234 lines
7.2 KiB
C
234 lines
7.2 KiB
C
/*
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* wee-hook-infolist.c - WeeChat infolist hook
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*
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* Copyright (C) 2003-2018 Sébastien Helleu <flashcode@flashtux.org>
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*
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* This file is part of WeeChat, the extensible chat client.
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*
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* WeeChat is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* WeeChat is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with WeeChat. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdlib.h>
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#include <string.h>
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#include "../weechat.h"
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#include "../wee-hook.h"
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#include "../wee-infolist.h"
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#include "../wee-log.h"
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#include "../wee-string.h"
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/*
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* Hooks an infolist.
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*
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* Returns pointer to new hook, NULL if error.
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*/
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struct t_hook *
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hook_infolist (struct t_weechat_plugin *plugin, const char *infolist_name,
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const char *description, const char *pointer_description,
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const char *args_description,
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t_hook_callback_infolist *callback,
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const void *callback_pointer,
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void *callback_data)
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{
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struct t_hook *new_hook;
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struct t_hook_infolist *new_hook_infolist;
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int priority;
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const char *ptr_infolist_name;
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if (!infolist_name || !infolist_name[0] || !callback)
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return NULL;
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new_hook = malloc (sizeof (*new_hook));
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if (!new_hook)
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return NULL;
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new_hook_infolist = malloc (sizeof (*new_hook_infolist));
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if (!new_hook_infolist)
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{
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free (new_hook);
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return NULL;
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}
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hook_get_priority_and_name (infolist_name, &priority, &ptr_infolist_name);
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hook_init_data (new_hook, plugin, HOOK_TYPE_INFOLIST, priority,
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callback_pointer, callback_data);
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new_hook->hook_data = new_hook_infolist;
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new_hook_infolist->callback = callback;
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new_hook_infolist->infolist_name = strdup ((ptr_infolist_name) ?
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ptr_infolist_name : infolist_name);
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new_hook_infolist->description = strdup ((description) ? description : "");
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new_hook_infolist->pointer_description = strdup ((pointer_description) ?
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pointer_description : "");
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new_hook_infolist->args_description = strdup ((args_description) ?
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args_description : "");
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hook_add_to_list (new_hook);
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return new_hook;
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}
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/*
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* Gets an infolist via infolist hook.
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*/
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struct t_infolist *
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hook_infolist_get (struct t_weechat_plugin *plugin, const char *infolist_name,
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void *pointer, const char *arguments)
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{
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struct t_hook *ptr_hook, *next_hook;
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struct t_infolist *value;
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/* make C compiler happy */
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(void) plugin;
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if (!infolist_name || !infolist_name[0])
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return NULL;
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hook_exec_start ();
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ptr_hook = weechat_hooks[HOOK_TYPE_INFOLIST];
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while (ptr_hook)
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{
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next_hook = ptr_hook->next_hook;
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if (!ptr_hook->deleted
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&& !ptr_hook->running
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&& (string_strcasecmp (HOOK_INFOLIST(ptr_hook, infolist_name),
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infolist_name) == 0))
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{
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ptr_hook->running = 1;
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value = (HOOK_INFOLIST(ptr_hook, callback))
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(ptr_hook->callback_pointer,
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ptr_hook->callback_data,
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infolist_name,
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pointer,
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arguments);
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ptr_hook->running = 0;
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hook_exec_end ();
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return value;
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}
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ptr_hook = next_hook;
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}
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hook_exec_end ();
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/* infolist not found */
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return NULL;
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}
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/*
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* Frees data in an infolist hook.
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*/
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void
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hook_infolist_free_data (struct t_hook *hook)
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{
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if (!hook || !hook->hook_data)
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return;
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if (HOOK_INFOLIST(hook, infolist_name))
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{
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free (HOOK_INFOLIST(hook, infolist_name));
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HOOK_INFOLIST(hook, infolist_name) = NULL;
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}
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if (HOOK_INFOLIST(hook, description))
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{
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free (HOOK_INFOLIST(hook, description));
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HOOK_INFOLIST(hook, description) = NULL;
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}
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if (HOOK_INFOLIST(hook, pointer_description))
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{
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free (HOOK_INFOLIST(hook, pointer_description));
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HOOK_INFOLIST(hook, pointer_description) = NULL;
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}
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if (HOOK_INFOLIST(hook, args_description))
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{
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free (HOOK_INFOLIST(hook, args_description));
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HOOK_INFOLIST(hook, args_description) = NULL;
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}
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free (hook->hook_data);
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hook->hook_data = NULL;
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}
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/*
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* Adds infolist hook data in the infolist item.
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*
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* Returns:
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* 1: OK
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* 0: error
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*/
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int
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hook_infolist_add_to_infolist (struct t_infolist_item *item,
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struct t_hook *hook)
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{
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if (!item || !hook || !hook->hook_data)
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return 0;
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if (!infolist_new_var_pointer (item, "callback", HOOK_INFOLIST(hook, callback)))
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return 0;
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if (!infolist_new_var_string (item, "infolist_name", HOOK_INFOLIST(hook, infolist_name)))
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return 0;
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if (!infolist_new_var_string (item, "description", HOOK_INFOLIST(hook, description)))
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return 0;
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if (!infolist_new_var_string (item, "description_nls",
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(HOOK_INFOLIST(hook, description)
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&& HOOK_INFOLIST(hook, description)[0]) ?
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_(HOOK_INFOLIST(hook, description)) : ""))
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return 0;
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if (!infolist_new_var_string (item, "pointer_description", HOOK_INFOLIST(hook, pointer_description)))
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return 0;
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if (!infolist_new_var_string (item, "pointer_description_nls",
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(HOOK_INFOLIST(hook, pointer_description)
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&& HOOK_INFOLIST(hook, pointer_description)[0]) ?
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_(HOOK_INFOLIST(hook, pointer_description)) : ""))
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return 0;
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if (!infolist_new_var_string (item, "args_description", HOOK_INFOLIST(hook, args_description)))
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return 0;
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if (!infolist_new_var_string (item, "args_description_nls",
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(HOOK_INFOLIST(hook, args_description)
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&& HOOK_INFOLIST(hook, args_description)[0]) ?
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_(HOOK_INFOLIST(hook, args_description)) : ""))
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return 0;
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return 1;
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}
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/*
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* Prints infolist hook data in WeeChat log file (usually for crash dump).
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*/
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void
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hook_infolist_print_log (struct t_hook *hook)
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{
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if (!hook || !hook->hook_data)
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return;
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log_printf (" infolist data:");
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log_printf (" callback. . . . . . . : 0x%lx", HOOK_INFOLIST(hook, callback));
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log_printf (" infolist_name . . . . : '%s'", HOOK_INFOLIST(hook, infolist_name));
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log_printf (" description . . . . . : '%s'", HOOK_INFOLIST(hook, description));
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log_printf (" pointer_description . : '%s'", HOOK_INFOLIST(hook, pointer_description));
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log_printf (" args_description. . . : '%s'", HOOK_INFOLIST(hook, args_description));
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}
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