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strerror.c revision 1.1.2.2 
      1  1.1.2.2  perry /*	$NetBSD: strerror.c,v 1.1.2.2 1999/06/21 13:39:35 perry Exp $	*/
      2  1.1.2.2  perry 
      3  1.1.2.2  perry /*
      4  1.1.2.2  perry  * Copyright (c) 1988 Regents of the University of California.
      5  1.1.2.2  perry  * All rights reserved.
      6  1.1.2.2  perry  *
      7  1.1.2.2  perry  * Redistribution and use in source and binary forms, with or without
      8  1.1.2.2  perry  * modification, are permitted provided that the following conditions
      9  1.1.2.2  perry  * are met:
     10  1.1.2.2  perry  * 1. Redistributions of source code must retain the above copyright
     11  1.1.2.2  perry  *    notice, this list of conditions and the following disclaimer.
     12  1.1.2.2  perry  * 2. Redistributions in binary form must reproduce the above copyright
     13  1.1.2.2  perry  *    notice, this list of conditions and the following disclaimer in the
     14  1.1.2.2  perry  *    documentation and/or other materials provided with the distribution.
     15  1.1.2.2  perry  * 3. All advertising materials mentioning features or use of this software
     16  1.1.2.2  perry  *    must display the following acknowledgement:
     17  1.1.2.2  perry  *	This product includes software developed by the University of
     18  1.1.2.2  perry  *	California, Berkeley and its contributors.
     19  1.1.2.2  perry  * 4. Neither the name of the University nor the names of its contributors
     20  1.1.2.2  perry  *    may be used to endorse or promote products derived from this software
     21  1.1.2.2  perry  *    without specific prior written permission.
     22  1.1.2.2  perry  *
     23  1.1.2.2  perry  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  1.1.2.2  perry  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  1.1.2.2  perry  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  1.1.2.2  perry  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  1.1.2.2  perry  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  1.1.2.2  perry  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  1.1.2.2  perry  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  1.1.2.2  perry  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  1.1.2.2  perry  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  1.1.2.2  perry  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  1.1.2.2  perry  * SUCH DAMAGE.
     34  1.1.2.2  perry  */
     35  1.1.2.2  perry 
     36  1.1.2.2  perry #include <errno.h>
     37  1.1.2.2  perry #include <stdio.h>
     38  1.1.2.2  perry #include <string.h>
     39  1.1.2.2  perry 
     40  1.1.2.2  perry /*
     41  1.1.2.2  perry  * Simplified from the libc version.
     42  1.1.2.2  perry  */
     43  1.1.2.2  perry 
     44  1.1.2.2  perry __aconst char *
     45  1.1.2.2  perry strerror(num)
     46  1.1.2.2  perry 	int num;
     47  1.1.2.2  perry {
     48  1.1.2.2  perry 	unsigned int errnum;
     49  1.1.2.2  perry 
     50  1.1.2.2  perry 	errnum = num;				/* convert to unsigned */
     51  1.1.2.2  perry 	if (errnum < sys_nerr)
     52  1.1.2.2  perry 		return((__aconst char *)sys_errlist[errnum]);
     53  1.1.2.2  perry 
     54  1.1.2.2  perry 	return("Unknown error number");
     55  1.1.2.2  perry }
     56