clibs
Tiny but handy utility libraries for C
clibs_logging.h
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1 
6 #ifndef CLIBS_LOGGING_H
7 #define CLIBS_LOGGING_H
8 
9 #include <stdio.h>
10 #include <stdlib.h>
11 
12 #define CLIBS_LOG_LEVEL_DEBUG 5
13 #define CLIBS_LOG_LEVEL_INFO 4
14 #define CLIBS_LOG_LEVEL_WARN 3
15 #define CLIBS_LOG_LEVEL_ERROR 2
16 #define CLIBS_LOG_LEVEL_FATAL 1
17 #define CLIBS_LOG_LEVEL_NONE 0
18 
25 #if DEBUG
26  #define CLIBS_LOG_LEVEL CLIBS_LOG_LEVEL_DEBUG
27 #elif INFO
28  #define CLIBS_LOG_LEVEL CLIBS_LOG_LEVEL_INFO
29 #elif WARN
30  #define CLIBS_LOG_LEVEL CLIBS_LOG_LEVEL_WARN
31 #elif ERROR
32  #define CLIBS_LOG_LEVEL CLIBS_LOG_LEVEL_ERROR
33 #elif FATAL
34  #define CLIBS_LOG_LEVEL CLIBS_LOG_LEVEL_FATAL
35 #else
36  #define CLIBS_LOG_LEVEL CLIBS_LOG_LEVEL_NONE
37 #endif
38 
39 #ifndef END_OF_LINE
40  #define END_OF_LINE "\n"
41 #endif
42 
49 #if CLIBS_LOG_LEVEL >= CLIBS_LOG_LEVEL_DEBUG
50  #define CLIBS_LOG_DEBUG(format, ...) { \
51  fprintf(stderr, "[DEBUG] (%s:%d) " format "%s", \
52  __FILE__, __LINE__, ##__VA_ARGS__, END_OF_LINE); \
53  }
54 #else
55  #define CLIBS_LOG_DEBUG(format, ...)
56 #endif
57 
64 #if CLIBS_LOG_LEVEL >= CLIBS_LOG_LEVEL_INFO
65  #define CLIBS_LOG_INFO(format, ...) { \
66  fprintf(stderr, "[INFO] " format "%s", \
67  ##__VA_ARGS__, END_OF_LINE); \
68  }
69 #else
70  #define CLIBS_LOG_INFO(format, ...)
71 #endif
72 
79 #if CLIBS_LOG_LEVEL >= CLIBS_LOG_LEVEL_WARN
80  #define CLIBS_LOG_WARN(format, ...) { \
81  fprintf(stderr, "[WARN] " format "%s", \
82  ##__VA_ARGS__, END_OF_LINE); \
83  }
84 #else
85  #define CLIBS_LOG_WARN(format, ...)
86 #endif
87 
94 #if CLIBS_LOG_LEVEL >= CLIBS_LOG_LEVEL_ERROR
95  #define CLIBS_LOG_ERROR(format, ...) { \
96  fprintf(stderr, "[ERROR] " format "%s", \
97  ##__VA_ARGS__, END_OF_LINE); \
98  exit(1); \
99  }
100 #else
101  #define CLIBS_LOG_ERROR(format, ...)
102 #endif
103 
110 #if CLIBS_LOG_LEVEL >= CLIBS_LOG_LEVEL_FATAL
111  #define CLIBS_LOG_FATAL(format, ...) { \
112  fprintf(stderr, "[FATAL] " format "%s", \
113  ##__VA_ARGS__, END_OF_LINE); \
114  abort(); \
115  }
116 #else
117  #define CLIBS_LOG_FATAL(format, ...)
118 #endif
119 
120 #endif /* CLIBS_LOGGING_H */
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