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 25 #include "LogFake.h" 26 27 // Forward declarations. 28 class Backtrace; 29 struct EventTagMap; 30 struct AndroidLogEntry; 31 32 std::string g_fake_log_buf; 33 34 std::string g_fake_log_print; 35 36 void ResetLogs() { 37 g_fake_log_buf = ""; 38 g_fake_log_print = ""; 39 } 40 41 std::string GetFakeLogBuf() { 42 return g_fake_log_buf; 43 } 44 45 std::string GetFakeLogPrint() { 46 return g_fake_log_print; 47 } 48 49 extern "C" int __android_log_buf_write(int bufId, int prio, const char* tag, const char* msg) { 50 g_fake_log_buf += std::to_string(bufId) + ' ' + std::to_string(prio) + ' '; 51 g_fake_log_buf += tag; 52 g_fake_log_buf += ' '; 53 g_fake_log_buf += msg; 54 return 1; 55 } 56 57 extern "C" int __android_log_print(int prio, const char* tag, const char* fmt, ...) { 58 va_list ap; 59 va_start(ap, fmt); 60 int val = __android_log_vprint(prio, tag, fmt, ap); 61 va_end(ap); 62 63 return val; 64 } 65 66 extern "C" int __android_log_vprint(int prio, const char* tag, const char* fmt, va_list ap) { 67 g_fake_log_print += std::to_string(prio) + ' '; 68 g_fake_log_print += tag; 69 g_fake_log_print += ' '; 70 71 android::base::StringAppendV(&g_fake_log_print, fmt, ap); 72 73 g_fake_log_print += '\n'; 74 75 return 1; 76 } 77 78 extern "C" log_id_t android_name_to_log_id(const char*) { 79 return LOG_ID_SYSTEM; 80 } 81 82 extern "C" struct logger_list* android_logger_list_open(log_id_t, int, unsigned int, pid_t) { 83 errno = EACCES; 84 return nullptr; 85 } 86 87 extern "C" int android_logger_list_read(struct logger_list*, struct log_msg*) { 88 return 0; 89 } 90 91 extern "C" EventTagMap* android_openEventTagMap(const char*) { 92 return nullptr; 93 } 94 95 extern "C" int android_log_processBinaryLogBuffer( 96 struct logger_entry*, 97 AndroidLogEntry*, const EventTagMap*, char*, int) { 98 return 0; 99 } 100 101 extern "C" void android_logger_list_free(struct logger_list*) { 102 } 103
