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/**************************************************************************/
/* */
/* OCaml */
/* */
/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
/* */
/* Copyright 2001 Institut National de Recherche en Informatique et */
/* en Automatique. */
/* */
/* All rights reserved. This file is distributed under the terms of */
/* the GNU Lesser General Public License version 2.1, with the */
/* special exception on linking described in the file LICENSE. */
/* */
/**************************************************************************/
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <caml/mlvalues.h>
#include <caml/alloc.h>
#include "unixsupport.h"
extern int error_table[];
CAMLprim value unix_error_message(value err)
{
int errnum;
char buffer[512];
errnum = Is_block(err) ? Int_val(Field(err, 0)) : error_table[Int_val(err)];
if (errnum > 0)
return copy_string(strerror(errnum));
if (FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
-errnum,
0,
buffer,
sizeof(buffer),
NULL))
return copy_string(buffer);
sprintf(buffer, "unknown error #%d", errnum);
return copy_string(buffer);
}
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