parent
0e2dbac18a
commit
404a7bfed0
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@ -2461,13 +2461,13 @@ static size_t ZSTD_compress_frameChunk (ZSTD_CCtx* cctx,
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ZSTD_STATIC_ASSERT(ZSTD_CHAINLOG_MAX <= 30);
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ZSTD_STATIC_ASSERT(ZSTD_WINDOWLOG_MAX_32 <= 30);
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ZSTD_STATIC_ASSERT(ZSTD_WINDOWLOG_MAX <= 31);
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ZSTD_reduceIndex(cctx, correction);
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ZSTD_reduceIndex(cctx, correction);
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if (ms->nextToUpdate < correction) ms->nextToUpdate = 0;
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else ms->nextToUpdate -= correction;
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ms->loadedDictEnd = 0;
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ms->dictMatchState = NULL;
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}
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ZSTD_window_enforceMaxDist(&ms->window, ip + blockSize, maxDist, &ms->loadedDictEnd, &ms->dictMatchState);
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ZSTD_window_enforceMaxDist(&ms->window, ip + blockSize, maxDist, &ms->loadedDictEnd, &ms->dictMatchState);
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if (ms->nextToUpdate < ms->window.lowLimit) ms->nextToUpdate = ms->window.lowLimit;
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{ size_t cSize = ZSTD_compressBlock_internal(cctx,
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@ -2600,8 +2600,25 @@ static size_t ZSTD_compressContinue_internal (ZSTD_CCtx* cctx,
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if (!ZSTD_window_update(&ms->window, src, srcSize)) {
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ms->nextToUpdate = ms->window.dictLimit;
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}
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if (cctx->appliedParams.ldmParams.enableLdm)
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if (cctx->appliedParams.ldmParams.enableLdm) {
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ZSTD_window_update(&cctx->ldmState.window, src, srcSize);
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}
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if (!frame) {
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/* overflow check and correction for block mode */
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if (ZSTD_window_needOverflowCorrection(ms->window, (const char*)src + srcSize)) {
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U32 const cycleLog = ZSTD_cycleLog(cctx->appliedParams.cParams.chainLog, cctx->appliedParams.cParams.strategy);
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U32 const correction = ZSTD_window_correctOverflow(&ms->window, cycleLog, 1 << cctx->appliedParams.cParams.windowLog, src);
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ZSTD_STATIC_ASSERT(ZSTD_CHAINLOG_MAX <= 30);
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ZSTD_STATIC_ASSERT(ZSTD_WINDOWLOG_MAX_32 <= 30);
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ZSTD_STATIC_ASSERT(ZSTD_WINDOWLOG_MAX <= 31);
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ZSTD_reduceIndex(cctx, correction);
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if (ms->nextToUpdate < correction) ms->nextToUpdate = 0;
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else ms->nextToUpdate -= correction;
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ms->loadedDictEnd = 0;
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ms->dictMatchState = NULL;
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}
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}
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DEBUGLOG(5, "ZSTD_compressContinue_internal (blockSize=%u)", (U32)cctx->blockSize);
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{ size_t const cSize = frame ?
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@ -2641,24 +2658,9 @@ size_t ZSTD_getBlockSize(const ZSTD_CCtx* cctx)
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size_t ZSTD_compressBlock(ZSTD_CCtx* cctx, void* dst, size_t dstCapacity, const void* src, size_t srcSize)
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{
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ZSTD_matchState_t* const ms = &cctx->blockState.matchState;
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size_t const blockSizeMax = ZSTD_getBlockSize(cctx);
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if (srcSize > blockSizeMax) return ERROR(srcSize_wrong);
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if (ZSTD_window_needOverflowCorrection(ms->window, (const char*)src + srcSize)) {
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U32 const cycleLog = ZSTD_cycleLog(cctx->appliedParams.cParams.chainLog, cctx->appliedParams.cParams.strategy);
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U32 const correction = ZSTD_window_correctOverflow(&ms->window, cycleLog, 1 << cctx->appliedParams.cParams.windowLog, src);
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ZSTD_STATIC_ASSERT(ZSTD_CHAINLOG_MAX <= 30);
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ZSTD_STATIC_ASSERT(ZSTD_WINDOWLOG_MAX_32 <= 30);
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ZSTD_STATIC_ASSERT(ZSTD_WINDOWLOG_MAX <= 31);
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ZSTD_reduceIndex(cctx, correction);
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if (ms->nextToUpdate < correction) ms->nextToUpdate = 0;
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else ms->nextToUpdate -= correction;
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ms->loadedDictEnd = 0;
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ms->dictMatchState = NULL;
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}
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return ZSTD_compressContinue_internal(cctx, dst, dstCapacity, src, srcSize, 0 /* frame mode */, 0 /* last chunk */);
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}
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