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strerror.c revision 1.18 
      1 /*	$NetBSD: strerror.c,v 1.18 2004/07/01 19:04:43 christos 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 char *
     60 strerror(int err)
     61 {
     62 	static	char ebuf[36];
     63 	const struct mi *mi;
     64 
     65 	for (mi = errlist; mi->msg; mi++)
     66 		if (mi->errno == err)
     67 			return __UNCONST(mi->msg);
     68 
     69 	snprintf(ebuf, sizeof ebuf, "Unknown error: code %d", err);
     70 	return ebuf;
     71 }
     72