File: debug.c

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/*
 * Copyright (c) 2004, 2005 Metaparadigm Pte. Ltd.
 * Michael Clark <michael@metaparadigm.com>
 * Copyright (c) 2016 Adiscon GmbH
 * Rainer Gerhards <rgerhards@adiscon.com>
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of the MIT license. See COPYING for details.
 *
 */

#include "config.h"

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>

#if HAVE_SYSLOG_H
# include <syslog.h>
#endif /* HAVE_SYSLOG_H */

#if HAVE_UNISTD_H
# include <unistd.h>
#endif /* HAVE_UNISTD_H */

#if HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif /* HAVE_SYS_PARAM_H */

#include "debug.h"

static int _syslog = 0;
static int _debug = 0;

void mc_set_debug(int debug) { _debug = debug; }
int mc_get_debug(void) { return _debug; }

extern void mc_set_syslog(int use_syslog)
{
	_syslog = use_syslog;
}

void mc_debug(const char *msg, ...)
{
	va_list ap;
	if(_debug) {
		va_start(ap, msg);
#if HAVE_VSYSLOG
		if(_syslog) {
			vsyslog(LOG_DEBUG, msg, ap);
		} else
#endif
		vprintf(msg, ap);
	va_end(ap);
	}
}

void mc_error(const char *msg, ...)
{
	va_list ap;
	va_start(ap, msg);
#if HAVE_VSYSLOG
	if(_syslog) {
		vsyslog(LOG_ERR, msg, ap);
	} else
#endif
	vfprintf(stderr, msg, ap);
	va_end(ap);
}

void mc_info(const char *msg, ...)
{
	va_list ap;
	va_start(ap, msg);
#if HAVE_VSYSLOG
	if(_syslog) {
		vsyslog(LOG_INFO, msg, ap);
	} else
#endif
	vfprintf(stderr, msg, ap);
	va_end(ap);
}