43 lines
1.5 KiB
C
43 lines
1.5 KiB
C
/***********************************************************************/
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/* */
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/* Objective Caml */
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/* */
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/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
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/* */
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/* Copyright 2001 Institut National de Recherche en Informatique et */
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/* en Automatique. All rights reserved. This file is distributed */
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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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/* */
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/***********************************************************************/
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/* $Id$ */
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#include <errno.h>
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#include <string.h>
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#include <mlvalues.h>
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#include <alloc.h>
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#include "unixsupport.h"
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extern int error_table[];
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CAMLprim value unix_error_message(value err)
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{
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int errnum;
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char buffer[512];
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errnum = Is_block(err) ? Int_val(Field(err, 0)) : error_table[Int_val(err)];
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if (errnum > 0)
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return copy_string(strerror(errnum));
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if (FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
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NULL,
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-errnum,
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0,
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buffer,
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sizeof(buffer),
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NULL))
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return copy_string(buffer);
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return copy_string("unknown error");
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}
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