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77 lines
1.9 KiB
77 lines
1.9 KiB
4 months ago
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/*
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* Copyright (C) 2016 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 <stdarg.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <string>
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#define LOG_TAG "unwind"
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#include <log/log.h>
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#if defined(__BIONIC__)
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#include <async_safe/log.h>
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#endif
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#include <android-base/stringprintf.h>
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#include <unwindstack/Log.h>
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namespace unwindstack {
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static bool g_print_to_stdout = false;
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void log_to_stdout(bool enable) {
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g_print_to_stdout = enable;
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}
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// Send the data to the log.
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void log(uint8_t indent, const char* format, ...) {
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std::string real_format;
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if (indent > 0) {
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real_format = android::base::StringPrintf("%*s%s", 2 * indent, " ", format);
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} else {
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real_format = format;
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}
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va_list args;
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va_start(args, format);
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if (g_print_to_stdout) {
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real_format += '\n';
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vprintf(real_format.c_str(), args);
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} else {
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LOG_PRI_VA(ANDROID_LOG_INFO, LOG_TAG, real_format.c_str(), args);
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}
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va_end(args);
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}
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#if defined(__BIONIC__)
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void log_async_safe(const char* format, ...) {
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if (g_print_to_stdout) {
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// Printing to stdout is never async safe, so throw the message away.
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return;
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}
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va_list args;
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va_start(args, format);
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async_safe_format_log_va_list(ANDROID_LOG_ERROR, "libunwindstack", format, args);
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va_end(args);
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}
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#else
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void log_async_safe(const char*, ...) {}
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#endif
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} // namespace unwindstack
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