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RtlUIntPtrSub function

Subtracts one value of type UINT_PTR from another.

Syntax


NTSTATUS RtlUIntPtrSub(
  _In_   UINT_PTR uMinuend,
  _In_   UINT_PTR uSubtrahend,
  _Out_  UINT_PTR *puResult
);

Parameters

uMinuend [in]

The value from which uSubtrahend is subtracted.

uSubtrahend [in]

The value to subtract from uMinuend.

puResult [out]

A pointer to the result. If the operation results in a value that overflows or underflows the capacity of the type, the function returns STATUS_INTEGER_OVERFLOW and this parameter is not valid.

Remarks

This is one of a set of inline functions designed to provide arithmetic operations and perform validity checks with minimal impact on performance.

This function uses the following alternate name:

  • RtlUIntPtrSub
  • RtlULongPtrSub
  • RtlDWordPtrSub
  • RtlSIZETSub
  • RtlDWordLongSub
  • RtlULong64Sub
  • RtlDWord64Sub
  • RtlUInt64Sub

Requirements

Header

Ntintsafe.h

 

 

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