ocaml/otherlibs/win32unix/rename.c

44 lines
1.7 KiB
C

/***********************************************************************/
/* */
/* OCaml */
/* */
/* Contributed by Tracy Camp, PolyServe Inc., <campt@polyserve.com> */
/* */
/* Copyright 2002 Institut National de Recherche en Informatique et */
/* en Automatique. All rights reserved. This file is distributed */
/* under the terms of the GNU Library General Public License, with */
/* the special exception on linking described in file ../../LICENSE. */
/* */
/***********************************************************************/
/* $Id$ */
#include <stdio.h>
#include <mlvalues.h>
#include "unixsupport.h"
CAMLprim value unix_rename(value path1, value path2)
{
static int supports_MoveFileEx = -1; /* don't know yet */
BOOL ok;
if (supports_MoveFileEx < 0) {
OSVERSIONINFO VersionInfo;
VersionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
supports_MoveFileEx =
(GetVersionEx(&VersionInfo) != 0)
&& (VersionInfo.dwPlatformId == VER_PLATFORM_WIN32_NT);
}
if (supports_MoveFileEx > 0)
ok = MoveFileEx(String_val(path1), String_val(path2),
MOVEFILE_REPLACE_EXISTING | MOVEFILE_WRITE_THROUGH |
MOVEFILE_COPY_ALLOWED);
else
ok = MoveFile(String_val(path1), String_val(path2));
if (! ok) {
win32_maperr(GetLastError());
uerror("rename", path1);
}
return Val_unit;
}