1 /* 2 * Copyright (C) 2016 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 <stdarg.h> 18 #include <stdint.h> 19 #include <stdio.h> 20 21 #include <string> 22 23 #define LOG_TAG "unwind" 24 #include <log/log.h> 25 26 #include <android-base/stringprintf.h> 27 28 #include <unwindstack/Log.h> 29 30 namespace unwindstack { 31 32 static bool g_print_to_stdout = false; 33 34 void log_to_stdout(bool enable) { 35 g_print_to_stdout = enable; 36 } 37 38 // Send the data to the log. 39 void log(uint8_t indent, const char* format, ...) { 40 std::string real_format; 41 if (indent > 0) { 42 real_format = android::base::StringPrintf("%*s%s", 2 * indent, " ", format); 43 } else { 44 real_format = format; 45 } 46 va_list args; 47 va_start(args, format); 48 if (g_print_to_stdout) { 49 real_format += '\n'; 50 vprintf(real_format.c_str(), args); 51 } else { 52 LOG_PRI_VA(ANDROID_LOG_INFO, LOG_TAG, real_format.c_str(), args); 53 } 54 va_end(args); 55 } 56 57 } // namespace unwindstack 58
