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| -rw-r--r-- | debug.c | 84 |
1 files changed, 84 insertions, 0 deletions
@@ -0,0 +1,84 @@ +/* $Id: debug.c,v 1.1 2000/11/28 20:20:38 reinelt Exp $ + * + * debug() and error() functions + * + * Copyright 1999, 2000 by Michael Reinelt (reinelt@eunet.at) + * + * 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, 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., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * + * $Log: debug.c,v $ + * 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 <stdlib.h> +#include <stdio.h> +#include <stdarg.h> +#include <syslog.h> + +#include "debug.h" + +void message (int level, const char *format, ...) +{ + va_list ap; + char buffer[256]; + static int log_open=0; + extern int debugging; + extern int foreground; + + if (level>debugging) return; + + va_start(ap, format); + (void) vsnprintf(buffer, sizeof(buffer), format, ap); + va_end(ap); + + if (foreground) { + fprintf (level?stdout:stderr, "%s\n", buffer); + 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); + } +} |