Sweden-Number/dlls/winecrt0/unix_lib.c

57 lines
1.8 KiB
C

/*
* Support for the Unix part of builtin dlls
*
* Copyright 2019 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
*/
#ifdef __WINE_PE_BUILD
#include <stdarg.h>
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winbase.h"
#include "winternl.h"
#include "wine/unixlib.h"
static NTSTATUS (WINAPI *p__wine_unix_call)( unixlib_handle_t, unsigned int, void * );
static void load_func( void **func, const char *name, void *def )
{
if (!*func)
{
HMODULE module = GetModuleHandleW( L"ntdll.dll" );
void *proc = GetProcAddress( module, name );
InterlockedExchangePointer( func, proc ? proc : def );
}
}
#define LOAD_FUNC(name) load_func( (void **)&p ## name, #name, fallback ## name )
static NTSTATUS __cdecl fallback__wine_unix_call( unixlib_handle_t handle, unsigned int code, void *args )
{
return STATUS_DLL_NOT_FOUND;
}
NTSTATUS WINAPI __wine_unix_call( unixlib_handle_t handle, unsigned int code, void *args )
{
LOAD_FUNC( __wine_unix_call );
return p__wine_unix_call( handle, code, args );
}
#endif /* __WINE_PE_BUILD */