sys/libkern/zlib.c

366     uInt  w_size;        /* LZ77 window size (32K by default) */
367     uInt  w_bits;        /* log2(w_size)  (8..16) */
368     uInt  w_mask;        /* w_size - 1 */
533 #define MAX_DIST(s)  ((s)->w_size-MIN_LOOKAHEAD)
798     s->w_size = 1 << s->w_bits;
799     s->w_mask = s->w_size - 1;
806     s->window = (Bytef *) ZALLOC(strm, s->w_size, 2*sizeof(Byte));
807     s->prev   = (Posf *)  ZALLOC(strm, s->w_size, sizeof(Pos));
1170     ds->window = (Bytef *) ZALLOC(dest, ds->w_size, 2*sizeof(Byte));
1171     ds->prev   = (Posf *)  ZALLOC(dest, ds->w_size, sizeof(Pos));
1182     zmemcpy(ds->window, ss->window, ds->w_size * 2 * sizeof(Byte));
1183     zmemcpy(ds->prev, ss->prev, ds->w_size * sizeof(Pos));
1245     s->window_size = (ulg)2L*s->w_size;
1463     uInt wsize = s->w_size;
1596             Assert(s->strstart < s->w_size+MAX_DIST(s) ||
1597 		   s->block_start >= (long)s->w_size, "slide too late");