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Compress-Zstd

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ext/zstd/build/VS2010/datagen/datagen.vcxproj view on Meta::CPAN

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ext/zstd/build/VS2010/fullbench-dll/fullbench-dll.vcxproj view on Meta::CPAN

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ext/zstd/build/VS2010/fullbench/fullbench.vcxproj view on Meta::CPAN

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ext/zstd/build/VS2010/fuzzer/fuzzer.vcxproj view on Meta::CPAN

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ext/zstd/build/VS2010/libzstd-dll/libzstd-dll.vcxproj view on Meta::CPAN

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    <TargetName>libzstd</TargetName>
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ext/zstd/build/VS2010/libzstd/libzstd.vcxproj view on Meta::CPAN

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ext/zstd/build/VS2010/zstd/zstd.vcxproj view on Meta::CPAN

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ext/zstd/contrib/adaptive-compression/datagencli.c view on Meta::CPAN

#define KB *(1 <<10)
#define MB *(1 <<20)
#define GB *(1U<<30)

#define SIZE_DEFAULT ((64 KB) + 1)
#define SEED_DEFAULT 0
#define COMPRESSIBILITY_DEFAULT 50


/*-************************************
*  Macros
**************************************/
#define DISPLAY(...)         fprintf(stderr, __VA_ARGS__)
#define DISPLAYLEVEL(l, ...) if (displayLevel>=l) { DISPLAY(__VA_ARGS__); }
static unsigned displayLevel = 2;


/*-*******************************************************
*  Command line
*********************************************************/
static int usage(const char* programName)

ext/zstd/contrib/largeNbDicts/largeNbDicts.c view on Meta::CPAN


#define BENCH_TIME_DEFAULT_S   6
#define RUN_TIME_DEFAULT_MS    1000
#define BENCH_TIME_DEFAULT_MS (BENCH_TIME_DEFAULT_S * RUN_TIME_DEFAULT_MS)

#define DISPLAY_LEVEL_DEFAULT 3

#define BENCH_SIZE_MAX (1200 MB)


/*---  Macros  ---*/

#define CONTROL(c)   { if (!(c)) abort(); }
#undef MIN
#define MIN(a,b)     ((a) < (b) ? (a) : (b))


/*---  Display Macros  ---*/

#define DISPLAY(...)         fprintf(stdout, __VA_ARGS__)
#define DISPLAYLEVEL(l, ...) { if (g_displayLevel>=l) { DISPLAY(__VA_ARGS__); } }
static int g_displayLevel = DISPLAY_LEVEL_DEFAULT;   /* 0 : no display,  1: errors,  2 : + result + interaction + warnings,  3 : + progression,  4 : + information */


/*---  buffer_t  ---*/

typedef struct {
    void* ptr;

ext/zstd/contrib/linux-kernel/0001-lib-Add-xxhash-module.patch view on Meta::CPAN

+
+#include <asm/unaligned.h>
+#include <linux/errno.h>
+#include <linux/compiler.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/string.h>
+#include <linux/xxhash.h>
+
+/*-*************************************
+ * Macros
+ **************************************/
+#define xxh_rotl32(x, r) ((x << r) | (x >> (32 - r)))
+#define xxh_rotl64(x, r) ((x << r) | (x >> (64 - r)))
+
+#ifdef __LITTLE_ENDIAN
+# define XXH_CPU_LITTLE_ENDIAN 1
+#else
+# define XXH_CPU_LITTLE_ENDIAN 0
+#endif
+

ext/zstd/contrib/linux-kernel/0002-lib-Add-zstd-modules.patch view on Meta::CPAN

+#include "huf.h"
+#include "mem.h" /* low level memory routines */
+#include "zstd_internal.h"
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/string.h> /* memcpy, memmove, memset */
+
+#define ZSTD_PREFETCH(ptr) __builtin_prefetch(ptr, 0, 0)
+
+/*-*************************************
+*  Macros
+***************************************/
+#define ZSTD_isError ERR_isError /* for inlining */
+#define FSE_isError ERR_isError
+#define HUF_isError ERR_isError
+
+/*_*******************************************************
+*  Memory operations
+**********************************************************/
+static void ZSTD_copy4(void *dst, const void *src) { memcpy(dst, src, 4); }
+

ext/zstd/contrib/linux-kernel/0002-lib-Add-zstd-modules.patch view on Meta::CPAN

+
+/* *** Dependency *** */
+#include "bitstream.h"
+
+/* *****************************************
+*  Static allocation
+*******************************************/
+/* FSE buffer bounds */
+#define FSE_NCOUNTBOUND 512
+#define FSE_BLOCKBOUND(size) (size + (size >> 7))
+#define FSE_COMPRESSBOUND(size) (FSE_NCOUNTBOUND + FSE_BLOCKBOUND(size)) /* Macro version, useful for static allocation */
+
+/* It is possible to statically allocate FSE CTable/DTable as a table of FSE_CTable/FSE_DTable using below macros */
+#define FSE_CTABLE_SIZE_U32(maxTableLog, maxSymbolValue) (1 + (1 << (maxTableLog - 1)) + ((maxSymbolValue + 1) * 2))
+#define FSE_DTABLE_SIZE_U32(maxTableLog) (1 + (1 << maxTableLog))
+
+/* *****************************************
+*  FSE advanced API
+*******************************************/
+/* FSE_count_wksp() :
+ * Same as FSE_count(), but using an externally provided scratch buffer.

ext/zstd/contrib/linux-kernel/0002-lib-Add-zstd-modules.patch view on Meta::CPAN

+#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)))

ext/zstd/contrib/linux-kernel/lib/xxhash.c view on Meta::CPAN


#include <asm/unaligned.h>
#include <linux/errno.h>
#include <linux/compiler.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/string.h>
#include <linux/xxhash.h>

/*-*************************************
 * Macros
 **************************************/
#define xxh_rotl32(x, r) ((x << r) | (x >> (32 - r)))
#define xxh_rotl64(x, r) ((x << r) | (x >> (64 - r)))

#ifdef __LITTLE_ENDIAN
# define XXH_CPU_LITTLE_ENDIAN 1
#else
# define XXH_CPU_LITTLE_ENDIAN 0
#endif

ext/zstd/contrib/linux-kernel/lib/zstd/decompress.c view on Meta::CPAN

#include "huf.h"
#include "mem.h" /* low level memory routines */
#include "zstd_internal.h"
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/string.h> /* memcpy, memmove, memset */

#define ZSTD_PREFETCH(ptr) __builtin_prefetch(ptr, 0, 0)

/*-*************************************
*  Macros
***************************************/
#define ZSTD_isError ERR_isError /* for inlining */
#define FSE_isError ERR_isError
#define HUF_isError ERR_isError

/*_*******************************************************
*  Memory operations
**********************************************************/
static void ZSTD_copy4(void *dst, const void *src) { memcpy(dst, src, 4); }

ext/zstd/contrib/linux-kernel/lib/zstd/fse.h view on Meta::CPAN


/* *** Dependency *** */
#include "bitstream.h"

/* *****************************************
*  Static allocation
*******************************************/
/* FSE buffer bounds */
#define FSE_NCOUNTBOUND 512
#define FSE_BLOCKBOUND(size) (size + (size >> 7))
#define FSE_COMPRESSBOUND(size) (FSE_NCOUNTBOUND + FSE_BLOCKBOUND(size)) /* Macro version, useful for static allocation */

/* It is possible to statically allocate FSE CTable/DTable as a table of FSE_CTable/FSE_DTable using below macros */
#define FSE_CTABLE_SIZE_U32(maxTableLog, maxSymbolValue) (1 + (1 << (maxTableLog - 1)) + ((maxSymbolValue + 1) * 2))
#define FSE_DTABLE_SIZE_U32(maxTableLog) (1 + (1 << maxTableLog))

/* *****************************************
*  FSE advanced API
*******************************************/
/* FSE_count_wksp() :
 * Same as FSE_count(), but using an externally provided scratch buffer.

ext/zstd/contrib/linux-kernel/lib/zstd/huf.h view on Meta::CPAN

#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)))

ext/zstd/contrib/linux-kernel/test/DecompressCrash.c view on Meta::CPAN


/*===========================================
*   Dependencies
*==========================================*/
#include <stddef.h>     /* size_t */
#include <stdlib.h>     /* malloc, free, exit */
#include <stdio.h>      /* fprintf */
#include <linux/zstd.h>

/*===========================================
*   Macros
*==========================================*/
#define MIN(a,b)  ( (a) < (b) ? (a) : (b) )

static ZSTD_DCtx *dctx = NULL;
void *dws = NULL;
static void* rBuff = NULL;
static size_t buffSize = 0;

static void crash(int errorCode){
    /* abort if AFL/libfuzzer, exit otherwise */

ext/zstd/contrib/linux-kernel/test/RoundTripCrash.c view on Meta::CPAN

/*===========================================
*   Dependencies
*==========================================*/
#include <stddef.h>     /* size_t */
#include <stdlib.h>     /* malloc, free, exit */
#include <stdio.h>      /* fprintf */
#include <linux/xxhash.h>
#include <linux/zstd.h>

/*===========================================
*   Macros
*==========================================*/
#define MIN(a,b)  ( (a) < (b) ? (a) : (b) )

static const int kMaxClevel = 22;

static ZSTD_CCtx *cctx = NULL;
void *cws = NULL;
static ZSTD_DCtx *dctx = NULL;
void *dws = NULL;
static void* cBuff = NULL;

ext/zstd/lib/common/fse.h view on Meta::CPAN

/* *** Dependency *** */
#include "bitstream.h"


/* *****************************************
*  Static allocation
*******************************************/
/* FSE buffer bounds */
#define FSE_NCOUNTBOUND 512
#define FSE_BLOCKBOUND(size) (size + (size>>7))
#define FSE_COMPRESSBOUND(size) (FSE_NCOUNTBOUND + FSE_BLOCKBOUND(size))   /* Macro version, useful for static allocation */

/* It is possible to statically allocate FSE CTable/DTable as a table of FSE_CTable/FSE_DTable using below macros */
#define FSE_CTABLE_SIZE_U32(maxTableLog, maxSymbolValue)   (1 + (1<<(maxTableLog-1)) + ((maxSymbolValue+1)*2))
#define FSE_DTABLE_SIZE_U32(maxTableLog)                   (1 + (1<<maxTableLog))

/* or use the size to malloc() space directly. Pay attention to alignment restrictions though */
#define FSE_CTABLE_SIZE(maxTableLog, maxSymbolValue)   (FSE_CTABLE_SIZE_U32(maxTableLog, maxSymbolValue) * sizeof(FSE_CTable))
#define FSE_DTABLE_SIZE(maxTableLog)                   (FSE_DTABLE_SIZE_U32(maxTableLog) * sizeof(FSE_DTable))

ext/zstd/lib/common/huf.h view on Meta::CPAN

#  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 when incompressible is 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_CTABLE_SIZE_U32(maxSymbolValue)   ((maxSymbolValue)+1)   /* Use tables of U32, for proper alignment */
#define HUF_CTABLE_SIZE(maxSymbolValue)       (HUF_CTABLE_SIZE_U32(maxSymbolValue) * sizeof(U32))
#define HUF_CREATE_STATIC_CTABLE(name, maxSymbolValue) \
    U32 name##hb[HUF_CTABLE_SIZE_U32(maxSymbolValue)]; \
    void* name##hv = &(name##hb); \
    HUF_CElt* name = (HUF_CElt*)(name##hv)   /* no final ; */

/* static allocation of HUF's DTable */

ext/zstd/lib/common/xxhash.c view on Meta::CPAN

{
    U64 val;
    memcpy(&val, memPtr, sizeof(val));
    return val;
}

#endif   /* XXH_FORCE_DIRECT_MEMORY_ACCESS */


/* ****************************************
*  Compiler-specific Functions and Macros
******************************************/
#define GCC_VERSION (__GNUC__ * 100 + __GNUC_MINOR__)

/* Note : although _rotl exists for minGW (GCC under windows), performance seems poor */
#if defined(_MSC_VER)
#  define XXH_rotl32(x,r) _rotl(x,r)
#  define XXH_rotl64(x,r) _rotl64(x,r)
#else
#if defined(__ICCARM__)
#  include <intrinsics.h>

ext/zstd/lib/common/xxhash.c view on Meta::CPAN

            ((x << 8)  & 0x000000ff00000000ULL) |
            ((x >> 8)  & 0x00000000ff000000ULL) |
            ((x >> 24) & 0x0000000000ff0000ULL) |
            ((x >> 40) & 0x000000000000ff00ULL) |
            ((x >> 56) & 0x00000000000000ffULL);
}
#endif


/* *************************************
*  Architecture Macros
***************************************/
typedef enum { XXH_bigEndian=0, XXH_littleEndian=1 } XXH_endianess;

/* XXH_CPU_LITTLE_ENDIAN can be defined externally, for example on the compiler command line */
#ifndef XXH_CPU_LITTLE_ENDIAN
    static const int g_one = 1;
#   define XXH_CPU_LITTLE_ENDIAN   (*(const char*)(&g_one))
#endif

ext/zstd/lib/common/xxhash.c view on Meta::CPAN

    return XXH_readLE64_align(ptr, endian, XXH_unaligned);
}

static U64 XXH_readBE64(const void* ptr)
{
    return XXH_CPU_LITTLE_ENDIAN ? XXH_swap64(XXH_read64(ptr)) : XXH_read64(ptr);
}


/* *************************************
*  Macros
***************************************/
#define XXH_STATIC_ASSERT(c)   { enum { XXH_static_assert = 1/(int)(!!(c)) }; }    /* use only *after* variable declarations */


/* *************************************
*  Constants
***************************************/
static const U32 PRIME32_1 = 2654435761U;
static const U32 PRIME32_2 = 2246822519U;
static const U32 PRIME32_3 = 3266489917U;

ext/zstd/lib/decompress/huf_decompress.c view on Meta::CPAN

****************************************************************/
#include <string.h>     /* memcpy, memset */
#include "compiler.h"
#include "bitstream.h"  /* BIT_* */
#include "fse.h"        /* to compress headers */
#define HUF_STATIC_LINKING_ONLY
#include "huf.h"
#include "error_private.h"

/* **************************************************************
*  Macros
****************************************************************/

/* These two optional macros force the use one way or another of the two
 * Huffman decompression implementations. You can't force in both directions
 * at the same time.
 */
#if defined(HUF_FORCE_DECOMPRESS_X1) && \
    defined(HUF_FORCE_DECOMPRESS_X2)
#error "Cannot force the use of the X1 and X2 decoders at the same time!"
#endif

ext/zstd/lib/decompress/zstd_decompress_block.c view on Meta::CPAN

#define FSE_STATIC_LINKING_ONLY
#include "fse.h"
#define HUF_STATIC_LINKING_ONLY
#include "huf.h"
#include "zstd_internal.h"
#include "zstd_decompress_internal.h"   /* ZSTD_DCtx */
#include "zstd_ddict.h"  /* ZSTD_DDictDictContent */
#include "zstd_decompress_block.h"

/*_*******************************************************
*  Macros
**********************************************************/

/* These two optional macros force the use one way or another of the two
 * ZSTD_decompressSequences implementations. You can't force in both directions
 * at the same time.
 */
#if defined(ZSTD_FORCE_DECOMPRESS_SEQUENCES_SHORT) && \
    defined(ZSTD_FORCE_DECOMPRESS_SEQUENCES_LONG)
#error "Cannot force the use of the short and the long ZSTD_decompressSequences variants!"
#endif

ext/zstd/lib/dictBuilder/divsufsort.c view on Meta::CPAN

#elif SS_BLOCKSIZE <= 4096
# define SS_MISORT_STACKSIZE (16)
#else
# define SS_MISORT_STACKSIZE (24)
#endif
#define SS_SMERGE_STACKSIZE (32)
#define TR_INSERTIONSORT_THRESHOLD (8)
#define TR_STACKSIZE (64)


/*- Macros -*/
#ifndef SWAP
# define SWAP(_a, _b) do { t = (_a); (_a) = (_b); (_b) = t; } while(0)
#endif /* SWAP */
#ifndef MIN
# define MIN(_a, _b) (((_a) < (_b)) ? (_a) : (_b))
#endif /* MIN */
#ifndef MAX
# define MAX(_a, _b) (((_a) > (_b)) ? (_a) : (_b))
#endif /* MAX */
#define STACK_PUSH(_a, _b, _c, _d)\

ext/zstd/lib/dll/example/fullbench-dll.vcxproj view on Meta::CPAN

  </ImportGroup>
  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="PropertySheets">
    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
  </ImportGroup>
  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
  </ImportGroup>
  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="PropertySheets">
    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
  </ImportGroup>
  <PropertyGroup Label="UserMacros" />
  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
    <LinkIncremental>true</LinkIncremental>
    <IncludePath>$(IncludePath);$(SolutionDir)..\..\lib;$(SolutionDir)..\..\programs;$(SolutionDir)..\..\lib\legacy;$(SolutionDir)..\..\lib\common;$(UniversalCRT_IncludePath);</IncludePath>
    <RunCodeAnalysis>false</RunCodeAnalysis>
  </PropertyGroup>
  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
    <LinkIncremental>true</LinkIncremental>
    <IncludePath>$(IncludePath);$(SolutionDir)..\..\lib;$(SolutionDir)..\..\programs;$(SolutionDir)..\..\lib\legacy;$(SolutionDir)..\..\lib\common;$(UniversalCRT_IncludePath);</IncludePath>
    <RunCodeAnalysis>false</RunCodeAnalysis>
  </PropertyGroup>

ext/zstd/lib/legacy/zstd_v02.c view on Meta::CPAN

extern "C" {
#endif


/******************************************
*  Static allocation
******************************************/
/* FSE buffer bounds */
#define FSE_NCOUNTBOUND 512
#define FSE_BLOCKBOUND(size) (size + (size>>7))
#define FSE_COMPRESSBOUND(size) (FSE_NCOUNTBOUND + FSE_BLOCKBOUND(size))   /* Macro version, useful for static allocation */

/* You can statically allocate FSE CTable/DTable as a table of unsigned using below macro */
#define FSE_CTABLE_SIZE_U32(maxTableLog, maxSymbolValue)   (1 + (1<<(maxTableLog-1)) + ((maxSymbolValue+1)*2))
#define FSE_DTABLE_SIZE_U32(maxTableLog)                   (1 + (1<<maxTableLog))


/******************************************
*  FSE advanced API
******************************************/
static size_t FSE_buildDTable_raw (FSE_DTable* dt, unsigned nbBits);

ext/zstd/lib/legacy/zstd_v02.c view on Meta::CPAN

#if defined (__cplusplus)
extern "C" {
#endif

/******************************************
*  Static allocation macros
******************************************/
/* Huff0 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 Huff0's DTable */
#define HUF_DTABLE_SIZE(maxTableLog)   (1 + (1<<maxTableLog))  /* nb Cells; use unsigned short for X2, unsigned int for X4 */
#define HUF_CREATE_STATIC_DTABLEX2(DTable, maxTableLog) \
        unsigned short DTable[HUF_DTABLE_SIZE(maxTableLog)] = { maxTableLog }
#define HUF_CREATE_STATIC_DTABLEX4(DTable, maxTableLog) \
        unsigned int DTable[HUF_DTABLE_SIZE(maxTableLog)] = { maxTableLog }
#define HUF_CREATE_STATIC_DTABLEX6(DTable, maxTableLog) \
        unsigned int DTable[HUF_DTABLE_SIZE(maxTableLog) * 3 / 2] = { maxTableLog }

ext/zstd/lib/legacy/zstd_v03.c view on Meta::CPAN

extern "C" {
#endif


/******************************************
*  Static allocation
******************************************/
/* FSE buffer bounds */
#define FSE_NCOUNTBOUND 512
#define FSE_BLOCKBOUND(size) (size + (size>>7))
#define FSE_COMPRESSBOUND(size) (FSE_NCOUNTBOUND + FSE_BLOCKBOUND(size))   /* Macro version, useful for static allocation */

/* You can statically allocate FSE CTable/DTable as a table of unsigned using below macro */
#define FSE_CTABLE_SIZE_U32(maxTableLog, maxSymbolValue)   (1 + (1<<(maxTableLog-1)) + ((maxSymbolValue+1)*2))
#define FSE_DTABLE_SIZE_U32(maxTableLog)                   (1 + (1<<maxTableLog))


/******************************************
*  FSE advanced API
******************************************/
static size_t FSE_buildDTable_raw (FSE_DTable* dt, unsigned nbBits);

ext/zstd/lib/legacy/zstd_v03.c view on Meta::CPAN

#if defined (__cplusplus)
extern "C" {
#endif

/******************************************
*  Static allocation macros
******************************************/
/* Huff0 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 Huff0's DTable */
#define HUF_DTABLE_SIZE(maxTableLog)   (1 + (1<<maxTableLog))  /* nb Cells; use unsigned short for X2, unsigned int for X4 */
#define HUF_CREATE_STATIC_DTABLEX2(DTable, maxTableLog) \
        unsigned short DTable[HUF_DTABLE_SIZE(maxTableLog)] = { maxTableLog }
#define HUF_CREATE_STATIC_DTABLEX4(DTable, maxTableLog) \
        unsigned int DTable[HUF_DTABLE_SIZE(maxTableLog)] = { maxTableLog }
#define HUF_CREATE_STATIC_DTABLEX6(DTable, maxTableLog) \
        unsigned int DTable[HUF_DTABLE_SIZE(maxTableLog) * 3 / 2] = { maxTableLog }

ext/zstd/lib/legacy/zstd_v04.c view on Meta::CPAN

extern "C" {
#endif


/* *****************************************
*  Static allocation
*******************************************/
/* FSE buffer bounds */
#define FSE_NCOUNTBOUND 512
#define FSE_BLOCKBOUND(size) (size + (size>>7))
#define FSE_COMPRESSBOUND(size) (FSE_NCOUNTBOUND + FSE_BLOCKBOUND(size))   /* Macro version, useful for static allocation */

/* It is possible to statically allocate FSE CTable/DTable as a table of unsigned using below macros */
#define FSE_CTABLE_SIZE_U32(maxTableLog, maxSymbolValue)   (1 + (1<<(maxTableLog-1)) + ((maxSymbolValue+1)*2))
#define FSE_DTABLE_SIZE_U32(maxTableLog)                   (1 + (1<<maxTableLog))


/* *****************************************
*  FSE advanced API
*******************************************/
static size_t FSE_buildDTable_raw (FSE_DTable* dt, unsigned nbBits);

ext/zstd/lib/legacy/zstd_v06.c view on Meta::CPAN

extern "C" {
#endif


/* *****************************************
*  Static allocation
*******************************************/
/* FSE buffer bounds */
#define FSEv06_NCOUNTBOUND 512
#define FSEv06_BLOCKBOUND(size) (size + (size>>7))
#define FSEv06_COMPRESSBOUND(size) (FSEv06_NCOUNTBOUND + FSEv06_BLOCKBOUND(size))   /* Macro version, useful for static allocation */

/* It is possible to statically allocate FSE CTable/DTable as a table of unsigned using below macros */
#define FSEv06_DTABLE_SIZE_U32(maxTableLog)                   (1 + (1<<maxTableLog))


/* *****************************************
*  FSE advanced API
*******************************************/
size_t FSEv06_countFast(unsigned* count, unsigned* maxSymbolValuePtr, const void* src, size_t srcSize);
/* same as FSEv06_count(), but blindly trusts that all byte values within src are <= *maxSymbolValuePtr  */

ext/zstd/lib/legacy/zstd_v06.c view on Meta::CPAN

extern "C" {
#endif


/* ****************************************
*  Static allocation
******************************************/
/* HUF buffer bounds */
#define HUFv06_CTABLEBOUND 129
#define HUFv06_BLOCKBOUND(size) (size + (size>>8) + 8)   /* only true if incompressible pre-filtered with fast heuristic */
#define HUFv06_COMPRESSBOUND(size) (HUFv06_CTABLEBOUND + HUFv06_BLOCKBOUND(size))   /* Macro version, useful for static allocation */

/* static allocation of HUF's DTable */
#define HUFv06_DTABLE_SIZE(maxTableLog)   (1 + (1<<maxTableLog))
#define HUFv06_CREATE_STATIC_DTABLEX2(DTable, maxTableLog) \
        unsigned short DTable[HUFv06_DTABLE_SIZE(maxTableLog)] = { maxTableLog }
#define HUFv06_CREATE_STATIC_DTABLEX4(DTable, maxTableLog) \
        unsigned int DTable[HUFv06_DTABLE_SIZE(maxTableLog)] = { maxTableLog }
#define HUFv06_CREATE_STATIC_DTABLEX6(DTable, maxTableLog) \
        unsigned int DTable[HUFv06_DTABLE_SIZE(maxTableLog) * 3 / 2] = { maxTableLog }

ext/zstd/lib/legacy/zstd_v06.c view on Meta::CPAN

*  Compiler specifics
*********************************************************/
#ifdef _MSC_VER    /* Visual Studio */
#  include <intrin.h>                    /* For Visual 2005 */
#  pragma warning(disable : 4127)        /* disable: C4127: conditional expression is constant */
#  pragma warning(disable : 4324)        /* disable: C4324: padded structure */
#endif


/*-*************************************
*  Macros
***************************************/
#define ZSTDv06_isError ERR_isError   /* for inlining */
#define FSEv06_isError  ERR_isError
#define HUFv06_isError  ERR_isError


/*_*******************************************************
*  Memory operations
**********************************************************/
static void ZSTDv06_copy4(void* dst, const void* src) { memcpy(dst, src, 4); }

ext/zstd/lib/legacy/zstd_v07.c view on Meta::CPAN

*********************************************************/
#ifdef _MSC_VER    /* Visual Studio */
#  include <intrin.h>                    /* For Visual 2005 */
#  pragma warning(disable : 4127)        /* disable: C4127: conditional expression is constant */
#  pragma warning(disable : 4324)        /* disable: C4324: padded structure */
#  pragma warning(disable : 4100)        /* disable: C4100: unreferenced formal parameter */
#endif


/*-*************************************
*  Macros
***************************************/
#define ZSTDv07_isError ERR_isError   /* for inlining */
#define FSEv07_isError  ERR_isError
#define HUFv07_isError  ERR_isError


/*_*******************************************************
*  Memory operations
**********************************************************/
static void ZSTDv07_copy4(void* dst, const void* src) { memcpy(dst, src, 4); }

ext/zstd/programs/datagen.c view on Meta::CPAN

**************************************/
#include "datagen.h"
#include "platform.h"  /* SET_BINARY_MODE */
#include <stdlib.h>    /* malloc, free */
#include <stdio.h>     /* FILE, fwrite, fprintf */
#include <string.h>    /* memcpy */
#include "mem.h"       /* U32 */


/*-************************************
*  Macros
**************************************/
#define KB *(1 <<10)
#define MIN(a,b)  ( (a) < (b) ? (a) : (b) )

#define RDG_DEBUG 0
#define TRACE(...)   if (RDG_DEBUG) fprintf(stderr, __VA_ARGS__ )


/*-************************************
*  Local constants

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