compiler/clib/strerror.c

   1 /*
   2     Copyright © 1995-2012, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     ANSI C function strerror().
   6 */
   7
   8 #include "__arosc_privdata.h"
   9
  10 #include <proto/dos.h>
  11 #include <errno.h>
  12 #include <stdio.h>
  13
  14 extern const char * _errstrings[];
  15
  16 /*****************************************************************************
  17
  18     NAME */
  19 #include <string.h>
  20
  21         char * strerror (
  22
  23 /*  SYNOPSIS */
  24         int n)
  25
  26 /*  FUNCTION
  27         Returns a readable string for an error number in errno.
  28
  29     INPUTS
  30         n - The contents of errno or a #define from errno.h
  31
  32     RESULT
  33         A string describing the error.
  34
  35     NOTES
  36
  37     EXAMPLE
  38
  39     BUGS
  40
  41     SEE ALSO
  42
  43     INTERNALS
  44
  45 ******************************************************************************/
  46 {
  47     if (n > MAX_ERRNO)
  48     {
  49         struct aroscbase *aroscbase = __GM_GetBase();
  50
  51         Fault(n - MAX_ERRNO, NULL, aroscbase->acb_fault_buf, sizeof(aroscbase->acb_fault_buf));
  52
  53         return aroscbase->acb_fault_buf;
  54     }
  55
  56     return (char *)_errstrings[n];
  57 } /* strerror */
  58