xref: /titanic_52/usr/src/cmd/rexd/errprintf.c (revision d58fda4376e4bf67072ce2e69f6f47036f9dbb68)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 #include	<stdio.h>
30 #include	<stdlib.h>
31 #include	<stdarg.h>
32 
33 /*
34  * errprintf will print a message to standard error channel,
35  * and return the same string in the given message buffer.
36  * We add an extra return character in case the console is in raw mode.
37  */
38 void
39 errprintf(char *err, char *fmt, ...)
40 {
41 	va_list	ap;
42 
43 	va_start(ap, fmt);
44 
45 	if (err) {
46 		vsprintf(err, fmt, ap);
47 		fprintf(stderr,"%s\r",err);
48 	} else {
49 		vfprintf(stderr, fmt, ap);
50 		fprintf(stderr, "\r");
51 	}
52 	va_end(ap);
53 }
54 
55