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 (c) 1996, by Sun Microsystems, Inc.
24 * All rights reserved.
25 */
26
27 /*
28 * Copyright 1993 by Mortice Kern Systems Inc. All rights reserved.
29 *
30 */
31
32 #ifdef M_RCSID
33 #ifndef lint
34 static char rcsID[] = "$Id: m_errorx.c 1.9 1995/02/08 15:03:16 rob Exp $";
35 #endif
36 #endif
37
38 #include <mks.h>
39 #include <errno.h>
40 #include <string.h>
41
42 #ifndef ERRORFN
43
44 #define ERRORFN m_errorexit
45 #define DONE exit(1)
46
47 /* Default error msg routine in library */
48 M_ERROR(m_errorexit);
49
50 #endif /* ERRORFN */
51
52 /*f
53 * Print error message with command name and trailing newline.
54 * Leading ! indicates format errno on the end.
55 * The value of errno is restored on completion.
56 */
57 void
ERRORFN(const char * fmt,va_list args)58 ERRORFN(const char *fmt, va_list args)
59 {
60 int saveerrno = errno;
61 int syserr = 0;
62
63 if (_cmdname != NULL)
64 fprintf(stderr, "%s: ", _cmdname);
65 fmt = m_strmsg(fmt);
66 if (*fmt == '!') {
67 fmt++;
68 syserr++;
69 }
70 vfprintf(stderr, fmt, args);
71 if (syserr) {
72 char *str;
73
74 /* Do eprintf-like stuff */
75 str = strerror(saveerrno);
76 if (*str == '\0')
77 fprintf(stderr, ": errno = %d", saveerrno);
78 else
79 fprintf(stderr,": %s", str);
80 }
81 fputc('\n', stderr);
82 errno = saveerrno;
83 DONE;
84 }
85
86
87