zlib-ng/insert_string.c

25 lines
795 B
C

/* insert_string_c -- insert_string variant for c
*
* Copyright (C) 1995-2013 Jean-loup Gailly and Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*
*/
#include "zbuild.h"
#include "deflate.h"
/* ===========================================================================
* Update a hash value with the given input byte
* IN assertion: all calls to to UPDATE_HASH are made with consecutive
* input characters, so that a running hash key can be computed from the
* previous key instead of complete recalculation each time.
*/
#define UPDATE_HASH(s, h, val) \
h = ((val * 2654435761U) >> (32 - s->hash_bits));
#define INSERT_STRING insert_string_c
#define QUICK_INSERT_STRING quick_insert_string_c
#include "insert_string_tpl.h"