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added a few useful macros

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hyunghwan.chung 2017-02-13 13:40:35 +00:00
parent 73231a29d7
commit d7cb283e44
2 changed files with 10 additions and 3 deletions
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9
moo/lib/moo-cmn.h
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@ -628,6 +628,15 @@ typedef struct moo_t moo_t;
#define MOO_TYPE_MIN(type) \
((MOO_TYPE_IS_SIGNED(type)? MOO_TYPE_SIGNED_MIN(type): MOO_TYPE_UNSIGNED_MIN(type)))
/* round up a positive integer x to the nearst multiple of y */
#define MOO_ALIGN(x,y) ((((x) + (y) - 1) / (y)) * (y))
/* round up a positive integer x to the nearst multiple of y where
* y must be a multiple of a power of 2*/
#define MOO_ALIGN_POW2(x,y) ((((x) + (y) - 1)) & ~((y) - 1))
#define MOO_IS_UNALIGNED_POW2(x,y) ((x) & ((y) - 1))
#define MOO_IS_ALIGNED_POW2(x,y) (!MOO_IS_UNALIGNED_POW2(x,y))
/* =========================================================================
* COMPILER FEATURE TEST MACROS

2
moo/lib/moo-prv.h
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@ -102,8 +102,6 @@
# define MOO_MEMCMP(dst,src,size) memcmp(dst,src,size)
#endif
#define MOO_ALIGN(x,y) ((((x) + (y) - 1) / (y)) * (y))
/* ========================================================================= */
/* CLASS SPEC ENCODING */