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weechat/src/core/core-debug.c
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/*
* core-debug.c - debug functions
*
* Copyright (C) 2003-2024 Sébastien Helleu <flashcode@flashtux.org>
*
* This file is part of WeeChat, the extensible chat client.
*
* WeeChat is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* WeeChat is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with WeeChat. If not, see <https://www.gnu.org/licenses/>.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#if defined(HAVE_MALLINFO) || defined(HAVE_MALLINFO2)
#include <malloc.h>
#endif
#include <string.h>
#include <time.h>
#include <sys/time.h>
#include <gcrypt.h>
#include <curl/curl.h>
#include <zlib.h>
#ifdef HAVE_ZSTD
#include <zstd.h>
#endif
#ifdef HAVE_CJSON
#include <cjson/cJSON.h>
#endif
#include <gnutls/gnutls.h>
#include "weechat.h"
#include "core-backtrace.h"
#include "core-config-file.h"
#include "core-hashtable.h"
#include "core-hdata.h"
#include "core-hook.h"
#include "core-infolist.h"
#include "core-list.h"
#include "core-log.h"
#include "core-proxy.h"
#include "core-string.h"
#include "core-utf8.h"
#include "core-util.h"
#include "../gui/gui-bar.h"
#include "../gui/gui-bar-item.h"
#include "../gui/gui-buffer.h"
#include "../gui/gui-chat.h"
#include "../gui/gui-color.h"
#include "../gui/gui-completion.h"
#include "../gui/gui-filter.h"
#include "../gui/gui-hotlist.h"
#include "../gui/gui-key.h"
#include "../gui/gui-layout.h"
#include "../gui/gui-main.h"
#include "../gui/gui-window.h"
#include "../plugins/plugin.h"
int debug_dump_active = 0;
long long debug_long_callbacks = 0; /* callbacks taking more than */
/* N microseconds will be traced */
/*
* Writes dump of data to WeeChat log file.
*/
void
debug_dump (int crash)
{
/* prevent reentrancy */
if (debug_dump_active)
exit (EXIT_FAILURE);
if (crash)
{
debug_dump_active = 1;
log_printf ("Very bad, WeeChat is crashing (SIGSEGV received)...");
weechat_log_use_time = 0;
}
log_printf ("");
if (crash)
log_printf ("****** WeeChat CRASH DUMP ******");
else
log_printf ("****** WeeChat dump request ******");
gui_window_print_log ();
gui_buffer_print_log ();
gui_completion_print_log ();
gui_layout_print_log ();
gui_key_print_log (NULL);
gui_filter_print_log ();
gui_bar_print_log ();
gui_bar_item_print_log ();
gui_hotlist_print_log ();
hdata_print_log ();
infolist_print_log ();
hook_print_log ();
config_file_print_log ();
proxy_print_log ();
plugin_print_log ();
log_printf ("");
log_printf ("****** End of WeeChat dump ******");
log_printf ("");
}
/*
* Callback for signal "debug_dump".
*
* This function is called when WeeChat is crashing or when command
* "/debug dump" is issued.
*/
int
debug_dump_cb (const void *pointer, void *data,
const char *signal, const char *type_data,
void *signal_data)
{
/* make C compiler happy */
(void) pointer;
(void) data;
(void) signal;
(void) type_data;
if (!signal_data || (strcmp ((char *)signal_data, PLUGIN_CORE) == 0))
debug_dump (0);
return WEECHAT_RC_OK;
}
/*
* Callback for system signal SIGSEGV handler.
*
* Writes dump of data and backtrace to WeeChat log file, then exit.
*/
void
debug_sigsegv_cb ()
{
debug_dump (1);
unhook_all ();
gui_main_end (0);
string_fprintf (stderr,
"\n*** Very bad! WeeChat is crashing (SIGSEGV received)"
"\n");
if (!log_crash_rename ())
{
string_fprintf (stderr,
"*** Full crash dump was saved to %s/weechat.log file."
"\n",
weechat_state_dir);
}
string_fprintf (
stderr,
"***\n"
"*** Please help WeeChat developers to fix this bug:\n"
"***\n"
"*** 1. If you have a core file, please run: gdb /path/to/weechat core\n"
"*** then issue command: \"bt full\" and send result to developers.\n"
"*** See the user's guide for more info about enabling the core files\n"
"*** and reporting crashes:\n"
"*** https://weechat.org/doc/weechat/stable/user/#report_crashes\n"
"***\n"
"*** 2. Otherwise send the backtrace (below), only if it is a complete trace.\n"
"*** Keep the crash log file, just in case developers ask you some info\n"
"*** (be careful, private info like passwords may be in this file).\n\n");
weechat_backtrace ();
/* shutdown with error code */
weechat_shutdown (EXIT_FAILURE, 1);
}
/*
* Displays tree of windows (this function must not be called directly).
*/
void
debug_windows_tree_display (struct t_gui_window_tree *tree, int indent)
{
char format[128];
if (tree)
{
if (tree->window)
{
/* leaf */
snprintf (format,
sizeof (format),
"%%-%dsleaf: "
"%%p, "
"parent:%%p, "
"child1=%%p, "
"child2=%%p, "
"win=%%p "
"(%%d,%%d %%dx%%d %%d%%%%x%%d%%%%)",
indent * 2);
gui_chat_printf (NULL,
format,
" ",
tree,
tree->parent_node,
tree->child1,
tree->child2,
tree->window,
tree->window->win_x,
tree->window->win_y,
tree->window->win_width,
tree->window->win_height,
tree->window->win_width_pct,
tree->window->win_height_pct);
}
else
{
/* node */
snprintf (format,
sizeof (format),
"%%-%dsnode: "
"0x%%lx, "
"parent:%%p, "
"pct:%%d, "
"horizontal:%%d, "
"child1=%%p, "
"child2=%%p",
indent * 2);
gui_chat_printf (NULL,
format,
" ",
tree,
tree->parent_node,
tree->split_pct,
tree->split_horizontal,
tree->child1,
tree->child2);
}
if (tree->child1)
debug_windows_tree_display (tree->child1, indent + 1);
if (tree->child2)
debug_windows_tree_display (tree->child2, indent + 1);
}
}
/*
* Displays tree of windows.
*/
void
debug_windows_tree ()
{
gui_chat_printf (NULL, "");
gui_chat_printf (NULL, _("Windows tree:"));
debug_windows_tree_display (gui_windows_tree, 1);
}
/*
* Displays information about dynamic memory allocation.
*/
void
debug_memory ()
{
#ifdef HAVE_MALLINFO2
struct mallinfo2 info;
info = mallinfo2 ();
gui_chat_printf (NULL, "");
gui_chat_printf (NULL, _("Memory usage (see \"man mallinfo\" for help):"));
gui_chat_printf (NULL, " arena :%10zu", info.arena);
gui_chat_printf (NULL, " ordblks :%10zu", info.ordblks);
gui_chat_printf (NULL, " smblks :%10zu", info.smblks);
gui_chat_printf (NULL, " hblks :%10zu", info.hblks);
gui_chat_printf (NULL, " hblkhd :%10zu", info.hblkhd);
gui_chat_printf (NULL, " usmblks :%10zu", info.usmblks);
gui_chat_printf (NULL, " fsmblks :%10zu", info.fsmblks);
gui_chat_printf (NULL, " uordblks:%10zu", info.uordblks);
gui_chat_printf (NULL, " fordblks:%10zu", info.fordblks);
gui_chat_printf (NULL, " keepcost:%10zu", info.keepcost);
#else
#ifdef HAVE_MALLINFO
struct mallinfo info;
info = mallinfo ();
gui_chat_printf (NULL, "");
gui_chat_printf (NULL, _("Memory usage (see \"man mallinfo\" for help):"));
gui_chat_printf (NULL, " arena :%10d", info.arena);
gui_chat_printf (NULL, " ordblks :%10d", info.ordblks);
gui_chat_printf (NULL, " smblks :%10d", info.smblks);
gui_chat_printf (NULL, " hblks :%10d", info.hblks);
gui_chat_printf (NULL, " hblkhd :%10d", info.hblkhd);
gui_chat_printf (NULL, " usmblks :%10d", info.usmblks);
gui_chat_printf (NULL, " fsmblks :%10d", info.fsmblks);
gui_chat_printf (NULL, " uordblks:%10d", info.uordblks);
gui_chat_printf (NULL, " fordblks:%10d", info.fordblks);
gui_chat_printf (NULL, " keepcost:%10d", info.keepcost);
#else
gui_chat_printf (NULL,
_("Memory usage not available (function \"mallinfo\" not "
"found)"));
#endif /* HAVE_MALLINFO */
#endif /* HAVE_MALLINFO2 */
}
/*
* Callback called for each variable in hdata.
*/
void
debug_hdata_hash_var_map_cb (void *data,
struct t_hashtable *hashtable,
const void *key, const void *value)
{
struct t_weelist *list;
struct t_hdata_var *var;
char str_offset[16];
/* make C compiler happy */
(void) hashtable;
list = (struct t_weelist *)data;
var = (struct t_hdata_var *)value;
snprintf (str_offset, sizeof (str_offset), "%12d", var->offset);
weelist_add (list, str_offset, WEECHAT_LIST_POS_SORT, (void *)key);
}
/*
* Callback called for each list in hdata.
*/
void
debug_hdata_hash_list_map_cb (void *data,
struct t_hashtable *hashtable,
const void *key, const void *value)
{
/* make C compiler happy */
(void) data;
(void) hashtable;
gui_chat_printf (NULL,
" list: %s -> %p",
(char *)key,
*((void **)value));
}
/*
* Callback called for each hdata in memory.
*/
void
debug_hdata_map_cb (void *data,
struct t_hashtable *hashtable,
const void *key, const void *value)
{
struct t_hdata *ptr_hdata;
struct t_hdata_var *ptr_var;
struct t_weelist *list;
struct t_weelist_item *ptr_item;
/* make C compiler happy */
(void) data;
(void) hashtable;
ptr_hdata = (struct t_hdata *)value;
gui_chat_printf (NULL,
" hdata %p: \"%s\", %d vars, %d lists:",
ptr_hdata,
(const char *)key,
ptr_hdata->hash_var->items_count,
ptr_hdata->hash_list->items_count);
/* display lists */
hashtable_map (ptr_hdata->hash_list, &debug_hdata_hash_list_map_cb, NULL);
/* display vars */
list = weelist_new ();
hashtable_map (ptr_hdata->hash_var, &debug_hdata_hash_var_map_cb, list);
for (ptr_item = list->items; ptr_item;
ptr_item = ptr_item->next_item)
{
ptr_var = hashtable_get (ptr_hdata->hash_var, ptr_item->user_data);
if (ptr_var)
{
gui_chat_printf (NULL,
" %04d -> %s (%s%s%s%s%s%s)",
ptr_var->offset,
(char *)ptr_item->user_data,
hdata_type_string[(int)ptr_var->type],
(ptr_var->update_allowed) ? ", R/W" : "",
(ptr_var->array_size) ? ", array size: " : "",
(ptr_var->array_size) ? ptr_var->array_size : "",
(ptr_var->hdata_name) ? ", hdata: " : "",
(ptr_var->hdata_name) ? ptr_var->hdata_name : "");
}
}
weelist_free (list);
}
/*
* Displays a list of hdata in memory.
*/
void
debug_hdata ()
{
int count;
count = weechat_hdata->items_count;
gui_chat_printf (NULL, "");
gui_chat_printf (NULL, "%d hdata in memory", count);
if (count > 0)
hashtable_map (weechat_hdata, &debug_hdata_map_cb, NULL);
}
/*
* Displays info about hooks.
*/
void
debug_hooks ()
{
int i;
gui_chat_printf (NULL, "");
gui_chat_printf (NULL, "hooks in memory:");
for (i = 0; i < HOOK_NUM_TYPES; i++)
{
gui_chat_printf (NULL, "%17s:%5d",
hook_type_string[i], hooks_count[i]);
}
gui_chat_printf (NULL, "%17s------", "---------");
gui_chat_printf (NULL, "%17s:%5d", "total", hooks_count_total);
}
/*
* Displays info about hooks for a specific plugin.
*/
void
debug_hooks_plugin (const char *plugin_name)
{
struct t_weechat_plugin *ptr_plugin;
struct t_hook *ptr_hook;
char *desc, **result, **result_type, str_type[128];
int i, count_total, count_type;
if (!plugin_name)
return;
if (strcmp (plugin_name, PLUGIN_CORE) == 0)
{
ptr_plugin = NULL;
}
else
{
ptr_plugin = plugin_search (plugin_name);
if (!ptr_plugin)
{
gui_chat_printf (NULL, "%sPlugin \"%s\" not found",
gui_chat_prefix[GUI_CHAT_PREFIX_ERROR],
plugin_name);
return;
}
}
result = string_dyn_alloc (1024);
if (!result)
return;
result_type = string_dyn_alloc (1024);
if (!result_type)
{
string_dyn_free (result, 1);
return;
}
count_total = 0;
for (i = 0; i < HOOK_NUM_TYPES; i++)
{
count_type = 0;
string_dyn_copy (result_type, NULL);
for (ptr_hook = weechat_hooks[i]; ptr_hook;
ptr_hook = ptr_hook->next_hook)
{
if (ptr_hook->deleted || (ptr_hook->plugin != ptr_plugin))
continue;
desc = hook_get_description (ptr_hook);
if (desc)
{
string_dyn_concat (result_type, " ", -1);
string_dyn_concat (result_type, desc, -1);
string_dyn_concat (result_type, "\n", -1);
free (desc);
}
count_type++;
}
snprintf (str_type, sizeof (str_type),
" %s (%d)%s\n",
hook_type_string[i],
count_type,
(count_type > 0) ? ":" : "");
string_dyn_concat (result, str_type, -1);
if (count_type > 0)
string_dyn_concat (result, *result_type, -1);
count_total += count_type;
}
if (count_total > 0)
{
gui_chat_printf (NULL, "");
gui_chat_printf (NULL,
"hooks in plugin \"%s\" (%d)%s",
plugin_name,
count_total,
(count_total > 0) ? ":" : "");
gui_chat_printf (NULL, *result);
}
else
{
gui_chat_printf (NULL, "No hooks in plugin \"%s\"", plugin_name);
}
string_dyn_free (result, 1);
string_dyn_free (result_type, 1);
}
/*
* Displays a list of infolists in memory.
*/
void
debug_infolists ()
{
struct t_infolist *ptr_infolist;
struct t_infolist_item *ptr_item;
struct t_infolist_var *ptr_var;
int i, count, count_items, count_vars, size_structs, size_data;
int total_items, total_vars, total_size;
count = 0;
for (ptr_infolist = weechat_infolists; ptr_infolist;
ptr_infolist = ptr_infolist->next_infolist)
{
count++;
}
gui_chat_printf (NULL, "");
gui_chat_printf (NULL, "%d infolists in memory (%s)", count,
(count == 0) ?
"this is OK!" :
"WARNING: this is probably a memory leak in WeeChat or "
"plugins/scripts!");
if (count > 0)
{
i = 0;
total_items = 0;
total_vars = 0;
total_size = 0;
for (ptr_infolist = weechat_infolists; ptr_infolist;
ptr_infolist = ptr_infolist->next_infolist)
{
count_items = 0;
count_vars = 0;
size_structs = sizeof (*ptr_infolist);
size_data = 0;
for (ptr_item = ptr_infolist->items; ptr_item;
ptr_item = ptr_item->next_item)
{
count_items++;
total_items++;
size_structs += sizeof (*ptr_item);
for (ptr_var = ptr_item->vars; ptr_var;
ptr_var = ptr_var->next_var)
{
count_vars++;
total_vars++;
size_structs += sizeof (*ptr_var);
if (ptr_var->value)
{
switch (ptr_var->type)
{
case INFOLIST_INTEGER:
size_data += sizeof (int);
break;
case INFOLIST_STRING:
size_data += strlen ((char *)(ptr_var->value));
break;
case INFOLIST_POINTER:
size_data += sizeof (void *);
break;
case INFOLIST_BUFFER:
size_data += ptr_var->size;
break;
case INFOLIST_TIME:
size_data += sizeof (time_t);
break;
case INFOLIST_NUM_TYPES:
break;
}
}
}
}
gui_chat_printf (NULL,
"%4d: infolist %p: %d items, %d vars - "
"structs: %d, data: %d (total: %d bytes)",
i + 1, ptr_infolist, count_items, count_vars,
size_structs, size_data, size_structs + size_data);
total_size += size_structs + size_data;
i++;
}
gui_chat_printf (NULL,
"Total: %d items, %d vars - %d bytes",
total_items, total_vars, total_size);
}
}
/*
* Callback for signal "debug_libs": displays infos about external libraries
* used (called when command "/debug libs" is issued).
*
* Note: this function displays libraries for WeeChat core only: plugins can
* catch this signal to display their external libraries.
*/
int
debug_libs_cb (const void *pointer, void *data,
const char *signal, const char *type_data,
void *signal_data)
{
#ifdef GCRYPT_VERSION
const char *version_gcrypt = GCRYPT_VERSION;
#else
const char *version_gcrypt = "(?)";
#endif
#ifdef GNUTLS_VERSION
const char *version_gnutls = GNUTLS_VERSION;
#else
const char *version_gnutls = "(?)";
#endif
#ifdef LIBCURL_VERSION
const char *version_libcurl = LIBCURL_VERSION;
#else
const char *version_libcurl = "(?)";
#endif
#ifdef ZLIB_VERSION
const char *version_zlib = ZLIB_VERSION;
#else
const char *version_zlib = "(?)";
#endif
/* make C compiler happy */
(void) pointer;
(void) data;
(void) signal;
(void) type_data;
(void) signal_data;
gui_chat_printf (NULL, " core:");
/* display ncurses version */
gui_main_debug_libs ();
/* display gcrypt version */
gui_chat_printf (NULL, " gcrypt: %s%s%s%s",
version_gcrypt,
(weechat_no_gcrypt) ? " (" : "",
(weechat_no_gcrypt) ? _("not initialized") : "",
(weechat_no_gcrypt) ? ")" : "");
/* display gnutls version */
gui_chat_printf (NULL, " gnutls: %s%s%s%s",
version_gnutls,
(weechat_no_gnutls) ? " (" : "",
(weechat_no_gnutls) ? _("not initialized") : "",
(weechat_no_gnutls) ? ")" : "");
/* display curl version */
gui_chat_printf (NULL, " curl: %s", version_libcurl);
/* display zlib version */
gui_chat_printf (NULL, " zlib: %s", version_zlib);
/* display zstd version */
#ifdef HAVE_ZSTD
gui_chat_printf (NULL, " zstd: %d.%d.%d",
ZSTD_VERSION_MAJOR,
ZSTD_VERSION_MINOR,
ZSTD_VERSION_RELEASE);
#else
gui_chat_printf (NULL, " zstd: %s", _("not available"));
#endif /* HAVE_ZSTD */
/* display cJSON version */
#ifdef HAVE_CJSON
gui_chat_printf (NULL, " cJSON: %d.%d.%d",
CJSON_VERSION_MAJOR,
CJSON_VERSION_MINOR,
CJSON_VERSION_PATCH);
#else
gui_chat_printf (NULL, " cJSON: %s", _("not available"));
#endif /* HAVE_CJSON */
return WEECHAT_RC_OK;
}
/*
* Displays WeeChat directories.
*/
void
debug_directories ()
{
char *extra_libdir, str_temp[1024];
extra_libdir = getenv (WEECHAT_EXTRA_LIBDIR);
if (weechat_home_temp)
{
snprintf (str_temp, sizeof (str_temp),
" (%s)", _("TEMPORARY, deleted on exit"));
}
else
{
str_temp[0] = '\0';
}
gui_chat_printf (NULL, "");
gui_chat_printf (NULL, _("Directories:"));
gui_chat_printf (NULL, " home:");
gui_chat_printf (NULL, " config: %s%s", weechat_config_dir, str_temp);
gui_chat_printf (NULL, " data: %s%s", weechat_data_dir, str_temp);
gui_chat_printf (NULL, " state: %s%s", weechat_state_dir, str_temp);
gui_chat_printf (NULL, " cache: %s%s", weechat_cache_dir, str_temp);
gui_chat_printf (NULL, " runtime: %s%s", weechat_runtime_dir, str_temp);
gui_chat_printf (NULL, " lib: %s", WEECHAT_LIBDIR);
gui_chat_printf (NULL, " lib (extra): %s",
(extra_libdir && extra_libdir[0]) ? extra_libdir : "-");
gui_chat_printf (NULL, " share: %s", WEECHAT_SHAREDIR);
gui_chat_printf (NULL, " locale: %s", LOCALEDIR);
}
/*
* Display time elapsed between two times.
*
* If display is 1, the message is displayed in core buffer, otherwise it's
* written in log file.
*/
void
debug_display_time_elapsed (struct timeval *time1, struct timeval *time2,
const char *message, int display)
{
struct timeval debug_timeval_end;
char *str_diff;
long long diff;
gettimeofday (&debug_timeval_end, NULL);
diff = util_timeval_diff (time1, time2);
str_diff = util_get_microseconds_string (diff);
if (display)
{
gui_chat_printf (NULL,
"debug: time[%s] -> %s",
(message) ? message : "?",
(str_diff) ? str_diff : "?");
}
else
{
log_printf ("debug: time[%s] -> %s",
(message) ? message : "?",
(str_diff) ? str_diff : "?");
}
free (str_diff);
}
/*
* Display unicode information for a codepoint.
*/
void
debug_unicode_char (unsigned int codepoint)
{
char utf8_char[5], hexa[64], *ptr_hexa;
int i, size, width;
utf8_int_string (codepoint, utf8_char);
size = strlen (utf8_char);
width = wcwidth ((wchar_t)codepoint);
hexa[0] = '\0';
ptr_hexa = hexa;
for (i = 0; i < size; i++)
{
ptr_hexa[0] = '0';
ptr_hexa[1] = 'x';
ptr_hexa += 2;
string_base16_encode (utf8_char + i, 1, ptr_hexa);
ptr_hexa += 2;
if (i < size - 1)
{
ptr_hexa[0] = ' ';
ptr_hexa++;
}
}
ptr_hexa[0] = '\0';
gui_chat_printf (NULL,
"\t \"%s\" (U+%04X, %u, %s): %d %s/%s %d, %d %s/%s "
"%d, %d, %d, %d",
utf8_char,
codepoint,
codepoint,
hexa,
strlen (utf8_char),
GUI_COLOR(GUI_COLOR_CHAT_DELIMITERS),
GUI_COLOR(GUI_COLOR_CHAT),
utf8_strlen (utf8_char),
gui_chat_strlen (utf8_char),
GUI_COLOR(GUI_COLOR_CHAT_DELIMITERS),
GUI_COLOR(GUI_COLOR_CHAT),
width,
utf8_char_size_screen (utf8_char),
utf8_strlen_screen (utf8_char),
gui_chat_strlen_screen (utf8_char));
}
/*
* Display unicode information for a string.
*/
void
debug_unicode_string (const char *string)
{
int num_char, width;
wchar_t *wstring;
num_char = mbstowcs (NULL, string, 0) + 1;
wstring = malloc ((num_char + 1) * sizeof (wstring[0]));
if (!wstring)
return;
if (mbstowcs (wstring, string, num_char) == (size_t)(-1))
{
free (wstring);
return;
}
width = wcswidth (wstring, num_char);
gui_chat_printf (NULL,
"\t \"%s\": %d %s/%s %d, %d %s/%s %d, %d, %d",
string,
strlen (string),
GUI_COLOR(GUI_COLOR_CHAT_DELIMITERS),
GUI_COLOR(GUI_COLOR_CHAT),
utf8_strlen (string),
gui_chat_strlen (string),
GUI_COLOR(GUI_COLOR_CHAT_DELIMITERS),
GUI_COLOR(GUI_COLOR_CHAT),
width,
utf8_strlen_screen (string),
gui_chat_strlen_screen (string));
free (wstring);
}
/*
* Display information about all unicode chars of a string.
*/
void
debug_unicode (const char *string)
{
const char *ptr_string;
if (!string || !string[0])
return;
/* info about string */
gui_chat_printf (NULL, "");
gui_chat_printf (NULL,
_("Unicode: \"string\": "
"strlen %s/%s "
"utf8_strlen, gui_chat_strlen %s/%s "
"wcswidth, utf8_strlen_screen, "
"gui_chat_strlen_screen:"),
GUI_COLOR(GUI_COLOR_CHAT_DELIMITERS),
GUI_COLOR(GUI_COLOR_CHAT),
GUI_COLOR(GUI_COLOR_CHAT_DELIMITERS),
GUI_COLOR(GUI_COLOR_CHAT));
debug_unicode_string (string);
/* info about chars in string */
gui_chat_printf (NULL, "");
gui_chat_printf (NULL,
_("Unicode: \"char\" "
"(hex codepoint, codepoint, UTF-8 sequence): "
"strlen %s/%s "
"utf8_strlen, gui_chat_strlen %s/%s "
"wcwidth, utf8_char_size_screen, utf8_strlen_screen, "
"gui_chat_strlen_screen:"),
GUI_COLOR(GUI_COLOR_CHAT_DELIMITERS),
GUI_COLOR(GUI_COLOR_CHAT),
GUI_COLOR(GUI_COLOR_CHAT_DELIMITERS),
GUI_COLOR(GUI_COLOR_CHAT));
ptr_string = string;
while (ptr_string && ptr_string[0])
{
debug_unicode_char (utf8_char_int (ptr_string));
ptr_string = utf8_next_char (ptr_string);
}
}
/*
* Initializes debug.
*/
void
debug_init ()
{
/*
* hook signals with high priority, to be sure they will be used before
* plugins (they should anyway because this function is called before load
* of plugins)
*/
hook_signal (NULL, "2000|debug_dump", &debug_dump_cb, NULL, NULL);
hook_signal (NULL, "2000|debug_libs", &debug_libs_cb, NULL, NULL);
}
/*
* Ends debug.
*/
void
debug_end ()
{
}
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