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7907fee3690cb0f9b5cb7d1f3c899c79eb34ebd3
weechat/src/core/wee-debug.c
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/*
* Copyright (c) 2003-2008 by FlashCode <flashcode@flashtux.org>
* See README for License detail, AUTHORS for developers list.
*
* This program 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
/* wee-debug.c: some debug functions for WeeChat */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include "weechat.h"
#include "wee-backtrace.h"
#include "wee-config-file.h"
#include "wee-log.h"
#include "wee-hook.h"
#include "wee-string.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-filter.h"
#include "../gui/gui-hotlist.h"
#include "../gui/gui-keyboard.h"
#include "../gui/gui-main.h"
#include "../gui/gui-window.h"
#include "../plugins/plugin.h"
int debug_dump_active = 0;
/*
* debug_dump: write dump to WeeChat log file
*/
void
debug_dump (int crash)
{
/* prevent reentrance */
if (debug_dump_active)
exit (EXIT_FAILURE);
if (crash)
{
debug_dump_active = 1;
log_printf ("Very bad, WeeChat is crashing (SIGSEGV received)...");
}
log_printf ("");
if (crash)
{
log_printf ("****** WeeChat CRASH DUMP ******");
log_printf ("****** Please send this file to WeeChat developers ******");
log_printf ("****** and explain when this crash happened ******");
}
else
{
log_printf ("****** WeeChat dump request ******");
}
gui_window_print_log ();
gui_buffer_print_log ();
gui_keyboard_print_log (NULL);
gui_filter_print_log ();
gui_bar_print_log ();
gui_bar_item_print_log ();
gui_hotlist_print_log ();
hook_print_log ();
config_file_print_log ();
plugin_print_log ();
log_printf ("");
log_printf ("****** End of WeeChat dump ******");
log_printf ("");
}
/*
* debug_dump_cb: callback for "debug_dump" signal hooked
*/
int
debug_dump_cb (void *data, const char *signal, const char *type_data,
void *signal_data)
{
/* make C compiler happy */
(void) data;
(void) signal;
(void) type_data;
(void) signal_data;
debug_dump (0);
return WEECHAT_RC_OK;
}
/*
* debug_sigsegv: SIGSEGV handler: save crash log to
* <weechat_home>/weechat.log and exit
*/
void
debug_sigsegv ()
{
debug_dump (1);
unhook_all ();
gui_main_end (0);
string_iconv_fprintf (stderr, "\n");
string_iconv_fprintf (stderr, "*** Very bad! WeeChat is crashing (SIGSEGV received)\n");
if (!log_crash_rename ())
string_iconv_fprintf (stderr,
"*** Full crash dump was saved to %s/weechat.log file.\n",
weechat_home);
string_iconv_fprintf (stderr, "***\n");
string_iconv_fprintf (stderr, "*** Please help WeeChat developers to fix this bug:\n");
string_iconv_fprintf (stderr, "*** 1. If you have a core file, please run: gdb weechat-curses core\n");
string_iconv_fprintf (stderr, "*** then issue \"bt\" command and send result to developers\n");
string_iconv_fprintf (stderr, "*** To enable core files with bash shell: ulimit -c 10000\n");
string_iconv_fprintf (stderr, "*** 2. Otherwise send backtrace (below) and weechat.log\n");
string_iconv_fprintf (stderr, "*** (be careful, private info may be in this file since\n");
string_iconv_fprintf (stderr, "*** part of chats are displayed, so remove lines if needed)\n\n");
weechat_backtrace ();
/* shutdown with error code */
weechat_shutdown (EXIT_FAILURE, 1);
}
/*
* debug_buffer_cb: callback for "debug_buffer" signal hooked
*/
int
debug_buffer_cb (void *data, const char *signal, const char *type_data,
void *signal_data)
{
/* make C compiler happy */
(void) data;
(void) signal;
(void) type_data;
gui_buffer_dump_hexa ((struct t_gui_buffer *)signal_data);
return WEECHAT_RC_OK;
}
/*
* debug_windows_tree_display: display tree of windows
*/
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: 0x%%X (parent:0x%%X), win=0x%%X, "
"child1=0x%%X, child2=0x%%X, %%d,%%d %%dx%%d, "
"%%d%%%%x%%d%%%%",
indent * 2);
gui_chat_printf (NULL,
format,
" ", tree, tree->parent_node, tree->window,
tree->child1, tree->child2,
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%%X (parent:0x%%X), win=0x%%X, "
"child1=0x%%X, child2=0x%%X)",
indent * 2);
gui_chat_printf (NULL,
format,
" ", tree, tree->parent_node, tree->window,
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);
}
}
/*
* debug_windows_tree_display: display tree of windows
*/
void
debug_windows_tree ()
{
gui_chat_printf (NULL, "");
gui_chat_printf (NULL, "DEBUG: windows tree:");
debug_windows_tree_display (gui_windows_tree, 1);
}
/*
* debug_windows_cb: callback for "debug_windows" signal hooked
*/
int
debug_windows_cb (void *data, const char *signal, const char *type_data,
void *signal_data)
{
/* make C compiler happy */
(void) data;
(void) signal;
(void) type_data;
(void) signal_data;
debug_windows_tree ();
return WEECHAT_RC_OK;
}
/*
* debug_init: hook signals for debug
*/
void
debug_init ()
{
hook_signal (NULL, "debug_dump", debug_dump_cb, NULL);
hook_signal (NULL, "debug_buffer", debug_buffer_cb, NULL);
hook_signal (NULL, "debug_windows", debug_windows_cb, NULL);
}
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