138 	(ptr)->pos = -1;					\
148     const struct evbuffer_ptr *pos, const char *mem, size_t len);
151 static int evbuffer_ptr_subtract(struct evbuffer *buf, struct evbuffer_ptr *pos,
1190 evbuffer_copyout_from(struct evbuffer *buf, const struct evbuffer_ptr *pos,  in evbuffer_copyout_from()  argument
1202 	if (pos) {  in evbuffer_copyout_from()
1203 		if (datlen > (size_t)(EV_SSIZE_MAX - pos->pos)) {  in evbuffer_copyout_from()
1207 		chain = pos->internal_.chain;  in evbuffer_copyout_from()
1208 		pos_in_chain = pos->internal_.pos_in_chain;  in evbuffer_copyout_from()
1209 		if (datlen + pos->pos > buf->total_len)  in evbuffer_copyout_from()
1210 			datlen = buf->total_len - pos->pos;  in evbuffer_copyout_from()
1484 			it->pos += (cp - buffer - i);  in evbuffer_strchr()
1485 			return it->pos;  in evbuffer_strchr()
1487 		it->pos += chain->off - i;  in evbuffer_strchr()
1533 			it->pos += (cp - buffer) - i;  in evbuffer_find_eol_char()
1534 			return it->pos;  in evbuffer_find_eol_char()
1536 		it->pos += chain->off - i;  in evbuffer_find_eol_char()
1565 			ptr->pos += count;  in evbuffer_strspn()
1575 			ptr->pos += count;  in evbuffer_strspn()
1618 		it.pos = 0;  in evbuffer_search_eol()
1634 		if (it.pos < 0)  in evbuffer_search_eol()
1640 		ev_ssize_t start_pos = it.pos;  in evbuffer_search_eol()
1646 		if (it.pos == start_pos)  in evbuffer_search_eol()
1702 	if (it.pos < 0)  in evbuffer_readln()
1704 	n_to_copy = it.pos;  in evbuffer_readln()
2586 	if (ptr.pos < 0) {  in evbuffer_find()
2589 		search = evbuffer_pullup(buffer, ptr.pos + len);  in evbuffer_find()
2591 			search += ptr.pos;  in evbuffer_find()
2603 evbuffer_ptr_subtract(struct evbuffer *buf, struct evbuffer_ptr *pos,  in evbuffer_ptr_subtract()  argument
2606 	if (pos->pos < 0)  in evbuffer_ptr_subtract()
2608 	if (howfar > (size_t)pos->pos)  in evbuffer_ptr_subtract()
2610 	if (pos->internal_.chain && howfar <= pos->internal_.pos_in_chain) {  in evbuffer_ptr_subtract()
2611 		pos->internal_.pos_in_chain -= howfar;  in evbuffer_ptr_subtract()
2612 		pos->pos -= howfar;  in evbuffer_ptr_subtract()
2615 		const size_t newpos = pos->pos - howfar;  in evbuffer_ptr_subtract()
2618 		return evbuffer_ptr_set(buf, pos, newpos, EVBUFFER_PTR_SET);  in evbuffer_ptr_subtract()
2623 evbuffer_ptr_set(struct evbuffer *buf, struct evbuffer_ptr *pos,  in evbuffer_ptr_set()  argument
2635 		pos->pos = position;  in evbuffer_ptr_set()
2641 		if (pos->pos < 0 || EV_SIZE_MAX - position < (size_t)pos->pos) {  in evbuffer_ptr_set()
2645 		chain = pos->internal_.chain;  in evbuffer_ptr_set()
2646 		pos->pos += position;  in evbuffer_ptr_set()
2647 		position = pos->internal_.pos_in_chain;  in evbuffer_ptr_set()
2658 		pos->internal_.chain = chain;  in evbuffer_ptr_set()
2659 		pos->internal_.pos_in_chain = position + left;  in evbuffer_ptr_set()
2662 		pos->internal_.chain = NULL;  in evbuffer_ptr_set()
2663 		pos->internal_.pos_in_chain = 0;  in evbuffer_ptr_set()
2665 		PTR_NOT_FOUND(pos);  in evbuffer_ptr_set()
2679 evbuffer_ptr_memcmp(const struct evbuffer *buf, const struct evbuffer_ptr *pos,  in evbuffer_ptr_memcmp()  argument
2688 	if (pos->pos < 0 ||  in evbuffer_ptr_memcmp()
2689 	    EV_SIZE_MAX - len < (size_t)pos->pos ||  in evbuffer_ptr_memcmp()
2690 	    pos->pos + len > buf->total_len)  in evbuffer_ptr_memcmp()
2693 	chain = pos->internal_.chain;  in evbuffer_ptr_memcmp()
2694 	position = pos->internal_.pos_in_chain;  in evbuffer_ptr_memcmp()
2723 	struct evbuffer_ptr pos;  in evbuffer_search_range()  local
2731 		memcpy(&pos, start, sizeof(pos));  in evbuffer_search_range()
2732 		chain = pos.internal_.chain;  in evbuffer_search_range()
2734 		pos.pos = 0;  in evbuffer_search_range()
2735 		chain = pos.internal_.chain = buffer->first;  in evbuffer_search_range()
2736 		pos.internal_.pos_in_chain = 0;  in evbuffer_search_range()
2750 		    pos.internal_.pos_in_chain;  in evbuffer_search_range()
2752 		    chain->off - pos.internal_.pos_in_chain);  in evbuffer_search_range()
2754 			pos.pos += p - start_at;  in evbuffer_search_range()
2755 			pos.internal_.pos_in_chain += p - start_at;  in evbuffer_search_range()
2756 			if (!evbuffer_ptr_memcmp(buffer, &pos, what, len)) {  in evbuffer_search_range()
2757 				if (end && pos.pos + (ev_ssize_t)len > end->pos)  in evbuffer_search_range()
2762 			++pos.pos;  in evbuffer_search_range()
2763 			++pos.internal_.pos_in_chain;  in evbuffer_search_range()
2764 			if (pos.internal_.pos_in_chain == chain->off) {  in evbuffer_search_range()
2765 				chain = pos.internal_.chain = chain->next;  in evbuffer_search_range()
2766 				pos.internal_.pos_in_chain = 0;  in evbuffer_search_range()
2771 			pos.pos += chain->off - pos.internal_.pos_in_chain;  in evbuffer_search_range()
2772 			chain = pos.internal_.chain = chain->next;  in evbuffer_search_range()
2773 			pos.internal_.pos_in_chain = 0;  in evbuffer_search_range()
2778 	PTR_NOT_FOUND(&pos);  in evbuffer_search_range()
2781 	return pos;  in evbuffer_search_range()
2819 			len -= start_at->pos;  in evbuffer_peek()
3104 		ev_off_t start_pos = lseek(fd, 0, SEEK_CUR), pos;  in evbuffer_file_segment_materialize()  local
3127 		pos = lseek(fd, start_pos, SEEK_SET);  in evbuffer_file_segment_materialize()
3132 		} else if (pos < 0) {  in evbuffer_file_segment_materialize()