_new_var_time (struct t_plugin_infolist_item *item,
-                              char *name, time_t time)
+                              const char *name, time_t time)
 {
     struct t_plugin_infolist_var *new_var;
     
@@ -340,7 +340,7 @@ plugin_infolist_get_fields (struct t_plugin_infolist *list)
  */
 
 int
-plugin_infolist_get_integer (struct t_plugin_infolist *list, char *var)
+plugin_infolist_get_integer (struct t_plugin_infolist *list, const char *var)
 {
     struct t_plugin_infolist_var *ptr_var;
     
@@ -367,7 +367,7 @@ plugin_infolist_get_integer (struct t_plugin_infolist *list, char *var)
  */
 
 char *
-plugin_infolist_get_string (struct t_plugin_infolist *list, char *var)
+plugin_infolist_get_string (struct t_plugin_infolist *list, const char *var)
 {
     struct t_plugin_infolist_var *ptr_var;
     
@@ -394,7 +394,7 @@ plugin_infolist_get_string (struct t_plugin_infolist *list, char *var)
  */
 
 void *
-plugin_infolist_get_pointer (struct t_plugin_infolist *list, char *var)
+plugin_infolist_get_pointer (struct t_plugin_infolist *list, const char *var)
 {
     struct t_plugin_infolist_var *ptr_var;
     
@@ -421,7 +421,7 @@ plugin_infolist_get_pointer (struct t_plugin_infolist *list, char *var)
  */
 
 time_t
-plugin_infolist_get_time (struct t_plugin_infolist *list, char *var)
+plugin_infolist_get_time (struct t_plugin_infolist *list, const char *var)
 {
     struct t_plugin_infolist_var *ptr_var;
     

src/plugins/plugin-infolist.h

@@ -68,29 +68,29 @@ extern struct t_plugin_infolist *last_plugin_infolist;
 extern struct t_plugin_infolist *plugin_infolist_new ();
 extern struct t_plugin_infolist_item *plugin_infolist_new_item (struct t_plugin_infolist *list);
 extern struct t_plugin_infolist_var *plugin_infolist_new_var_integer (struct t_plugin_infolist_item *item,
-                                                                      char *name,
+                                                                      const char *name,
                                                                       int value);
 extern struct t_plugin_infolist_var *plugin_infolist_new_var_string (struct t_plugin_infolist_item *item,
-                                                                     char *name,
-                                                                     char *value);
+                                                                     const char *name,
+                                                                     const char *value);
 extern struct t_plugin_infolist_var *plugin_infolist_new_var_pointer (struct t_plugin_infolist_item *item,
-                                                                      char *name,
+                                                                      const char *name,
                                                                       void *pointer);
 extern struct t_plugin_infolist_var *plugin_infolist_new_var_time (struct t_plugin_infolist_item *item,
-                                                                   char *name,
+                                                                   const char *name,
                                                                    time_t time);
 extern int plugin_infolist_valid (struct t_plugin_infolist *list);
 extern struct t_plugin_infolist_item *plugin_infolist_next_item (struct t_plugin_infolist *list);
 extern struct t_plugin_infolist_item *plugin_infolist_prev_item (struct t_plugin_infolist *list);
 extern char *plugin_infolist_get_fields (struct t_plugin_infolist *list);
 extern int plugin_infolist_get_integer (struct t_plugin_infolist *list,
-                                        char *var);
+                                        const char *var);
 extern char *plugin_infolist_get_string (struct t_plugin_infolist *list,
-                                         char *var);
+                                         const char *var);
 extern void *plugin_infolist_get_pointer (struct t_plugin_infolist *list,
-                                          char *var);
+                                          const char *var);
 extern time_t plugin_infolist_get_time (struct t_plugin_infolist *list,
-                                        char *var);
+                                        const char *var);
 extern void plugin_infolist_free (struct t_plugin_infolist *list);
 extern void plugin_infolist_print_log ();
 

src/plugins/plugin.c

@@ -65,7 +65,7 @@ char **plugin_argv;                    /* first time loading plugin)        */
  */
 
 struct t_weechat_plugin *
-plugin_search (char *name)
+plugin_search (const char *name)
 {
     struct t_weechat_plugin *ptr_plugin;
     
@@ -86,7 +86,7 @@ plugin_search (char *name)
  */
 
 struct t_weechat_plugin *
-plugin_load (char *filename)
+plugin_load (const char *filename)
 {
     char *ptr_home, *full_name, *full_name2;
     void *handle;
@@ -517,7 +517,7 @@ plugin_load (char *filename)
  */
 
 int
-plugin_auto_load_file (void *plugin, char *filename)
+plugin_auto_load_file (void *plugin, const char *filename)
 {
     char *pos;
     
@@ -716,7 +716,7 @@ plugin_unload (struct t_weechat_plugin *plugin)
  */
 
 void
-plugin_unload_name (char *name)
+plugin_unload_name (const char *name)
 {
     struct t_weechat_plugin *ptr_plugin;
     
@@ -750,7 +750,7 @@ plugin_unload_all ()
  */
 
 void
-plugin_reload_name (char *name)
+plugin_reload_name (const char *name)
 {
     struct t_weechat_plugin *ptr_plugin;
     char *filename;

src/plugins/plugin.h

@@ -31,14 +31,14 @@ extern struct t_weechat_plugin *last_weechat_plugin;
 
 //extern t_plugin_irc_color plugins_irc_colors[GUI_NUM_IRC_COLORS];
 
-extern struct t_weechat_plugin *plugin_search (char *name);
-extern struct t_weechat_plugin *plugin_load (char *filename);
+extern struct t_weechat_plugin *plugin_search (const char *name);
+extern struct t_weechat_plugin *plugin_load (const char *filename);
 extern void plugin_auto_load ();
 extern void plugin_remove (struct t_weechat_plugin *plugin);
 extern void plugin_unload (struct t_weechat_plugin *plugin);
-extern void plugin_unload_name (char *name);
+extern void plugin_unload_name (const char *name);
 extern void plugin_unload_all ();
-extern void plugin_reload_name (char *name);
+extern void plugin_reload_name (const char *name);
 extern void plugin_init (int auto_load, int argc, char *argv[]);
 extern void plugin_end ();
 extern void plugin_print_log ();