compiler/clib/strerror_rom.c

   1 /*
   2     Copyright © 1995-2011, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     ANSI C function strerror().
   6 */
   7
   8 #include <proto/dos.h>
   9 #include <errno.h>
  10 #include <stdio.h>
  11
  12 extern const char * _errstrings[];
  13
  14 /*****************************************************************************
  15
  16     NAME */
  17 #include <string.h>
  18
  19         char * strerror (
  20
  21 /*  SYNOPSIS */
  22         int n)
  23
  24 /*  FUNCTION
  25         Returns a readable string for an error number in errno.
  26
  27     INPUTS
  28         n - The contents of errno or a #define from errno.h
  29
  30     RESULT
  31         A string describing the error.
  32
  33     NOTES
  34
  35     EXAMPLE
  36
  37     BUGS
  38
  39     SEE ALSO
  40
  41     INTERNALS
  42
  43 ******************************************************************************/
  44 {
  45     if (n > MAX_ERRNO)
  46     {
  47         return NULL;
  48     }
  49
  50     return (char *)_errstrings[n];
  51 } /* strerror */
  52