1 // Copyright 2015 The Crashpad Authors. All rights reserved. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #include "util/win/get_function.h" 16 17 #include "base/check.h" 18 #include "base/strings/utf_string_conversions.h" 19 20 namespace crashpad { 21 namespace internal { 22 GetFunctionInternal(const wchar_t * library,const char * function,bool required)23FARPROC GetFunctionInternal( 24 const wchar_t* library, const char* function, bool required) { 25 HMODULE module = LoadLibrary(library); 26 DPCHECK(!required || module) << "LoadLibrary " << base::WideToUTF8(library); 27 if (!module) { 28 return nullptr; 29 } 30 31 // Strip off any leading :: that may have come from stringifying the 32 // function’s name. 33 if (function[0] == ':' && function[1] == ':' && 34 function[2] && function[2] != ':') { 35 function += 2; 36 } 37 38 FARPROC proc = GetProcAddress(module, function); 39 DPCHECK(!required || proc) << "GetProcAddress " << function; 40 return proc; 41 } 42 43 } // namespace internal 44 } // namespace crashpad 45