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author	nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>	2004-10-29 08:43:10 +0000
committer	nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>	2004-10-29 08:43:10 +0000
commit	0b04050c0de50dba8e9f99f1f74237131f0d6ee9 (patch)
tree	427a5f3960db7c05c05259033f8978a9ccda9d1f /ext/Win32API/lib
parent	dd806990b9a17ae7b7ecbb3269aada76c7efa4d6 (diff)

* CR stripped.

git-svn-id: http://svn.ruby-lang.org/repos/ruby/branches/ruby_1_8@7137 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

Diffstat (limited to 'ext/Win32API/lib')

0 files changed, 0 insertions, 0 deletions

/* SPDX-License-Identifier: (GPL-2.0 or BSD-2-Clause) */ /* * Huffman coder, part of New Generation Entropy library * header file * Copyright (C) 2013-2016, Yann Collet. * * You can contact the author at : * - Source repository : https://github.com/Cyan4973/FiniteStateEntropy */ #ifndef HUF_H_298734234 #define HUF_H_298734234 /* *** Dependencies *** */ #include <linux/types.h> /* size_t */ /* *** Tool functions *** */ #define HUF_BLOCKSIZE_MAX (128 * 1024) /**< maximum input size for a single block compressed with HUF_compress */ size_t HUF_compressBound(size_t size); /**< maximum compressed size (worst case) */ /* Error Management */ unsigned HUF_isError(size_t code); /**< tells if a return value is an error code */ /* *** Advanced function *** */ /** HUF_compress4X_wksp() : * Same as HUF_compress2(), but uses externally allocated `workSpace`, which must be a table of >= 1024 unsigned */ size_t HUF_compress4X_wksp(void *dst, size_t dstSize, const void *src, size_t srcSize, unsigned maxSymbolValue, unsigned tableLog, void *workSpace, size_t wkspSize); /**< `workSpace` must be a table of at least HUF_COMPRESS_WORKSPACE_SIZE_U32 unsigned */ /* *** Dependencies *** */ #include "mem.h" /* U32 */ /* *** Constants *** */ #define HUF_TABLELOG_MAX 12 /* max configured tableLog (for static allocation); can be modified up to HUF_ABSOLUTEMAX_TABLELOG */ #define HUF_TABLELOG_DEFAULT 11 /* tableLog by default, when not specified */ #define HUF_SYMBOLVALUE_MAX 255 #define HUF_TABLELOG_ABSOLUTEMAX 15 /* absolute limit of HUF_MAX_TABLELOG. Beyond that value, code does not work */ #if (HUF_TABLELOG_MAX > HUF_TABLELOG_ABSOLUTEMAX) #error "HUF_TABLELOG_MAX is too large !" #endif /* **************************************** * Static allocation ******************************************/ /* HUF buffer bounds */ #define HUF_CTABLEBOUND 129 #define HUF_BLOCKBOUND(size) (size + (size >> 8) + 8) /* only true if incompressible pre-filtered with fast heuristic */ #define HUF_COMPRESSBOUND(size) (HUF_CTABLEBOUND + HUF_BLOCKBOUND(size)) /* Macro version, useful for static allocation */ /* static allocation of HUF's Compression Table */ #define HUF_CREATE_STATIC_CTABLE(name, maxSymbolValue) \ U32 name##hb[maxSymbolValue + 1]; \ void *name##hv = &(name##hb); \ HUF_CElt *name = (HUF_CElt *)(name##hv) /* no final ; */ /* static allocation of HUF's DTable */ typedef U32 HUF_DTable; #define HUF_DTABLE_SIZE(maxTableLog) (1 + (1 << (maxTableLog))) #define HUF_CREATE_STATIC_DTABLEX2(DTable, maxTableLog) HUF_DTable DTable[HUF_DTABLE_SIZE((maxTableLog)-1)] = {((U32)((maxTableLog)-1) * 0x01000001)} #define HUF_CREATE_STATIC_DTABLEX4(DTable, maxTableLog) HUF_DTable DTable[HUF_DTABLE_SIZE(maxTableLog)] = {((U32)(maxTableLog)*0x01000001)} /* The workspace must have alignment at least 4 and be at least this large */ #define HUF_COMPRESS_WORKSPACE_SIZE (6 << 10) #define HUF_COMPRESS_WORKSPACE_SIZE_U32 (HUF_COMPRESS_WORKSPACE_SIZE / sizeof(U32)) /* The workspace must have alignment at least 4 and be at least this large */ #define HUF_DECOMPRESS_WORKSPACE_SIZE (3 << 10) #define HUF_DECOMPRESS_WORKSPACE_SIZE_U32 (HUF_DECOMPRESS_WORKSPACE_SIZE / sizeof(U32)) /* **************************************** * Advanced decompression functions ******************************************/ size_t HUF_decompress4X_DCtx_wksp(HUF_DTable *dctx, void *dst, size_t dstSize, const void *cSrc, size_t cSrcSize, void *workspace, size_t workspaceSize); /**< decodes RLE and uncompressed */ size_t HUF_decompress4X_hufOnly_wksp(HUF_DTable *dctx, void *dst, size_t dstSize, const void *cSrc, size_t cSrcSize, void *workspace, size_t workspaceSize); /**< considers RLE and uncompressed as errors */ size_t HUF_decompress4X2_DCtx_wksp(HUF_DTable *dctx, void *dst, size_t dstSize, const void *cSrc, size_t cSrcSize, void *workspace, size_t workspaceSize); /**< single-symbol decoder */ size_t HUF_decompress4X4_DCtx_wksp(HUF_DTable *dctx, void *dst, size_t dstSize, const void *cSrc, size_t cSrcSize, void *workspace, size_t workspaceSize); /**< double-symbols decoder */ /* **************************************** * HUF detailed API


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