1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
23*0Sstevel@tonic-gate 
24*0Sstevel@tonic-gate /*
25*0Sstevel@tonic-gate  * Copyright 1989-2003 Sun Microsystems, Inc.  All rights reserved.
26*0Sstevel@tonic-gate  * Use is subject to license terms.
27*0Sstevel@tonic-gate  */
28*0Sstevel@tonic-gate 
29*0Sstevel@tonic-gate #include <stdio.h>
30*0Sstevel@tonic-gate #include <stdarg.h>
31*0Sstevel@tonic-gate #include <errno.h>
32*0Sstevel@tonic-gate 
33*0Sstevel@tonic-gate #define	NO_PERROR	0
34*0Sstevel@tonic-gate #define	PERROR		1
35*0Sstevel@tonic-gate 
36*0Sstevel@tonic-gate char *progname;
37*0Sstevel@tonic-gate 
38*0Sstevel@tonic-gate void
39*0Sstevel@tonic-gate setprogname(char *name)
40*0Sstevel@tonic-gate {
41*0Sstevel@tonic-gate 	register char *p = name, c;
42*0Sstevel@tonic-gate 
43*0Sstevel@tonic-gate 	if (p)
44*0Sstevel@tonic-gate 		while (c = *p++)
45*0Sstevel@tonic-gate 			if (c == '/')
46*0Sstevel@tonic-gate 				name = p;
47*0Sstevel@tonic-gate 
48*0Sstevel@tonic-gate 	progname = name;
49*0Sstevel@tonic-gate }
50*0Sstevel@tonic-gate 
51*0Sstevel@tonic-gate /* _error([no_perror, ] fmt [, arg ...]) */
52*0Sstevel@tonic-gate /*VARARGS*/
53*0Sstevel@tonic-gate int
54*0Sstevel@tonic-gate _error(int do_perror, char *fmt, ...)
55*0Sstevel@tonic-gate {
56*0Sstevel@tonic-gate 	int saved_errno;
57*0Sstevel@tonic-gate 	va_list ap;
58*0Sstevel@tonic-gate 
59*0Sstevel@tonic-gate 	saved_errno = errno;
60*0Sstevel@tonic-gate 
61*0Sstevel@tonic-gate 	/*
62*0Sstevel@tonic-gate 	 * flush all buffers
63*0Sstevel@tonic-gate 	 */
64*0Sstevel@tonic-gate 	(void) fflush(NULL);
65*0Sstevel@tonic-gate 	if (progname)
66*0Sstevel@tonic-gate 		(void) fprintf(stderr, "%s: ", progname);
67*0Sstevel@tonic-gate 
68*0Sstevel@tonic-gate 	va_start(ap, fmt);
69*0Sstevel@tonic-gate 	(void) vfprintf(stderr, fmt, ap);
70*0Sstevel@tonic-gate 	va_end(ap);
71*0Sstevel@tonic-gate 
72*0Sstevel@tonic-gate 	if (do_perror == NO_PERROR)
73*0Sstevel@tonic-gate 		(void) fprintf(stderr, "\n");
74*0Sstevel@tonic-gate 	else {
75*0Sstevel@tonic-gate 		(void) fprintf(stderr, ": ");
76*0Sstevel@tonic-gate 		errno = saved_errno;
77*0Sstevel@tonic-gate 		perror("");
78*0Sstevel@tonic-gate 	}
79*0Sstevel@tonic-gate 
80*0Sstevel@tonic-gate 	return (1);
81*0Sstevel@tonic-gate }
82