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[linux-kernel] Separate xxhash into its own module

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This commit is contained in:
Nick Terrell
2017-05-16 15:52:35 -07:00
parent bd1964a988
commit b3ebe9b77c
14 changed files with 1694 additions and 980 deletions
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contrib/linux-kernel/lib/zstd/compress.c
+5 -5
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@@ -73,7 +73,7 @@ struct ZSTD_CCtx_s {
size_t workSpaceSize;
size_t blockSize;
U64 frameContentSize;
XXH64_state_t xxhState;
struct xxh64_state xxhState;
ZSTD_customMem customMem;
seqStore_t seqStore; /* sequences storage ptrs */
@@ -221,7 +221,7 @@ static size_t ZSTD_continueCCtx(ZSTD_CCtx* cctx, ZSTD_parameters params, U64 fra
cctx->loadedDictEnd = 0;
{ int i; for (i=0; i<ZSTD_REP_NUM; i++) cctx->rep[i] = repStartValue[i]; }
cctx->seqStore.litLengthSum = 0; /* force reset of btopt stats */
XXH64_reset(&cctx->xxhState, 0);
xxh64_reset(&cctx->xxhState, 0);
return 0;
}
@@ -264,7 +264,7 @@ static size_t ZSTD_resetCCtx_advanced (ZSTD_CCtx* zc,
} }
if (crp!=ZSTDcrp_noMemset) memset(zc->workSpace, 0, tableSpace); /* reset tables only */
XXH64_reset(&zc->xxhState, 0);
xxh64_reset(&zc->xxhState, 0);
zc->hashLog3 = hashLog3;
zc->hashTable = (U32*)(zc->workSpace);
zc->chainTable = zc->hashTable + hSize;
@@ -2322,7 +2322,7 @@ static size_t ZSTD_compress_generic (ZSTD_CCtx* cctx,
U32 const maxDist = 1 << cctx->params.cParams.windowLog;
if (cctx->params.fParams.checksumFlag && srcSize)
XXH64_update(&cctx->xxhState, src, srcSize);
xxh64_update(&cctx->xxhState, src, srcSize);
while (remaining) {
U32 const lastBlock = lastFrameChunk & (blockSize >= remaining);
@@ -2720,7 +2720,7 @@ static size_t ZSTD_writeEpilogue(ZSTD_CCtx* cctx, void* dst, size_t dstCapacity)
}
if (cctx->params.fParams.checksumFlag) {
U32 const checksum = (U32) XXH64_digest(&cctx->xxhState);
U32 const checksum = (U32) xxh64_digest(&cctx->xxhState);
if (dstCapacity<4) return ERROR(dstSize_tooSmall);
MEM_writeLE32(op, checksum);
op += 4;