63 		       size_t to_alloc, size_t *prev_tail, size_t *b_pos,  in wnd_scan()  argument
72 			if (*b_len < *prev_tail) {  in wnd_scan()
73 				*b_pos = wbit - *prev_tail;  in wnd_scan()
74 				*b_len = *prev_tail;  in wnd_scan()
77 			*prev_tail = 0;  in wnd_scan()
83 			if (*b_len < *prev_tail) {  in wnd_scan()
84 				*b_pos = wbit - *prev_tail;  in wnd_scan()
85 				*b_len = *prev_tail;  in wnd_scan()
88 			*prev_tail = 0;  in wnd_scan()
94 		end = wpos + to_alloc - *prev_tail;  in wnd_scan()
97 		free_len = *prev_tail + free_bits - wpos;  in wnd_scan()
100 			*b_pos = wbit + wpos - *prev_tail;  in wnd_scan()
105 			return wbit + wpos - *prev_tail;  in wnd_scan()
108 			*prev_tail += free_bits - wpos;  in wnd_scan()
114 		*prev_tail = 0;  in wnd_scan()
499 	size_t prev_tail = 0;  in wnd_rescan()  local
526 				if (prev_tail) {  in wnd_rescan()
528 							 vbo * 8 - prev_tail,  in wnd_rescan()
529 							 prev_tail, true);  in wnd_rescan()
530 					prev_tail = 0;  in wnd_rescan()
536 				prev_tail += wbits;  in wnd_rescan()
579 			if (used > wpos && prev_tail) {  in wnd_rescan()
580 				wnd_add_free_ext(wnd, wbit + wpos - prev_tail,  in wnd_rescan()
581 						 prev_tail, true);  in wnd_rescan()
582 				prev_tail = 0;  in wnd_rescan()
589 				prev_tail = 0;  in wnd_rescan()
596 				prev_tail += frb - wpos;  in wnd_rescan()
600 			wnd_add_free_ext(wnd, wbit + wpos - prev_tail,  in wnd_rescan()
601 					 frb + prev_tail - wpos, true);  in wnd_rescan()
606 			prev_tail = 0;  in wnd_rescan()
623 	if (prev_tail)  in wnd_rescan()
624 		wnd_add_free_ext(wnd, wnd->nbits - prev_tail, prev_tail, true);  in wnd_rescan()
960 	size_t iw, prev_tail, nwnd, wbit, ebit, zbit, zend;  in wnd_find()  local
1119 	prev_tail = 0;  in wnd_find()
1135 			if (prev_tail > b_len) {  in wnd_find()
1136 				b_pos = wbit - prev_tail;  in wnd_find()
1137 				b_len = prev_tail;  in wnd_find()
1141 			prev_tail = 0;  in wnd_find()
1173 					prev_tail = 0;  in wnd_find()
1183 					prev_tail = 0;  in wnd_find()
1194 						       to_alloc, &prev_tail,  in wnd_find()
1202 				prev_tail = 0;  in wnd_find()
1208 						       to_alloc, &prev_tail,  in wnd_find()
1225 			if (prev_tail + wbits >= to_alloc) {  in wnd_find()
1226 				fnd = wbit + wpos - prev_tail;  in wnd_find()
1231 			prev_tail += wbits;  in wnd_find()
1240 			prev_tail = 0;  in wnd_find()
1248 		fnd = wnd_scan(buf, wbit, wpos, wbits, to_alloc, &prev_tail,  in wnd_find()
1255 	if (b_len < prev_tail) {  in wnd_find()
1257 		b_len = prev_tail;  in wnd_find()
1258 		b_pos = max_alloc - prev_tail;  in wnd_find()