77 Externals/bzip2/CMakeLists.txt
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project(bzip2 C)

include(CheckTypeSize)
include(CheckFunctionExists)
include(CheckIncludeFile)
include(CheckCSourceCompiles)

check_include_file(sys/types.h HAVE_SYS_TYPES_H)
check_include_file(stdint.h HAVE_STDINT_H)
check_include_file(stddef.h HAVE_STDDEF_H)

# Check to see if we have large file support
set(CMAKE_REQUIRED_DEFINITIONS -D_LARGEFILE64_SOURCE=1)
# We add these other definitions here because CheckTypeSize.cmake
# in CMake 2.4.x does not automatically do so and we want
# compatibility with CMake 2.4.x.
if(HAVE_SYS_TYPES_H)
list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_SYS_TYPES_H)
endif()
if(HAVE_STDINT_H)
list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_STDINT_H)
endif()
if(HAVE_STDDEF_H)
list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_STDDEF_H)
endif()
check_type_size(off64_t OFF64_T)
if(HAVE_OFF64_T)
add_definitions(-D_LARGEFILE64_SOURCE=1)
endif()
set(CMAKE_REQUIRED_DEFINITIONS) # clear variable

# Check for fseeko
check_function_exists(fseeko HAVE_FSEEKO)
if(NOT HAVE_FSEEKO)
add_definitions(-DNO_FSEEKO)
endif()

#
# Check for unistd.h
#
check_include_file(unistd.h HAVE_UNISTD_H)
if(HAVE_UNISTD_H)
add_definitions(-DHAVE_UNISTD_H)
endif()

if(MSVC)
add_definitions(-D_CRT_SECURE_NO_DEPRECATE)
add_definitions(-D_CRT_NONSTDC_NO_DEPRECATE)
endif()

#============================================================================
# bzip2
#============================================================================

set(BZIP2_PUBLIC_HDRS
bzlib.h
)
set(BZIP2_PRIVATE_HDRS
bzlib_private.h
)
set(BZIP2_SRCS
blocksort.c
huffman.c
crctable.c
randtable.c
compress.c
decompress.c
bzlib.c
)

add_library(bzip2 STATIC ${BZIP2_SRCS} ${BZIP2_PUBLIC_HDRS} ${BZIP2_PRIVATE_HDRS})
add_library(BZip2::BZip2 ALIAS bzip2)

target_include_directories(bzip2
PUBLIC
${CMAKE_CURRENT_SOURCE_DIR}
)
42 Externals/bzip2/LICENSE
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@@ -0,0 +1,42 @@

--------------------------------------------------------------------------

This program, "bzip2", the associated library "libbzip2", and all
documentation, are copyright (C) 1996-2019 Julian R Seward. All
rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:

1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.

2. The origin of this software must not be misrepresented; you must
not claim that you wrote the original software. If you use this
software in a product, an acknowledgment in the product
documentation would be appreciated but is not required.

3. Altered source versions must be plainly marked as such, and must
not be misrepresented as being the original software.

4. The name of the author may not be used to endorse or promote
products derived from this software without specific prior written
permission.

THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Julian Seward, jseward@acm.org
bzip2/libbzip2 version 1.0.8 of 13 July 2019

--------------------------------------------------------------------------
1,094 Externals/bzip2/blocksort.c
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64 Externals/bzip2/bzip2.vcxproj
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<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" ToolsVersion="16.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup Label="ProjectConfigurations">
<ProjectConfiguration Include="Debug|ARM64">
<Configuration>Debug</Configuration>
<Platform>ARM64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|x64">
<Configuration>Debug</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|ARM64">
<Configuration>Release</Configuration>
<Platform>ARM64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|x64">
<Configuration>Release</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
</ItemGroup>
<PropertyGroup Label="Globals">
<VCProjectVersion>16.0</VCProjectVersion>
<ProjectGuid>{1D8C51D2-FFA4-418E-B183-9F42B6A6717E}</ProjectGuid>
<RootNamespace>bzip2</RootNamespace>
<WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
</PropertyGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
<PropertyGroup Label="Configuration">
<ConfigurationType>StaticLibrary</ConfigurationType>
<PlatformToolset>v142</PlatformToolset>
<CharacterSet>Unicode</CharacterSet>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
<UseDebugLibraries>true</UseDebugLibraries>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
<UseDebugLibraries>false</UseDebugLibraries>
</PropertyGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
<ImportGroup Label="ExtensionSettings">
</ImportGroup>
<ImportGroup Label="PropertySheets">
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
<Import Project="..\..\Source\VSProps\Base.props" />
<Import Project="..\..\Source\VSProps\ClDisableAllWarnings.props" />
</ImportGroup>
<PropertyGroup Label="UserMacros" />
<ItemGroup>
<ClCompile Include="blocksort.c" />
<ClCompile Include="bzlib.c" />
<ClCompile Include="compress.c" />
<ClCompile Include="crctable.c" />
<ClCompile Include="decompress.c" />
<ClCompile Include="huffman.c" />
<ClCompile Include="randtable.c" />
</ItemGroup>
<ItemGroup>
<ClInclude Include="bzlib.h" />
<ClInclude Include="bzlib_private.h" />
</ItemGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
<ImportGroup Label="ExtensionTargets">
</ImportGroup>
</Project>
16 Externals/bzip2/bzip2.vcxproj.filters
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<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup>
<ClCompile Include="blocksort.c" />
<ClCompile Include="bzlib.c" />
<ClCompile Include="compress.c" />
<ClCompile Include="crctable.c" />
<ClCompile Include="decompress.c" />
<ClCompile Include="huffman.c" />
<ClCompile Include="randtable.c" />
</ItemGroup>
<ItemGroup>
<ClInclude Include="bzlib.h" />
<ClInclude Include="bzlib_private.h" />
</ItemGroup>
</Project>
1,572 Externals/bzip2/bzlib.c
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282 Externals/bzip2/bzlib.h
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/*-------------------------------------------------------------*/
/*--- Public header file for the library. ---*/
/*--- bzlib.h ---*/
/*-------------------------------------------------------------*/

/* ------------------------------------------------------------------
This file is part of bzip2/libbzip2, a program and library for
lossless, block-sorting data compression.
bzip2/libbzip2 version 1.0.8 of 13 July 2019
Copyright (C) 1996-2019 Julian Seward <jseward@acm.org>
Please read the WARNING, DISCLAIMER and PATENTS sections in the
README file.
This program is released under the terms of the license contained
in the file LICENSE.
------------------------------------------------------------------ */


#ifndef _BZLIB_H
#define _BZLIB_H

#ifdef __cplusplus
extern "C" {
#endif

#define BZ_RUN 0
#define BZ_FLUSH 1
#define BZ_FINISH 2

#define BZ_OK 0
#define BZ_RUN_OK 1
#define BZ_FLUSH_OK 2
#define BZ_FINISH_OK 3
#define BZ_STREAM_END 4
#define BZ_SEQUENCE_ERROR (-1)
#define BZ_PARAM_ERROR (-2)
#define BZ_MEM_ERROR (-3)
#define BZ_DATA_ERROR (-4)
#define BZ_DATA_ERROR_MAGIC (-5)
#define BZ_IO_ERROR (-6)
#define BZ_UNEXPECTED_EOF (-7)
#define BZ_OUTBUFF_FULL (-8)
#define BZ_CONFIG_ERROR (-9)

typedef
struct {
char *next_in;
unsigned int avail_in;
unsigned int total_in_lo32;
unsigned int total_in_hi32;

char *next_out;
unsigned int avail_out;
unsigned int total_out_lo32;
unsigned int total_out_hi32;

void *state;

void *(*bzalloc)(void *,int,int);
void (*bzfree)(void *,void *);
void *opaque;
}
bz_stream;


#ifndef BZ_IMPORT
#define BZ_EXPORT
#endif

#ifndef BZ_NO_STDIO
/* Need a definitition for FILE */
#include <stdio.h>
#endif

#ifdef _WIN32
# include <windows.h>
# ifdef small
/* windows.h define small to char */
# undef small
# endif
# ifdef BZ_EXPORT
# define BZ_API(func) WINAPI func
# define BZ_EXTERN extern
# else
/* import windows dll dynamically */
# define BZ_API(func) (WINAPI * func)
# define BZ_EXTERN
# endif
#else
# define BZ_API(func) func
# define BZ_EXTERN extern
#endif


/*-- Core (low-level) library functions --*/

BZ_EXTERN int BZ_API(BZ2_bzCompressInit) (
bz_stream* strm,
int blockSize100k,
int verbosity,
int workFactor
);

BZ_EXTERN int BZ_API(BZ2_bzCompress) (
bz_stream* strm,
int action
);

BZ_EXTERN int BZ_API(BZ2_bzCompressEnd) (
bz_stream* strm
);

BZ_EXTERN int BZ_API(BZ2_bzDecompressInit) (
bz_stream *strm,
int verbosity,
int small
);

BZ_EXTERN int BZ_API(BZ2_bzDecompress) (
bz_stream* strm
);

BZ_EXTERN int BZ_API(BZ2_bzDecompressEnd) (
bz_stream *strm
);



/*-- High(er) level library functions --*/

#ifndef BZ_NO_STDIO
#define BZ_MAX_UNUSED 5000

typedef void BZFILE;

BZ_EXTERN BZFILE* BZ_API(BZ2_bzReadOpen) (
int* bzerror,
FILE* f,
int verbosity,
int small,
void* unused,
int nUnused
);

BZ_EXTERN void BZ_API(BZ2_bzReadClose) (
int* bzerror,
BZFILE* b
);

BZ_EXTERN void BZ_API(BZ2_bzReadGetUnused) (
int* bzerror,
BZFILE* b,
void** unused,
int* nUnused
);

BZ_EXTERN int BZ_API(BZ2_bzRead) (
int* bzerror,
BZFILE* b,
void* buf,
int len
);

BZ_EXTERN BZFILE* BZ_API(BZ2_bzWriteOpen) (
int* bzerror,
FILE* f,
int blockSize100k,
int verbosity,
int workFactor
);

BZ_EXTERN void BZ_API(BZ2_bzWrite) (
int* bzerror,
BZFILE* b,
void* buf,
int len
);

BZ_EXTERN void BZ_API(BZ2_bzWriteClose) (
int* bzerror,
BZFILE* b,
int abandon,
unsigned int* nbytes_in,
unsigned int* nbytes_out
);

BZ_EXTERN void BZ_API(BZ2_bzWriteClose64) (
int* bzerror,
BZFILE* b,
int abandon,
unsigned int* nbytes_in_lo32,
unsigned int* nbytes_in_hi32,
unsigned int* nbytes_out_lo32,
unsigned int* nbytes_out_hi32
);
#endif


/*-- Utility functions --*/

BZ_EXTERN int BZ_API(BZ2_bzBuffToBuffCompress) (
char* dest,
unsigned int* destLen,
char* source,
unsigned int sourceLen,
int blockSize100k,
int verbosity,
int workFactor
);

BZ_EXTERN int BZ_API(BZ2_bzBuffToBuffDecompress) (
char* dest,
unsigned int* destLen,
char* source,
unsigned int sourceLen,
int small,
int verbosity
);


/*--
Code contributed by Yoshioka Tsuneo (tsuneo@rr.iij4u.or.jp)
to support better zlib compatibility.
This code is not _officially_ part of libbzip2 (yet);
I haven't tested it, documented it, or considered the
threading-safeness of it.
If this code breaks, please contact both Yoshioka and me.
--*/

BZ_EXTERN const char * BZ_API(BZ2_bzlibVersion) (
void
);

#ifndef BZ_NO_STDIO
BZ_EXTERN BZFILE * BZ_API(BZ2_bzopen) (
const char *path,
const char *mode
);

BZ_EXTERN BZFILE * BZ_API(BZ2_bzdopen) (
int fd,
const char *mode
);

BZ_EXTERN int BZ_API(BZ2_bzread) (
BZFILE* b,
void* buf,
int len
);

BZ_EXTERN int BZ_API(BZ2_bzwrite) (
BZFILE* b,
void* buf,
int len
);

BZ_EXTERN int BZ_API(BZ2_bzflush) (
BZFILE* b
);

BZ_EXTERN void BZ_API(BZ2_bzclose) (
BZFILE* b
);

BZ_EXTERN const char * BZ_API(BZ2_bzerror) (
BZFILE *b,
int *errnum
);
#endif

#ifdef __cplusplus
}
#endif

#endif

/*-------------------------------------------------------------*/
/*--- end bzlib.h ---*/
/*-------------------------------------------------------------*/
509 Externals/bzip2/bzlib_private.h
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672 Externals/bzip2/compress.c
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104 Externals/bzip2/crctable.c
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/*-------------------------------------------------------------*/
/*--- Table for doing CRCs ---*/
/*--- crctable.c ---*/
/*-------------------------------------------------------------*/

/* ------------------------------------------------------------------
This file is part of bzip2/libbzip2, a program and library for
lossless, block-sorting data compression.
bzip2/libbzip2 version 1.0.8 of 13 July 2019
Copyright (C) 1996-2019 Julian Seward <jseward@acm.org>
Please read the WARNING, DISCLAIMER and PATENTS sections in the
README file.
This program is released under the terms of the license contained
in the file LICENSE.
------------------------------------------------------------------ */


#include "bzlib_private.h"

/*--
I think this is an implementation of the AUTODIN-II,
Ethernet & FDDI 32-bit CRC standard. Vaguely derived
from code by Rob Warnock, in Section 51 of the
comp.compression FAQ.
--*/

UInt32 BZ2_crc32Table[256] = {

/*-- Ugly, innit? --*/

0x00000000L, 0x04c11db7L, 0x09823b6eL, 0x0d4326d9L,
0x130476dcL, 0x17c56b6bL, 0x1a864db2L, 0x1e475005L,
0x2608edb8L, 0x22c9f00fL, 0x2f8ad6d6L, 0x2b4bcb61L,
0x350c9b64L, 0x31cd86d3L, 0x3c8ea00aL, 0x384fbdbdL,
0x4c11db70L, 0x48d0c6c7L, 0x4593e01eL, 0x4152fda9L,
0x5f15adacL, 0x5bd4b01bL, 0x569796c2L, 0x52568b75L,
0x6a1936c8L, 0x6ed82b7fL, 0x639b0da6L, 0x675a1011L,
0x791d4014L, 0x7ddc5da3L, 0x709f7b7aL, 0x745e66cdL,
0x9823b6e0L, 0x9ce2ab57L, 0x91a18d8eL, 0x95609039L,
0x8b27c03cL, 0x8fe6dd8bL, 0x82a5fb52L, 0x8664e6e5L,
0xbe2b5b58L, 0xbaea46efL, 0xb7a96036L, 0xb3687d81L,
0xad2f2d84L, 0xa9ee3033L, 0xa4ad16eaL, 0xa06c0b5dL,
0xd4326d90L, 0xd0f37027L, 0xddb056feL, 0xd9714b49L,
0xc7361b4cL, 0xc3f706fbL, 0xceb42022L, 0xca753d95L,
0xf23a8028L, 0xf6fb9d9fL, 0xfbb8bb46L, 0xff79a6f1L,
0xe13ef6f4L, 0xe5ffeb43L, 0xe8bccd9aL, 0xec7dd02dL,
0x34867077L, 0x30476dc0L, 0x3d044b19L, 0x39c556aeL,
0x278206abL, 0x23431b1cL, 0x2e003dc5L, 0x2ac12072L,
0x128e9dcfL, 0x164f8078L, 0x1b0ca6a1L, 0x1fcdbb16L,
0x018aeb13L, 0x054bf6a4L, 0x0808d07dL, 0x0cc9cdcaL,
0x7897ab07L, 0x7c56b6b0L, 0x71159069L, 0x75d48ddeL,
0x6b93dddbL, 0x6f52c06cL, 0x6211e6b5L, 0x66d0fb02L,
0x5e9f46bfL, 0x5a5e5b08L, 0x571d7dd1L, 0x53dc6066L,
0x4d9b3063L, 0x495a2dd4L, 0x44190b0dL, 0x40d816baL,
0xaca5c697L, 0xa864db20L, 0xa527fdf9L, 0xa1e6e04eL,
0xbfa1b04bL, 0xbb60adfcL, 0xb6238b25L, 0xb2e29692L,
0x8aad2b2fL, 0x8e6c3698L, 0x832f1041L, 0x87ee0df6L,
0x99a95df3L, 0x9d684044L, 0x902b669dL, 0x94ea7b2aL,
0xe0b41de7L, 0xe4750050L, 0xe9362689L, 0xedf73b3eL,
0xf3b06b3bL, 0xf771768cL, 0xfa325055L, 0xfef34de2L,
0xc6bcf05fL, 0xc27dede8L, 0xcf3ecb31L, 0xcbffd686L,
0xd5b88683L, 0xd1799b34L, 0xdc3abdedL, 0xd8fba05aL,
0x690ce0eeL, 0x6dcdfd59L, 0x608edb80L, 0x644fc637L,
0x7a089632L, 0x7ec98b85L, 0x738aad5cL, 0x774bb0ebL,
0x4f040d56L, 0x4bc510e1L, 0x46863638L, 0x42472b8fL,
0x5c007b8aL, 0x58c1663dL, 0x558240e4L, 0x51435d53L,
0x251d3b9eL, 0x21dc2629L, 0x2c9f00f0L, 0x285e1d47L,
0x36194d42L, 0x32d850f5L, 0x3f9b762cL, 0x3b5a6b9bL,
0x0315d626L, 0x07d4cb91L, 0x0a97ed48L, 0x0e56f0ffL,
0x1011a0faL, 0x14d0bd4dL, 0x19939b94L, 0x1d528623L,
0xf12f560eL, 0xf5ee4bb9L, 0xf8ad6d60L, 0xfc6c70d7L,
0xe22b20d2L, 0xe6ea3d65L, 0xeba91bbcL, 0xef68060bL,
0xd727bbb6L, 0xd3e6a601L, 0xdea580d8L, 0xda649d6fL,
0xc423cd6aL, 0xc0e2d0ddL, 0xcda1f604L, 0xc960ebb3L,
0xbd3e8d7eL, 0xb9ff90c9L, 0xb4bcb610L, 0xb07daba7L,
0xae3afba2L, 0xaafbe615L, 0xa7b8c0ccL, 0xa379dd7bL,
0x9b3660c6L, 0x9ff77d71L, 0x92b45ba8L, 0x9675461fL,
0x8832161aL, 0x8cf30badL, 0x81b02d74L, 0x857130c3L,
0x5d8a9099L, 0x594b8d2eL, 0x5408abf7L, 0x50c9b640L,
0x4e8ee645L, 0x4a4ffbf2L, 0x470cdd2bL, 0x43cdc09cL,
0x7b827d21L, 0x7f436096L, 0x7200464fL, 0x76c15bf8L,
0x68860bfdL, 0x6c47164aL, 0x61043093L, 0x65c52d24L,
0x119b4be9L, 0x155a565eL, 0x18197087L, 0x1cd86d30L,
0x029f3d35L, 0x065e2082L, 0x0b1d065bL, 0x0fdc1becL,
0x3793a651L, 0x3352bbe6L, 0x3e119d3fL, 0x3ad08088L,
0x2497d08dL, 0x2056cd3aL, 0x2d15ebe3L, 0x29d4f654L,
0xc5a92679L, 0xc1683bceL, 0xcc2b1d17L, 0xc8ea00a0L,
0xd6ad50a5L, 0xd26c4d12L, 0xdf2f6bcbL, 0xdbee767cL,
0xe3a1cbc1L, 0xe760d676L, 0xea23f0afL, 0xeee2ed18L,
0xf0a5bd1dL, 0xf464a0aaL, 0xf9278673L, 0xfde69bc4L,
0x89b8fd09L, 0x8d79e0beL, 0x803ac667L, 0x84fbdbd0L,
0x9abc8bd5L, 0x9e7d9662L, 0x933eb0bbL, 0x97ffad0cL,
0xafb010b1L, 0xab710d06L, 0xa6322bdfL, 0xa2f33668L,
0xbcb4666dL, 0xb8757bdaL, 0xb5365d03L, 0xb1f740b4L
};


/*-------------------------------------------------------------*/
/*--- end crctable.c ---*/
/*-------------------------------------------------------------*/
652 Externals/bzip2/decompress.c
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205 Externals/bzip2/huffman.c
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/*-------------------------------------------------------------*/
/*--- Huffman coding low-level stuff ---*/
/*--- huffman.c ---*/
/*-------------------------------------------------------------*/

/* ------------------------------------------------------------------
This file is part of bzip2/libbzip2, a program and library for
lossless, block-sorting data compression.
bzip2/libbzip2 version 1.0.8 of 13 July 2019
Copyright (C) 1996-2019 Julian Seward <jseward@acm.org>
Please read the WARNING, DISCLAIMER and PATENTS sections in the
README file.
This program is released under the terms of the license contained
in the file LICENSE.
------------------------------------------------------------------ */


#include "bzlib_private.h"

/*---------------------------------------------------*/
#define WEIGHTOF(zz0) ((zz0) & 0xffffff00)
#define DEPTHOF(zz1) ((zz1) & 0x000000ff)
#define MYMAX(zz2,zz3) ((zz2) > (zz3) ? (zz2) : (zz3))

#define ADDWEIGHTS(zw1,zw2) \
(WEIGHTOF(zw1)+WEIGHTOF(zw2)) | \
(1 + MYMAX(DEPTHOF(zw1),DEPTHOF(zw2)))

#define UPHEAP(z) \
{ \
Int32 zz, tmp; \
zz = z; tmp = heap[zz]; \
while (weight[tmp] < weight[heap[zz >> 1]]) { \
heap[zz] = heap[zz >> 1]; \
zz >>= 1; \
} \
heap[zz] = tmp; \
}

#define DOWNHEAP(z) \
{ \
Int32 zz, yy, tmp; \
zz = z; tmp = heap[zz]; \
while (True) { \
yy = zz << 1; \
if (yy > nHeap) break; \
if (yy < nHeap && \
weight[heap[yy+1]] < weight[heap[yy]]) \
yy++; \
if (weight[tmp] < weight[heap[yy]]) break; \
heap[zz] = heap[yy]; \
zz = yy; \
} \
heap[zz] = tmp; \
}


/*---------------------------------------------------*/
void BZ2_hbMakeCodeLengths ( UChar *len,
Int32 *freq,
Int32 alphaSize,
Int32 maxLen )
{
/*--
Nodes and heap entries run from 1. Entry 0
for both the heap and nodes is a sentinel.
--*/
Int32 nNodes, nHeap, n1, n2, i, j, k;
Bool tooLong;

Int32 heap [ BZ_MAX_ALPHA_SIZE + 2 ];
Int32 weight [ BZ_MAX_ALPHA_SIZE * 2 ];
Int32 parent [ BZ_MAX_ALPHA_SIZE * 2 ];

for (i = 0; i < alphaSize; i++)
weight[i+1] = (freq[i] == 0 ? 1 : freq[i]) << 8;

while (True) {

nNodes = alphaSize;
nHeap = 0;

heap[0] = 0;
weight[0] = 0;
parent[0] = -2;

for (i = 1; i <= alphaSize; i++) {
parent[i] = -1;
nHeap++;
heap[nHeap] = i;
UPHEAP(nHeap);
}

AssertH( nHeap < (BZ_MAX_ALPHA_SIZE+2), 2001 );

while (nHeap > 1) {
n1 = heap[1]; heap[1] = heap[nHeap]; nHeap--; DOWNHEAP(1);
n2 = heap[1]; heap[1] = heap[nHeap]; nHeap--; DOWNHEAP(1);
nNodes++;
parent[n1] = parent[n2] = nNodes;
weight[nNodes] = ADDWEIGHTS(weight[n1], weight[n2]);
parent[nNodes] = -1;
nHeap++;
heap[nHeap] = nNodes;
UPHEAP(nHeap);
}

AssertH( nNodes < (BZ_MAX_ALPHA_SIZE * 2), 2002 );

tooLong = False;
for (i = 1; i <= alphaSize; i++) {
j = 0;
k = i;
while (parent[k] >= 0) { k = parent[k]; j++; }
len[i-1] = j;
if (j > maxLen) tooLong = True;
}

if (! tooLong) break;

/* 17 Oct 04: keep-going condition for the following loop used
to be 'i < alphaSize', which missed the last element,
theoretically leading to the possibility of the compressor
looping. However, this count-scaling step is only needed if
one of the generated Huffman code words is longer than
maxLen, which up to and including version 1.0.2 was 20 bits,
which is extremely unlikely. In version 1.0.3 maxLen was
changed to 17 bits, which has minimal effect on compression
ratio, but does mean this scaling step is used from time to
time, enough to verify that it works.
This means that bzip2-1.0.3 and later will only produce
Huffman codes with a maximum length of 17 bits. However, in
order to preserve backwards compatibility with bitstreams
produced by versions pre-1.0.3, the decompressor must still
handle lengths of up to 20. */

for (i = 1; i <= alphaSize; i++) {
j = weight[i] >> 8;
j = 1 + (j / 2);
weight[i] = j << 8;
}
}
}


/*---------------------------------------------------*/
void BZ2_hbAssignCodes ( Int32 *code,
UChar *length,
Int32 minLen,
Int32 maxLen,
Int32 alphaSize )
{
Int32 n, vec, i;

vec = 0;
for (n = minLen; n <= maxLen; n++) {
for (i = 0; i < alphaSize; i++)
if (length[i] == n) { code[i] = vec; vec++; };
vec <<= 1;
}
}


/*---------------------------------------------------*/
void BZ2_hbCreateDecodeTables ( Int32 *limit,
Int32 *base,
Int32 *perm,
UChar *length,
Int32 minLen,
Int32 maxLen,
Int32 alphaSize )
{
Int32 pp, i, j, vec;

pp = 0;
for (i = minLen; i <= maxLen; i++)
for (j = 0; j < alphaSize; j++)
if (length[j] == i) { perm[pp] = j; pp++; };

for (i = 0; i < BZ_MAX_CODE_LEN; i++) base[i] = 0;
for (i = 0; i < alphaSize; i++) base[length[i]+1]++;

for (i = 1; i < BZ_MAX_CODE_LEN; i++) base[i] += base[i-1];

for (i = 0; i < BZ_MAX_CODE_LEN; i++) limit[i] = 0;
vec = 0;

for (i = minLen; i <= maxLen; i++) {
vec += (base[i+1] - base[i]);
limit[i] = vec-1;
vec <<= 1;
}
for (i = minLen + 1; i <= maxLen; i++)
base[i] = ((limit[i-1] + 1) << 1) - base[i];
}


/*-------------------------------------------------------------*/
/*--- end huffman.c ---*/
/*-------------------------------------------------------------*/
84 Externals/bzip2/randtable.c
View file
@@ -0,0 +1,84 @@

/*-------------------------------------------------------------*/
/*--- Table for randomising repetitive blocks ---*/
/*--- randtable.c ---*/
/*-------------------------------------------------------------*/

/* ------------------------------------------------------------------
This file is part of bzip2/libbzip2, a program and library for
lossless, block-sorting data compression.
bzip2/libbzip2 version 1.0.8 of 13 July 2019
Copyright (C) 1996-2019 Julian Seward <jseward@acm.org>
Please read the WARNING, DISCLAIMER and PATENTS sections in the
README file.
This program is released under the terms of the license contained
in the file LICENSE.
------------------------------------------------------------------ */


#include "bzlib_private.h"


/*---------------------------------------------*/
Int32 BZ2_rNums[512] = {
619, 720, 127, 481, 931, 816, 813, 233, 566, 247,
985, 724, 205, 454, 863, 491, 741, 242, 949, 214,
733, 859, 335, 708, 621, 574, 73, 654, 730, 472,
419, 436, 278, 496, 867, 210, 399, 680, 480, 51,
878, 465, 811, 169, 869, 675, 611, 697, 867, 561,
862, 687, 507, 283, 482, 129, 807, 591, 733, 623,
150, 238, 59, 379, 684, 877, 625, 169, 643, 105,
170, 607, 520, 932, 727, 476, 693, 425, 174, 647,
73, 122, 335, 530, 442, 853, 695, 249, 445, 515,
909, 545, 703, 919, 874, 474, 882, 500, 594, 612,
641, 801, 220, 162, 819, 984, 589, 513, 495, 799,
161, 604, 958, 533, 221, 400, 386, 867, 600, 782,
382, 596, 414, 171, 516, 375, 682, 485, 911, 276,
98, 553, 163, 354, 666, 933, 424, 341, 533, 870,
227, 730, 475, 186, 263, 647, 537, 686, 600, 224,
469, 68, 770, 919, 190, 373, 294, 822, 808, 206,
184, 943, 795, 384, 383, 461, 404, 758, 839, 887,
715, 67, 618, 276, 204, 918, 873, 777, 604, 560,
951, 160, 578, 722, 79, 804, 96, 409, 713, 940,
652, 934, 970, 447, 318, 353, 859, 672, 112, 785,
645, 863, 803, 350, 139, 93, 354, 99, 820, 908,
609, 772, 154, 274, 580, 184, 79, 626, 630, 742,
653, 282, 762, 623, 680, 81, 927, 626, 789, 125,
411, 521, 938, 300, 821, 78, 343, 175, 128, 250,
170, 774, 972, 275, 999, 639, 495, 78, 352, 126,
857, 956, 358, 619, 580, 124, 737, 594, 701, 612,
669, 112, 134, 694, 363, 992, 809, 743, 168, 974,
944, 375, 748, 52, 600, 747, 642, 182, 862, 81,
344, 805, 988, 739, 511, 655, 814, 334, 249, 515,
897, 955, 664, 981, 649, 113, 974, 459, 893, 228,
433, 837, 553, 268, 926, 240, 102, 654, 459, 51,
686, 754, 806, 760, 493, 403, 415, 394, 687, 700,
946, 670, 656, 610, 738, 392, 760, 799, 887, 653,
978, 321, 576, 617, 626, 502, 894, 679, 243, 440,
680, 879, 194, 572, 640, 724, 926, 56, 204, 700,
707, 151, 457, 449, 797, 195, 791, 558, 945, 679,
297, 59, 87, 824, 713, 663, 412, 693, 342, 606,
134, 108, 571, 364, 631, 212, 174, 643, 304, 329,
343, 97, 430, 751, 497, 314, 983, 374, 822, 928,
140, 206, 73, 263, 980, 736, 876, 478, 430, 305,
170, 514, 364, 692, 829, 82, 855, 953, 676, 246,
369, 970, 294, 750, 807, 827, 150, 790, 288, 923,
804, 378, 215, 828, 592, 281, 565, 555, 710, 82,
896, 831, 547, 261, 524, 462, 293, 465, 502, 56,
661, 821, 976, 991, 658, 869, 905, 758, 745, 193,
768, 550, 608, 933, 378, 286, 215, 979, 792, 961,
61, 688, 793, 644, 986, 403, 106, 366, 905, 644,
372, 567, 466, 434, 645, 210, 389, 550, 919, 135,
780, 773, 635, 389, 707, 100, 626, 958, 165, 504,
920, 176, 193, 713, 857, 265, 203, 50, 668, 108,
645, 990, 626, 197, 510, 357, 358, 850, 858, 364,
936, 638
};


/*-------------------------------------------------------------*/
/*--- end randtable.c ---*/
/*-------------------------------------------------------------*/
226 Externals/liblzma/CMakeLists.txt
View file
@@ -0,0 +1,226 @@
project(lzma C)

include(CheckTypeSize)
include(CheckFunctionExists)
include(CheckIncludeFile)
include(CheckCSourceCompiles)

check_include_file(sys/types.h HAVE_SYS_TYPES_H)
check_include_file(stdint.h HAVE_STDINT_H)
check_include_file(stddef.h HAVE_STDDEF_H)

# Check to see if we have large file support
set(CMAKE_REQUIRED_DEFINITIONS -D_LARGEFILE64_SOURCE=1)
# We add these other definitions here because CheckTypeSize.cmake
# in CMake 2.4.x does not automatically do so and we want
# compatibility with CMake 2.4.x.
if(HAVE_SYS_TYPES_H)
list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_SYS_TYPES_H)
endif()
if(HAVE_STDINT_H)
list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_STDINT_H)
endif()
if(HAVE_STDDEF_H)
list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_STDDEF_H)
endif()
check_type_size(off64_t OFF64_T)
if(HAVE_OFF64_T)
add_definitions(-D_LARGEFILE64_SOURCE=1)
endif()
set(CMAKE_REQUIRED_DEFINITIONS) # clear variable

# Check for fseeko
check_function_exists(fseeko HAVE_FSEEKO)
if(NOT HAVE_FSEEKO)
add_definitions(-DNO_FSEEKO)
endif()

#
# Check for unistd.h
#
check_include_file(unistd.h HAVE_UNISTD_H)
if(HAVE_UNISTD_H)
add_definitions(-DHAVE_UNISTD_H)
endif()


if(MSVC)
add_definitions(-D_CRT_SECURE_NO_DEPRECATE)
add_definitions(-D_CRT_NONSTDC_NO_DEPRECATE)
endif()

add_definitions(-DHAVE_CONFIG_H)
add_definitions(-DLZMA_API_STATIC)

#============================================================================
# lzma
#============================================================================

set(LZMA_PUBLIC_HDRS
api/lzma.h
api/lzma/base.h
api/lzma/bcj.h
api/lzma/block.h
api/lzma/check.h
api/lzma/container.h
api/lzma/delta.h
api/lzma/filter.h
api/lzma/hardware.h
api/lzma/index.h
api/lzma/index_hash.h
api/lzma/lzma12.h
api/lzma/stream_flags.h
api/lzma/version.h
api/lzma/vli.h
)

set(LZMA_SRCS
check/check.c
check/check.h
check/crc32_fast.c
check/crc32_table_be.h
check/crc32_table.c
check/crc32_table_le.h
check/crc64_fast.c
check/crc64_table_be.h
check/crc64_table.c
check/crc64_table_le.h
check/crc_macros.h
check/sha256.c
common/alone_decoder.c
common/alone_decoder.h
common/alone_encoder.c
common/auto_decoder.c
common/block_buffer_decoder.c
common/block_buffer_encoder.c
common/block_buffer_encoder.h
common/block_decoder.c
common/block_decoder.h
common/block_encoder.c
common/block_encoder.h
common/block_header_decoder.c
common/block_header_encoder.c
common/block_util.c
common/common.c
common/common.h
common/easy_buffer_encoder.c
common/easy_decoder_memusage.c
common/easy_encoder.c
common/easy_encoder_memusage.c
common/easy_preset.c
common/easy_preset.h
common/filter_buffer_decoder.c
common/filter_buffer_encoder.c
common/filter_common.c
common/filter_common.h
common/filter_decoder.c
common/filter_decoder.h
common/filter_encoder.c
common/filter_encoder.h
common/filter_flags_decoder.c
common/filter_flags_encoder.c
common/hardware_cputhreads.c
common/hardware_physmem.c
common/index.c
common/index_decoder.c
common/index_encoder.c
common/index_encoder.h
common/index.h
common/index_hash.c
common/memcmplen.h
common/outqueue.c
common/outqueue.h
common/stream_buffer_decoder.c
common/stream_buffer_encoder.c
common/stream_decoder.c
common/stream_decoder.h
common/stream_encoder.c
common/stream_encoder_mt.c
common/stream_flags_common.c
common/stream_flags_common.h
common/stream_flags_decoder.c
common/stream_flags_encoder.c
common/vli_decoder.c
common/vli_encoder.c
common/vli_size.c
delta/delta_common.c
delta/delta_common.h
delta/delta_decoder.c
delta/delta_decoder.h
delta/delta_encoder.c
delta/delta_encoder.h
delta/delta_private.h
lz/lz_decoder.c
lz/lz_decoder.h
lz/lz_encoder.c
lz/lz_encoder.h
lz/lz_encoder_hash.h
lz/lz_encoder_hash_table.h
lz/lz_encoder_mf.c
lzma/fastpos.h
lzma/fastpos_table.c
lzma/lzma2_decoder.c
lzma/lzma2_decoder.h
lzma/lzma2_encoder.c
lzma/lzma2_encoder.h
lzma/lzma_common.h
lzma/lzma_decoder.c
lzma/lzma_decoder.h
lzma/lzma_encoder.c
lzma/lzma_encoder.h
lzma/lzma_encoder_optimum_fast.c
lzma/lzma_encoder_optimum_normal.c
lzma/lzma_encoder_presets.c
lzma/lzma_encoder_private.h
rangecoder/price.h
rangecoder/price_table.c
rangecoder/range_common.h
rangecoder/range_decoder.h
rangecoder/range_encoder.h
simple/simple_coder.c
simple/simple_coder.h
simple/simple_decoder.c
simple/simple_decoder.h
simple/simple_encoder.c
simple/simple_encoder.h
simple/simple_private.h
tuklib/mythread.h
tuklib/sysdefs.h
tuklib/tuklib_common.h
tuklib/tuklib_config.h
tuklib/tuklib_cpucores.c
tuklib/tuklib_cpucores.h
tuklib/tuklib_exit.c
tuklib/tuklib_exit.h
tuklib/tuklib_gettext.h
tuklib/tuklib_integer.h
tuklib/tuklib_mbstr_fw.c
tuklib/tuklib_mbstr.h
tuklib/tuklib_mbstr_width.c
tuklib/tuklib_open_stdxxx.c
tuklib/tuklib_open_stdxxx.h
tuklib/tuklib_physmem.c
tuklib/tuklib_physmem.h
tuklib/tuklib_progname.c
tuklib/tuklib_progname.h
)

add_library(lzma STATIC ${LZMA_SRCS} ${LZMA_PUBLIC_HDRS})
add_library(LibLZMA::LibLZMA ALIAS lzma)

target_compile_definitions(lzma PUBLIC LZMA_API_STATIC)

target_include_directories(lzma
PUBLIC
${CMAKE_CURRENT_SOURCE_DIR}/api
PRIVATE
${CMAKE_CURRENT_SOURCE_DIR}/
${CMAKE_CURRENT_SOURCE_DIR}/check
${CMAKE_CURRENT_SOURCE_DIR}/common
${CMAKE_CURRENT_SOURCE_DIR}/delta
${CMAKE_CURRENT_SOURCE_DIR}/lz
${CMAKE_CURRENT_SOURCE_DIR}/lzma
${CMAKE_CURRENT_SOURCE_DIR}/rangecoder
${CMAKE_CURRENT_SOURCE_DIR}/simple
${CMAKE_CURRENT_SOURCE_DIR}/tuklib
)
65 Externals/liblzma/COPYING
View file
@@ -0,0 +1,65 @@

XZ Utils Licensing
==================

Different licenses apply to different files in this package. Here
is a rough summary of which licenses apply to which parts of this
package (but check the individual files to be sure!):

- liblzma is in the public domain.

- xz, xzdec, and lzmadec command line tools are in the public
domain unless GNU getopt_long had to be compiled and linked
in from the lib directory. The getopt_long code is under
GNU LGPLv2.1+.

- The scripts to grep, diff, and view compressed files have been
adapted from gzip. These scripts and their documentation are
under GNU GPLv2+.

- All the documentation in the doc directory and most of the
XZ Utils specific documentation files in other directories
are in the public domain.

- Translated messages are in the public domain.

- The build system contains public domain files, and files that
are under GNU GPLv2+ or GNU GPLv3+. None of these files end up
in the binaries being built.

- Test files and test code in the tests directory, and debugging
utilities in the debug directory are in the public domain.

- The extra directory may contain public domain files, and files
that are under various free software licenses.

You can do whatever you want with the files that have been put into
the public domain. If you find public domain legally problematic,
take the previous sentence as a license grant. If you still find
the lack of copyright legally problematic, you have too many
lawyers.

As usual, this software is provided "as is", without any warranty.

If you copy significant amounts of public domain code from XZ Utils
into your project, acknowledging this somewhere in your software is
polite (especially if it is proprietary, non-free software), but
naturally it is not legally required. Here is an example of a good
notice to put into "about box" or into documentation:

This software includes code from XZ Utils <https://tukaani.org/xz/>.

The following license texts are included in the following files:
- COPYING.LGPLv2.1: GNU Lesser General Public License version 2.1
- COPYING.GPLv2: GNU General Public License version 2
- COPYING.GPLv3: GNU General Public License version 3

Note that the toolchain (compiler, linker etc.) may add some code
pieces that are copyrighted. Thus, it is possible that e.g. liblzma
binary wouldn't actually be in the public domain in its entirety
even though it contains no copyrighted code from the XZ Utils source
package.

If you have questions, don't hesitate to ask the author(s) for more
information.

5,615 Externals/liblzma/ChangeLog
View file

Large diffs are not rendered by default.

325 Externals/liblzma/api/lzma.h
View file
@@ -0,0 +1,325 @@
/**
* \file api/lzma.h
* \brief The public API of liblzma data compression library
*
* liblzma is a public domain general-purpose data compression library with
* a zlib-like API. The native file format is .xz, but also the old .lzma
* format and raw (no headers) streams are supported. Multiple compression
* algorithms (filters) are supported. Currently LZMA2 is the primary filter.
*
* liblzma is part of XZ Utils <http://tukaani.org/xz/>. XZ Utils includes
* a gzip-like command line tool named xz and some other tools. XZ Utils
* is developed and maintained by Lasse Collin.
*
* Major parts of liblzma are based on Igor Pavlov's public domain LZMA SDK
* <http://7-zip.org/sdk.html>.
*
* The SHA-256 implementation is based on the public domain code found from
* 7-Zip <http://7-zip.org/>, which has a modified version of the public
* domain SHA-256 code found from Crypto++ <http://www.cryptopp.com/>.
* The SHA-256 code in Crypto++ was written by Kevin Springle and Wei Dai.
*/

/*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*/

#ifndef LZMA_H
#define LZMA_H

/*****************************
* Required standard headers *
*****************************/

/*
* liblzma API headers need some standard types and macros. To allow
* including lzma.h without requiring the application to include other
* headers first, lzma.h includes the required standard headers unless
* they already seem to be included already or if LZMA_MANUAL_HEADERS
* has been defined.
*
* Here's what types and macros are needed and from which headers:
* - stddef.h: size_t, NULL
* - stdint.h: uint8_t, uint32_t, uint64_t, UINT32_C(n), uint64_C(n),
* UINT32_MAX, UINT64_MAX
*
* However, inttypes.h is a little more portable than stdint.h, although
* inttypes.h declares some unneeded things compared to plain stdint.h.
*
* The hacks below aren't perfect, specifically they assume that inttypes.h
* exists and that it typedefs at least uint8_t, uint32_t, and uint64_t,
* and that, in case of incomplete inttypes.h, unsigned int is 32-bit.
* If the application already takes care of setting up all the types and
* macros properly (for example by using gnulib's stdint.h or inttypes.h),
* we try to detect that the macros are already defined and don't include
* inttypes.h here again. However, you may define LZMA_MANUAL_HEADERS to
* force this file to never include any system headers.
*
* Some could argue that liblzma API should provide all the required types,
* for example lzma_uint64, LZMA_UINT64_C(n), and LZMA_UINT64_MAX. This was
* seen as an unnecessary mess, since most systems already provide all the
* necessary types and macros in the standard headers.
*
* Note that liblzma API still has lzma_bool, because using stdbool.h would
* break C89 and C++ programs on many systems. sizeof(bool) in C99 isn't
* necessarily the same as sizeof(bool) in C++.
*/

#ifndef LZMA_MANUAL_HEADERS
/*
* I suppose this works portably also in C++. Note that in C++,
* we need to get size_t into the global namespace.
*/
# include <stddef.h>

/*
* Skip inttypes.h if we already have all the required macros. If we
* have the macros, we assume that we have the matching typedefs too.
*/
# if !defined(UINT32_C) || !defined(UINT64_C) \
|| !defined(UINT32_MAX) || !defined(UINT64_MAX)
/*
* MSVC versions older than 2013 have no C99 support, and
* thus they cannot be used to compile liblzma. Using an
* existing liblzma.dll with old MSVC can work though(*),
* but we need to define the required standard integer
* types here in a MSVC-specific way.
*
* (*) If you do this, the existing liblzma.dll probably uses
* a different runtime library than your MSVC-built
* application. Mixing runtimes is generally bad, but
* in this case it should work as long as you avoid
* the few rarely-needed liblzma functions that allocate
* memory and expect the caller to free it using free().
*/
# if defined(_WIN32) && defined(_MSC_VER) && _MSC_VER < 1800
typedef unsigned __int8 uint8_t;
typedef unsigned __int32 uint32_t;
typedef unsigned __int64 uint64_t;
# else
/* Use the standard inttypes.h. */
# ifdef __cplusplus
/*
* C99 sections 7.18.2 and 7.18.4 specify
* that C++ implementations define the limit
* and constant macros only if specifically
* requested. Note that if you want the
* format macros (PRIu64 etc.) too, you need
* to define __STDC_FORMAT_MACROS before
* including lzma.h, since re-including
* inttypes.h with __STDC_FORMAT_MACROS
* defined doesn't necessarily work.
*/
# ifndef __STDC_LIMIT_MACROS
# define __STDC_LIMIT_MACROS 1
# endif
# ifndef __STDC_CONSTANT_MACROS
# define __STDC_CONSTANT_MACROS 1
# endif
# endif

# include <inttypes.h>
# endif

/*
* Some old systems have only the typedefs in inttypes.h, and
* lack all the macros. For those systems, we need a few more
* hacks. We assume that unsigned int is 32-bit and unsigned
* long is either 32-bit or 64-bit. If these hacks aren't
* enough, the application has to setup the types manually
* before including lzma.h.
*/
# ifndef UINT32_C
# if defined(_WIN32) && defined(_MSC_VER)
# define UINT32_C(n) n ## UI32
# else
# define UINT32_C(n) n ## U
# endif
# endif

# ifndef UINT64_C
# if defined(_WIN32) && defined(_MSC_VER)
# define UINT64_C(n) n ## UI64
# else
/* Get ULONG_MAX. */
# include <limits.h>
# if ULONG_MAX == 4294967295UL
# define UINT64_C(n) n ## ULL
# else
# define UINT64_C(n) n ## UL
# endif
# endif
# endif

# ifndef UINT32_MAX
# define UINT32_MAX (UINT32_C(4294967295))
# endif

# ifndef UINT64_MAX
# define UINT64_MAX (UINT64_C(18446744073709551615))
# endif
# endif
#endif /* ifdef LZMA_MANUAL_HEADERS */


/******************
* LZMA_API macro *
******************/

/*
* Some systems require that the functions and function pointers are
* declared specially in the headers. LZMA_API_IMPORT is for importing
* symbols and LZMA_API_CALL is to specify the calling convention.
*
* By default it is assumed that the application will link dynamically
* against liblzma. #define LZMA_API_STATIC in your application if you
* want to link against static liblzma. If you don't care about portability
* to operating systems like Windows, or at least don't care about linking
* against static liblzma on them, don't worry about LZMA_API_STATIC. That
* is, most developers will never need to use LZMA_API_STATIC.
*
* The GCC variants are a special case on Windows (Cygwin and MinGW).
* We rely on GCC doing the right thing with its auto-import feature,
* and thus don't use __declspec(dllimport). This way developers don't
* need to worry about LZMA_API_STATIC. Also the calling convention is
* omitted on Cygwin but not on MinGW.
*/
#ifndef LZMA_API_IMPORT
# if !defined(LZMA_API_STATIC) && defined(_WIN32) && !defined(__GNUC__)
# define LZMA_API_IMPORT __declspec(dllimport)
# else
# define LZMA_API_IMPORT
# endif
#endif

#ifndef LZMA_API_CALL
# if defined(_WIN32) && !defined(__CYGWIN__)
# define LZMA_API_CALL __cdecl
# else
# define LZMA_API_CALL
# endif
#endif

#ifndef LZMA_API
# define LZMA_API(type) LZMA_API_IMPORT type LZMA_API_CALL
#endif


/***********
* nothrow *
***********/

/*
* None of the functions in liblzma may throw an exception. Even
* the functions that use callback functions won't throw exceptions,
* because liblzma would break if a callback function threw an exception.
*/
#ifndef lzma_nothrow
# if defined(__cplusplus)
# if __cplusplus >= 201103L
# define lzma_nothrow noexcept
# else
# define lzma_nothrow throw()
# endif
# elif __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3)
# define lzma_nothrow __attribute__((__nothrow__))
# else
# define lzma_nothrow
# endif
#endif


/********************
* GNU C extensions *
********************/

/*
* GNU C extensions are used conditionally in the public API. It doesn't
* break anything if these are sometimes enabled and sometimes not, only
* affects warnings and optimizations.
*/
#if __GNUC__ >= 3
# ifndef lzma_attribute
# define lzma_attribute(attr) __attribute__(attr)
# endif

/* warn_unused_result was added in GCC 3.4. */
# ifndef lzma_attr_warn_unused_result
# if __GNUC__ == 3 && __GNUC_MINOR__ < 4
# define lzma_attr_warn_unused_result
# endif
# endif

#else
# ifndef lzma_attribute
# define lzma_attribute(attr)
# endif
#endif


#ifndef lzma_attr_pure
# define lzma_attr_pure lzma_attribute((__pure__))
#endif

#ifndef lzma_attr_const
# define lzma_attr_const lzma_attribute((__const__))
#endif

#ifndef lzma_attr_warn_unused_result
# define lzma_attr_warn_unused_result \
lzma_attribute((__warn_unused_result__))
#endif


/**************
* Subheaders *
**************/

#ifdef __cplusplus
extern "C" {
#endif

/*
* Subheaders check that this is defined. It is to prevent including
* them directly from applications.
*/
#define LZMA_H_INTERNAL 1

/* Basic features */
#include "lzma/version.h"
#include "lzma/base.h"
#include "lzma/vli.h"
#include "lzma/check.h"

/* Filters */
#include "lzma/filter.h"
#include "lzma/bcj.h"
#include "lzma/delta.h"
#include "lzma/lzma12.h"

/* Container formats */
#include "lzma/container.h"

/* Advanced features */
#include "lzma/stream_flags.h"
#include "lzma/block.h"
#include "lzma/index.h"
#include "lzma/index_hash.h"

/* Hardware information */
#include "lzma/hardware.h"

/*
* All subheaders included. Undefine LZMA_H_INTERNAL to prevent applications
* re-including the subheaders.
*/
#undef LZMA_H_INTERNAL

#ifdef __cplusplus
}
#endif

#endif /* ifndef LZMA_H */
659 Externals/liblzma/api/lzma/base.h
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90 Externals/liblzma/api/lzma/bcj.h
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/**
* \file lzma/bcj.h
* \brief Branch/Call/Jump conversion filters
*/

/*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*
* See ../lzma.h for information about liblzma as a whole.
*/

#ifndef LZMA_H_INTERNAL
# error Never include this file directly. Use <lzma.h> instead.
#endif


/* Filter IDs for lzma_filter.id */

#define LZMA_FILTER_X86 LZMA_VLI_C(0x04)
/**<
* Filter for x86 binaries
*/

#define LZMA_FILTER_POWERPC LZMA_VLI_C(0x05)
/**<
* Filter for Big endian PowerPC binaries
*/

#define LZMA_FILTER_IA64 LZMA_VLI_C(0x06)
/**<
* Filter for IA-64 (Itanium) binaries.
*/

#define LZMA_FILTER_ARM LZMA_VLI_C(0x07)
/**<
* Filter for ARM binaries.
*/

#define LZMA_FILTER_ARMTHUMB LZMA_VLI_C(0x08)
/**<
* Filter for ARM-Thumb binaries.
*/

#define LZMA_FILTER_SPARC LZMA_VLI_C(0x09)
/**<
* Filter for SPARC binaries.
*/


/**
* \brief Options for BCJ filters
*
* The BCJ filters never change the size of the data. Specifying options
* for them is optional: if pointer to options is NULL, default value is
* used. You probably never need to specify options to BCJ filters, so just
* set the options pointer to NULL and be happy.
*
* If options with non-default values have been specified when encoding,
* the same options must also be specified when decoding.
*
* \note At the moment, none of the BCJ filters support
* LZMA_SYNC_FLUSH. If LZMA_SYNC_FLUSH is specified,
* LZMA_OPTIONS_ERROR will be returned. If there is need,
* partial support for LZMA_SYNC_FLUSH can be added in future.
* Partial means that flushing would be possible only at
* offsets that are multiple of 2, 4, or 16 depending on
* the filter, except x86 which cannot be made to support
* LZMA_SYNC_FLUSH predictably.
*/
typedef struct {
/**
* \brief Start offset for conversions
*
* This setting is useful only when the same filter is used
* _separately_ for multiple sections of the same executable file,
* and the sections contain cross-section branch/call/jump
* instructions. In that case it is beneficial to set the start
* offset of the non-first sections so that the relative addresses
* of the cross-section branch/call/jump instructions will use the
* same absolute addresses as in the first section.
*
* When the pointer to options is NULL, the default value (zero)
* is used.
*/
uint32_t start_offset;

} lzma_options_bcj;
581 Externals/liblzma/api/lzma/block.h
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150 Externals/liblzma/api/lzma/check.h
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/**
* \file lzma/check.h
* \brief Integrity checks
*/

/*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*
* See ../lzma.h for information about liblzma as a whole.
*/

#ifndef LZMA_H_INTERNAL
# error Never include this file directly. Use <lzma.h> instead.
#endif


/**
* \brief Type of the integrity check (Check ID)
*
* The .xz format supports multiple types of checks that are calculated
* from the uncompressed data. They vary in both speed and ability to
* detect errors.
*/
typedef enum {
LZMA_CHECK_NONE = 0,
/**<
* No Check is calculated.
*
* Size of the Check field: 0 bytes
*/

LZMA_CHECK_CRC32 = 1,
/**<
* CRC32 using the polynomial from the IEEE 802.3 standard
*
* Size of the Check field: 4 bytes
*/

LZMA_CHECK_CRC64 = 4,
/**<
* CRC64 using the polynomial from the ECMA-182 standard
*
* Size of the Check field: 8 bytes
*/

LZMA_CHECK_SHA256 = 10
/**<
* SHA-256
*
* Size of the Check field: 32 bytes
*/
} lzma_check;


/**
* \brief Maximum valid Check ID
*
* The .xz file format specification specifies 16 Check IDs (0-15). Some
* of them are only reserved, that is, no actual Check algorithm has been
* assigned. When decoding, liblzma still accepts unknown Check IDs for
* future compatibility. If a valid but unsupported Check ID is detected,
* liblzma can indicate a warning; see the flags LZMA_TELL_NO_CHECK,
* LZMA_TELL_UNSUPPORTED_CHECK, and LZMA_TELL_ANY_CHECK in container.h.
*/
#define LZMA_CHECK_ID_MAX 15


/**
* \brief Test if the given Check ID is supported
*
* Return true if the given Check ID is supported by this liblzma build.
* Otherwise false is returned. It is safe to call this with a value that
* is not in the range [0, 15]; in that case the return value is always false.
*
* You can assume that LZMA_CHECK_NONE and LZMA_CHECK_CRC32 are always
* supported (even if liblzma is built with limited features).
*/
extern LZMA_API(lzma_bool) lzma_check_is_supported(lzma_check check)
lzma_nothrow lzma_attr_const;


/**
* \brief Get the size of the Check field with the given Check ID
*
* Although not all Check IDs have a check algorithm associated, the size of
* every Check is already frozen. This function returns the size (in bytes) of
* the Check field with the specified Check ID. The values are:
* { 0, 4, 4, 4, 8, 8, 8, 16, 16, 16, 32, 32, 32, 64, 64, 64 }
*
* If the argument is not in the range [0, 15], UINT32_MAX is returned.
*/
extern LZMA_API(uint32_t) lzma_check_size(lzma_check check)
lzma_nothrow lzma_attr_const;


/**
* \brief Maximum size of a Check field
*/
#define LZMA_CHECK_SIZE_MAX 64


/**
* \brief Calculate CRC32
*
* Calculate CRC32 using the polynomial from the IEEE 802.3 standard.
*
* \param buf Pointer to the input buffer
* \param size Size of the input buffer
* \param crc Previously returned CRC value. This is used to
* calculate the CRC of a big buffer in smaller chunks.
* Set to zero when starting a new calculation.
*
* \return Updated CRC value, which can be passed to this function
* again to continue CRC calculation.
*/
extern LZMA_API(uint32_t) lzma_crc32(
const uint8_t *buf, size_t size, uint32_t crc)
lzma_nothrow lzma_attr_pure;


/**
* \brief Calculate CRC64
*
* Calculate CRC64 using the polynomial from the ECMA-182 standard.
*
* This function is used similarly to lzma_crc32(). See its documentation.
*/
extern LZMA_API(uint64_t) lzma_crc64(
const uint8_t *buf, size_t size, uint64_t crc)
lzma_nothrow lzma_attr_pure;


/*
* SHA-256 functions are currently not exported to public API.
* Contact Lasse Collin if you think it should be.
*/


/**
* \brief Get the type of the integrity check
*
* This function can be called only immediately after lzma_code() has
* returned LZMA_NO_CHECK, LZMA_UNSUPPORTED_CHECK, or LZMA_GET_CHECK.
* Calling this function in any other situation has undefined behavior.
*/
extern LZMA_API(lzma_check) lzma_get_check(const lzma_stream *strm)
lzma_nothrow;
632 Externals/liblzma/api/lzma/container.h
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77 Externals/liblzma/api/lzma/delta.h
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/**
* \file lzma/delta.h
* \brief Delta filter
*/

/*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*
* See ../lzma.h for information about liblzma as a whole.
*/

#ifndef LZMA_H_INTERNAL
# error Never include this file directly. Use <lzma.h> instead.
#endif


/**
* \brief Filter ID
*
* Filter ID of the Delta filter. This is used as lzma_filter.id.
*/
#define LZMA_FILTER_DELTA LZMA_VLI_C(0x03)


/**
* \brief Type of the delta calculation
*
* Currently only byte-wise delta is supported. Other possible types could
* be, for example, delta of 16/32/64-bit little/big endian integers, but
* these are not currently planned since byte-wise delta is almost as good.
*/
typedef enum {
LZMA_DELTA_TYPE_BYTE
} lzma_delta_type;


/**
* \brief Options for the Delta filter
*
* These options are needed by both encoder and decoder.
*/
typedef struct {
/** For now, this must always be LZMA_DELTA_TYPE_BYTE. */
lzma_delta_type type;

/**
* \brief Delta distance
*
* With the only currently supported type, LZMA_DELTA_TYPE_BYTE,
* the distance is as bytes.
*
* Examples:
* - 16-bit stereo audio: distance = 4 bytes
* - 24-bit RGB image data: distance = 3 bytes
*/
uint32_t dist;
# define LZMA_DELTA_DIST_MIN 1
# define LZMA_DELTA_DIST_MAX 256

/*
* Reserved space to allow possible future extensions without
* breaking the ABI. You should not touch these, because the names
* of these variables may change. These are and will never be used
* when type is LZMA_DELTA_TYPE_BYTE, so it is safe to leave these
* uninitialized.
*/
uint32_t reserved_int1;
uint32_t reserved_int2;
uint32_t reserved_int3;
uint32_t reserved_int4;
void *reserved_ptr1;
void *reserved_ptr2;

} lzma_options_delta;
425 Externals/liblzma/api/lzma/filter.h
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64 Externals/liblzma/api/lzma/hardware.h
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/**
* \file lzma/hardware.h
* \brief Hardware information
*
* Since liblzma can consume a lot of system resources, it also provides
* ways to limit the resource usage. Applications linking against liblzma
* need to do the actual decisions how much resources to let liblzma to use.
* To ease making these decisions, liblzma provides functions to find out
* the relevant capabilities of the underlaying hardware. Currently there
* is only a function to find out the amount of RAM, but in the future there
* will be also a function to detect how many concurrent threads the system
* can run.
*
* \note On some operating systems, these function may temporarily
* load a shared library or open file descriptor(s) to find out
* the requested hardware information. Unless the application
* assumes that specific file descriptors are not touched by
* other threads, this should have no effect on thread safety.
* Possible operations involving file descriptors will restart
* the syscalls if they return EINTR.
*/

/*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*
* See ../lzma.h for information about liblzma as a whole.
*/

#ifndef LZMA_H_INTERNAL
# error Never include this file directly. Use <lzma.h> instead.
#endif


/**
* \brief Get the total amount of physical memory (RAM) in bytes
*
* This function may be useful when determining a reasonable memory
* usage limit for decompressing or how much memory it is OK to use
* for compressing.
*
* \return On success, the total amount of physical memory in bytes
* is returned. If the amount of RAM cannot be determined,
* zero is returned. This can happen if an error occurs
* or if there is no code in liblzma to detect the amount
* of RAM on the specific operating system.
*/
extern LZMA_API(uint64_t) lzma_physmem(void) lzma_nothrow;


/**
* \brief Get the number of processor cores or threads
*
* This function may be useful when determining how many threads to use.
* If the hardware supports more than one thread per CPU core, the number
* of hardware threads is returned if that information is available.
*
* \brief On success, the number of available CPU threads or cores is
* returned. If this information isn't available or an error
* occurs, zero is returned.
*/
extern LZMA_API(uint32_t) lzma_cputhreads(void) lzma_nothrow;
686 Externals/liblzma/api/lzma/index.h
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107 Externals/liblzma/api/lzma/index_hash.h
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/**
* \file lzma/index_hash.h
* \brief Validate Index by using a hash function
*
* Hashing makes it possible to use constant amount of memory to validate
* Index of arbitrary size.
*/

/*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*
* See ../lzma.h for information about liblzma as a whole.
*/

#ifndef LZMA_H_INTERNAL
# error Never include this file directly. Use <lzma.h> instead.
#endif

/**
* \brief Opaque data type to hold the Index hash
*/
typedef struct lzma_index_hash_s lzma_index_hash;


/**
* \brief Allocate and initialize a new lzma_index_hash structure
*
* If index_hash is NULL, a new lzma_index_hash structure is allocated,
* initialized, and a pointer to it returned. If allocation fails, NULL
* is returned.
*
* If index_hash is non-NULL, it is reinitialized and the same pointer
* returned. In this case, return value cannot be NULL or a different
* pointer than the index_hash that was given as an argument.
*/
extern LZMA_API(lzma_index_hash *) lzma_index_hash_init(
lzma_index_hash *index_hash, const lzma_allocator *allocator)
lzma_nothrow lzma_attr_warn_unused_result;


/**
* \brief Deallocate lzma_index_hash structure
*/
extern LZMA_API(void) lzma_index_hash_end(
lzma_index_hash *index_hash, const lzma_allocator *allocator)
lzma_nothrow;


/**
* \brief Add a new Record to an Index hash
*
* \param index Pointer to a lzma_index_hash structure
* \param unpadded_size Unpadded Size of a Block
* \param uncompressed_size Uncompressed Size of a Block
*
* \return - LZMA_OK
* - LZMA_DATA_ERROR: Compressed or uncompressed size of the
* Stream or size of the Index field would grow too big.
* - LZMA_PROG_ERROR: Invalid arguments or this function is being
* used when lzma_index_hash_decode() has already been used.
*/
extern LZMA_API(lzma_ret) lzma_index_hash_append(lzma_index_hash *index_hash,
lzma_vli unpadded_size, lzma_vli uncompressed_size)
lzma_nothrow lzma_attr_warn_unused_result;


/**
* \brief Decode and validate the Index field
*
* After telling the sizes of all Blocks with lzma_index_hash_append(),
* the actual Index field is decoded with this function. Specifically,
* once decoding of the Index field has been started, no more Records
* can be added using lzma_index_hash_append().
*
* This function doesn't use lzma_stream structure to pass the input data.
* Instead, the input buffer is specified using three arguments. This is
* because it matches better the internal APIs of liblzma.
*
* \param index_hash Pointer to a lzma_index_hash structure
* \param in Pointer to the beginning of the input buffer
* \param in_pos in[*in_pos] is the next byte to process
* \param in_size in[in_size] is the first byte not to process
*
* \return - LZMA_OK: So far good, but more input is needed.
* - LZMA_STREAM_END: Index decoded successfully and it matches
* the Records given with lzma_index_hash_append().
* - LZMA_DATA_ERROR: Index is corrupt or doesn't match the
* information given with lzma_index_hash_append().
* - LZMA_BUF_ERROR: Cannot progress because *in_pos >= in_size.
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_index_hash_decode(lzma_index_hash *index_hash,
const uint8_t *in, size_t *in_pos, size_t in_size)
lzma_nothrow lzma_attr_warn_unused_result;


/**
* \brief Get the size of the Index field as bytes
*
* This is needed to verify the Backward Size field in the Stream Footer.
*/
extern LZMA_API(lzma_vli) lzma_index_hash_size(
const lzma_index_hash *index_hash)
lzma_nothrow lzma_attr_pure;
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223 Externals/liblzma/api/lzma/stream_flags.h
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/**
* \file lzma/stream_flags.h
* \brief .xz Stream Header and Stream Footer encoder and decoder
*/

/*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*
* See ../lzma.h for information about liblzma as a whole.
*/

#ifndef LZMA_H_INTERNAL
# error Never include this file directly. Use <lzma.h> instead.
#endif


/**
* \brief Size of Stream Header and Stream Footer
*
* Stream Header and Stream Footer have the same size and they are not
* going to change even if a newer version of the .xz file format is
* developed in future.
*/
#define LZMA_STREAM_HEADER_SIZE 12


/**
* \brief Options for encoding/decoding Stream Header and Stream Footer
*/
typedef struct {
/**
* \brief Stream Flags format version
*
* To prevent API and ABI breakages if new features are needed in
* Stream Header or Stream Footer, a version number is used to
* indicate which fields in this structure are in use. For now,
* version must always be zero. With non-zero version, the
* lzma_stream_header_encode() and lzma_stream_footer_encode()
* will return LZMA_OPTIONS_ERROR.
*
* lzma_stream_header_decode() and lzma_stream_footer_decode()
* will always set this to the lowest value that supports all the
* features indicated by the Stream Flags field. The application
* must check that the version number set by the decoding functions
* is supported by the application. Otherwise it is possible that
* the application will decode the Stream incorrectly.
*/
uint32_t version;

/**
* \brief Backward Size
*
* Backward Size must be a multiple of four bytes. In this Stream
* format version, Backward Size is the size of the Index field.
*
* Backward Size isn't actually part of the Stream Flags field, but
* it is convenient to include in this structure anyway. Backward
* Size is present only in the Stream Footer. There is no need to
* initialize backward_size when encoding Stream Header.
*
* lzma_stream_header_decode() always sets backward_size to
* LZMA_VLI_UNKNOWN so that it is convenient to use
* lzma_stream_flags_compare() when both Stream Header and Stream
* Footer have been decoded.
*/
lzma_vli backward_size;
# define LZMA_BACKWARD_SIZE_MIN 4
# define LZMA_BACKWARD_SIZE_MAX (LZMA_VLI_C(1) << 34)

/**
* \brief Check ID
*
* This indicates the type of the integrity check calculated from
* uncompressed data.
*/
lzma_check check;

/*
* Reserved space to allow possible future extensions without
* breaking the ABI. You should not touch these, because the
* names of these variables may change.
*
* (We will never be able to use all of these since Stream Flags
* is just two bytes plus Backward Size of four bytes. But it's
* nice to have the proper types when they are needed.)
*/
lzma_reserved_enum reserved_enum1;
lzma_reserved_enum reserved_enum2;
lzma_reserved_enum reserved_enum3;
lzma_reserved_enum reserved_enum4;
lzma_bool reserved_bool1;
lzma_bool reserved_bool2;
lzma_bool reserved_bool3;
lzma_bool reserved_bool4;
lzma_bool reserved_bool5;
lzma_bool reserved_bool6;
lzma_bool reserved_bool7;
lzma_bool reserved_bool8;
uint32_t reserved_int1;
uint32_t reserved_int2;

} lzma_stream_flags;


/**
* \brief Encode Stream Header
*
* \param options Stream Header options to be encoded.
* options->backward_size is ignored and doesn't
* need to be initialized.
* \param out Beginning of the output buffer of
* LZMA_STREAM_HEADER_SIZE bytes.
*
* \return - LZMA_OK: Encoding was successful.
* - LZMA_OPTIONS_ERROR: options->version is not supported by
* this liblzma version.
* - LZMA_PROG_ERROR: Invalid options.
*/
extern LZMA_API(lzma_ret) lzma_stream_header_encode(
const lzma_stream_flags *options, uint8_t *out)
lzma_nothrow lzma_attr_warn_unused_result;


/**
* \brief Encode Stream Footer
*
* \param options Stream Footer options to be encoded.
* \param out Beginning of the output buffer of
* LZMA_STREAM_HEADER_SIZE bytes.
*
* \return - LZMA_OK: Encoding was successful.
* - LZMA_OPTIONS_ERROR: options->version is not supported by
* this liblzma version.
* - LZMA_PROG_ERROR: Invalid options.
*/
extern LZMA_API(lzma_ret) lzma_stream_footer_encode(
const lzma_stream_flags *options, uint8_t *out)
lzma_nothrow lzma_attr_warn_unused_result;


/**
* \brief Decode Stream Header
*
* \param options Target for the decoded Stream Header options.
* \param in Beginning of the input buffer of
* LZMA_STREAM_HEADER_SIZE bytes.
*
* options->backward_size is always set to LZMA_VLI_UNKNOWN. This is to
* help comparing Stream Flags from Stream Header and Stream Footer with
* lzma_stream_flags_compare().
*
* \return - LZMA_OK: Decoding was successful.
* - LZMA_FORMAT_ERROR: Magic bytes don't match, thus the given
* buffer cannot be Stream Header.
* - LZMA_DATA_ERROR: CRC32 doesn't match, thus the header
* is corrupt.
* - LZMA_OPTIONS_ERROR: Unsupported options are present
* in the header.
*
* \note When decoding .xz files that contain multiple Streams, it may
* make sense to print "file format not recognized" only if
* decoding of the Stream Header of the _first_ Stream gives
* LZMA_FORMAT_ERROR. If non-first Stream Header gives
* LZMA_FORMAT_ERROR, the message used for LZMA_DATA_ERROR is
* probably more appropriate.
*
* For example, Stream decoder in liblzma uses LZMA_DATA_ERROR if
* LZMA_FORMAT_ERROR is returned by lzma_stream_header_decode()
* when decoding non-first Stream.
*/
extern LZMA_API(lzma_ret) lzma_stream_header_decode(
lzma_stream_flags *options, const uint8_t *in)
lzma_nothrow lzma_attr_warn_unused_result;


/**
* \brief Decode Stream Footer
*
* \param options Target for the decoded Stream Header options.
* \param in Beginning of the input buffer of
* LZMA_STREAM_HEADER_SIZE bytes.
*
* \return - LZMA_OK: Decoding was successful.
* - LZMA_FORMAT_ERROR: Magic bytes don't match, thus the given
* buffer cannot be Stream Footer.
* - LZMA_DATA_ERROR: CRC32 doesn't match, thus the Stream Footer
* is corrupt.
* - LZMA_OPTIONS_ERROR: Unsupported options are present
* in Stream Footer.
*
* \note If Stream Header was already decoded successfully, but
* decoding Stream Footer returns LZMA_FORMAT_ERROR, the
* application should probably report some other error message
* than "file format not recognized", since the file more likely
* is corrupt (possibly truncated). Stream decoder in liblzma
* uses LZMA_DATA_ERROR in this situation.
*/
extern LZMA_API(lzma_ret) lzma_stream_footer_decode(
lzma_stream_flags *options, const uint8_t *in)
lzma_nothrow lzma_attr_warn_unused_result;


/**
* \brief Compare two lzma_stream_flags structures
*
* backward_size values are compared only if both are not
* LZMA_VLI_UNKNOWN.
*
* \return - LZMA_OK: Both are equal. If either had backward_size set
* to LZMA_VLI_UNKNOWN, backward_size values were not
* compared or validated.
* - LZMA_DATA_ERROR: The structures differ.
* - LZMA_OPTIONS_ERROR: version in either structure is greater
* than the maximum supported version (currently zero).
* - LZMA_PROG_ERROR: Invalid value, e.g. invalid check or
* backward_size.
*/
extern LZMA_API(lzma_ret) lzma_stream_flags_compare(
const lzma_stream_flags *a, const lzma_stream_flags *b)
lzma_nothrow lzma_attr_pure;
121 Externals/liblzma/api/lzma/version.h
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/**
* \file lzma/version.h
* \brief Version number
*/

/*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*
* See ../lzma.h for information about liblzma as a whole.
*/

#ifndef LZMA_H_INTERNAL
# error Never include this file directly. Use <lzma.h> instead.
#endif


/*
* Version number split into components
*/
#define LZMA_VERSION_MAJOR 5
#define LZMA_VERSION_MINOR 2
#define LZMA_VERSION_PATCH 4
#define LZMA_VERSION_STABILITY LZMA_VERSION_STABILITY_STABLE

#ifndef LZMA_VERSION_COMMIT
# define LZMA_VERSION_COMMIT ""
#endif


/*
* Map symbolic stability levels to integers.
*/
#define LZMA_VERSION_STABILITY_ALPHA 0
#define LZMA_VERSION_STABILITY_BETA 1
#define LZMA_VERSION_STABILITY_STABLE 2


/**
* \brief Compile-time version number
*
* The version number is of format xyyyzzzs where
* - x = major
* - yyy = minor
* - zzz = revision
* - s indicates stability: 0 = alpha, 1 = beta, 2 = stable
*
* The same xyyyzzz triplet is never reused with different stability levels.
* For example, if 5.1.0alpha has been released, there will never be 5.1.0beta
* or 5.1.0 stable.
*
* \note The version number of liblzma has nothing to with
* the version number of Igor Pavlov's LZMA SDK.
*/
#define LZMA_VERSION (LZMA_VERSION_MAJOR * UINT32_C(10000000) \
+ LZMA_VERSION_MINOR * UINT32_C(10000) \
+ LZMA_VERSION_PATCH * UINT32_C(10) \
+ LZMA_VERSION_STABILITY)


/*
* Macros to construct the compile-time version string
*/
#if LZMA_VERSION_STABILITY == LZMA_VERSION_STABILITY_ALPHA
# define LZMA_VERSION_STABILITY_STRING "alpha"
#elif LZMA_VERSION_STABILITY == LZMA_VERSION_STABILITY_BETA
# define LZMA_VERSION_STABILITY_STRING "beta"
#elif LZMA_VERSION_STABILITY == LZMA_VERSION_STABILITY_STABLE
# define LZMA_VERSION_STABILITY_STRING ""
#else
# error Incorrect LZMA_VERSION_STABILITY
#endif

#define LZMA_VERSION_STRING_C_(major, minor, patch, stability, commit) \
#major "." #minor "." #patch stability commit

#define LZMA_VERSION_STRING_C(major, minor, patch, stability, commit) \
LZMA_VERSION_STRING_C_(major, minor, patch, stability, commit)


/**
* \brief Compile-time version as a string
*
* This can be for example "4.999.5alpha", "4.999.8beta", or "5.0.0" (stable
* versions don't have any "stable" suffix). In future, a snapshot built
* from source code repository may include an additional suffix, for example
* "4.999.8beta-21-g1d92". The commit ID won't be available in numeric form
* in LZMA_VERSION macro.
*/
#define LZMA_VERSION_STRING LZMA_VERSION_STRING_C( \
LZMA_VERSION_MAJOR, LZMA_VERSION_MINOR, \
LZMA_VERSION_PATCH, LZMA_VERSION_STABILITY_STRING, \
LZMA_VERSION_COMMIT)


/* #ifndef is needed for use with windres (MinGW or Cygwin). */
#ifndef LZMA_H_INTERNAL_RC

/**
* \brief Run-time version number as an integer
*
* Return the value of LZMA_VERSION macro at the compile time of liblzma.
* This allows the application to compare if it was built against the same,
* older, or newer version of liblzma that is currently running.
*/
extern LZMA_API(uint32_t) lzma_version_number(void)
lzma_nothrow lzma_attr_const;


/**
* \brief Run-time version as a string
*
* This function may be useful if you want to display which version of
* liblzma your application is currently using.
*/
extern LZMA_API(const char *) lzma_version_string(void)
lzma_nothrow lzma_attr_const;

#endif
166 Externals/liblzma/api/lzma/vli.h
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/**
* \file lzma/vli.h
* \brief Variable-length integer handling
*
* In the .xz format, most integers are encoded in a variable-length
* representation, which is sometimes called little endian base-128 encoding.
* This saves space when smaller values are more likely than bigger values.
*
* The encoding scheme encodes seven bits to every byte, using minimum
* number of bytes required to represent the given value. Encodings that use
* non-minimum number of bytes are invalid, thus every integer has exactly
* one encoded representation. The maximum number of bits in a VLI is 63,
* thus the vli argument must be less than or equal to UINT64_MAX / 2. You
* should use LZMA_VLI_MAX for clarity.
*/

/*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*
* See ../lzma.h for information about liblzma as a whole.
*/

#ifndef LZMA_H_INTERNAL
# error Never include this file directly. Use <lzma.h> instead.
#endif


/**
* \brief Maximum supported value of a variable-length integer
*/
#define LZMA_VLI_MAX (UINT64_MAX / 2)

/**
* \brief VLI value to denote that the value is unknown
*/
#define LZMA_VLI_UNKNOWN UINT64_MAX

/**
* \brief Maximum supported encoded length of variable length integers
*/
#define LZMA_VLI_BYTES_MAX 9

/**
* \brief VLI constant suffix
*/
#define LZMA_VLI_C(n) UINT64_C(n)


/**
* \brief Variable-length integer type
*
* Valid VLI values are in the range [0, LZMA_VLI_MAX]. Unknown value is
* indicated with LZMA_VLI_UNKNOWN, which is the maximum value of the
* underlaying integer type.
*
* lzma_vli will be uint64_t for the foreseeable future. If a bigger size
* is needed in the future, it is guaranteed that 2 * LZMA_VLI_MAX will
* not overflow lzma_vli. This simplifies integer overflow detection.
*/
typedef uint64_t lzma_vli;


/**
* \brief Validate a variable-length integer
*
* This is useful to test that application has given acceptable values
* for example in the uncompressed_size and compressed_size variables.
*
* \return True if the integer is representable as VLI or if it
* indicates unknown value.
*/
#define lzma_vli_is_valid(vli) \
((vli) <= LZMA_VLI_MAX || (vli) == LZMA_VLI_UNKNOWN)


/**
* \brief Encode a variable-length integer
*
* This function has two modes: single-call and multi-call. Single-call mode
* encodes the whole integer at once; it is an error if the output buffer is
* too small. Multi-call mode saves the position in *vli_pos, and thus it is
* possible to continue encoding if the buffer becomes full before the whole
* integer has been encoded.
*
* \param vli Integer to be encoded
* \param vli_pos How many VLI-encoded bytes have already been written
* out. When starting to encode a new integer in
* multi-call mode, *vli_pos must be set to zero.
* To use single-call encoding, set vli_pos to NULL.
* \param out Beginning of the output buffer
* \param out_pos The next byte will be written to out[*out_pos].
* \param out_size Size of the out buffer; the first byte into
* which no data is written to is out[out_size].
*
* \return Slightly different return values are used in multi-call and
* single-call modes.
*
* Single-call (vli_pos == NULL):
* - LZMA_OK: Integer successfully encoded.
* - LZMA_PROG_ERROR: Arguments are not sane. This can be due
* to too little output space; single-call mode doesn't use
* LZMA_BUF_ERROR, since the application should have checked
* the encoded size with lzma_vli_size().
*
* Multi-call (vli_pos != NULL):
* - LZMA_OK: So far all OK, but the integer is not
* completely written out yet.
* - LZMA_STREAM_END: Integer successfully encoded.
* - LZMA_BUF_ERROR: No output space was provided.
* - LZMA_PROG_ERROR: Arguments are not sane.
*/
extern LZMA_API(lzma_ret) lzma_vli_encode(lzma_vli vli, size_t *vli_pos,
uint8_t *out, size_t *out_pos, size_t out_size) lzma_nothrow;


/**
* \brief Decode a variable-length integer
*
* Like lzma_vli_encode(), this function has single-call and multi-call modes.
*
* \param vli Pointer to decoded integer. The decoder will
* initialize it to zero when *vli_pos == 0, so
* application isn't required to initialize *vli.
* \param vli_pos How many bytes have already been decoded. When
* starting to decode a new integer in multi-call
* mode, *vli_pos must be initialized to zero. To
* use single-call decoding, set vli_pos to NULL.
* \param in Beginning of the input buffer
* \param in_pos The next byte will be read from in[*in_pos].
* \param in_size Size of the input buffer; the first byte that
* won't be read is in[in_size].
*
* \return Slightly different return values are used in multi-call and
* single-call modes.
*
* Single-call (vli_pos == NULL):
* - LZMA_OK: Integer successfully decoded.
* - LZMA_DATA_ERROR: Integer is corrupt. This includes hitting
* the end of the input buffer before the whole integer was
* decoded; providing no input at all will use LZMA_DATA_ERROR.
* - LZMA_PROG_ERROR: Arguments are not sane.
*
* Multi-call (vli_pos != NULL):
* - LZMA_OK: So far all OK, but the integer is not
* completely decoded yet.
* - LZMA_STREAM_END: Integer successfully decoded.
* - LZMA_DATA_ERROR: Integer is corrupt.
* - LZMA_BUF_ERROR: No input was provided.
* - LZMA_PROG_ERROR: Arguments are not sane.
*/
extern LZMA_API(lzma_ret) lzma_vli_decode(lzma_vli *vli, size_t *vli_pos,
const uint8_t *in, size_t *in_pos, size_t in_size)
lzma_nothrow;


/**
* \brief Get the number of bytes required to encode a VLI
*
* \return Number of bytes on success (1-9). If vli isn't valid,
* zero is returned.
*/
extern LZMA_API(uint32_t) lzma_vli_size(lzma_vli vli)
lzma_nothrow lzma_attr_pure;
174 Externals/liblzma/check/check.c
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///////////////////////////////////////////////////////////////////////////////
//
/// \file check.c
/// \brief Single API to access different integrity checks
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////

#include "check.h"


extern LZMA_API(lzma_bool)
lzma_check_is_supported(lzma_check type)
{
if ((unsigned int)(type) > LZMA_CHECK_ID_MAX)
return false;

static const lzma_bool available_checks[LZMA_CHECK_ID_MAX + 1] = {
true, // LZMA_CHECK_NONE

#ifdef HAVE_CHECK_CRC32
true,
#else
false,
#endif

false, // Reserved
false, // Reserved

#ifdef HAVE_CHECK_CRC64
true,
#else
false,
#endif

false, // Reserved
false, // Reserved
false, // Reserved
false, // Reserved
false, // Reserved

#ifdef HAVE_CHECK_SHA256
true,
#else
false,
#endif

false, // Reserved
false, // Reserved
false, // Reserved
false, // Reserved
false, // Reserved
};

return available_checks[(unsigned int)(type)];
}


extern LZMA_API(uint32_t)
lzma_check_size(lzma_check type)
{
if ((unsigned int)(type) > LZMA_CHECK_ID_MAX)
return UINT32_MAX;

// See file-format.txt section 2.1.1.2.
static const uint8_t check_sizes[LZMA_CHECK_ID_MAX + 1] = {
0,
4, 4, 4,
8, 8, 8,
16, 16, 16,
32, 32, 32,
64, 64, 64
};

return check_sizes[(unsigned int)(type)];
}


extern void
lzma_check_init(lzma_check_state *check, lzma_check type)
{
switch (type) {
case LZMA_CHECK_NONE:
break;

#ifdef HAVE_CHECK_CRC32
case LZMA_CHECK_CRC32:
check->state.crc32 = 0;
break;
#endif

#ifdef HAVE_CHECK_CRC64
case LZMA_CHECK_CRC64:
check->state.crc64 = 0;
break;
#endif

#ifdef HAVE_CHECK_SHA256
case LZMA_CHECK_SHA256:
lzma_sha256_init(check);
break;
#endif

default:
break;
}

return;
}


extern void
lzma_check_update(lzma_check_state *check, lzma_check type,
const uint8_t *buf, size_t size)
{
switch (type) {
#ifdef HAVE_CHECK_CRC32
case LZMA_CHECK_CRC32:
check->state.crc32 = lzma_crc32(buf, size, check->state.crc32);
break;
#endif

#ifdef HAVE_CHECK_CRC64
case LZMA_CHECK_CRC64:
check->state.crc64 = lzma_crc64(buf, size, check->state.crc64);
break;
#endif

#ifdef HAVE_CHECK_SHA256
case LZMA_CHECK_SHA256:
lzma_sha256_update(buf, size, check);
break;
#endif

default:
break;
}

return;
}


extern void
lzma_check_finish(lzma_check_state *check, lzma_check type)
{
switch (type) {
#ifdef HAVE_CHECK_CRC32
case LZMA_CHECK_CRC32:
check->buffer.u32[0] = conv32le(check->state.crc32);
break;
#endif

#ifdef HAVE_CHECK_CRC64
case LZMA_CHECK_CRC64:
check->buffer.u64[0] = conv64le(check->state.crc64);
break;
#endif

#ifdef HAVE_CHECK_SHA256
case LZMA_CHECK_SHA256:
lzma_sha256_finish(check);
break;
#endif

default:
break;
}

return;
}
172 Externals/liblzma/check/check.h
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///////////////////////////////////////////////////////////////////////////////
//
/// \file check.h
/// \brief Internal API to different integrity check functions
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////

#ifndef LZMA_CHECK_H
#define LZMA_CHECK_H

#include "common.h"

// If the function for external SHA-256 is missing, use the internal SHA-256
// code. Due to how configure works, these defines can only get defined when
// both a usable header and a type have already been found.
#if !(defined(HAVE_CC_SHA256_INIT) \
|| defined(HAVE_SHA256_INIT) \
|| defined(HAVE_SHA256INIT))
# define HAVE_INTERNAL_SHA256 1
#endif

#if defined(HAVE_INTERNAL_SHA256)
// Nothing
#elif defined(HAVE_COMMONCRYPTO_COMMONDIGEST_H)
# include <CommonCrypto/CommonDigest.h>
#elif defined(HAVE_SHA256_H)
# include <sys/types.h>
# include <sha256.h>
#elif defined(HAVE_SHA2_H)
# include <sys/types.h>
# include <sha2.h>
#endif

#if defined(HAVE_INTERNAL_SHA256)
/// State for the internal SHA-256 implementation
typedef struct {
/// Internal state
uint32_t state[8];

/// Size of the message excluding padding
uint64_t size;
} lzma_sha256_state;
#elif defined(HAVE_CC_SHA256_CTX)
typedef CC_SHA256_CTX lzma_sha256_state;
#elif defined(HAVE_SHA256_CTX)
typedef SHA256_CTX lzma_sha256_state;
#elif defined(HAVE_SHA2_CTX)
typedef SHA2_CTX lzma_sha256_state;
#endif

#if defined(HAVE_INTERNAL_SHA256)
// Nothing
#elif defined(HAVE_CC_SHA256_INIT)
# define LZMA_SHA256FUNC(x) CC_SHA256_ ## x
#elif defined(HAVE_SHA256_INIT)
# define LZMA_SHA256FUNC(x) SHA256_ ## x
#elif defined(HAVE_SHA256INIT)
# define LZMA_SHA256FUNC(x) SHA256 ## x
#endif

// Index hashing needs the best possible hash function (preferably
// a cryptographic hash) for maximum reliability.
#if defined(HAVE_CHECK_SHA256)
# define LZMA_CHECK_BEST LZMA_CHECK_SHA256
#elif defined(HAVE_CHECK_CRC64)
# define LZMA_CHECK_BEST LZMA_CHECK_CRC64
#else
# define LZMA_CHECK_BEST LZMA_CHECK_CRC32
#endif


/// \brief Structure to hold internal state of the check being calculated
///
/// \note This is not in the public API because this structure may
/// change in future if new integrity check algorithms are added.
typedef struct {
/// Buffer to hold the final result and a temporary buffer for SHA256.
union {
uint8_t u8[64];
uint32_t u32[16];
uint64_t u64[8];
} buffer;

/// Check-specific data
union {
uint32_t crc32;
uint64_t crc64;
lzma_sha256_state sha256;
} state;

} lzma_check_state;


/// lzma_crc32_table[0] is needed by LZ encoder so we need to keep
/// the array two-dimensional.
#ifdef HAVE_SMALL
extern uint32_t lzma_crc32_table[1][256];
extern void lzma_crc32_init(void);
#else
extern const uint32_t lzma_crc32_table[8][256];
extern const uint64_t lzma_crc64_table[4][256];
#endif


/// \brief Initialize *check depending on type
///
/// \return LZMA_OK on success. LZMA_UNSUPPORTED_CHECK if the type is not
/// supported by the current version or build of liblzma.
/// LZMA_PROG_ERROR if type > LZMA_CHECK_ID_MAX.
extern void lzma_check_init(lzma_check_state *check, lzma_check type);

/// Update the check state
extern void lzma_check_update(lzma_check_state *check, lzma_check type,
const uint8_t *buf, size_t size);

/// Finish the check calculation and store the result to check->buffer.u8.
extern void lzma_check_finish(lzma_check_state *check, lzma_check type);


#ifndef LZMA_SHA256FUNC

/// Prepare SHA-256 state for new input.
extern void lzma_sha256_init(lzma_check_state *check);

/// Update the SHA-256 hash state
extern void lzma_sha256_update(
const uint8_t *buf, size_t size, lzma_check_state *check);

/// Finish the SHA-256 calculation and store the result to check->buffer.u8.
extern void lzma_sha256_finish(lzma_check_state *check);


#else

static inline void
lzma_sha256_init(lzma_check_state *check)
{
LZMA_SHA256FUNC(Init)(&check->state.sha256);
}


static inline void
lzma_sha256_update(const uint8_t *buf, size_t size, lzma_check_state *check)
{
#if defined(HAVE_CC_SHA256_INIT) && SIZE_MAX > UINT32_MAX
// Darwin's CC_SHA256_Update takes uint32_t as the buffer size,
// so use a loop to support size_t.
while (size > UINT32_MAX) {
LZMA_SHA256FUNC(Update)(&check->state.sha256, buf, UINT32_MAX);
buf += UINT32_MAX;
size -= UINT32_MAX;
}
#endif

LZMA_SHA256FUNC(Update)(&check->state.sha256, buf, size);
}


static inline void
lzma_sha256_finish(lzma_check_state *check)
{
LZMA_SHA256FUNC(Final)(check->buffer.u8, &check->state.sha256);
}

#endif

#endif
82 Externals/liblzma/check/crc32_fast.c
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///////////////////////////////////////////////////////////////////////////////
//
/// \file crc32.c
/// \brief CRC32 calculation
///
/// Calculate the CRC32 using the slice-by-eight algorithm.
/// It is explained in this document:
/// http://www.intel.com/technology/comms/perfnet/download/CRC_generators.pdf
/// The code in this file is not the same as in Intel's paper, but
/// the basic principle is identical.
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////

#include "check.h"
#include "crc_macros.h"


// If you make any changes, do some benchmarking! Seemingly unrelated
// changes can very easily ruin the performance (and very probably is
// very compiler dependent).
extern LZMA_API(uint32_t)
lzma_crc32(const uint8_t *buf, size_t size, uint32_t crc)
{
crc = ~crc;

#ifdef WORDS_BIGENDIAN
crc = bswap32(crc);
#endif

if (size > 8) {
// Fix the alignment, if needed. The if statement above
// ensures that this won't read past the end of buf[].
while ((uintptr_t)(buf) & 7) {
crc = lzma_crc32_table[0][*buf++ ^ A(crc)] ^ S8(crc);
--size;
}

// Calculate the position where to stop.
const uint8_t *const limit = buf + (size & ~(size_t)(7));

// Calculate how many bytes must be calculated separately
// before returning the result.
size &= (size_t)(7);

// Calculate the CRC32 using the slice-by-eight algorithm.
while (buf < limit) {
crc ^= *(const uint32_t *)(buf);
buf += 4;

crc = lzma_crc32_table[7][A(crc)]
^ lzma_crc32_table[6][B(crc)]
^ lzma_crc32_table[5][C(crc)]
^ lzma_crc32_table[4][D(crc)];

const uint32_t tmp = *(const uint32_t *)(buf);
buf += 4;

// At least with some compilers, it is critical for
// performance, that the crc variable is XORed
// between the two table-lookup pairs.
crc = lzma_crc32_table[3][A(tmp)]
^ lzma_crc32_table[2][B(tmp)]
^ crc
^ lzma_crc32_table[1][C(tmp)]
^ lzma_crc32_table[0][D(tmp)];
}
}

while (size-- != 0)
crc = lzma_crc32_table[0][*buf++ ^ A(crc)] ^ S8(crc);

#ifdef WORDS_BIGENDIAN
crc = bswap32(crc);
#endif

return ~crc;
}
19 Externals/liblzma/check/crc32_table.c
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///////////////////////////////////////////////////////////////////////////////
//
/// \file crc32_table.c
/// \brief Precalculated CRC32 table with correct endianness
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////

#include "common.h"

#ifdef WORDS_BIGENDIAN
# include "crc32_table_be.h"
#else
# include "crc32_table_le.h"
#endif