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 (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 /*
28 * Copyright 2025 Oxide Computer Company
29 */
30
31 /* Copyright (c) 1988 AT&T */
32 /* All Rights Reserved */
33
34 #include "lint.h"
35 #include "_libc_gettext.h"
36 #include "syserr.h"
37
38 #include <sys/types.h>
39 #include <errno.h>
40 #include <stdio.h>
41 #include <string.h>
42 #include <unistd.h>
43
44 /*
45 * Print the error indicated
46 * in the cerror cell.
47 */
48 void
perror(const char * s)49 perror(const char *s)
50 {
51 const char *c;
52 int err = errno;
53
54 if (err < _sys_num_nerr && err >= 0)
55 c = _libc_gettext(&_sys_nerrs[_sys_nindex[err]]);
56 else
57 c = _libc_gettext("Unknown error");
58
59 if (s && *s) {
60 (void) write(2, s, strlen(s));
61 (void) write(2, ": ", 2);
62 }
63 (void) write(2, c, strlen(c));
64 (void) write(2, "\n", 1);
65 }
66