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DWordPtrAdd function

Adds two values of type DWORD_PTR.

Syntax


HRESULT DWordPtrAdd(
  _In_   DWORD_PTR dwAugend,
  _In_   DWORD_PTR dwAddend,
  _Out_  DWORD_PTR *pdwResult
);

Parameters

dwAugend [in]

Type: DWORD_PTR

The first value in the equation.

dwAddend [in]

Type: DWORD_PTR

The value to add to dwAugend.

pdwResult [out]

Type: DWORD_PTR*

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

Return value

Type: HRESULT

If this function succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

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

Header

Intsafe.h

DLL

None

 

 

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