1 /* 2 * Copyright (C) 2017 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 "log.h" 18 19 #ifndef ANDROID 20 #include <stdarg.h> 21 #ifdef USE_LOG_TIMESTAMPS 22 #include <time.h> 23 #endif // USE_LOG_TIMESTAMPS 24 25 static void vlogf(FILE* stream, const char* fmt, va_list args) { 26 #ifdef USE_LOG_TIMESTAMPS 27 struct timespec ts; 28 struct tm localTime; 29 static bool newLine = true; 30 if (newLine && clock_gettime(CLOCK_REALTIME, &ts) == 0) { 31 time_t now = ts.tv_sec; 32 if (localtime_r(&now, &localTime)) { 33 char format[32]; 34 char timestamp[1024]; 35 snprintf(format, sizeof(format), "[%%T.%03lld] ", (long long)(ts.tv_nsec) / 1000000); 36 strftime(timestamp, sizeof(timestamp), format, &localTime); 37 fprintf(stream, "%s ", timestamp); 38 } 39 } 40 newLine = (fmt[strlen(fmt) - 1] == '\n'); 41 #endif // USE_LOG_TIMESTAMPS 42 vfprintf(stream, fmt, args); 43 } 44 45 static void logf(FILE* stream, const char* fmt, ...) { 46 va_list args; 47 va_start(args, fmt); 48 vlogf(stream, fmt, args); 49 va_end(args); 50 } 51 52 void loge(const char* fmt, ...) { 53 va_list args; 54 va_start(args, fmt); 55 vlogf(stderr, fmt, args); 56 va_end(args); 57 } 58 59 void logd(const char* fmt, ...) { 60 va_list args; 61 va_start(args, fmt); 62 vlogf(stdout, fmt, args); 63 va_end(args); 64 } 65 #endif // !ANDROID 66