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163 | /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
*
* Copyright (C) 2005 William Jon McCann <mccann@jhu.edu>
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Authors: William Jon McCann <mccann@jhu.edu>
*
*/
#include "config.h"
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include <signal.h>
#include <time.h>
#include <unistd.h>
#include <glib.h>
#include <glib/gstdio.h>
#include "gs-debug.h"
static gboolean debugging = FALSE;
static FILE *debug_out = NULL;
/* Based on rhythmbox/lib/rb-debug.c */
/* Our own funky debugging function, should only be used when something
* is not going wrong, if something *is* wrong use g_warning.
*/
void
gs_debug_real (const char *func,
const char *file,
const int line,
const char *format, ...)
{
va_list args;
char buffer [1025];
char *str_time;
time_t the_time;
if (debugging == FALSE)
return;
va_start (args, format);
g_vsnprintf (buffer, 1024, format, args);
va_end (args);
time (&the_time);
str_time = g_new0 (char, 255);
strftime (str_time, 254, "%H:%M:%S", localtime (&the_time));
fprintf ((debug_out ? debug_out : stderr),
"[%s] %s:%d (%s):\t %s\n",
func, file, line, str_time, buffer);
if (debug_out)
fflush (debug_out);
g_free (str_time);
}
gboolean
gs_debug_enabled (void)
{
return debugging;
}
void
gs_debug_init (gboolean debug,
gboolean to_file)
{
/* return if already initialized */
if (debugging == TRUE)
{
return;
}
debugging = debug;
if (debug && to_file)
{
const char path [50] = "cafe_screensaver_debug_XXXXXX";
int fd;
fd = g_file_open_tmp (path, NULL, NULL);
if (fd >= 0)
{
debug_out = fdopen (fd, "a");
}
}
gs_debug ("Debugging %s", (debug) ? "enabled" : "disabled");
}
void
gs_debug_shutdown (void)
{
if (! debugging)
return;
gs_debug ("Shutting down debugging");
debugging = FALSE;
if (debug_out != NULL)
{
fclose (debug_out);
debug_out = NULL;
}
}
void
_gs_profile_log (const char *func,
const char *note,
const char *format,
...)
{
va_list args;<--- The scope of the variable 'args' can be reduced. [+]The scope of the variable 'args' can be reduced. Warning: Be careful when fixing this message, especially when there are inner loops. Here is an example where cppcheck will write that the scope for 'i' can be reduced:
void f(int x)
{
int i = 0;
if (x) {
// it's safe to move 'int i = 0;' here
for (int n = 0; n < 10; ++n) {
// it is possible but not safe to move 'int i = 0;' here
do_something(&i);
}
}
}
When you see this message it is always safe to reduce the variable scope 1 level.
char *str;
char *formatted;
if (format == NULL)
{
formatted = g_strdup ("");
}
else
{
va_start (args, format);
formatted = g_strdup_vprintf (format, args);
va_end (args);
}
if (func != NULL)
{
str = g_strdup_printf ("MARK: %s %s: %s %s", g_get_prgname(), func, note ? note : "", formatted);
}
else
{
str = g_strdup_printf ("MARK: %s: %s %s", g_get_prgname(), note ? note : "", formatted);
}
g_free (formatted);
g_access (str, F_OK);
g_free (str);
}
|