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