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 // Forward declarations.
26 class Backtrace;
27 struct EventTagMap;
28 struct AndroidLogEntry;
29
30 std::string g_fake_log_buf;
31
32 std::string g_fake_log_print;
33
resetLogs()34 void resetLogs() {
35 g_fake_log_buf = "";
36 g_fake_log_print = "";
37 }
38
getFakeLogBuf()39 std::string getFakeLogBuf() {
40 return g_fake_log_buf;
41 }
42
getFakeLogPrint()43 std::string getFakeLogPrint() {
44 return g_fake_log_print;
45 }
46
async_safe_format_log(int priority,const char * tag,const char * format,...)47 extern "C" int async_safe_format_log(int priority, const char* tag, const char* format, ...) {
48 g_fake_log_print += std::to_string(priority) + ' ' + tag + ' ';
49
50 va_list ap;
51 va_start(ap, format);
52 android::base::StringAppendV(&g_fake_log_print, format, ap);
53 va_end(ap);
54
55 g_fake_log_print += '\n';
56
57 return 0;
58 }
59
async_safe_write_log(int priority,const char * tag,const char * msg)60 extern "C" int async_safe_write_log(int priority, const char* tag, const char* msg) {
61 g_fake_log_print += std::to_string(priority) + ' ' + tag + ' ' + msg + '\n';
62
63 return 0;
64 }
65
__android_log_buf_write(int bufId,int prio,const char * tag,const char * msg)66 extern "C" int __android_log_buf_write(int bufId, int prio, const char* tag, const char* msg) {
67 g_fake_log_buf += std::to_string(bufId) + ' ' + std::to_string(prio) + ' ';
68 g_fake_log_buf += tag;
69 g_fake_log_buf += ' ';
70 g_fake_log_buf += msg;
71 return 1;
72 }
73
__android_log_print(int prio,const char * tag,const char * fmt,...)74 extern "C" int __android_log_print(int prio, const char* tag, const char* fmt, ...) {
75 g_fake_log_print += std::to_string(prio) + ' ';
76 g_fake_log_print += tag;
77 g_fake_log_print += ' ';
78
79 va_list ap;
80 va_start(ap, fmt);
81 android::base::StringAppendV(&g_fake_log_print, fmt, ap);
82 va_end(ap);
83
84 g_fake_log_print += '\n';
85
86 return 1;
87 }
88
android_name_to_log_id(const char *)89 extern "C" log_id_t android_name_to_log_id(const char*) {
90 return LOG_ID_SYSTEM;
91 }
92
android_logger_list_open(log_id_t,int,unsigned int,pid_t)93 extern "C" struct logger_list* android_logger_list_open(log_id_t, int, unsigned int, pid_t) {
94 errno = EACCES;
95 return nullptr;
96 }
97
android_logger_list_read(struct logger_list *,struct log_msg *)98 extern "C" int android_logger_list_read(struct logger_list*, struct log_msg*) {
99 return 0;
100 }
101
android_openEventTagMap(const char *)102 extern "C" EventTagMap* android_openEventTagMap(const char*) {
103 return nullptr;
104 }
105
android_log_processBinaryLogBuffer(struct logger_entry *,AndroidLogEntry *,const EventTagMap *,char *,int)106 extern "C" int android_log_processBinaryLogBuffer(
107 struct logger_entry*,
108 AndroidLogEntry*, const EventTagMap*, char*, int) {
109 return 0;
110 }
111
android_logger_list_free(struct logger_list *)112 extern "C" void android_logger_list_free(struct logger_list*) {
113 }
114