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strerror.c revision 1.2 
      1 /*-
      2  * Copyright (c) 1993
      3  *	The Regents of the University of California.  All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  * 3. All advertising materials mentioning features or use of this software
     14  *    must display the following acknowledgement:
     15  *	This product includes software developed by the University of
     16  *	California, Berkeley and its contributors.
     17  * 4. Neither the name of the University nor the names of its contributors
     18  *    may be used to endorse or promote products derived from this software
     19  *    without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     31  * SUCH DAMAGE.
     32  *
     33  *	$Id: strerror.c,v 1.2 1994/02/26 10:29:44 pk Exp $
     34  */
     35 
     36 #include <sys/errno.h>
     37 #include "saerrno.h"
     38 
     39 
     40 char *
     41 strerror(err)
     42 	int err;
     43 {
     44 	char *p;
     45 	int length;
     46 static	char ebuf[1024];
     47 
     48 	switch (err) {
     49 	case EADAPT:
     50 		return "bad adaptor number";
     51 	case ECTLR:
     52 		return "bad controller number";
     53 	case EUNIT:
     54 		return "bad drive number";
     55 	case EPART:
     56 		return "bad partition";
     57 	case ERDLAB:
     58 		return "can't read disk label";
     59 	case EUNLAB:
     60 		return "unlabeled";
     61 	case ENXIO:
     62 		return "bad device specification";
     63 	case EPERM:
     64 		return "Permission Denied";
     65 	case ENOENT:
     66 		return "No such file or directory";
     67 	case ESTALE:
     68 		return "Stale NFS file handle";
     69 
     70 	default:
     71 		strcpy(ebuf, "Unknown error: code ");
     72 		length = strlen(ebuf);
     73 		p = ebuf+length;
     74 		do {
     75 			*p++ = "0123456789"[err % 10];
     76 		} while (err /= 10);
     77 		*p = '\0';
     78 		return ebuf;
     79 	}
     80 }
     81