ddidderr/zstd-rs
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added fast mode

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This commit is contained in:
Yann Collet
2015-11-05 17:32:18 +01:00
parent 47b68908b2
commit 1f44b3f778
5 changed files with 163 additions and 58 deletions
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lib/zstd.c
+2 -3
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@@ -125,7 +125,6 @@
static const U32 g_maxDistance = 4 * BLOCKSIZE;
static const U32 g_maxLimit = 1 GB;
static const U32 g_searchStrength = 8;
#define WORKPLACESIZE (BLOCKSIZE*3)
#define MINMATCH 4
@@ -524,8 +523,6 @@ static U32 ZSTD_hashPtr(const void* p) { return ( (MEM_read64(p) * prime7bytes
//static U32 ZSTD_hashPtr(const void* p) { return ( (*(U32*)p * KNUTH) >> (32-HASH_LOG)); }
static void ZSTD_addPtr(U32* table, const BYTE* p, const BYTE* start) { table[ZSTD_hashPtr(p)] = (U32)(p-start); }
static const BYTE* ZSTD_updateMatch(U32* table, const BYTE* p, const BYTE* start)
{
U32 h = ZSTD_hashPtr(p);
@@ -540,6 +537,8 @@ static int ZSTD_checkMatch(const BYTE* match, const BYTE* ip)
return MEM_read32(match) == MEM_read32(ip);
}
static void ZSTD_addPtr(U32* table, const BYTE* p, const BYTE* start) { table[ZSTD_hashPtr(p)] = (U32)(p-start); }
static size_t ZSTD_compressBlock(ZSTD_CCtx* ctx, void* dst, size_t maxDstSize, const void* src, size_t srcSize)
{