tests: kernel: adopt new count_bits util function (e3427051) · Commits · Wenxi XU / zephyr

tests/kernel/common/src/bitarray.c

+1 −17

Changes for tests/kernel/common/src/bitarray.c: 1 added line, 17 removed lines.
Original line number	Diff line number	Diff line
		@@ -355,29 +355,13 @@ void alloc_and_free_predefined(void)
		"sys_bitarray_alloc() failed bits comparison");
		}

		static inline size_t count_bits(uint32_t val)
		{
		/* Implements Brian Kernighan’s Algorithm
		* to count bits.
		*/

		size_t cnt = 0;

		while (val != 0) {
		val = val & (val - 1);
		cnt++;
		}

		return cnt;
		}

		size_t get_bitarray_popcnt(sys_bitarray_t *ba)
		{
		size_t popcnt = 0;
		unsigned int idx;

		for (idx = 0; idx < ba->num_bundles; idx++) {
		popcnt += count_bits(ba->bundles[idx]);
		popcnt += count_bits(&ba->bundles[idx], sizeof(uint32_t));
		}

		return popcnt;