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/* $Id: debug.c,v 1.11 2004/06/26 12:04:59 reinelt Exp $
*
* debug() and error() functions
*
* Copyright 1999, 2000 Michael Reinelt <reinelt@eunet.at>
*
* 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.
*
*
* $Log: debug.c,v $
* Revision 1.11 2004/06/26 12:04:59 reinelt
*
* uh-oh... the last CVS log message messed up things a lot...
*
* Revision 1.10 2004/06/26 09:27:20 reinelt
*
* added '-W' to CFLAGS
* changed all C++ comments to C ones
* cleaned up a lot of signed/unsigned mistakes
*
* Revision 1.9 2004/06/20 10:09:54 reinelt
*
* 'const'ified the whole source
*
* Revision 1.8 2004/05/26 11:37:36 reinelt
*
* Curses driver ported.
*
* Revision 1.7 2004/02/10 07:42:35 reinelt
* cut off all old-style files which are no longer used with NextGeneration
*
* Revision 1.6 2003/10/05 17:58:50 reinelt
* libtool junk; copyright messages cleaned up
*
* Revision 1.5 2003/08/24 05:17:58 reinelt
* liblcd4linux patch from Patrick Schemitz
*
* Revision 1.4 2003/08/08 06:58:06 reinelt
* improved forking
*
* Revision 1.3 2001/03/12 12:39:36 reinelt
*
* reworked autoconf a lot: drivers may be excluded, #define's went to config.h
*
* Revision 1.2 2001/03/09 13:08:11 ltoetsch
* Added Text driver
*
* Revision 1.1 2000/11/28 20:20:38 reinelt
*
* added debug.c
* things like that should not hapen. debug.c exists for a few months now, but was never added to CVS. Shit happens....
*
*/
/*
* 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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