88 lines
2.5 KiB
C
88 lines
2.5 KiB
C
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/* log.c - simple logging support
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* Time-stamp: <2010-11-12 05:19:46 njk>
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*
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* (c) 2003-2010 Nicholas J. Kain <njkain at gmail dot com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <strings.h>
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#include <syslog.h>
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#include <stdarg.h>
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#include <stdlib.h>
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/* global logging flags */
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int gflags_quiet = 0;
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int gflags_detach = 1;
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char *gflags_log_name = NULL;
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void log_line_l(int level, const char *format, ...)
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{
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va_list argp;
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if (format == NULL || gflags_quiet)
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return;
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if (gflags_detach) {
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openlog(gflags_log_name, LOG_PID, LOG_DAEMON);
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va_start(argp, format);
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vsyslog(level | LOG_DAEMON, format, argp);
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va_end(argp);
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closelog();
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} else {
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va_start(argp, format);
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vfprintf(stderr, format, argp);
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fprintf(stderr, "\n");
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va_end(argp);
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}
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closelog();
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}
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void suicide(const char *format, ...)
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{
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va_list argp;
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if (format == NULL || gflags_quiet)
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goto out;
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if (gflags_detach) {
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openlog(gflags_log_name, LOG_PID, LOG_DAEMON);
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va_start(argp, format);
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vsyslog(LOG_ERR | LOG_DAEMON, format, argp);
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va_end(argp);
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closelog();
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} else {
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va_start(argp, format);
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vfprintf(stderr, format, argp);
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va_end(argp);
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fprintf(stderr, "\n");
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perror(NULL);
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}
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closelog();
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out:
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exit(EXIT_FAILURE);
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}
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