openwsn_log.h
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1 /*
2  * Copyright (C) 2015 Kaspar Schleiser <kaspar@schleiser.de>
3  *
4  * This file is subject to the terms and conditions of the GNU Lesser
5  * General Public License v2.1. See the file LICENSE in the top level
6  * directory for more details.
7  */
8 
22 #ifndef OPENWSN_LOG_H
23 #define OPENWSN_LOG_H
24 
25 #include <stdio.h>
26 
27 #ifdef __cplusplus
28 extern "C" {
29 #endif
30 
43 enum {
44  LOG_NONE,
45  LOG_ERROR,
48  LOG_WARNING,
50  LOG_INFO,
53  LOG_DEBUG,
55  LOG_ALL
56 };
57 
58 #ifndef LOG_LEVEL
62 #define LOG_LEVEL LOG_INFO
63 #endif
64 
68 #ifdef __clang__ /* following pragmas required for clang 3.8.0 */
69 #define LOG(level, ...) do { \
70  _Pragma("clang diagnostic push") \
71  _Pragma("clang diagnostic ignored \"-Wtautological-compare\"") \
72  if ((level) <= LOG_LEVEL) log_write((level), __VA_ARGS__); } while (0U) \
73  _Pragma("clang diagnostic pop")
74 #else
75 #define LOG(level, ...) do { \
76  if ((level) <= LOG_LEVEL) log_write((level), __VA_ARGS__); } while (0U)
77 #endif /* __clang__ */
78 
83 #define LOG_RIOT_ERROR(...) LOG(LOG_ERROR, __VA_ARGS__)
84 #define LOG_RIOT_WARNING(...) LOG(LOG_WARNING, __VA_ARGS__)
85 #define LOG_RIOT_INFO(...) LOG(LOG_INFO, __VA_ARGS__)
86 #define LOG_RIOT_DEBUG(...) LOG(LOG_DEBUG, __VA_ARGS__)
92 #define log_write(level, ...) printf(__VA_ARGS__)
93 
94 #ifdef __cplusplus
95 }
96 #endif
97 
98 #endif /* OPENWSN_LOG_H */
LOG_ERROR
@ LOG_ERROR
Error log level, will print only critical, non-recoverable errors like hardware initialization failur...
Definition: openwsn_log.h:45
LOG_INFO
@ LOG_INFO
Informational log level, will print purely informational messages like successful system bootup,...
Definition: openwsn_log.h:50
LOG_NONE
@ LOG_NONE
Lowest log level, will output nothing.
Definition: openwsn_log.h:44
LOG_ALL
@ LOG_ALL
print everything
Definition: openwsn_log.h:55
LOG_WARNING
@ LOG_WARNING
Warning log level, will print warning messages for temporary errors.
Definition: openwsn_log.h:48
LOG_DEBUG
@ LOG_DEBUG
Debug log level, printing developer stuff considered too verbose for production use.
Definition: openwsn_log.h:53
stdio.h
stdio wrapper to extend the C libs stdio