116 #define	bitstr_size(_nbits) (_bit_roundup2(_nbits, _BITSTR_BITS) / 8)  argument
121 bit_alloc(int _nbits, struct malloc_type *type, int flags)  in bit_alloc()  argument
123 	return ((bitstr_t *)malloc(bitstr_size(_nbits), type, flags | M_ZERO));  in bit_alloc()
127 bit_alloc(int _nbits)  in bit_alloc()  argument
129 	return ((bitstr_t *)calloc(bitstr_size(_nbits), 1));  in bit_alloc()
198 bit_ffs_at(bitstr_t *_bitstr, int _start, int _nbits, int *_result)  in bit_ffs_at()  argument
205 	if (_start >= _nbits) {  in bit_ffs_at()
210 	if (_nbits > 0) {  in bit_ffs_at()
212 		_stopbitstr = _bitstr + _bit_idx(_nbits - 1);  in bit_ffs_at()
222 		if (_offset == 0 || _value >= _nbits)  in bit_ffs_at()
232 bit_ffc_at(bitstr_t *_bitstr, int _start, int _nbits, int *_result)  in bit_ffc_at()  argument
239 	if (_start >= _nbits) {  in bit_ffc_at()
244 	if (_nbits > 0) {  in bit_ffc_at()
246 		_stopbitstr = _bitstr + _bit_idx(_nbits - 1);  in bit_ffc_at()
256 		if (_offset == 0 || _value >= _nbits)  in bit_ffc_at()
266 bit_ffs(bitstr_t *_bitstr, int _nbits, int *_result)  in bit_ffs()  argument
268 	bit_ffs_at(_bitstr, /*start*/0, _nbits, _result);  in bit_ffs()
273 bit_ffc(bitstr_t *_bitstr, int _nbits, int *_result)  in bit_ffc()  argument
275 	bit_ffc_at(_bitstr, /*start*/0, _nbits, _result);  in bit_ffc()
280 bit_ffs_area_at(bitstr_t *_bitstr, int _start, int _nbits, int _size,  in bit_ffs_area_at()  argument
287 	if (_start + _size > _nbits || _nbits <= 0) {  in bit_ffs_area_at()
314 			if (_value + _size > _nbits) {  in bit_ffs_area_at()
327 bit_ffc_area_at(bitstr_t *_bitstr, int _start, int _nbits, int _size,  in bit_ffc_area_at()  argument
334 	if (_start + _size > _nbits || _nbits <= 0) {  in bit_ffc_area_at()
361 			if (_value + _size > _nbits) {  in bit_ffc_area_at()
374 bit_ffs_area(bitstr_t *_bitstr, int _nbits, int _size, int *_result)  in bit_ffs_area()  argument
376 	bit_ffs_area_at(_bitstr, /*start*/0, _nbits, _size, _result);  in bit_ffs_area()
381 bit_ffc_area(bitstr_t *_bitstr, int _nbits, int _size, int *_result)  in bit_ffc_area()  argument
383 	bit_ffc_area_at(_bitstr, /*start*/0, _nbits, _size, _result);  in bit_ffc_area()
388 bit_count(bitstr_t *_bitstr, int _start, int _nbits, int *_result)  in bit_count()  argument
393 	if (_start >= _nbits)  in bit_count()
397 	_nbits -= _BITSTR_BITS * _bit_idx(_start);  in bit_count()
401 		curbitstr_len = (int)_BITSTR_BITS < _nbits ?  in bit_count()
402 				(int)_BITSTR_BITS : _nbits;  in bit_count()
406 		_nbits -= _BITSTR_BITS;  in bit_count()
408 	while (_nbits >= (int)_BITSTR_BITS) {  in bit_count()
411 		_nbits -= _BITSTR_BITS;  in bit_count()
413 	if (_nbits > 0) {  in bit_count()
414 		mask = _bit_make_mask(0, _bit_offset(_nbits - 1));  in bit_count()