upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/include/jffs2/mini_inflate.h

68 lines
2.1 KiB

/*-------------------------------------------------------------------------
* Filename: mini_inflate.h
* Version: $Id: mini_inflate.h,v 1.2 2002/01/17 00:53:20 nyet Exp $
* Copyright: Copyright (C) 2001, Russ Dill
* Author: Russ Dill <Russ.Dill@asu.edu>
* Description: Mini deflate implementation
*-----------------------------------------------------------------------*/
/*
* SPDX-License-Identifier: GPL-2.0+
*/
typedef __SIZE_TYPE__ size;
#define NO_ERROR 0
#define COMP_UNKNOWN 1 /* The specififed bytype is invalid */
#define CODE_NOT_FOUND 2 /* a huffman code in the stream could not be decoded */
#define TOO_MANY_BITS 3 /* pull_bits was passed an argument that is too
* large */
/* This struct represents an entire huffman code set. It has various lookup
* tables to speed decoding */
struct huffman_set {
int bits; /* maximum bit length */
int num_symbols; /* Number of symbols this code can represent */
int *lengths; /* The bit length of symbols */
int *symbols; /* All of the symbols, sorted by the huffman code */
int *count; /* the number of codes of this bit length */
int *first; /* the first code of this bit length */
int *pos; /* the symbol that first represents (in the symbols
* array) */
};
struct bitstream {
unsigned char *data; /* increments as we move from byte to byte */
unsigned char bit; /* 0 to 7 */
void *(*memcpy)(void *, const void *, size);
unsigned long decoded; /* The number of bytes decoded */
int error;
int distance_count[16];
int distance_first[16];
int distance_pos[16];
int distance_lengths[32];
int distance_symbols[32];
int code_count[8];
int code_first[8];
int code_pos[8];
int code_lengths[19];
int code_symbols[19];
int length_count[16];
int length_first[16];
int length_pos[16];
int length_lengths[288];
int length_symbols[288];
struct huffman_set codes;
struct huffman_set lengths;
struct huffman_set distance;
};
#define NO_COMP 0
#define FIXED_COMP 1
#define DYNAMIC_COMP 2
long decompress_block(unsigned char *dest, unsigned char *source,
void *(*inflate_memcpy)(void *dest, const void *src, size n));