117 lines
2.0 KiB
C
117 lines
2.0 KiB
C
/*
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* Debug handling
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*
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* Copyright 2004 SYSGO Real-Time Solutions AG
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* Klein-Winternheim, Germany
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* All rights reserved.
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*
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* Author: Armin Schindler <armin.schindler@sysgo.com>
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*
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* $Id$
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <unistd.h>
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#include <syslog.h>
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#include "isdntun.h"
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#include "options.h"
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int debug_level = 2;
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/*
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* syslog
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*/
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static void do_syslog(int prio, char *format, va_list ap)
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{
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unsigned char buf[2048];
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int len;
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len = sprintf(buf, "%s: ", opt_name);
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vsnprintf(buf + len, sizeof(buf), format, ap);
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syslog(prio, buf);
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}
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/*
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* debug
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*/
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static void debug_output(int level, char *format, va_list ap)
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{
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switch (level) {
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case 0:
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case 1:
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case 2:
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do_syslog(LOG_ERR, format, ap);
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break;
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case 3:
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do_syslog(LOG_INFO, format, ap);
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break;
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}
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if (level > debug_level)
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return;
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fprintf(stderr, "Itun %d: ", level);
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vfprintf(stderr, format, ap);
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fprintf(stderr, "\n");
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}
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void option_error(char *format, ...)
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{
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va_list ap;
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va_start(ap, format);
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debug_output(0, format, ap);
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va_end(ap);
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}
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void fatal(char *format, ...)
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{
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va_list ap;
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va_start(ap, format);
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debug_output(1, format, ap);
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va_end(ap);
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exit(-1);
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}
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void error(char *format, ...)
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{
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va_list ap;
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va_start(ap, format);
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debug_output(2, format, ap);
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va_end(ap);
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}
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void info(char *format, ...)
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{
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va_list ap;
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va_start(ap, format);
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debug_output(3, format, ap);
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va_end(ap);
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}
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void dbglog(char *format, ...)
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{
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va_list ap;
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va_start(ap, format);
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debug_output(4, format, ap);
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va_end(ap);
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}
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