/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (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 (c) 1991, 2010, Oracle and/or its affiliates. All rights reserved.
*/
#include <stdio.h>
#include <stdarg.h>
#include <errno.h>
#define NO_PERROR 0
#define PERROR 1
char *progname;
void
setpname(char *name)
{
register char *p = name, c;
if (p)
while (c = *p++)
if (c == '/')
name = p;
progname = name;
}
/* _error([no_perror, ] fmt [, arg ...]) */
/*VARARGS*/
int
_error(int do_perror, char *fmt, ...)
{
int saved_errno;
va_list ap;
saved_errno = errno;
/*
* flush all buffers
*/
(void) fflush(NULL);
if (progname)
(void) fprintf(stderr, "%s: ", progname);
va_start(ap, fmt);
(void) vfprintf(stderr, fmt, ap);
va_end(ap);
if (do_perror == NO_PERROR)
(void) fprintf(stderr, "\n");
else {
(void) fprintf(stderr, ": ");
errno = saved_errno;
perror("");
}
return (1);
}