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    CompareMemRange

    Compare 2 memory locations.

    Declaration

    Source position: sysstrh.inc line 82

    function CompareMemRange(P1: Pointer; P2: Pointer; &Length: PtrUInt)
                         : Integer;

    Description

    CompareMemRange compares the 2 memory locations pointed to by P1 and P2 byte per byte. It stops comparing after Length bytes have been compared, or when it has encountered 2 different bytes. The result is then

    >0
    if a byte in range P1 was found that is bigger than the corresponding byte in range P2.
    0
    if all bytes in range P1 are the same as the corresponding bytes in range P2.
    <0
    if a byte in range P1 was found that is less than the corresponding byte in range P2.

    Errors

    None.

    See also

    Name Description
    SameText Checks whether 2 strings are the same (case insensitive).