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Major changes, including Brotli and Lizard

Browse Source 
- update of zstd-mt library
- add brotli v0.6.0
- add lizard v2.0
- xxhash is from zstd for lz4, lz5 and lizard now
- update also the documentation, where needed
This commit is contained in:
Tino Reichardt
2017-05-25 18:40:15 +02:00
parent 40e87f615c
commit 5ff0657d9f
173 changed files with 3936 additions and 6591 deletions
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48
C/brotli/dec/bit_reader.c
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@@ -1,48 +0,0 @@
/* Copyright 2013 Google Inc. All Rights Reserved.
Distributed under MIT license.
See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
*/
/* Bit reading helpers */
#include "./bit_reader.h"
#include <brotli/types.h>
#include "./port.h"
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
void BrotliInitBitReader(BrotliBitReader* const br) {
br->val_ = 0;
br->bit_pos_ = sizeof(br->val_) << 3;
}
BROTLI_BOOL BrotliWarmupBitReader(BrotliBitReader* const br) {
size_t aligned_read_mask = (sizeof(br->val_) >> 1) - 1;
/* Fixing alignment after unaligned BrotliFillWindow would result accumulator
overflow. If unalignment is caused by BrotliSafeReadBits, then there is
enough space in accumulator to fix alignment. */
if (!BROTLI_ALIGNED_READ) {
aligned_read_mask = 0;
}
if (BrotliGetAvailableBits(br) == 0) {
if (!BrotliPullByte(br)) {
return BROTLI_FALSE;
}
}
while ((((size_t)br->next_in) & aligned_read_mask) != 0) {
if (!BrotliPullByte(br)) {
/* If we consumed all the input, we don't care about the alignment. */
return BROTLI_TRUE;
}
}
return BROTLI_TRUE;
}
#if defined(__cplusplus) || defined(c_plusplus)
} /* extern "C" */
#endif

2
C/brotli/dec/bit_reader.h
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@@ -11,7 +11,7 @@
#include <string.h> /* memcpy */
#include <brotli/types.h>
#include "../types.h"
#include "./port.h"
#if defined(__cplusplus) || defined(c_plusplus)

2
C/brotli/dec/context.h
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@@ -99,7 +99,7 @@
#ifndef BROTLI_DEC_CONTEXT_H_
#define BROTLI_DEC_CONTEXT_H_
#include <brotli/types.h>
#include "../types.h"
enum ContextType {
CONTEXT_LSB6 = 0,

2365
C/brotli/dec/decode.c
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358
C/brotli/dec/huffman.c
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@@ -1,358 +0,0 @@
/* Copyright 2013 Google Inc. All Rights Reserved.
Distributed under MIT license.
See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
*/
/* Utilities for building Huffman decoding tables. */
#include "./huffman.h"
#include <string.h> /* memcpy, memset */
#include "../common/constants.h"
#include <brotli/types.h>
#include "./port.h"
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
#define BROTLI_REVERSE_BITS_MAX 8
#ifdef BROTLI_RBIT
#define BROTLI_REVERSE_BITS_BASE \
((sizeof(reg_t) << 3) - BROTLI_REVERSE_BITS_MAX)
#else
#define BROTLI_REVERSE_BITS_BASE 0
static uint8_t kReverseBits[1 << BROTLI_REVERSE_BITS_MAX] = {
0x00, 0x80, 0x40, 0xC0, 0x20, 0xA0, 0x60, 0xE0,
0x10, 0x90, 0x50, 0xD0, 0x30, 0xB0, 0x70, 0xF0,
0x08, 0x88, 0x48, 0xC8, 0x28, 0xA8, 0x68, 0xE8,
0x18, 0x98, 0x58, 0xD8, 0x38, 0xB8, 0x78, 0xF8,
0x04, 0x84, 0x44, 0xC4, 0x24, 0xA4, 0x64, 0xE4,
0x14, 0x94, 0x54, 0xD4, 0x34, 0xB4, 0x74, 0xF4,
0x0C, 0x8C, 0x4C, 0xCC, 0x2C, 0xAC, 0x6C, 0xEC,
0x1C, 0x9C, 0x5C, 0xDC, 0x3C, 0xBC, 0x7C, 0xFC,
0x02, 0x82, 0x42, 0xC2, 0x22, 0xA2, 0x62, 0xE2,
0x12, 0x92, 0x52, 0xD2, 0x32, 0xB2, 0x72, 0xF2,
0x0A, 0x8A, 0x4A, 0xCA, 0x2A, 0xAA, 0x6A, 0xEA,
0x1A, 0x9A, 0x5A, 0xDA, 0x3A, 0xBA, 0x7A, 0xFA,
0x06, 0x86, 0x46, 0xC6, 0x26, 0xA6, 0x66, 0xE6,
0x16, 0x96, 0x56, 0xD6, 0x36, 0xB6, 0x76, 0xF6,
0x0E, 0x8E, 0x4E, 0xCE, 0x2E, 0xAE, 0x6E, 0xEE,
0x1E, 0x9E, 0x5E, 0xDE, 0x3E, 0xBE, 0x7E, 0xFE,
0x01, 0x81, 0x41, 0xC1, 0x21, 0xA1, 0x61, 0xE1,
0x11, 0x91, 0x51, 0xD1, 0x31, 0xB1, 0x71, 0xF1,
0x09, 0x89, 0x49, 0xC9, 0x29, 0xA9, 0x69, 0xE9,
0x19, 0x99, 0x59, 0xD9, 0x39, 0xB9, 0x79, 0xF9,
0x05, 0x85, 0x45, 0xC5, 0x25, 0xA5, 0x65, 0xE5,
0x15, 0x95, 0x55, 0xD5, 0x35, 0xB5, 0x75, 0xF5,
0x0D, 0x8D, 0x4D, 0xCD, 0x2D, 0xAD, 0x6D, 0xED,
0x1D, 0x9D, 0x5D, 0xDD, 0x3D, 0xBD, 0x7D, 0xFD,
0x03, 0x83, 0x43, 0xC3, 0x23, 0xA3, 0x63, 0xE3,
0x13, 0x93, 0x53, 0xD3, 0x33, 0xB3, 0x73, 0xF3,
0x0B, 0x8B, 0x4B, 0xCB, 0x2B, 0xAB, 0x6B, 0xEB,
0x1B, 0x9B, 0x5B, 0xDB, 0x3B, 0xBB, 0x7B, 0xFB,
0x07, 0x87, 0x47, 0xC7, 0x27, 0xA7, 0x67, 0xE7,
0x17, 0x97, 0x57, 0xD7, 0x37, 0xB7, 0x77, 0xF7,
0x0F, 0x8F, 0x4F, 0xCF, 0x2F, 0xAF, 0x6F, 0xEF,
0x1F, 0x9F, 0x5F, 0xDF, 0x3F, 0xBF, 0x7F, 0xFF
};
#endif /* BROTLI_RBIT */
#define BROTLI_REVERSE_BITS_LOWEST \
((reg_t)1 << (BROTLI_REVERSE_BITS_MAX - 1 + BROTLI_REVERSE_BITS_BASE))
/* Returns reverse(num >> BROTLI_REVERSE_BITS_BASE, BROTLI_REVERSE_BITS_MAX),
where reverse(value, len) is the bit-wise reversal of the len least
significant bits of value. */
static BROTLI_INLINE reg_t BrotliReverseBits(reg_t num) {
#ifdef BROTLI_RBIT
return BROTLI_RBIT(num);
#else
return kReverseBits[num];
#endif
}
/* Stores code in table[0], table[step], table[2*step], ..., table[end] */
/* Assumes that end is an integer multiple of step */
static BROTLI_INLINE void ReplicateValue(HuffmanCode* table,
int step, int end,
HuffmanCode code) {
do {
end -= step;
table[end] = code;
} while (end > 0);
}
/* Returns the table width of the next 2nd level table. count is the histogram
of bit lengths for the remaining symbols, len is the code length of the next
processed symbol */
static BROTLI_INLINE int NextTableBitSize(const uint16_t* const count,
int len, int root_bits) {
int left = 1 << (len - root_bits);
while (len < BROTLI_HUFFMAN_MAX_CODE_LENGTH) {
left -= count[len];
if (left <= 0) break;
++len;
left <<= 1;
}
return len - root_bits;
}
void BrotliBuildCodeLengthsHuffmanTable(HuffmanCode* table,
const uint8_t* const code_lengths,
uint16_t* count) {
HuffmanCode code; /* current table entry */
int symbol; /* symbol index in original or sorted table */
reg_t key; /* prefix code */
reg_t key_step; /* prefix code addend */
int step; /* step size to replicate values in current table */
int table_size; /* size of current table */
int sorted[BROTLI_CODE_LENGTH_CODES]; /* symbols sorted by code length */
/* offsets in sorted table for each length */
int offset[BROTLI_HUFFMAN_MAX_CODE_LENGTH_CODE_LENGTH + 1];
int bits;
int bits_count;
BROTLI_DCHECK(BROTLI_HUFFMAN_MAX_CODE_LENGTH_CODE_LENGTH <=
BROTLI_REVERSE_BITS_MAX);
/* generate offsets into sorted symbol table by code length */
symbol = -1;
bits = 1;
BROTLI_REPEAT(BROTLI_HUFFMAN_MAX_CODE_LENGTH_CODE_LENGTH, {
symbol += count[bits];
offset[bits] = symbol;
bits++;
});
/* Symbols with code length 0 are placed after all other symbols. */
offset[0] = BROTLI_CODE_LENGTH_CODES - 1;
/* sort symbols by length, by symbol order within each length */
symbol = BROTLI_CODE_LENGTH_CODES;
do {
BROTLI_REPEAT(6, {
symbol--;
sorted[offset[code_lengths[symbol]]--] = symbol;
});
} while (symbol != 0);
table_size = 1 << BROTLI_HUFFMAN_MAX_CODE_LENGTH_CODE_LENGTH;
/* Special case: all symbols but one have 0 code length. */
if (offset[0] == 0) {
code.bits = 0;
code.value = (uint16_t)sorted[0];
for (key = 0; key < (reg_t)table_size; ++key) {
table[key] = code;
}
return;
}
/* fill in table */
key = 0;
key_step = BROTLI_REVERSE_BITS_LOWEST;
symbol = 0;
bits = 1;
step = 2;
do {
code.bits = (uint8_t)bits;
for (bits_count = count[bits]; bits_count != 0; --bits_count) {
code.value = (uint16_t)sorted[symbol++];
ReplicateValue(&table[BrotliReverseBits(key)], step, table_size, code);
key += key_step;
}
step <<= 1;
key_step >>= 1;
} while (++bits <= BROTLI_HUFFMAN_MAX_CODE_LENGTH_CODE_LENGTH);
}
uint32_t BrotliBuildHuffmanTable(HuffmanCode* root_table,
int root_bits,
const uint16_t* const symbol_lists,
uint16_t* count) {
HuffmanCode code; /* current table entry */
HuffmanCode* table; /* next available space in table */
int len; /* current code length */
int symbol; /* symbol index in original or sorted table */
reg_t key; /* prefix code */
reg_t key_step; /* prefix code addend */
reg_t sub_key; /* 2nd level table prefix code */
reg_t sub_key_step; /* 2nd level table prefix code addend */
int step; /* step size to replicate values in current table */
int table_bits; /* key length of current table */
int table_size; /* size of current table */
int total_size; /* sum of root table size and 2nd level table sizes */
int max_length = -1;
int bits;
int bits_count;
BROTLI_DCHECK(root_bits <= BROTLI_REVERSE_BITS_MAX);
BROTLI_DCHECK(BROTLI_HUFFMAN_MAX_CODE_LENGTH - root_bits <=
BROTLI_REVERSE_BITS_MAX);
while (symbol_lists[max_length] == 0xFFFF) max_length--;
max_length += BROTLI_HUFFMAN_MAX_CODE_LENGTH + 1;
table = root_table;
table_bits = root_bits;
table_size = 1 << table_bits;
total_size = table_size;
/* fill in root table */
/* let's reduce the table size to a smaller size if possible, and */
/* create the repetitions by memcpy if possible in the coming loop */
if (table_bits > max_length) {
table_bits = max_length;
table_size = 1 << table_bits;
}
key = 0;
key_step = BROTLI_REVERSE_BITS_LOWEST;
bits = 1;
step = 2;
do {
code.bits = (uint8_t)bits;
symbol = bits - (BROTLI_HUFFMAN_MAX_CODE_LENGTH + 1);
for (bits_count = count[bits]; bits_count != 0; --bits_count) {
symbol = symbol_lists[symbol];
code.value = (uint16_t)symbol;
ReplicateValue(&table[BrotliReverseBits(key)], step, table_size, code);
key += key_step;
}
step <<= 1;
key_step >>= 1;
} while (++bits <= table_bits);
/* if root_bits != table_bits we only created one fraction of the */
/* table, and we need to replicate it now. */
while (total_size != table_size) {
memcpy(&table[table_size], &table[0],
(size_t)table_size * sizeof(table[0]));
table_size <<= 1;
}
/* fill in 2nd level tables and add pointers to root table */
key_step = BROTLI_REVERSE_BITS_LOWEST >> (root_bits - 1);
sub_key = (BROTLI_REVERSE_BITS_LOWEST << 1);
sub_key_step = BROTLI_REVERSE_BITS_LOWEST;
for (len = root_bits + 1, step = 2; len <= max_length; ++len) {
symbol = len - (BROTLI_HUFFMAN_MAX_CODE_LENGTH + 1);
for (; count[len] != 0; --count[len]) {
if (sub_key == (BROTLI_REVERSE_BITS_LOWEST << 1U)) {
table += table_size;
table_bits = NextTableBitSize(count, len, root_bits);
table_size = 1 << table_bits;
total_size += table_size;
sub_key = BrotliReverseBits(key);
key += key_step;
root_table[sub_key].bits = (uint8_t)(table_bits + root_bits);
root_table[sub_key].value =
(uint16_t)(((size_t)(table - root_table)) - sub_key);
sub_key = 0;
}
code.bits = (uint8_t)(len - root_bits);
symbol = symbol_lists[symbol];
code.value = (uint16_t)symbol;
ReplicateValue(
&table[BrotliReverseBits(sub_key)], step, table_size, code);
sub_key += sub_key_step;
}
step <<= 1;
sub_key_step >>= 1;
}
return (uint32_t)total_size;
}
uint32_t BrotliBuildSimpleHuffmanTable(HuffmanCode* table,
int root_bits,
uint16_t* val,
uint32_t num_symbols) {
uint32_t table_size = 1;
const uint32_t goal_size = 1U << root_bits;
switch (num_symbols) {
case 0:
table[0].bits = 0;
table[0].value = val[0];
break;
case 1:
table[0].bits = 1;
table[1].bits = 1;
if (val[1] > val[0]) {
table[0].value = val[0];
table[1].value = val[1];
} else {
table[0].value = val[1];
table[1].value = val[0];
}
table_size = 2;
break;
case 2:
table[0].bits = 1;
table[0].value = val[0];
table[2].bits = 1;
table[2].value = val[0];
if (val[2] > val[1]) {
table[1].value = val[1];
table[3].value = val[2];
} else {
table[1].value = val[2];
table[3].value = val[1];
}
table[1].bits = 2;
table[3].bits = 2;
table_size = 4;
break;
case 3: {
int i, k;
for (i = 0; i < 3; ++i) {
for (k = i + 1; k < 4; ++k) {
if (val[k] < val[i]) {
uint16_t t = val[k];
val[k] = val[i];
val[i] = t;
}
}
}
for (i = 0; i < 4; ++i) {
table[i].bits = 2;
}
table[0].value = val[0];
table[2].value = val[1];
table[1].value = val[2];
table[3].value = val[3];
table_size = 4;
break;
}
case 4: {
int i;
if (val[3] < val[2]) {
uint16_t t = val[3];
val[3] = val[2];
val[2] = t;
}
for (i = 0; i < 7; ++i) {
table[i].value = val[0];
table[i].bits = (uint8_t)(1 + (i & 1));
}
table[1].value = val[1];
table[3].value = val[2];
table[5].value = val[1];
table[7].value = val[3];
table[3].bits = 3;
table[7].bits = 3;
table_size = 8;
break;
}
}
while (table_size != goal_size) {
memcpy(&table[table_size], &table[0],
(size_t)table_size * sizeof(table[0]));
table_size <<= 1;
}
return goal_size;
}
#if defined(__cplusplus) || defined(c_plusplus)
} /* extern "C" */
#endif

2
C/brotli/dec/huffman.h
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@@ -9,7 +9,7 @@
#ifndef BROTLI_DEC_HUFFMAN_H_
#define BROTLI_DEC_HUFFMAN_H_
#include <brotli/types.h>
#include "../types.h"
#include "./port.h"
#if defined(__cplusplus) || defined(c_plusplus)

2
C/brotli/dec/port.h
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@@ -30,7 +30,7 @@
#include <stdio.h>
#endif
#include <brotli/port.h>
#include "../port.h"
#if defined(__arm__) || defined(__thumb__) || \
defined(_M_ARM) || defined(_M_ARMT) || defined(__ARM64_ARCH_8__)

2
C/brotli/dec/prefix.h
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@@ -12,7 +12,7 @@
#define BROTLI_DEC_PREFIX_H_
#include "../common/constants.h"
#include <brotli/types.h>
#include "../types.h"
/* Represents the range of values belonging to a prefix code: */
/* [offset, offset + 2^nbits) */

169
C/brotli/dec/state.c
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@@ -1,169 +0,0 @@
/* Copyright 2015 Google Inc. All Rights Reserved.
Distributed under MIT license.
See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
*/
#include "./state.h"
#include <stdlib.h> /* free, malloc */
#include <brotli/types.h>
#include "./huffman.h"
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
static void* DefaultAllocFunc(void* opaque, size_t size) {
BROTLI_UNUSED(opaque);
return malloc(size);
}
static void DefaultFreeFunc(void* opaque, void* address) {
BROTLI_UNUSED(opaque);
free(address);
}
void BrotliDecoderStateInit(BrotliDecoderState* s) {
BrotliDecoderStateInitWithCustomAllocators(s, 0, 0, 0);
}
void BrotliDecoderStateInitWithCustomAllocators(BrotliDecoderState* s,
brotli_alloc_func alloc_func, brotli_free_func free_func, void* opaque) {
if (!alloc_func) {
s->alloc_func = DefaultAllocFunc;
s->free_func = DefaultFreeFunc;
s->memory_manager_opaque = 0;
} else {
s->alloc_func = alloc_func;
s->free_func = free_func;
s->memory_manager_opaque = opaque;
}
BrotliInitBitReader(&s->br);
s->state = BROTLI_STATE_UNINITED;
s->substate_metablock_header = BROTLI_STATE_METABLOCK_HEADER_NONE;
s->substate_tree_group = BROTLI_STATE_TREE_GROUP_NONE;
s->substate_context_map = BROTLI_STATE_CONTEXT_MAP_NONE;
s->substate_uncompressed = BROTLI_STATE_UNCOMPRESSED_NONE;
s->substate_huffman = BROTLI_STATE_HUFFMAN_NONE;
s->substate_decode_uint8 = BROTLI_STATE_DECODE_UINT8_NONE;
s->substate_read_block_length = BROTLI_STATE_READ_BLOCK_LENGTH_NONE;
s->dictionary = BrotliGetDictionary();
s->buffer_length = 0;
s->loop_counter = 0;
s->pos = 0;
s->rb_roundtrips = 0;
s->partial_pos_out = 0;
s->block_type_trees = NULL;
s->block_len_trees = NULL;
s->ringbuffer = NULL;
s->ringbuffer_size = 0;
s->new_ringbuffer_size = 0;
s->ringbuffer_mask = 0;
s->context_map = NULL;
s->context_modes = NULL;
s->dist_context_map = NULL;
s->context_map_slice = NULL;
s->dist_context_map_slice = NULL;
s->sub_loop_counter = 0;
s->literal_hgroup.codes = NULL;
s->literal_hgroup.htrees = NULL;
s->insert_copy_hgroup.codes = NULL;
s->insert_copy_hgroup.htrees = NULL;
s->distance_hgroup.codes = NULL;
s->distance_hgroup.htrees = NULL;
s->custom_dict = NULL;
s->custom_dict_size = 0;
s->is_last_metablock = 0;
s->should_wrap_ringbuffer = 0;
s->window_bits = 0;
s->max_distance = 0;
s->dist_rb[0] = 16;
s->dist_rb[1] = 15;
s->dist_rb[2] = 11;
s->dist_rb[3] = 4;
s->dist_rb_idx = 0;
s->block_type_trees = NULL;
s->block_len_trees = NULL;
/* Make small negative indexes addressable. */
s->symbol_lists = &s->symbols_lists_array[BROTLI_HUFFMAN_MAX_CODE_LENGTH + 1];
s->mtf_upper_bound = 63;
}
void BrotliDecoderStateMetablockBegin(BrotliDecoderState* s) {
s->meta_block_remaining_len = 0;
s->block_length[0] = 1U << 28;
s->block_length[1] = 1U << 28;
s->block_length[2] = 1U << 28;
s->num_block_types[0] = 1;
s->num_block_types[1] = 1;
s->num_block_types[2] = 1;
s->block_type_rb[0] = 1;
s->block_type_rb[1] = 0;
s->block_type_rb[2] = 1;
s->block_type_rb[3] = 0;
s->block_type_rb[4] = 1;
s->block_type_rb[5] = 0;
s->context_map = NULL;
s->context_modes = NULL;
s->dist_context_map = NULL;
s->context_map_slice = NULL;
s->literal_htree = NULL;
s->dist_context_map_slice = NULL;
s->dist_htree_index = 0;
s->context_lookup1 = NULL;
s->context_lookup2 = NULL;
s->literal_hgroup.codes = NULL;
s->literal_hgroup.htrees = NULL;
s->insert_copy_hgroup.codes = NULL;
s->insert_copy_hgroup.htrees = NULL;
s->distance_hgroup.codes = NULL;
s->distance_hgroup.htrees = NULL;
}
void BrotliDecoderStateCleanupAfterMetablock(BrotliDecoderState* s) {
BROTLI_FREE(s, s->context_modes);
BROTLI_FREE(s, s->context_map);
BROTLI_FREE(s, s->dist_context_map);
BROTLI_FREE(s, s->literal_hgroup.htrees);
BROTLI_FREE(s, s->insert_copy_hgroup.htrees);
BROTLI_FREE(s, s->distance_hgroup.htrees);
}
void BrotliDecoderStateCleanup(BrotliDecoderState* s) {
BrotliDecoderStateCleanupAfterMetablock(s);
BROTLI_FREE(s, s->ringbuffer);
BROTLI_FREE(s, s->block_type_trees);
}
BROTLI_BOOL BrotliDecoderHuffmanTreeGroupInit(BrotliDecoderState* s,
HuffmanTreeGroup* group, uint32_t alphabet_size, uint32_t ntrees) {
/* Pack two allocations into one */
const size_t max_table_size = kMaxHuffmanTableSize[(alphabet_size + 31) >> 5];
const size_t code_size = sizeof(HuffmanCode) * ntrees * max_table_size;
const size_t htree_size = sizeof(HuffmanCode*) * ntrees;
/* Pointer alignment is, hopefully, wider than sizeof(HuffmanCode). */
HuffmanCode** p = (HuffmanCode**)BROTLI_ALLOC(s, code_size + htree_size);
group->alphabet_size = (uint16_t)alphabet_size;
group->num_htrees = (uint16_t)ntrees;
group->htrees = p;
group->codes = (HuffmanCode*)(&p[ntrees]);
return !!p;
}
#if defined(__cplusplus) || defined(c_plusplus)
} /* extern "C" */
#endif

2
C/brotli/dec/state.h
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@@ -11,7 +11,7 @@
#include "../common/constants.h"
#include "../common/dictionary.h"
#include <brotli/types.h>
#include "../types.h"
#include "./bit_reader.h"
#include "./huffman.h"
#include "./port.h"

2
C/brotli/dec/transform.h
View File

@@ -9,7 +9,7 @@
#ifndef BROTLI_DEC_TRANSFORM_H_
#define BROTLI_DEC_TRANSFORM_H_
#include <brotli/types.h>
#include "../types.h"
#include "./port.h"
#if defined(__cplusplus) || defined(c_plusplus)