xref: /minix3/sys/lib/libsa/strerror.c (revision 58a2b0008e28f606a7f7f5faaeaba4faac57a1ea)
1 /*	$NetBSD: strerror.c,v 1.20 2007/11/24 13:20:57 isaki Exp $	*/
2 
3 /*-
4  * Copyright (c) 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. Neither the name of the University nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  */
31 
32 #include <sys/types.h>
33 #include "saerrno.h"
34 #include "stand.h"
35 
36 static const struct mi {
37 	int	errno;
38 	const char *msg;
39 } errlist[] = {
40 	{ EADAPT,	"bad adaptor number" },
41 	{ ECTLR,	"bad controller number" },
42 	{ EUNIT,	"bad drive number" },
43 	{ EPART,	"bad partition" },
44 	{ ERDLAB,	"can't read disk label" },
45 	{ EUNLAB,	"unlabeled" },
46 	{ ENXIO,	"Device not configured" },
47 	{ EPERM,	"Operation not permitted" },
48 	{ ENOENT,	"No such file or directory" },
49 	{ ESTALE,	"Stale NFS file handle" },
50 	{ EFTYPE,	"Inappropriate file type or format" },
51 	{ ENOEXEC,	"Exec format error" },
52 	{ EIO,		"Input/output error" },
53 	{ EINVAL,	"Invalid argument" },
54 	{ ENOTDIR,	"Not a directory" },
55 	{ EOFFSET,	"invalid file offset" },
56 	{ EACCES,	"Permission denied" },
57 	{ 0, 0 },
58 };
59 
60 char *
strerror(int err)61 strerror(int err)
62 {
63 	static	char ebuf[36];
64 	const struct mi *mi;
65 
66 	for (mi = errlist; mi->msg; mi++)
67 		if (mi->errno == err)
68 			return __UNCONST(mi->msg);
69 
70 	snprintf(ebuf, sizeof ebuf, "Unknown error: code %d", err);
71 	return ebuf;
72 }
73