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 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 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 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