mirror of
https://github.com/reactos/wine.git
synced 2024-12-07 03:17:17 +00:00
64 lines
2.1 KiB
C
64 lines
2.1 KiB
C
/*
|
|
* Support for delayed imports
|
|
*
|
|
* Copyright 2005 Alexandre Julliard
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
|
|
*/
|
|
|
|
#include <stdarg.h>
|
|
#include "windef.h"
|
|
#include "winbase.h"
|
|
|
|
struct ImgDelayDescr
|
|
{
|
|
DWORD_PTR grAttrs;
|
|
LPCSTR szName;
|
|
HMODULE *phmod;
|
|
IMAGE_THUNK_DATA *pIAT;
|
|
const IMAGE_THUNK_DATA *pINT;
|
|
const IMAGE_THUNK_DATA *pBoundIAT;
|
|
const IMAGE_THUNK_DATA *pUnloadIAT;
|
|
DWORD_PTR dwTimeStamp;
|
|
};
|
|
|
|
extern struct ImgDelayDescr __wine_spec_delay_imports[];
|
|
|
|
extern FARPROC WINAPI DelayLoadFailureHook( LPCSTR name, LPCSTR function );
|
|
|
|
FARPROC WINAPI DECLSPEC_HIDDEN __wine_spec_delay_load( unsigned int id )
|
|
{
|
|
struct ImgDelayDescr *descr = __wine_spec_delay_imports + HIWORD(id);
|
|
WORD func = LOWORD(id);
|
|
FARPROC proc;
|
|
|
|
if (!*descr->phmod) *descr->phmod = LoadLibraryA( descr->szName );
|
|
if (!*descr->phmod ||
|
|
!(proc = GetProcAddress( *descr->phmod, (LPCSTR)descr->pINT[func].u1.Function )))
|
|
proc = DelayLoadFailureHook( descr->szName, (LPCSTR)descr->pINT[func].u1.Function );
|
|
descr->pIAT[func].u1.Function = (ULONG_PTR)proc;
|
|
return proc;
|
|
}
|
|
|
|
#ifdef __GNUC__
|
|
static void free_delay_imports(void) __attribute__((destructor));
|
|
static void free_delay_imports(void)
|
|
{
|
|
struct ImgDelayDescr *descr;
|
|
for (descr = __wine_spec_delay_imports; descr->szName; descr++)
|
|
if (*descr->phmod) FreeLibrary( *descr->phmod );
|
|
}
|
|
#endif
|