359 	if (s->strstart != 0) header |= PRESET_DICT;  in zlib_deflate()
366 	if (s->strstart != 0) {  in zlib_deflate()
534     s->strstart = 0;  in lm_init()
560     register Byte *scan = s->window + s->strstart; /* current string */  in longest_match()
565     IPos limit = s->strstart > (IPos)MAX_DIST(s) ?  in longest_match()
566         s->strstart - (IPos)MAX_DIST(s) : NIL;  in longest_match()
577     register Byte *strend = s->window + s->strstart + MAX_MATCH - 1;  in longest_match()
581     register Byte *strend = s->window + s->strstart + MAX_MATCH;  in longest_match()
600     Assert((ulg)s->strstart <= s->window_size-MIN_LOOKAHEAD, "need lookahead");  in longest_match()
603         Assert(cur_match < s->strstart, "no future");  in longest_match()
743         more = (unsigned)(s->window_size -(ulg)s->lookahead -(ulg)s->strstart);  in fill_window()
746         if (more == 0 && s->strstart == 0 && s->lookahead == 0) {  in fill_window()
758         } else if (s->strstart >= wsize+MAX_DIST(s)) {  in fill_window()
763             s->strstart    -= wsize; /* we now have strstart >= MAX_DIST */  in fill_window()
805         n = read_buf(s->strm, s->window + s->strstart + s->lookahead, more);  in fill_window()
810             s->ins_h = s->window[s->strstart];  in fill_window()
811             UPDATE_HASH(s, s->ins_h, s->window[s->strstart+1]);  in fill_window()
831 		(ulg)((long)s->strstart - s->block_start), \
833    s->block_start = s->strstart; \
873             Assert(s->strstart < s->w_size+MAX_DIST(s) ||  in deflate_stored()
883 	s->strstart += s->lookahead;  in deflate_stored()
888         if (s->strstart == 0 || (ulg)s->strstart >= max_start) {  in deflate_stored()
890 	    s->lookahead = (uInt)(s->strstart - max_start);  in deflate_stored()
891 	    s->strstart = (uInt)max_start;  in deflate_stored()
897         if (s->strstart - (uInt)s->block_start >= MAX_DIST(s)) {  in deflate_stored()
938             INSERT_STRING(s, s->strstart, hash_head);  in deflate_fast()
944         if (hash_head != NIL && s->strstart - hash_head <= MAX_DIST(s)) {  in deflate_fast()
955             check_match(s, s->strstart, s->match_start, s->match_length);  in deflate_fast()
957             bflush = zlib_tr_tally(s, s->strstart - s->match_start,  in deflate_fast()
969                     s->strstart++;  in deflate_fast()
970                     INSERT_STRING(s, s->strstart, hash_head);  in deflate_fast()
975                 s->strstart++;   in deflate_fast()
977                 s->strstart += s->match_length;  in deflate_fast()
979                 s->ins_h = s->window[s->strstart];  in deflate_fast()
980                 UPDATE_HASH(s, s->ins_h, s->window[s->strstart+1]);  in deflate_fast()
990             Tracevv((stderr,"%c", s->window[s->strstart]));  in deflate_fast()
991             bflush = zlib_tr_tally (s, 0, s->window[s->strstart]);  in deflate_fast()
993             s->strstart++;   in deflate_fast()
1033             INSERT_STRING(s, s->strstart, hash_head);  in deflate_slow()
1042             s->strstart - hash_head <= MAX_DIST(s)) {  in deflate_slow()
1054                   s->strstart - s->match_start > TOO_FAR))) {  in deflate_slow()
1066             uInt max_insert = s->strstart + s->lookahead - MIN_MATCH;  in deflate_slow()
1069             check_match(s, s->strstart-1, s->prev_match, s->prev_length);  in deflate_slow()
1071             bflush = zlib_tr_tally(s, s->strstart -1 - s->prev_match,  in deflate_slow()
1082                 if (++s->strstart <= max_insert) {  in deflate_slow()
1083                     INSERT_STRING(s, s->strstart, hash_head);  in deflate_slow()
1088             s->strstart++;  in deflate_slow()
1097             Tracevv((stderr,"%c", s->window[s->strstart-1]));  in deflate_slow()
1098             if (zlib_tr_tally (s, 0, s->window[s->strstart-1])) {  in deflate_slow()
1101             s->strstart++;  in deflate_slow()
1109             s->strstart++;  in deflate_slow()
1115         Tracevv((stderr,"%c", s->window[s->strstart-1]));  in deflate_slow()
1116         zlib_tr_tally (s, 0, s->window[s->strstart-1]);  in deflate_slow()