QuickHash Library

Type Library

ADLER32_Calculate

void ADLER32_Calculate( [out]ADLER32_Digest* pDigest, [ in , size_is( nSrcLength ) ] const void* pSrc, [ in ] int nSrcLength );

Parameters

 pDigest

    [out] A memory buffer that will receive the checksum.

     Note. All predefined types are specified in the Predefined Types List.

 pSrc

    [in] A continuous memory block for which to calculate the checksum.

 nSrcLength

    [in] Length in bytes of the memory block. 

Remarks

Calculates the ADLER32 checksum for the  pSrc memory block. The checksum is retrieved in the pDigest memory buffer.

VB Example

Private Sub MyButton_Click()   

    Dim Checksum As ADLER32_Digest

    Dim MyStrData As String

    MyStrData = "Hello World!"

    Dim nLen As Long

    nLen = Len(MyStrData)

    'Convert the string to byte array

    Dim MyBinData() As Byte

    ReDim MyBinData(1 To nLen)    

    For i = 1 To nLen

        MyBinData(i) = Asc(Mid(MyStrData, i, 1))

    Next i    

    'Get the checksum

    ADLER32_Calculate Checksum, MyBinData(1), nLen

    'Show the hexadecimal representation of the checksum

    MsgBox QHASH_ConvertToHex(Checksum.Value(0), ADLER32_DIGESTSIZE, True) 

End Sub

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See Also    ADLER32_CalculateHex, ADLER32_CalculateStr, ADLER32_CalculateStrHex, QHASH_ConvertToHex