mc/lib/logging.c

100 lines
3.2 KiB
C

/*
Provides a log file to ease tracing the program.
Copyright (C) 2006, 2009 Free Software Foundation, Inc.
Written: 2006 Roland Illig <roland.illig@gmx.de>.
This file is part of the Midnight Commander.
The Midnight Commander 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.
The Midnight Commander 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 Street, Fifth Floor, Boston,
MA 02110-1301, USA.
*/
/** \file logging.c
* \brief Source: provides a log file to ease tracing the program
*/
#include <config.h>
#include <stdarg.h>
#include <stdio.h>
#include "lib/global.h"
#include "logging.h"
#include "lib/mcconfig.h"
#include "lib/fileloc.h"
#include "src/setup.h"
/*** global variables ****************************************************************************/
/*** file scope macro definitions ****************************************************************/
/*** file scope type declarations ****************************************************************/
/*** file scope variables ************************************************************************/
/*** file scope functions ************************************************************************/
/* --------------------------------------------------------------------------------------------- */
static gboolean
is_logging_enabled (void)
{
static gboolean logging_initialized = FALSE;
static gboolean logging_enabled = FALSE;
if (!logging_initialized)
{
logging_enabled = mc_config_get_bool (mc_main_config,
CONFIG_APP_SECTION, "development.enable_logging",
FALSE);
logging_initialized = TRUE;
}
return logging_enabled;
}
/* --------------------------------------------------------------------------------------------- */
/*** public functions ****************************************************************************/
/* --------------------------------------------------------------------------------------------- */
void
mc_log (const char *fmt, ...)
{
va_list args;
FILE *f;
char *logfilename;
if (is_logging_enabled ())
{
va_start (args, fmt);
logfilename = g_strdup_printf ("%s/%s/log", home_dir, MC_USERCONF_DIR);
if (logfilename != NULL)
{
f = fopen (logfilename, "a");
if (f != NULL)
{
(void) vfprintf (f, fmt, args);
(void) fclose (f);
}
g_free (logfilename);
va_end (args);
}
}
}
/* --------------------------------------------------------------------------------------------- */