debug.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2003 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <stdio.h>
#include <stdlib.h>
#include <syslog.h>
#include <stdarg.h>
#include <string.h>
#define DEBUG_NONE 0
#define DEBUG_SYSLOG 1
#define DEBUG_STDERR 2
int debug_enabled = 0;
void
debug_init(void)
{
char *env;
env = getenv("PASSWDUTIL_DEBUG");
if (env == NULL)
debug_enabled = DEBUG_NONE;
else if (strcmp(env, "syslog") == 0)
debug_enabled = DEBUG_SYSLOG;
else if (strcmp(env, "stderr") == 0)
debug_enabled = DEBUG_STDERR;
else {
(void) fprintf(stderr, "Invalid value for PASSWDUTIL_DEBUG\n");
debug_enabled = DEBUG_NONE;
}
}
/*PRINTFLIKE1*/
void
debug(char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
switch (debug_enabled) {
case DEBUG_NONE:
break;
case DEBUG_SYSLOG:
vsyslog(LOG_DEBUG, fmt, ap);
break;
case DEBUG_STDERR:
(void) vfprintf(stderr, fmt, ap);
(void) fprintf(stderr, "\n");
break;
}
va_end(ap);
}