Commit 4e639744 authored by Ondrej Zajicek's avatar Ondrej Zajicek
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Add minor comment

parent 9c89560e
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+4 −0
Original line number Diff line number Diff line
@@ -33,6 +33,10 @@
#define ABS(a)   ((a)>=0 ? (a) : -(a))
#define ARRAY_SIZE(a) (sizeof(a)/sizeof(*(a)))


/* Bitfield macros */

/* b is u32 array (or ptr), l is size of it in bits (multiple of 32), p is 0..(l-1) */
#define BIT32_VAL(p)		(((u32) 1) << ((p) % 32))
#define BIT32_TEST(b,p)		((b)[(p)/32] & BIT32_VAL(p))
#define BIT32_SET(b,p)		((b)[(p)/32] |= BIT32_VAL(p))