lib/zlib/deflate.c

814     if (strm->avail_in != 0 || s->lookahead != 0 ||
848                     if (s->lookahead == 0) {
1036     s->lookahead = 0;
1104     if ((uInt)nice_match > s->lookahead) nice_match = s->lookahead;
1200     if ((uInt)best_len <= s->lookahead) return (uInt)best_len;
1201     return s->lookahead;
1260     return (uInt)len <= s->lookahead ? (uInt)len : s->lookahead;
1312         more = (unsigned)(s->window_size -(ulg)s->lookahead -(ulg)s->strstart);
1316             if (more == 0 && s->strstart == 0 && s->lookahead == 0) {
1378         n = read_buf(s->strm, s->window + s->strstart + s->lookahead, more);
1379         s->lookahead += n;
1382         if (s->lookahead >= MIN_MATCH) {
1393     } while (s->lookahead < MIN_LOOKAHEAD && s->strm->avail_in != 0);
1403         ulg curr = s->strstart + (ulg)(s->lookahead);
1477         if (s->lookahead <= 1) {
1483             if (s->lookahead == 0 && flush == Z_NO_FLUSH) return need_more;
1485             if (s->lookahead == 0) break; /* flush the current block */
1489         s->strstart += s->lookahead;
1490         s->lookahead = 0;
1496             s->lookahead = (uInt)(s->strstart - max_start);
1531         if (s->lookahead < MIN_LOOKAHEAD) {
1533             if (s->lookahead < MIN_LOOKAHEAD && flush == Z_NO_FLUSH) {
1536             if (s->lookahead == 0) break; /* flush the current block */
1543         if (s->lookahead >= MIN_MATCH) {
1564             s->lookahead -= s->match_length;
1571                 s->lookahead >= MIN_MATCH) {
1599             s->lookahead--;
1628         if (s->lookahead < MIN_LOOKAHEAD) {
1630             if (s->lookahead < MIN_LOOKAHEAD && flush == Z_NO_FLUSH) {
1633             if (s->lookahead == 0) break; /* flush the current block */
1640         if (s->lookahead >= MIN_MATCH) {
1675             uInt max_insert = s->strstart + s->lookahead - MIN_MATCH;
1688             s->lookahead -= s->prev_length-1;
1712             s->lookahead--;
1720             s->lookahead--;
1752         if (s->lookahead < MAX_MATCH) {
1754             if (s->lookahead < MAX_MATCH && flush == Z_NO_FLUSH) {
1757             if (s->lookahead == 0) break; /* flush the current block */
1762         if (s->lookahead >= MIN_MATCH && s->strstart > 0) {
1774                 if (s->match_length > s->lookahead)
1775                     s->match_length = s->lookahead;
1785             s->lookahead -= s->match_length;
1792             s->lookahead--;
1813         if (s->lookahead == 0) {
1815             if (s->lookahead == 0) {
1826         s->lookahead--;