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avoid redefinition of standard macros

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This commit is contained in:
Steffen Vogel 2018-10-19 13:43:01 +02:00
parent d335837525
commit b55186d16c
1 changed files with 9 additions and 0 deletions
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9
include/villas/utils.h
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@ -89,6 +89,9 @@ extern "C" {
#define CONCAT(x, y) CONCAT_DETAIL(x, y)
#define UNIQUE(x) CONCAT(x, __COUNTER__)
#ifdef ALIGN
#undef ALIGN
#endif
#define ALIGN(x, a) ALIGN_MASK(x, (uintptr_t) (a) - 1)
#define ALIGN_MASK(x, m) (((uintptr_t) (x) + (m)) & ~(m))
#define IS_ALIGNED(x, a) (ALIGN(x, a) == (uintptr_t) x)
@ -113,11 +116,17 @@ extern "C" {
#define ARRAY_LEN(a) ( sizeof (a) / sizeof (a)[0] )
/* Return the bigger value */
#ifdef MAX
#undef MAX
#endif
#define MAX(a, b) ({ __typeof__ (a) _a = (a); \
__typeof__ (b) _b = (b); \
_a > _b ? _a : _b; })
/* Return the smaller value */
#ifdef MIN
#undef MIN
#endif
#define MIN(a, b) ({ __typeof__ (a) _a = (a); \
__typeof__ (b) _b = (b); \
_a < _b ? _a : _b; })