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
ResetLogs()37 void ResetLogs() {
38 g_fake_log_buf = "";
39 g_fake_log_print = "";
40 }
41
GetFakeLogBuf()42 std::string GetFakeLogBuf() {
43 return g_fake_log_buf;
44 }
45
GetFakeLogPrint()46 std::string GetFakeLogPrint() {
47 return g_fake_log_print;
48 }
49
50 } // namespace unwindstack
51
__android_log_buf_write(int bufId,int prio,const char * tag,const char * msg)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
__android_log_print(int prio,const char * tag,const char * fmt,...)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
__android_log_vprint(int prio,const char * tag,const char * fmt,va_list ap)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
android_name_to_log_id(const char *)81 extern "C" log_id_t android_name_to_log_id(const char*) {
82 return LOG_ID_SYSTEM;
83 }
84
android_logger_list_open(log_id_t,int,unsigned int,pid_t)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
android_logger_list_read(struct logger_list *,struct log_msg *)90 extern "C" int android_logger_list_read(struct logger_list*, struct log_msg*) {
91 return 0;
92 }
93
android_openEventTagMap(const char *)94 extern "C" EventTagMap* android_openEventTagMap(const char*) {
95 return nullptr;
96 }
97
android_log_processBinaryLogBuffer(struct logger_entry *,AndroidLogEntry *,const EventTagMap *,char *,int)98 extern "C" int android_log_processBinaryLogBuffer(
99 struct logger_entry*,
100 AndroidLogEntry*, const EventTagMap*, char*, int) {
101 return 0;
102 }
103
android_logger_list_free(struct logger_list *)104 extern "C" void android_logger_list_free(struct logger_list*) {
105 }
106