1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "linker_dlwarning.h" 18 19 #include <strings.h> 20 21 #include <string> 22 23 static std::string current_msg; 24 25 void add_dlwarning(const char* sopath, const char* message, const char* value) { 26 if (!current_msg.empty()) { 27 current_msg += '\n'; 28 } 29 30 current_msg = current_msg + basename(sopath) + ": " + message; 31 32 if (value != nullptr) { 33 current_msg = current_msg + " \"" + value + "\""; 34 } 35 } 36 37 // Resets the current one (like dlerror but instead of 38 // being thread-local it is process-local). 39 void get_dlwarning(void* obj, void (*f)(void*, const char*)) { 40 if (current_msg.empty()) { 41 f(obj, nullptr); 42 } else { 43 std::string msg = current_msg; 44 current_msg.clear(); 45 f(obj, msg.c_str()); 46 } 47 } 48
