mirror of
https://github.com/VK3FNG/soundmodem.git
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113 lines
2.8 KiB
C
113 lines
2.8 KiB
C
/*****************************************************************************/
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/*
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* log.c -- Logging functions.
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*
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* Copyright (C) 1999-2000 Thomas Sailer (sailer@ife.ee.ethz.ch)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* Please note that the GPL allows you to use the driver, NOT the radio.
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* In order to use the radio, you need a license from the communications
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* authority of your country.
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*
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*/
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/*****************************************************************************/
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#define _GNU_SOURCE
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#define _REENTRANT
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "soundio.h"
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#ifdef HAVE_SYSLOG_H
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#include <syslog.h>
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#endif
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#include <sys/types.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <errno.h>
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#include <string.h>
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#include <stdlib.h>
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/* ---------------------------------------------------------------------- */
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static unsigned int tosyslog = 0;
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unsigned int log_verblevel = 0;
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/* ---------------------------------------------------------------------- */
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void logrelease(void)
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{
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#ifdef HAVE_CLOSELOG
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if (tosyslog)
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closelog();
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#endif
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tosyslog = 0;
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}
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void loginit(unsigned int vl, unsigned int tosysl)
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{
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log_verblevel = vl;
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tosyslog = 0;
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#ifdef HAVE_OPENLOG
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if (tosysl) {
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openlog("soundmodem", LOG_PID, LOG_DAEMON);
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tosyslog = 1;
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}
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#endif
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}
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void logvprintf(unsigned int level, const char *fmt, va_list args)
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{
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static const int vltosev[] = { LOG_CRIT, LOG_ERR, LOG_WARNING, LOG_NOTICE };
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if (level <= log_verblevel) {
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#ifdef HAVE_SYSLOG
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if (tosyslog) {
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char tmp[512];
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vsnprintf(tmp, sizeof(tmp), fmt, args);
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syslog((level >= 256) ? LOG_DEBUG : (level >= 4) ? LOG_INFO : vltosev[level], tmp);
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} else
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#endif
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{
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fprintf(stderr, "sm[%lu]: ", (unsigned long)getpid());
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vfprintf(stderr, fmt, args);
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}
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}
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if (!level)
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exit(1);
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}
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void logprintf(unsigned int level, const char *fmt, ...)
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{
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va_list args;
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va_start(args, fmt);
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logvprintf(level, fmt, args);
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va_end(args);
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}
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void logerr(unsigned int level, const char *st)
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{
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logprintf(level, "%s: %s (%d)\n", st, strerror(errno), errno);
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}
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