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strerror.c revision 1.6 
      1 /*	$NetBSD: strerror.c,v 1.6 1995/04/22 13:57:34 cgd 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. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by the University of
     18  *	California, Berkeley and its contributors.
     19  * 4. Neither the name of the University nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  */
     35 
     36 #include <sys/types.h>
     37 #include "saerrno.h"
     38 
     39 size_t	strlen __P((const char *));				/* XXX */
     40 char	*strcpy __P((char *, const char *));			/* XXX */
     41 
     42 char *
     43 strerror(err)
     44 	int err;
     45 {
     46 	char *p;
     47 	int length;
     48 static	char ebuf[1024];
     49 
     50 	switch (err) {
     51 	case EADAPT:
     52 		return "bad adaptor number";
     53 	case ECTLR:
     54 		return "bad controller number";
     55 	case EUNIT:
     56 		return "bad drive number";
     57 	case EPART:
     58 		return "bad partition";
     59 	case ERDLAB:
     60 		return "can't read disk label";
     61 	case EUNLAB:
     62 		return "unlabeled";
     63 	case ENXIO:
     64 		return "Device not configured";
     65 	case EPERM:
     66 		return "Operation not permitted";
     67 	case ENOENT:
     68 		return "No such file or directory";
     69 	case ESTALE:
     70 		return "Stale NFS file handle";
     71 	case EFTYPE:
     72 		return "Inappropriate file type or format";
     73 	case ENOEXEC:
     74 		return "Exec format error";
     75 	case EIO:
     76 		return "Input/output error";
     77 
     78 	default:
     79 		strcpy(ebuf, "Unknown error: code ");
     80 		length = strlen(ebuf);
     81 		p = ebuf+length;
     82 		do {
     83 			*p++ = "0123456789"[err % 10];
     84 		} while (err /= 10);
     85 		*p = '\0';
     86 		return ebuf;
     87 	}
     88 }
     89