| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "linker_dlwarning.h" |
| |
| #include <strings.h> |
| |
| #include <string> |
| |
| static std::string current_msg; |
| |
| void add_dlwarning(const char* sopath, const char* message, const char* value) { |
| if (!current_msg.empty()) { |
| current_msg += '\n'; |
| } |
| |
| current_msg = current_msg + basename(sopath) + ": " + message; |
| |
| if (value != nullptr) { |
| current_msg = current_msg + " \"" + value + "\""; |
| } |
| } |
| |
| // Resets the current one (like dlerror but instead of |
| // being thread-local it is process-local). |
| void get_dlwarning(void* obj, void (*f)(void*, const char*)) { |
| if (current_msg.empty()) { |
| f(obj, nullptr); |
| } else { |
| std::string msg = current_msg; |
| current_msg.clear(); |
| f(obj, msg.c_str()); |
| } |
| } |