1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
/**************************************************************************/
/* */
/* 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. */
/* */
/**************************************************************************/
#define CAML_INTERNALS
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <caml/mlvalues.h>
#include <caml/alloc.h>
#include <caml/osdeps.h>
#include "caml/unixsupport.h"
CAMLprim value caml_unix_error_message(value err)
{
int errnum;
wchar_t buffer[512];
errnum = caml_unix_code_of_unix_error(err);
if (errnum > 0)
return caml_copy_string(strerror(errnum));
if (FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
-errnum,
0,
buffer,
sizeof(buffer)/sizeof(wchar_t),
NULL))
return caml_copy_string_of_utf16(buffer);
swprintf(buffer, sizeof(buffer)/sizeof(wchar_t),
L"unknown error #%d", errnum);
return caml_copy_string_of_utf16(buffer);
}
|
