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60 lines
2.1 KiB
60 lines
2.1 KiB
/*
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* Copyright (C) 2015 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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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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