lib/zlib_deflate/deflate.c

12  *      sliding window trailing behind the input currently being processed).
175    (UPDATE_HASH(s, s->ins_h, s->window[(str) + (MIN_MATCH-1)]), \
233      *  DFLTCC requires the window to be page aligned.
261     s->window = (Byte *) mem->window_memory;
571     register Byte *scan = s->window + s->strstart; /* current string */
579      * we prevent matches with the string of window index 0.
588     register Byte *strend = s->window + s->strstart + MAX_MATCH - 1;
592     register Byte *strend = s->window + s->strstart + MAX_MATCH;
615         match = s->window + cur_match;
633          * necessary to put more guard bytes at the end of the window, or
646         /* Here, scan <= window+strstart+257 */
647         Assert(scan <= s->window+(unsigned)(s->window_size-1), "wild scan");
679         Assert(scan <= s->window+(unsigned)(s->window_size-1), "wild scan");
716     if (memcmp((char *)s->window + match,
717                 (char *)s->window + start, length) != EQUAL) {
721 	    fprintf(stderr, "%c%c", s->window[match++], s->window[start++]);
727         do { putc(s->window[start++], stderr); } while (--length != 0);
735  * Fill the window when the lookahead becomes insufficient.
750     unsigned more;    /* Amount of free space at the end of the window. */
766         /* If the window is almost full and there is insufficient lookahead,
771             memcpy((char *)s->window, (char *)s->window+wsize,
816         n = read_buf(s->strm, s->window + s->strstart + s->lookahead, more);
821             s->ins_h = s->window[s->strstart];
822             UPDATE_HASH(s, s->ins_h, s->window[s->strstart+1]);
840                    (char *)&s->window[(unsigned)s->block_start] : \
862  * window to pending_buf.
881         /* Fill the window as much as possible: */
945         /* Insert the string window[strstart .. strstart+2] in the
957              * of window index 0 (in particular we have to avoid a match
990                 s->ins_h = s->window[s->strstart];
991                 UPDATE_HASH(s, s->ins_h, s->window[s->strstart+1]);
1001             Tracevv((stderr,"%c", s->window[s->strstart]));
1002             bflush = zlib_tr_tally (s, 0, s->window[s->strstart]);
1015  * no better match at the next window position.
1040         /* Insert the string window[strstart .. strstart+2] in the
1055              * of window index 0 (in particular we have to avoid a match
1108             Tracevv((stderr,"%c", s->window[s->strstart-1]));
1109             if (zlib_tr_tally (s, 0, s->window[s->strstart-1])) {
1126         Tracevv((stderr,"%c", s->window[s->strstart-1]));
1127         zlib_tr_tally (s, 0, s->window[s->strstart-1]);