================================================================================================
| 49 | |
| 50 | // ================================================================================================ |
| 51 | void* Os::loadLibrary(const char* libraryname) { |
| 52 | void* handle; |
| 53 | |
| 54 | // Try with the system library prefix and extension instead. |
| 55 | std::string str = libraryname; |
| 56 | |
| 57 | size_t namestart = str.rfind(fileSeparator()); |
| 58 | namestart = (namestart != std::string::npos) ? namestart + 1 : 0; |
| 59 | |
| 60 | if (namestart == 0) { |
| 61 | #if IS_WINDOWS |
| 62 | // Try with the path of the current loaded dll(OCL runtime) first |
| 63 | HMODULE hm = NULL; |
| 64 | if (!GetModuleHandleExA( |
| 65 | GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS | GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT, |
| 66 | (LPCSTR)&loadLibrary, &hm)) |
| 67 | return NULL; |
| 68 | |
| 69 | char cszDllPath[1024] = {0}; |
| 70 | if (!GetModuleFileNameA(hm, cszDllPath, sizeof(cszDllPath))) return NULL; |
| 71 | |
| 72 | LPSTR cszFileName; |
| 73 | char buffer[1024] = {0}; |
| 74 | if (!GetFullPathNameA(cszDllPath, sizeof(buffer), buffer, &cszFileName)) return NULL; |
| 75 | |
| 76 | std::string newPath; |
| 77 | newPath = cszDllPath; |
| 78 | newPath.replace(newPath.find(cszFileName), strlen(libraryname), libraryname); |
| 79 | |
| 80 | handle = Os::loadLibrary_(newPath.c_str()); |
| 81 | if (handle != NULL) { |
| 82 | return handle; |
| 83 | } |
| 84 | #endif |
| 85 | } |
| 86 | |
| 87 | handle = Os::loadLibrary_(libraryname); |
| 88 | if (handle != NULL) { |
| 89 | return handle; |
| 90 | } |
| 91 | |
| 92 | const char* prefix = Os::libraryPrefix(); |
| 93 | if (prefix != NULL && str.compare(namestart, strlen(prefix), prefix) == 0) { |
| 94 | // It is alread present, not need to prepend it. |
| 95 | prefix = NULL; |
| 96 | } |
| 97 | size_t dot = str.rfind('.'); |
| 98 | if (dot != std::string::npos) { |
| 99 | // check that the dot was on the filename not a dir name. |
| 100 | if (namestart < dot) { |
| 101 | // strip the previous extension. |
| 102 | str.resize(dot); |
| 103 | } |
| 104 | } |
| 105 | if (prefix != NULL && prefix[0] != '\0') { |
| 106 | str.insert(namestart, prefix); |
| 107 | } |
| 108 | str.append(Os::libraryExtension()); |