1/*
2 * Copyright (C) 2017 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 * Android logging wrapper to make it easy to interchange based on environment.
17 */
18
19#ifndef ESE_LOG_H_
20#define ESE_LOG_H_ 1
21
22/* Uncomment when doing bring up or other messy debugging.
23 * #define LOG_NDEBUG 0
24 */
25
26#if defined(ESE_LOG_NONE) || defined(ESE_LOG_STDIO)
27#  define ESE_LOG_ANDROID 0
28#endif
29
30#if !defined(ESE_LOG_ANDROID)
31#define ESE_LOG_ANDROID 1
32#endif
33
34#if !defined(LOG_TAG)
35#  define LOG_TAG "libese"
36#endif
37
38#if ESE_LOG_ANDROID == 1
39
40#include <log/log.h>
41
42#else  /* ESE_LOG_ANDROID */
43
44#ifndef ALOGV
45#define __ALOGV(...) ((void)ALOG(LOG_VERBOSE, LOG_TAG, __VA_ARGS__))
46#if LOG_NDEBUG
47#define ALOGV(...) do { if (0) { __ALOGV(__VA_ARGS__); } } while (0)
48#else
49#define ALOGV(...) __ALOGV(__VA_ARGS__)
50#endif
51#endif
52
53#ifndef ALOGD
54#define ALOGD(...) ((void)ALOG(LOG_DEBUG, LOG_TAG, __VA_ARGS__))
55#endif
56
57#ifndef ALOGI
58#define ALOGI(...) ((void)ALOG(LOG_INFO, LOG_TAG, __VA_ARGS__))
59#endif
60
61#ifndef ALOGW
62#define ALOGW(...) ((void)ALOG(LOG_WARN, LOG_TAG, __VA_ARGS__))
63#endif
64
65#ifndef ALOGE
66#define ALOGE(...) ((void)ALOG(LOG_ERROR, LOG_TAG, __VA_ARGS__))
67#endif
68
69#if defined(ESE_LOG_STDIO)
70#include <stdio.h>
71#include <stdlib.h>
72#define ALOG(priority, tag, format, ...) \
73  fprintf(stderr, "[%s: %s] " format "\n", #priority, tag, ##__VA_ARGS__)
74#define LOG_ALWAYS_FATAL(format, ...) { \
75  ALOG(LOG_ERROR, LOG_TAG, format, ##__VA_ARGS__);  \
76  abort(); \
77}
78
79#elif defined(ESE_LOG_NONE)
80  #define ALOG(...) {}
81  #define LOG_ALWAYS_FATAL(...) while (1);
82#endif
83
84#endif  /* !ESE_LOG_ANDROID */
85
86#endif  /* ESE_LOG_H_ */
87