ddidderr/zstd-rs
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minor refactor

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This commit is contained in:
Yann Collet
2016-03-19 15:11:42 +01:00
parent 90a03a95a1
commit 37f3d1b2ab
3 changed files with 20 additions and 28 deletions
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lib/zstd_internal.h
+16 -17
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@@ -71,9 +71,6 @@
#define MB *(1 <<20)
#define GB *(1U<<30)
#define ZSTD_BLOCKHEADERSIZE 3 /* because C standard does not allow a static const value to be defined using another static const value .... :( */
static const size_t ZSTD_blockHeaderSize = ZSTD_BLOCKHEADERSIZE;
#define BIT7 128
#define BIT6 64
#define BIT5 32
@@ -81,16 +78,28 @@ static const size_t ZSTD_blockHeaderSize = ZSTD_BLOCKHEADERSIZE;
#define BIT1 2
#define BIT0 1
#define ZSTD_WINDOWLOG_ABSOLUTEMIN 12
static const size_t ZSTD_fcs_fieldSize[4] = { 0, 1, 2, 8 };
#define ZSTD_BLOCKHEADERSIZE 3 /* because C standard does not allow a static const value to be defined using another static const value .... :( */
static const size_t ZSTD_blockHeaderSize = ZSTD_BLOCKHEADERSIZE;
typedef enum { bt_compressed, bt_raw, bt_rle, bt_end } blockType_t;
#define MIN_SEQUENCES_SIZE 1 /* nbSeq==0 */
#define MIN_CBLOCK_SIZE (1 /*litCSize*/ + 1 /* RLE or RAW */ + MIN_SEQUENCES_SIZE /* nbSeq==0 */) /* for a non-null block */
#define HufLog 12
#define IS_HUF 0
#define IS_PCH 1
#define IS_RAW 2
#define IS_RLE 3
#define LONGNBSEQ 0x7F00
#define MINMATCH 4
#define REPCODE_STARTVALUE 1
#define ZSTD_WINDOWLOG_ABSOLUTEMIN 12
#define LONGNBSEQ 0x7F00
#define HASHLOG3 17
#define Litbits 8
#define MLbits 7
@@ -110,26 +119,16 @@ static const size_t ZSTD_blockHeaderSize = ZSTD_BLOCKHEADERSIZE;
#define FSE_ENCODING_STATIC 2
#define FSE_ENCODING_DYNAMIC 3
#define HufLog 12
#define HASHLOG3 17
#define MIN_SEQUENCES_SIZE 1 /* nbSeq==0 */
#define MIN_CBLOCK_SIZE (1 /*litCSize*/ + 1 /* RLE or RAW */ + MIN_SEQUENCES_SIZE /* nbSeq==0 */) /* for a non-null block */
#define WILDCOPY_OVERLENGTH 8
typedef enum { bt_compressed, bt_raw, bt_rle, bt_end } blockType_t;
/*-*******************************************
* Shared functions to include for inlining
*********************************************/
static void ZSTD_copy8(void* dst, const void* src) { memcpy(dst, src, 8); }
#define COPY8(d,s) { ZSTD_copy8(d,s); d+=8; s+=8; }
/*! ZSTD_wildcopy() :
* custom version of memcpy(), can copy up to 7 bytes too many (8 bytes if length==0) */
#define WILDCOPY_OVERLENGTH 8
MEM_STATIC void ZSTD_wildcopy(void* dst, const void* src, size_t length)
{
const BYTE* ip = (const BYTE*)src;