1 /* 2 * Copyright (C) 2015 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 <errno.h> 18 #include <stdarg.h> 19 20 #include <string> 21 22 #include <android-base/stringprintf.h> 23 #include <log/log.h> 24 #include <log/logger.h> 25 26 // Forward declarations. 27 class Backtrace; 28 struct EventTagMap; 29 struct AndroidLogEntry; 30 31 std::string g_fake_log_buf; 32 33 std::string g_fake_log_print; 34 35 void resetLogs() { 36 g_fake_log_buf = ""; 37 g_fake_log_print = ""; 38 } 39 40 std::string getFakeLogBuf() { 41 return g_fake_log_buf; 42 } 43 44 std::string getFakeLogPrint() { 45 return g_fake_log_print; 46 } 47 48 extern "C" int __android_log_buf_write(int bufId, int prio, const char* tag, const char* msg) { 49 g_fake_log_buf += std::to_string(bufId) + ' ' + std::to_string(prio) + ' '; 50 g_fake_log_buf += tag; 51 g_fake_log_buf += ' '; 52 g_fake_log_buf += msg; 53 return 1; 54 } 55 56 extern "C" int __android_log_print(int prio, const char* tag, const char* fmt, ...) { 57 g_fake_log_print += std::to_string(prio) + ' '; 58 g_fake_log_print += tag; 59 g_fake_log_print += ' '; 60 61 va_list ap; 62 va_start(ap, fmt); 63 android::base::StringAppendV(&g_fake_log_print, fmt, ap); 64 va_end(ap); 65 66 g_fake_log_print += '\n'; 67 68 return 1; 69 } 70 71 extern "C" log_id_t android_name_to_log_id(const char*) { 72 return LOG_ID_SYSTEM; 73 } 74 75 extern "C" struct logger_list* android_logger_list_open(log_id_t, int, unsigned int, pid_t) { 76 errno = EACCES; 77 return nullptr; 78 } 79 80 extern "C" int android_logger_list_read(struct logger_list*, struct log_msg*) { 81 return 0; 82 } 83 84 extern "C" EventTagMap* android_openEventTagMap(const char*) { 85 return nullptr; 86 } 87 88 extern "C" int android_log_processBinaryLogBuffer( 89 struct logger_entry*, 90 AndroidLogEntry*, const EventTagMap*, char*, int) { 91 return 0; 92 } 93 94 extern "C" void android_logger_list_free(struct logger_list*) { 95 } 96
