1 /**************************************************************
2 *
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 *
20 *************************************************************/
21
22
23
24 #include "macros.h"
25
26
ResolveThunk_WINDOWS(FARPROC * lppfn,LPCSTR lpLibFileName,LPCSTR lpFuncName,FARPROC lpfnEmulate,FARPROC lpfnFailure)27 EXTERN_C void WINAPI ResolveThunk_WINDOWS( FARPROC *lppfn, LPCSTR lpLibFileName, LPCSTR lpFuncName, FARPROC lpfnEmulate, FARPROC lpfnFailure )
28 {
29 FARPROC lpfnResult = (LONG)GetVersion() < 0 ? lpfnEmulate : GetProcAddress( LoadLibraryA( lpLibFileName ), lpFuncName );
30
31 if ( !lpfnResult )
32 lpfnResult = lpfnEmulate;
33
34 if ( !lpfnResult )
35 lpfnResult = lpfnFailure;
36
37 *lppfn = lpfnResult;
38 }
39
40
ResolveThunk_TRYLOAD(FARPROC * lppfn,LPCSTR lpLibFileName,LPCSTR lpFuncName,FARPROC lpfnEmulate,FARPROC lpfnFailure)41 EXTERN_C void WINAPI ResolveThunk_TRYLOAD( FARPROC *lppfn, LPCSTR lpLibFileName, LPCSTR lpFuncName, FARPROC lpfnEmulate, FARPROC lpfnFailure )
42 {
43 FARPROC lpfnResult = GetProcAddress( LoadLibraryA( lpLibFileName ), lpFuncName );
44
45 if ( !lpfnResult )
46 lpfnResult = lpfnEmulate;
47
48 if ( !lpfnResult )
49 lpfnResult = lpfnFailure;
50
51 *lppfn = lpfnResult;
52 }
53
54
ResolveThunk_ALLWAYS(FARPROC * lppfn,LPCSTR lpLibFileName,LPCSTR lpFuncName,FARPROC lpfnEmulate,FARPROC lpfnFailure)55 EXTERN_C void WINAPI ResolveThunk_ALLWAYS( FARPROC *lppfn, LPCSTR lpLibFileName, LPCSTR lpFuncName, FARPROC lpfnEmulate, FARPROC lpfnFailure )
56 {
57 *lppfn = lpfnEmulate ? lpfnEmulate : lpfnFailure;
58 }
59
60
61