1 /* insert_string_roll.c -- insert_string rolling hash variant 2 * 3 * Copyright (C) 1995-2013 Jean-loup Gailly and Mark Adler 4 * For conditions of distribution and use, see copyright notice in zlib.h 5 * 6 */ 7 8 #include "zbuild.h" 9 #include "deflate.h" 10 11 #define HASH_SLIDE 5 12 13 #define HASH_CALC(s, h, val) h = ((h << HASH_SLIDE) ^ ((uint8_t)val)) 14 #define HASH_CALC_VAR s->ins_h 15 #define HASH_CALC_VAR_INIT 16 #define HASH_CALC_READ val = strstart[0] 17 #define HASH_CALC_MASK (32768u - 1u) 18 #define HASH_CALC_OFFSET (STD_MIN_MATCH-1) 19 20 #define UPDATE_HASH update_hash_roll 21 #define INSERT_STRING insert_string_roll 22 #define QUICK_INSERT_STRING quick_insert_string_roll 23 24 #include "insert_string_tpl.h" 25