Lines Matching refs:dstCapacity
434 size_t ZSTD_noCompressBlock(void *dst, size_t dstCapacity, const void *src, size_t srcSize)
436 if (srcSize + ZSTD_blockHeaderSize > dstCapacity)
443 static size_t ZSTD_noCompressLiterals(void *dst, size_t dstCapacity, const void *src, size_t srcSize)
448 if (srcSize + flSize > dstCapacity)
462 static size_t ZSTD_compressRleLiteralsBlock(void *dst, size_t dstCapacity, const void *src, size_t srcSize)
467 (void)dstCapacity; /* dstCapacity already guaranteed to be >=4, hence large enough */
482 static size_t ZSTD_compressLiterals(ZSTD_CCtx *zc, void *dst, size_t dstCapacity, const void *src, size_t srcSize)
496 return ZSTD_noCompressLiterals(dst, dstCapacity, src, srcSize);
499 if (dstCapacity < lhSize + 1)
506 cLitSize = singleStream ? HUF_compress1X_repeat(ostart + lhSize, dstCapacity - lhSize, src, srcSize, 255, 11, zc->tmpCounters,
508 : HUF_compress4X_repeat(ostart + lhSize, dstCapacity - lhSize, src, srcSize, 255, 11, zc->tmpCounters,
520 return ZSTD_noCompressLiterals(dst, dstCapacity, src, srcSize);
524 return ZSTD_compressRleLiteralsBlock(dst, dstCapacity, src, srcSize);
586 ZSTD_STATIC size_t ZSTD_compressSequences_internal(ZSTD_CCtx *zc, void *dst, size_t dstCapacity)
599 BYTE *const oend = ostart + dstCapacity;
623 size_t const cSize = ZSTD_compressLiterals(zc, op, dstCapacity, literals, litSize);
832 ZSTD_STATIC size_t ZSTD_compressSequences(ZSTD_CCtx *zc, void *dst, size_t dstCapacity, size_t srcSize)
834 size_t const cSize = ZSTD_compressSequences_internal(zc, dst, dstCapacity);
837 /* If the srcSize <= dstCapacity, then there is enough space to write a
841 int const uncompressibleError = cSize == ERROR(dstSize_tooSmall) && srcSize <= dstCapacity;
2333 static size_t ZSTD_compressBlock_internal(ZSTD_CCtx *zc, void *dst, size_t dstCapacity, const void *src, size_t srcSize)
2345 return ZSTD_compressSequences(zc, dst, dstCapacity, srcSize);
2351 * Function will issue an error if there is not enough `dstCapacity` to hold the compressed content.
2355 static size_t ZSTD_compress_generic(ZSTD_CCtx *cctx, void *dst, size_t dstCapacity, const void *src, size_t srcSize, U32 lastFrameChunk)
2371 if (dstCapacity < ZSTD_blockHeaderSize + MIN_CBLOCK_SIZE)
2403 cSize = ZSTD_compressBlock_internal(cctx, op + ZSTD_blockHeaderSize, dstCapacity - ZSTD_blockHeaderSize, ip, blockSize);
2409 if (blockSize + ZSTD_blockHeaderSize > dstCapacity)
2421 dstCapacity -= cSize;
2431 static size_t ZSTD_writeFrameHeader(void *dst, size_t dstCapacity, ZSTD_parameters params, U64 pledgedSrcSize, U32 dictID)
2444 if (dstCapacity < ZSTD_frameHeaderSize_max)
2490 static size_t ZSTD_compressContinue_internal(ZSTD_CCtx *cctx, void *dst, size_t dstCapacity, const void *src, size_t srcSize, U32 frame, U32 lastFrameChunk)
2499 fhSize = ZSTD_writeFrameHeader(dst, dstCapacity, cctx->params, cctx->frameContentSize, cctx->dictID);
2502 dstCapacity -= fhSize;
2530 size_t const cSize = frame ? ZSTD_compress_generic(cctx, dst, dstCapacity, src, srcSize, lastFrameChunk)
2531 : ZSTD_compressBlock_internal(cctx, dst, dstCapacity, src, srcSize);
2539 size_t ZSTD_compressContinue(ZSTD_CCtx *cctx, void *dst, size_t dstCapacity, const void *src, size_t srcSize)
2541 return ZSTD_compressContinue_internal(cctx, dst, dstCapacity, src, srcSize, 1, 0);
2546 size_t ZSTD_compressBlock(ZSTD_CCtx *cctx, void *dst, size_t dstCapacity, const void *src, size_t srcSize)
2551 return ZSTD_compressContinue_internal(cctx, dst, dstCapacity, src, srcSize, 0, 0);
2765 static size_t ZSTD_writeEpilogue(ZSTD_CCtx *cctx, void *dst, size_t dstCapacity)
2776 fhSize = ZSTD_writeFrameHeader(dst, dstCapacity, cctx->params, 0, 0);
2779 dstCapacity -= fhSize;
2787 if (dstCapacity < 4)
2791 dstCapacity -= ZSTD_blockHeaderSize;
2796 if (dstCapacity < 4)
2806 size_t ZSTD_compressEnd(ZSTD_CCtx *cctx, void *dst, size_t dstCapacity, const void *src, size_t srcSize)
2809 size_t const cSize = ZSTD_compressContinue_internal(cctx, dst, dstCapacity, src, srcSize, 1, 1);
2812 endResult = ZSTD_writeEpilogue(cctx, (char *)dst + cSize, dstCapacity - cSize);
2818 static size_t ZSTD_compress_internal(ZSTD_CCtx *cctx, void *dst, size_t dstCapacity, const void *src, size_t srcSize, const void *dict, size_t dictSize,
2822 return ZSTD_compressEnd(cctx, dst, dstCapacity, src, srcSize);
2825 size_t ZSTD_compress_usingDict(ZSTD_CCtx *ctx, void *dst, size_t dstCapacity, const void *src, size_t srcSize, const void *dict, size_t dictSize,
2828 return ZSTD_compress_internal(ctx, dst, dstCapacity, src, srcSize, dict, dictSize, params);
2831 size_t ZSTD_compressCCtx(ZSTD_CCtx *ctx, void *dst, size_t dstCapacity, const void *src, size_t srcSize, ZSTD_parameters params)
2833 return ZSTD_compress_internal(ctx, dst, dstCapacity, src, srcSize, NULL, 0, params);
2930 size_t ZSTD_compress_usingCDict(ZSTD_CCtx *cctx, void *dst, size_t dstCapacity, const void *src, size_t srcSize, const ZSTD_CDict *cdict)
2941 return ZSTD_compressEnd(cctx, dst, dstCapacity, src, srcSize);
3122 ZSTD_STATIC size_t ZSTD_limitCopy(void *dst, size_t dstCapacity, const void *src, size_t srcSize)
3124 size_t const length = MIN(dstCapacity, srcSize);