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Reference for unit 'sysutils' (#rtl)

CompareMemRange

Compare 2 memory locations

Declaration

Source position: sysstrh.inc line 81

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.

CompareMemRange

Declaration

Description

Errors

See also