RtlDWordPtrSub function

Subtracts one value of type DWORD_PTR from another.

Syntax


NTSTATUS RtlDWordPtrSub(
  _In_  DWORD_PTR dwMinuend,
  _In_  DWORD_PTR dwSubtrahend,
  _Out_ DWORD_PTR *pdwResult
);

Parameters

dwMinuend [in]

The value from which dwSubtrahend is subtracted.

dwSubtrahend [in]

The value to subtract from dwMinuend.

pdwResult [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.

Requirements

Target platform

Desktop

Header

Ntintsafe.h

 

 

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