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/* $Id: debug.c 840 2007-09-09 12:17:42Z michael $
* $URL: https://ssl.bulix.org/svn/lcd4linux/trunk/debug.c $
*
* debug() and error() functions
*
* Copyright (C) 1999, 2000 Michael Reinelt <michael@reinelt.co.at>
* Copyright (C) 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
*
* This file is part of LCD4Linux.
*
* LCD4Linux 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, or (at your option)
* any later version.
*
* LCD4Linux 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
/*
* exported functions:
*
* message (level, format, ...)
* passes the arguments to vsprintf() and
* writes the resulting string either to stdout
* or syslog.
* this function should not be called directly,
* but the macros info(), debug() and error()
*
*/
#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include <syslog.h>
#include "debug.h"
int running_foreground = 0;
int running_background = 0;
int verbose_level = 0;
void message(const int level, const char *format, ...)
{
va_list ap;
char buffer[256];
static int log_open = 0;
if (level > verbose_level)
return;
va_start(ap, format);
vsnprintf(buffer, sizeof(buffer), format, ap);
va_end(ap);
if (!running_background) {
#ifdef WITH_CURSES
extern int curses_error(char *);
if (!curses_error(buffer))
#endif
fprintf(level ? stdout : stderr, "%s\n", buffer);
}
if (running_foreground)
return;
if (!log_open) {
openlog("LCD4Linux", LOG_PID, LOG_USER);
log_open = 1;
}
switch (level) {
case 0:
syslog(LOG_ERR, "%s", buffer);
break;
case 1:
syslog(LOG_INFO, "%s", buffer);
break;
default:
syslog(LOG_DEBUG, "%s", buffer);
}
}
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