/*

 * debug.c -- debugging routines for libtirpc

 *

 * Copyright (C) 2014  Red Hat, Steve Dickson <steved@redhat.com>

 *

 * Redistribution and use in source and binary forms, with or without 

 * modification, are permitted provided that the following conditions are met:

 * - Redistributions of source code must retain the above copyright notice, 

 *   this list of conditions and the following disclaimer.

 * - Redistributions in binary form must reproduce the above copyright notice, 

 *   this list of conditions and the following disclaimer in the documentation 

 *   and/or other materials provided with the distribution.

 * - Neither the name of Sun Microsystems, Inc. nor the names of its 

 *   contributors may be used to endorse or promote products derived 

 *   from this software without specific prior written permission.

 * 

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 

 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 

 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 

 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 

 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 

 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 

 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 

 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 

 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 

 * POSSIBILITY OF SUCH DAMAGE.

 */

#include <sys/types.h>

#include <stdio.h>

#include <stdarg.h>

#include <unistd.h>

#include <syslog.h>

#include <string.h>

#include "debug.h"

/* library global debug level */

int libtirpc_debug_level = 0;

int  log_stderr = 1; /* log to stderr instead of systlog */

/*

 * Set the debug level for the entire library.

 * Different area will used the value to determin

 * the verbosity of the debugging output.

 */

void

libtirpc_set_debug(char *name, int level, int use_stderr)

{

	if (level < 0)

		level = 0;

	log_stderr = use_stderr;

	if (!use_stderr)

		openlog(name, LOG_PID, LOG_DAEMON);

	libtirpc_debug_level = level;

	LIBTIRPC_DEBUG(1, ("libtirpc: debug level %d", libtirpc_debug_level));

}

void

libtirpc_log_dbg(char *fmt, ...)

{

	va_list args;

	va_start(args, fmt);

	if (log_stderr) {

		vfprintf(stderr, fmt, args);

		fprintf(stderr, "\n");

	} else

		vsyslog(LOG_NOTICE, fmt, args);

	va_end(args);

}