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1 /* inffast_chunk.h -- header to use inffast_chunk.c
2  * Copyright (C) 1995-2003, 2010 Mark Adler
3  * Copyright (C) 2017 ARM, Inc.
4  * For conditions of distribution and use, see copyright notice in zlib.h
5  */
6 
7 /* WARNING: this file should *not* be used by applications. It is
8    part of the implementation of the compression library and is
9    subject to change. Applications should only use zlib.h.
10  */
11 
12 #include "inffast.h"
13 
14 /* INFLATE_FAST_MIN_INPUT: the minimum number of input bytes needed so that
15    we can safely call inflate_fast() with only one up-front bounds check. One
16    length/distance code pair (15 bits for the length code, 5 bits for length
17    extra, 15 bits for the distance code, 13 bits for distance extra) requires
18    reading up to 48 input bits (6 bytes). The wide input data reading option
19    requires a little endian machine, and reads 64 input bits (8 bytes).
20 */
21 #ifdef INFLATE_CHUNK_READ_64LE
22 #undef INFLATE_FAST_MIN_INPUT
23 #define INFLATE_FAST_MIN_INPUT 8
24 #endif
25 
26 void ZLIB_INTERNAL inflate_fast_chunk_ OF((z_streamp strm, unsigned start));
27