platform_system_core/libunwindstack/Log.cpp

58 lines
1.4 KiB
C++

/*
* Copyright (C) 2016 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 <stdarg.h>
#include <stdint.h>
#include <stdio.h>
#include <string>
#define LOG_TAG "unwind"
#include <log/log.h>
#include <android-base/stringprintf.h>
#include <unwindstack/Log.h>
namespace unwindstack {
static bool g_print_to_stdout = false;
void log_to_stdout(bool enable) {
g_print_to_stdout = enable;
}
// Send the data to the log.
void log(uint8_t indent, const char* format, ...) {
std::string real_format;
if (indent > 0) {
real_format = android::base::StringPrintf("%*s%s", 2 * indent, " ", format);
} else {
real_format = format;
}
va_list args;
va_start(args, format);
if (g_print_to_stdout) {
real_format += '\n';
vprintf(real_format.c_str(), args);
} else {
LOG_PRI_VA(ANDROID_LOG_INFO, LOG_TAG, real_format.c_str(), args);
}
va_end(args);
}
} // namespace unwindstack