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1 /*
2  *
3  *   honggfuzz - logging
4  *   -----------------------------------------
5  *
6  *   Copyright 2014 Google Inc. All Rights Reserved.
7  *
8  *   Licensed under the Apache License, Version 2.0 (the "License");
9  *   you may not use this file except in compliance with the License.
10  *   You may obtain a copy of the License at
11  *
12  *     http://www.apache.org/licenses/LICENSE-2.0
13  *
14  *   Unless required by applicable law or agreed to in writing, software
15  *   distributed under the License is distributed on an "AS IS" BASIS,
16  *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17  *   See the License for the specific language governing permissions and
18  *   limitations under the License.
19  *
20  */
21 
22 #ifndef _HF_LOG_H_
23 #define _HF_LOG_H_
24 
25 #include <getopt.h>
26 #include <pthread.h>
27 #include <stdbool.h>
28 
29 #include "common.h"
30 
31 enum llevel_t { FATAL = 0, ERROR, WARNING, INFO, DEBUG, HELP, HELP_BOLD };
32 
33 extern enum llevel_t log_level;
34 
35 #define LOG_HELP(...) logLog(HELP, __FUNCTION__, __LINE__, false, __VA_ARGS__);
36 #define LOG_HELP_BOLD(...) logLog(HELP_BOLD, __FUNCTION__, __LINE__, false, __VA_ARGS__);
37 
38 #define LOG_D(...)                                                 \
39     if (log_level >= DEBUG) {                                      \
40         logLog(DEBUG, __FUNCTION__, __LINE__, false, __VA_ARGS__); \
41     }
42 #define LOG_I(...)                                                \
43     if (log_level >= INFO) {                                      \
44         logLog(INFO, __FUNCTION__, __LINE__, false, __VA_ARGS__); \
45     }
46 #define LOG_W(...)                                                   \
47     if (log_level >= WARNING) {                                      \
48         logLog(WARNING, __FUNCTION__, __LINE__, false, __VA_ARGS__); \
49     }
50 #define LOG_E(...)                                                 \
51     if (log_level >= ERROR) {                                      \
52         logLog(ERROR, __FUNCTION__, __LINE__, false, __VA_ARGS__); \
53     }
54 #define LOG_F(...)                                                 \
55     if (log_level >= FATAL) {                                      \
56         logLog(FATAL, __FUNCTION__, __LINE__, false, __VA_ARGS__); \
57     }
58 
59 #define PLOG_D(...)                                               \
60     if (log_level >= DEBUG) {                                     \
61         logLog(DEBUG, __FUNCTION__, __LINE__, true, __VA_ARGS__); \
62     }
63 #define PLOG_I(...)                                              \
64     if (log_level >= INFO) {                                     \
65         logLog(INFO, __FUNCTION__, __LINE__, true, __VA_ARGS__); \
66     }
67 #define PLOG_W(...)                                                 \
68     if (log_level >= WARNING) {                                     \
69         logLog(WARNING, __FUNCTION__, __LINE__, true, __VA_ARGS__); \
70     }
71 #define PLOG_E(...)                                               \
72     if (log_level >= ERROR) {                                     \
73         logLog(ERROR, __FUNCTION__, __LINE__, true, __VA_ARGS__); \
74     }
75 #define PLOG_F(...)                                               \
76     if (log_level >= FATAL) {                                     \
77         logLog(FATAL, __FUNCTION__, __LINE__, true, __VA_ARGS__); \
78     }
79 
80 extern bool logInitLogFile(const char* logfile, enum llevel_t ll);
81 
82 extern void logLog(enum llevel_t ll, const char* fn, int ln, bool perr, const char* fmt, ...)
83     __attribute__((format(printf, 5, 6)));
84 
85 extern void logStop(int sig);
86 
87 extern bool logIsTTY(void);
88 
89 extern int logFd(void);
90 
91 extern pthread_mutex_t* logMutexGet(void);
92 
93 void logMutexReset(void);
94 
95 #endif /* _HF_LOG_H_ */
96