/*
* 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 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* Error-handling routines
*/
#include <string.h>
#include <stdlib.h>
#include <stdarg.h>
#include <stdio.h>
#include <errno.h>
#include <inj_err.h>
/*LINTLIBRARY*/
static const char *pname;
#pragma init(getpname)
const char *
getpname(void)
{
const char *p, *q;
if (pname != NULL)
return (pname);
if ((p = getexecname()) != NULL)
q = strrchr(p, '/');
else
q = NULL;
if (q == NULL)
pname = p;
else
pname = q + 1;
return (pname);
}
void
vwarn(const char *format, va_list alist)
{
int err = errno;
if (pname != NULL)
(void) fprintf(stderr, "%s: ", pname);
(void) vfprintf(stderr, format, alist);
if (strchr(format, '\n') == NULL)
(void) fprintf(stderr, ": %s\n", strerror(err));
}
/*PRINTFLIKE1*/
void
warn(const char *format, ...)
{
va_list alist;
va_start(alist, format);
vwarn(format, alist);
va_end(alist);
}
void
vdie(const char *format, va_list alist)
{
vwarn(format, alist);
exit(E_ERROR);
}
/*PRINTFLIKE1*/
void
die(const char *format, ...)
{
va_list alist;
va_start(alist, format);
vdie(format, alist);
va_end(alist);
}
int
inj_set_errno(int err)
{
errno = err;
return (-1);
}