1 /*
2 * Copyright (C) 2016 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 <stdarg.h>
18 #include <stdint.h>
19 #include <stdio.h>
20
21 #include <string>
22
23 #define LOG_TAG "unwind"
24 #include <log/log.h>
25
26 #include <android-base/stringprintf.h>
27
28 #include <unwindstack/Log.h>
29
30 namespace unwindstack {
31
32 static bool g_print_to_stdout = false;
33
log_to_stdout(bool enable)34 void log_to_stdout(bool enable) {
35 g_print_to_stdout = enable;
36 }
37
38 // Send the data to the log.
log(uint8_t indent,const char * format,...)39 void log(uint8_t indent, const char* format, ...) {
40 std::string real_format;
41 if (indent > 0) {
42 real_format = android::base::StringPrintf("%*s%s", 2 * indent, " ", format);
43 } else {
44 real_format = format;
45 }
46 va_list args;
47 va_start(args, format);
48 if (g_print_to_stdout) {
49 real_format += '\n';
50 vprintf(real_format.c_str(), args);
51 } else {
52 LOG_PRI_VA(ANDROID_LOG_INFO, LOG_TAG, real_format.c_str(), args);
53 }
54 va_end(args);
55 }
56
57 } // namespace unwindstack
58