dist/ntp/libntp/strerror.c

   1 /*      $NetBSD$        */
   2
   3 #include <config.h>
   4
   5 #if !HAVE_STRERROR
   6 /*
   7  * Copyright (c) 1988 Regents of the University of California.
   8  * All rights reserved.
   9  *
  10  * Redistribution and use in source and binary forms are permitted
  11  * provided that the above copyright notice and this paragraph are
  12  * duplicated in all such forms and that any documentation,
  13  * advertising materials, and other materials related to such
  14  * distribution and use acknowledge that the software was developed
  15  * by the University of California, Berkeley.  The name of the
  16  * University may not be used to endorse or promote products derived
  17  * from this software without specific prior written permission.
  18  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
  19  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  20  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  21  */
  22
  23 #if defined(LIBC_SCCS) && !defined(lint)
  24 static const char sccsid[] = "@(#)strerror.c    5.1 (Berkeley) 4/9/89";
  25 #endif /* LIBC_SCCS and not lint */
  26
  27 #include <sys/types.h>
  28
  29 #include <stdio.h>
  30 #include <string.h>
  31
  32 #include "l_stdlib.h"
  33
  34 char *
  35 strerror(
  36         int errnum
  37         )
  38 {
  39         extern int sys_nerr;
  40         extern char *sys_errlist[];
  41         static char ebuf[20];
  42
  43         if ((unsigned int)errnum < sys_nerr)
  44                 return(sys_errlist[errnum]);
  45         (void)sprintf(ebuf, "Unknown error: %d", errnum);
  46         return(ebuf);
  47 }
  48 #else
  49 int strerror_bs;
  50 #endif