lib/compress/huf_compress.c

47 unsigned HUF_optimalTableLog(unsigned maxTableLog, size_t srcSize, unsigned maxSymbolValue)  in HUF_optimalTableLog()  argument
49     return FSE_optimalTableLog_internal(maxTableLog, srcSize, maxSymbolValue, 1);  in HUF_optimalTableLog()
144 … (HUF_CElt* CTable, unsigned* maxSymbolValuePtr, const void* src, size_t srcSize, unsigned* hasZer…  in HUF_readCTable()  argument
152 …e, HUF_readStats(huffWeight, HUF_SYMBOLVALUE_MAX+1, rankVal, &nbSymbols, &tableLog, src, srcSize));  in HUF_readCTable()
562                                    const void* src, size_t srcSize,  in HUF_compress1X_usingCTable_internal_body()  argument
577     n = srcSize & ~3;  /* join to mod 4 */  in HUF_compress1X_usingCTable_internal_body()
578     switch (srcSize & 3)  in HUF_compress1X_usingCTable_internal_body()
611                                    const void* src, size_t srcSize,  in HUF_compress1X_usingCTable_internal_bmi2()  argument
614     return HUF_compress1X_usingCTable_internal_body(dst, dstSize, src, srcSize, CTable);  in HUF_compress1X_usingCTable_internal_bmi2()
619                                       const void* src, size_t srcSize,  in HUF_compress1X_usingCTable_internal_default()  argument
622     return HUF_compress1X_usingCTable_internal_body(dst, dstSize, src, srcSize, CTable);  in HUF_compress1X_usingCTable_internal_default()
627                               const void* src, size_t srcSize,  in HUF_compress1X_usingCTable_internal()  argument
631         return HUF_compress1X_usingCTable_internal_bmi2(dst, dstSize, src, srcSize, CTable);  in HUF_compress1X_usingCTable_internal()
633     return HUF_compress1X_usingCTable_internal_default(dst, dstSize, src, srcSize, CTable);  in HUF_compress1X_usingCTable_internal()
640                               const void* src, size_t srcSize,  in HUF_compress1X_usingCTable_internal()  argument
644     return HUF_compress1X_usingCTable_internal_body(dst, dstSize, src, srcSize, CTable);  in HUF_compress1X_usingCTable_internal()
649 size_t HUF_compress1X_usingCTable(void* dst, size_t dstSize, const void* src, size_t srcSize, const…  in HUF_compress1X_usingCTable()  argument
651     return HUF_compress1X_usingCTable_internal(dst, dstSize, src, srcSize, CTable, /* bmi2 */ 0);  in HUF_compress1X_usingCTable()
657                               const void* src, size_t srcSize,  in HUF_compress4X_usingCTable_internal()  argument
660     size_t const segmentSize = (srcSize+3)/4;   /* first 3 segments */  in HUF_compress4X_usingCTable_internal()
662     const BYTE* const iend = ip + srcSize;  in HUF_compress4X_usingCTable_internal()
668     if (srcSize < 12) return 0;   /* no saving possible : too small input */  in HUF_compress4X_usingCTable_internal()
708 size_t HUF_compress4X_usingCTable(void* dst, size_t dstSize, const void* src, size_t srcSize, const…  in HUF_compress4X_usingCTable()  argument
710     return HUF_compress4X_usingCTable_internal(dst, dstSize, src, srcSize, CTable, /* bmi2 */ 0);  in HUF_compress4X_usingCTable()
717                 const void* src, size_t srcSize,  in HUF_compressCTable_internal()  argument
721 …         HUF_compress1X_usingCTable_internal(op, (size_t)(oend - op), src, srcSize, CTable, bmi2) :  in HUF_compressCTable_internal()
722 …          HUF_compress4X_usingCTable_internal(op, (size_t)(oend - op), src, srcSize, CTable, bmi2);  in HUF_compressCTable_internal()
728     if ((size_t)(op-ostart) >= srcSize-1) { return 0; }  in HUF_compressCTable_internal()
743                  const void* src, size_t srcSize,  in HUF_compress_internal()  argument
760     if (!srcSize) return 0;  /* Uncompressed */  in HUF_compress_internal()
762     if (srcSize > HUF_BLOCKSIZE_MAX) return ERROR(srcSize_wrong);   /* current block size limit */  in HUF_compress_internal()
771                                            src, srcSize,  in HUF_compress_internal()
776 …rgest, HIST_count_wksp (table->count, &maxSymbolValue, (const BYTE*)src, srcSize, workSpace_align4…  in HUF_compress_internal()
777 …  if (largest == srcSize) { *ostart = ((const BYTE*)src)[0]; return 1; }   /* single symbol, rle */  in HUF_compress_internal()
778 …    if (largest <= (srcSize >> 7)+4) return 0;   /* heuristic : probably not compressible enough */  in HUF_compress_internal()
790                                            src, srcSize,  in HUF_compress_internal()
795     huffLog = HUF_optimalTableLog(huffLog, srcSize, maxSymbolValue);  in HUF_compress_internal()
812             if (oldSize <= hSize + newSize || hSize + 12 >= srcSize) {  in HUF_compress_internal()
814                                                    src, srcSize,  in HUF_compress_internal()
819         if (hSize + 12ul >= srcSize) { return 0; }  in HUF_compress_internal()
826                                        src, srcSize,  in HUF_compress_internal()
832                       const void* src, size_t srcSize,  in HUF_compress1X_wksp()  argument
836     return HUF_compress_internal(dst, dstSize, src, srcSize,  in HUF_compress1X_wksp()
843                       const void* src, size_t srcSize,  in HUF_compress1X_repeat()  argument
848     return HUF_compress_internal(dst, dstSize, src, srcSize,  in HUF_compress1X_repeat()
858                       const void* src, size_t srcSize,  in HUF_compress4X_wksp()  argument
862     return HUF_compress_internal(dst, dstSize, src, srcSize,  in HUF_compress4X_wksp()
872                       const void* src, size_t srcSize,  in HUF_compress4X_repeat()  argument
877     return HUF_compress_internal(dst, dstSize, src, srcSize,  in HUF_compress4X_repeat()
895                  const void* src, size_t srcSize,  in HUF_compress1X()  argument
899 …return HUF_compress1X_wksp(dst, dstSize, src, srcSize, maxSymbolValue, huffLog, workSpace, sizeof(…  in HUF_compress1X()
903                 const void* src, size_t srcSize,  in HUF_compress2()  argument
907 …return HUF_compress4X_wksp(dst, dstSize, src, srcSize, maxSymbolValue, huffLog, workSpace, sizeof(…  in HUF_compress2()
910 size_t HUF_compress (void* dst, size_t maxDstSize, const void* src, size_t srcSize)  in HUF_compress()  argument
912     return HUF_compress2(dst, maxDstSize, src, srcSize, 255, HUF_TABLELOG_DEFAULT);  in HUF_compress()