ocaml/otherlibs/win32unix/link.c

43 lines
1.6 KiB
C

/***********************************************************************/
/* */
/* Objective Caml */
/* */
/* File contributed by Lionel Fourquaux */
/* */
/* Copyright 2001 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 <windows.h>
#include <mlvalues.h>
#include <fail.h>
#include "unixsupport.h"
typedef
BOOL (WINAPI *tCreateHardLink)(
LPCTSTR lpFileName,
LPCTSTR lpExistingFileName,
LPSECURITY_ATTRIBUTES lpSecurityAttributes
);
CAMLprim value unix_link(value path1, value path2)
{
HMODULE hModKernel32;
tCreateHardLink pCreateHardLink;
hModKernel32 = GetModuleHandle("KERNEL32.DLL");
pCreateHardLink =
(tCreateHardLink) GetProcAddress(hModKernel32, "CreateHardLinkA");
if (pCreateHardLink == NULL)
invalid_argument("Unix.link not implemented");
if (! pCreateHardLink(String_val(path2), String_val(path1), NULL)) {
win32_maperr(GetLastError());
uerror("link", path2);
}
return Val_unit;
}