2 * Support for delayed imports
4 * Copyright 2005 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
30 IMAGE_THUNK_DATA *pIAT;
31 const IMAGE_THUNK_DATA *pINT;
32 const IMAGE_THUNK_DATA *pBoundIAT;
33 const IMAGE_THUNK_DATA *pUnloadIAT;
37 extern struct ImgDelayDescr __wine_spec_delay_imports[];
39 extern FARPROC WINAPI DelayLoadFailureHook( LPCSTR name, LPCSTR function );
41 FARPROC WINAPI DECLSPEC_HIDDEN __wine_spec_delay_load( unsigned int id )
43 struct ImgDelayDescr *descr = __wine_spec_delay_imports + HIWORD(id);
44 WORD func = LOWORD(id);
47 if (!*descr->phmod) *descr->phmod = LoadLibraryA( descr->szName );
49 !(proc = GetProcAddress( *descr->phmod, (LPCSTR)descr->pINT[func].u1.Function )))
50 proc = DelayLoadFailureHook( descr->szName, (LPCSTR)descr->pINT[func].u1.Function );
51 descr->pIAT[func].u1.Function = (ULONG_PTR)proc;
56 static void free_delay_imports(void) __attribute__((destructor));
57 static void free_delay_imports(void)
59 struct ImgDelayDescr *descr;
60 for (descr = __wine_spec_delay_imports; descr->szName; descr++)
61 if (*descr->phmod) FreeLibrary( *descr->phmod );