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/**************************************************************************/
/* */
/* OCaml */
/* */
/* The OCaml programmers */
/* */
/* Copyright 2020 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
/*
* Windows Vista functions enabled
*/
#undef _WIN32_WINNT
#define _WIN32_WINNT 0x0600
#include <caml/mlvalues.h>
#include <caml/memory.h>
#include <caml/alloc.h>
#include <caml/fail.h>
#include <caml/osdeps.h>
#include "unixsupport.h"
#include <windows.h>
#include <stdio.h>
CAMLprim value caml_unix_realpath (value p)
{
CAMLparam1 (p);
HANDLE h;
wchar_t *wp;
wchar_t *wr;
DWORD wr_len;
value rp;
caml_unix_check_path (p, "realpath");
wp = caml_stat_strdup_to_utf16 (String_val (p));
h = CreateFile (wp, 0,
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, NULL,
OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
caml_stat_free (wp);
if (h == INVALID_HANDLE_VALUE)
{
caml_win32_maperr (GetLastError ());
caml_uerror ("realpath", p);
}
wr_len = GetFinalPathNameByHandle (h, NULL, 0, VOLUME_NAME_DOS);
if (wr_len == 0)
{
caml_win32_maperr (GetLastError ());
CloseHandle (h);
caml_uerror ("realpath", p);
}
wr = caml_stat_alloc ((wr_len + 1) * sizeof (wchar_t));
wr_len = GetFinalPathNameByHandle (h, wr, wr_len, VOLUME_NAME_DOS);
if (wr_len == 0)
{
caml_win32_maperr (GetLastError ());
CloseHandle (h);
caml_stat_free (wr);
caml_uerror ("realpath", p);
}
rp = caml_copy_string_of_utf16 (wr);
CloseHandle (h);
caml_stat_free (wr);
CAMLreturn (rp);
}
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