Merge pull request #408 from sandrine-bailleux/sb/cassert

Make CASSERT() macro callable from anywhere
This commit is contained in:
danh-arm 2015-10-19 11:40:17 +01:00
commit e662262f90
1 changed files with 5 additions and 2 deletions

View File

@ -34,9 +34,12 @@
/*******************************************************************************
* Macro to flag a compile time assertion. It uses the preprocessor to generate
* an invalid C construct if 'cond' evaluates to false.
* The following compilation error is triggered if the assertion fails:
* The following compilation error is triggered if the assertion fails:
* "error: size of array 'msg' is negative"
* The 'unused' attribute ensures that the unused typedef does not emit a
* compiler warning.
******************************************************************************/
#define CASSERT(cond, msg) typedef char msg[(cond) ? 1 : -1]
#define CASSERT(cond, msg) \
typedef char msg[(cond) ? 1 : -1] __attribute__((unused))
#endif /* __CASSERT_H__ */