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misc: Update ALIGN macros

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mintsuki 2022-08-26 21:34:40 +02:00
parent 9c389cedca
commit 16c5e98120
1 changed files with 13 additions and 9 deletions
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22
common/lib/blib.h
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@ -65,20 +65,24 @@ void memcpy32to64(uint64_t, uint64_t, uint64_t);
#error Unknown architecture
#endif
#define DIV_ROUNDUP(a, b) (((a) + ((b) - 1)) / (b))
#define DIV_ROUNDUP(a, b) ({ \
__auto_type DIV_ROUNDUP_a = (a); \
__auto_type DIV_ROUNDUP_b = (b); \
(DIV_ROUNDUP_a + (DIV_ROUNDUP_b - 1)) / DIV_ROUNDUP_b; \
})
#define ALIGN_UP(x, a) ({ \
typeof(x) value = x; \
typeof(a) align = a; \
value = DIV_ROUNDUP(value, align) * align; \
value; \
__auto_type ALIGN_UP_value = (x); \
__auto_type ALIGN_UP_align = (a); \
ALIGN_UP_value = DIV_ROUNDUP(ALIGN_UP_value, ALIGN_UP_align) * ALIGN_UP_align; \
ALIGN_UP_value; \
})
#define ALIGN_DOWN(x, a) ({ \
typeof(x) value = x; \
typeof(a) align = a; \
value = (value / align) * align; \
value; \
__auto_type ALIGN_DOWN_value = (x); \
__auto_type ALIGN_DOWN_align = (a); \
ALIGN_DOWN_value = (ALIGN_DOWN_value / ALIGN_DOWN_align) * ALIGN_DOWN_align; \
ALIGN_DOWN_value; \
})
#define SIZEOF_ARRAY(array) (sizeof(array) / sizeof(array[0]))