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 struct EventTagMap; 29 struct AndroidLogEntry; 30 31 std::string g_fake_log_buf; 32 33 std::string g_fake_log_print; 34 35 namespace unwindstack { 36 37 void ResetLogs() { 38 g_fake_log_buf = ""; 39 g_fake_log_print = ""; 40 } 41 42 std::string GetFakeLogBuf() { 43 return g_fake_log_buf; 44 } 45 46 std::string GetFakeLogPrint() { 47 return g_fake_log_print; 48 } 49 50 } // namespace unwindstack 51 52 extern "C" int __android_log_buf_write(int bufId, int prio, const char* tag, const char* msg) { 53 g_fake_log_buf += std::to_string(bufId) + ' ' + std::to_string(prio) + ' '; 54 g_fake_log_buf += tag; 55 g_fake_log_buf += ' '; 56 g_fake_log_buf += msg; 57 return 1; 58 } 59 60 extern "C" int __android_log_print(int prio, const char* tag, const char* fmt, ...) { 61 va_list ap; 62 va_start(ap, fmt); 63 int val = __android_log_vprint(prio, tag, fmt, ap); 64 va_end(ap); 65 66 return val; 67 } 68 69 extern "C" int __android_log_vprint(int prio, const char* tag, const char* fmt, va_list ap) { 70 g_fake_log_print += std::to_string(prio) + ' '; 71 g_fake_log_print += tag; 72 g_fake_log_print += ' '; 73 74 android::base::StringAppendV(&g_fake_log_print, fmt, ap); 75 76 g_fake_log_print += '\n'; 77 78 return 1; 79 } 80 81 extern "C" log_id_t android_name_to_log_id(const char*) { 82 return LOG_ID_SYSTEM; 83 } 84 85 extern "C" struct logger_list* android_logger_list_open(log_id_t, int, unsigned int, pid_t) { 86 errno = EACCES; 87 return nullptr; 88 } 89 90 extern "C" int android_logger_list_read(struct logger_list*, struct log_msg*) { 91 return 0; 92 } 93 94 extern "C" EventTagMap* android_openEventTagMap(const char*) { 95 return nullptr; 96 } 97 98 extern "C" int android_log_processBinaryLogBuffer( 99 struct logger_entry*, 100 AndroidLogEntry*, const EventTagMap*, char*, int) { 101 return 0; 102 } 103 104 extern "C" void android_logger_list_free(struct logger_list*) { 105 } 106
