1995-08-09 08:06:35 -07:00
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/***********************************************************************/
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/* */
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1996-04-30 07:53:58 -07:00
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/* Objective Caml */
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1995-08-09 08:06:35 -07:00
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/* */
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/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
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/* */
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1996-04-30 07:53:58 -07:00
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/* Copyright 1996 Institut National de Recherche en Informatique et */
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1999-11-17 10:59:06 -08:00
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/* en Automatique. All rights reserved. This file is distributed */
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2001-12-07 05:41:02 -08:00
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/* under the terms of the GNU Library General Public License, with */
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/* the special exception on linking described in file ../../LICENSE. */
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1995-08-09 08:06:35 -07:00
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/* */
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/***********************************************************************/
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/* $Id$ */
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1995-05-08 08:18:32 -07:00
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#include <errno.h>
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#include <mlvalues.h>
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#include <alloc.h>
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extern int error_table[];
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#ifdef HAS_STRERROR
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1997-09-02 05:55:01 -07:00
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extern char * strerror(int);
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1995-05-08 08:18:32 -07:00
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2001-08-28 07:47:48 -07:00
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CAMLprim value unix_error_message(value err)
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1995-05-08 08:18:32 -07:00
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{
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int errnum;
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1998-02-26 04:53:08 -08:00
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errnum = Is_block(err) ? Int_val(Field(err, 0)) : error_table[Int_val(err)];
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1996-02-13 08:28:24 -08:00
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return copy_string(strerror(errnum));
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1995-05-08 08:18:32 -07:00
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}
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#else
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extern int sys_nerr;
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extern char *sys_errlist[];
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2001-08-28 07:47:48 -07:00
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CAMLprim value unix_error_message(value err)
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1995-05-08 08:18:32 -07:00
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{
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int errnum;
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1998-02-26 04:53:08 -08:00
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errnum = Is_block(err) ? Int_val(Field(err, 0)) : error_table[Int_val(err)];
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1995-05-08 08:18:32 -07:00
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if (errnum < 0 || errnum >= sys_nerr) {
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return copy_string("Unknown error");
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} else {
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return copy_string(sys_errlist[errnum]);
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}
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}
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#endif
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