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px4_macros.h
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2  *
3  * Copyright (C) 2014 PX4 Development Team. All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
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33 
54 #include <assert.h>
55 
56 #ifndef _PX4_MACROS_H
57 #define _PX4_MACROS_H
58 
59 
60 #if !defined(arraySize)
61 #define arraySize(a) (sizeof((a))/sizeof((a[0])))
62 #endif
63 
64 #if !defined(NO_BLOAT)
65 #if defined(__BASE_FILE__)
66 #define _FILE_NAME_ __BASE_FILE__
67 #else
68 #define _FILE_NAME_ __FILE__
69 #endif
70 #else
71 #define _FILE_NAME_ ""
72 #endif
73 
74 #if !defined(INVALID_CASE)
75 #define INVALID_CASE(c) printf("Invalid Case %d, %s:%d",(c),__BASE_FILE__,__LINE__) /* todo use PANIC */
76 #endif
77 
78 #if !defined(UNUSED)
79 #define UNUSED(var) (void)(var)
80 #endif
81 
82 #if !defined(CAT)
83 #if !defined(_CAT)
84 #define _CAT(a, b) a ## b
85 #endif
86 #define CAT(a, b) _CAT(a, b)
87 #endif
88 
89 #if !defined(FREEZE_STR)
90 # define FREEZE_STR(s) #s
91 #endif
92 
93 #if !defined(STRINGIFY)
94 #define STRINGIFY(s) FREEZE_STR(s)
95 #endif
96 
97 #if !defined(CCASSERT)
98 #if defined(static_assert)
99 # define CCASSERT(predicate) static_assert(predicate, STRINGIFY(predicate))
100 # else
101 # define CCASSERT(predicate) _x_CCASSERT_LINE(predicate, __LINE__)
102 # if !defined(_x_CCASSERT_LINE)
103 # define _x_CCASSERT_LINE(predicate, line) typedef char CAT(constraint_violated_on_line_,line)[2*((predicate)!=0)-1] __attribute__ ((unused)) ;
104 # endif
105 # endif
106 #endif
107 
108 #if !defined(DO_PRAGMA)
109 # define DO_PRAGMA(x) _Pragma (#x)
110 #endif
111 
112 #if !defined(TODO)
113 # define TODO(x) DO_PRAGMA(message ("TODO - " #x))
114 #endif
115 
116 #endif /* _PX4_MACROS_H */
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