zstd/compress/zstd_compress.c

235         if (cParams->windowLog > 14) mode = ZSTD_ps_enable;
237         if (cParams->windowLog > 17) mode = ZSTD_ps_enable;
246     return (cParams->strategy >= ZSTD_btopt && cParams->windowLog >= 17) ? ZSTD_ps_enable : ZSTD_ps_disable;
267     return (cParams->strategy >= ZSTD_btopt && cParams->windowLog >= 27) ? ZSTD_ps_enable : ZSTD_ps_disable;
702         CCtxParams->cParams.windowLog = (U32)value;
703         return CCtxParams->cParams.windowLog;
890         *value = (int)CCtxParams->cParams.windowLog;
1165     BOUNDCHECK(ZSTD_c_windowLog, (int)cParams.windowLog);
1187     CLAMP(ZSTD_c_windowLog, cParams.windowLog);
1210  * the hashLog and windowLog.
1213 static U32 ZSTD_dictAndWindowLog(U32 windowLog, U64 srcSize, U64 dictSize)
1218         return windowLog;
1220     assert(windowLog <= ZSTD_WINDOWLOG_MAX);
1223         U64 const windowSize = 1ULL << windowLog;
1230             return windowLog; /* Window size large enough already */
1283     /* resize windowLog if input is small enough, to use less memory */
1290         if (cPar.windowLog > srcLog) cPar.windowLog = srcLog;
1293         U32 const dictAndWindowLog = ZSTD_dictAndWindowLog(cPar.windowLog, (U64)srcSize, (U64)dictSize);
1300     if (cPar.windowLog < ZSTD_WINDOWLOG_ABSOLUTEMIN)
1301         cPar.windowLog = ZSTD_WINDOWLOG_ABSOLUTEMIN;  /* minimum wlog required for valid frame header */
1323     if (overrides->windowLog)    cParams->windowLog    = overrides->windowLog;
1340     if (CCtxParams->ldmParams.enableLdm == ZSTD_ps_enable) cParams.windowLog = ZSTD_LDM_DEFAULT_WINDOW_LOG;
1358     U32    const hashLog3 = (forCCtx && cParams->minMatch==3) ? MIN(ZSTD_HASHLOG3_MAX, cParams->windowLog) : 0;
1398     size_t const windowSize = (size_t) BOUNDED(1ULL, 1ULL << cParams->windowLog, pledgedSrcSize);
1496         size_t const blockSize = MIN(ZSTD_BLOCKSIZE_MAX, (size_t)1 << cParams.windowLog);
1498                 ? ((size_t)1 << cParams.windowLog) + blockSize
1579     assert(cParams1.windowLog    == cParams2.windowLog);
1656     U32    const hashLog3 = ((forWho == ZSTD_resetTarget_CCtx) && cParams->minMatch==3) ? MIN(ZSTD_HASHLOG3_MAX, cParams->windowLog) : 0;
1757                 (U32)pledgedSrcSize, params->cParams.windowLog, (int)params->useRowMatchFinder, (int)params->useBlockSplitter);
1778     {   size_t const windowSize = MAX(1, (size_t)MIN(((U64)1 << params->cParams.windowLog), pledgedSrcSize));
1972         unsigned const windowLog = params.cParams.windowLog;
1973         assert(windowLog != 0);
1984         params.cParams.windowLog = windowLog;
2034     {   unsigned const windowLog = params.cParams.windowLog;
2035         assert(windowLog != 0);
2038         params.cParams.windowLog = windowLog;
2128  * `windowLog` value is enforced if != 0, otherwise value is copied from srcCCtx.
2153         assert(dstCCtx->appliedParams.cParams.windowLog == srcCCtx->appliedParams.cParams.windowLog);
2491     const int longOffsets = cctxParams->cParams.windowLog > STREAM_ACCUMULATOR_MIN;
3817     U32 const maxDist = (U32)1 << params->cParams.windowLog;
3851     U32 const maxDist = (U32)1 << cctx->appliedParams.cParams.windowLog;
3853     assert(cctx->appliedParams.cParams.windowLog <= ZSTD_WINDOWLOG_MAX);
3927     U32   const windowSize = (U32)1 << params->cParams.windowLog;
3929     BYTE  const windowLogByte = (BYTE)((params->cParams.windowLog - ZSTD_WINDOWLOG_ABSOLUTEMIN) << 3);
4094     return MIN (ZSTD_BLOCKSIZE_MAX, (U32)1 << cParams.windowLog);
4407     DEBUGLOG(4, "ZSTD_compressBegin_internal: wlog=%u", params->cParams.windowLog);
4450     DEBUGLOG(4, "ZSTD_compressBegin_advanced_internal: wlog=%u", params->cParams.windowLog);
4966         cctxParams.cParams.windowLog = MAX(cctxParams.cParams.windowLog, limitedSrcLog);
5564                       size_t posInSrc, U32 windowLog, size_t dictSize)
5566     U32 const windowSize = 1 << windowLog;
5629                                                 cctx->appliedParams.cParams.windowLog, dictSize),
5752                                                    cctx->appliedParams.cParams.windowLog, dictSize),