769b33fadf
This change includes dlwarning implementation and the compatibility greylist for apps targeting pre-N. Change-Id: Ibf02a07cc58cbbb1a5aef4ac34558c5d43e4305f Test: Run bionic-unit-tests --gtest_filter=dl*:Dl*
47 lines
1.3 KiB
C++
47 lines
1.3 KiB
C++
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "linker_dlwarning.h"
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#include <strings.h>
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#include <string>
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static std::string current_msg;
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void add_dlwarning(const char* sopath, const char* message, const char* value) {
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if (!current_msg.empty()) {
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current_msg += '\n';
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}
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current_msg = current_msg + basename(sopath) + ": " + message;
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if (value != nullptr) {
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current_msg = current_msg + " \"" + value + "\"";
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}
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}
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// Resets the current one (like dlerror but instead of
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// being thread-local it is process-local).
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void get_dlwarning(void* obj, void (*f)(void*, const char*)) {
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if (current_msg.empty()) {
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f(obj, nullptr);
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} else {
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std::string msg = current_msg;
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current_msg.clear();
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f(obj, msg.c_str());
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}
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}
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