15 lines
691 B
C
15 lines
691 B
C
#include <stddef.h>
|
|
#include <stdint.h>
|
|
|
|
#define BITSET_WORD_BITS (sizeof(bitset_word_t) * 8U)
|
|
#define BITSET_WORD(idx) ((uintptr_t *)(bits))[(idx) / BITSET_WORD_BITS]
|
|
#define BITSET_MASK(idx) ((uintptr_t)1 << ((idx) % BITSET_WORD_BITS))
|
|
|
|
#define BITSET_SET(bits, idx) (BITSET_WORD(idx) |= BITSET_MASK(idx))
|
|
#define BITSET_CLEAR(bits, idx) (BITSET_WORD(idx) &= ~BITSET_MASK(idx))
|
|
#define BITSET_FLIP(bits, idx) (BITSET_WORD(idx) ^= BITSET_MASK(idx))
|
|
#define BITSET_TEST(bits, idx) (!!((BITSET_WORD(idx) & BITSET_MASK(idx)))) /* forces 0/1 */
|
|
// #define BITSET_PUT(bits, idx, v) do { if (v) BITSET_SET(bits,idx); else BITSET_CLEAR(bits,idx); } while(0)
|
|
int main(void) {
|
|
return 0;
|
|
}
|