Function ZSTD_readMINMATCH

freebsd/contrib/zstd/lib/compress/zstd_opt.c:325–336

ZSTD_readMINMATCH() : * function safe only for comparisons * assumption : memPtr must be at least 4 bytes before end of buffer */

 * function safe only for comparisons
 * assumption : memPtr must be at least 4 bytes before end of buffer */
MEM_STATIC U32 ZSTD_readMINMATCH(const void* memPtr, U32 length)
{
    switch (length)
    {
    default :
    case 4 : return MEM_read32(memPtr);
    case 3 : if (MEM_isLittleEndian())
                return MEM_read32(memPtr)<<8;
             else
                return MEM_read32(memPtr)>>8;
    }
}


/* Update hashTable3 up to ip (excluded)