1 /* 2 * 3 * Copyright 2016 gRPC authors. 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 */ 18 19 #include "rb_grpc_imports.generated.h" 20 21 #if GPR_WINDOWS 22 #include <tchar.h> 23 grpc_rb_load_core()24int grpc_rb_load_core() { 25 #if GPR_ARCH_64 26 #if GRPC_RUBY_WINDOWS_UCRT 27 TCHAR fname[] = _T("grpc_c.64-ucrt.ruby"); 28 #else 29 TCHAR fname[] = _T("grpc_c.64-msvcrt.ruby"); 30 #endif 31 #else 32 TCHAR fname[] = _T("grpc_c.32-msvcrt.ruby"); 33 #endif 34 HMODULE module = GetModuleHandle(_T("grpc_c.so")); 35 TCHAR path[2048 + 32] = _T(""); 36 LPTSTR seek_back = NULL; 37 GetModuleFileName(module, path, 2048); 38 39 seek_back = _tcsrchr(path, _T('\\')); 40 41 while (seek_back) { 42 HMODULE grpc_c; 43 _tcscpy(seek_back + 1, fname); 44 grpc_c = LoadLibrary(path); 45 if (grpc_c) { 46 grpc_rb_load_imports(grpc_c); 47 return 1; 48 } else { 49 *seek_back = _T('\0'); 50 seek_back = _tcsrchr(path, _T('\\')); 51 } 52 } 53 54 return 0; 55 } 56 57 #else 58 grpc_rb_load_core()59int grpc_rb_load_core() { return 1; } 60 61 #endif 62