DWordAdd function

Adds two values of type DWORD.

Syntax

HRESULT DWordAdd(
  _In_  DWORD dwAugend,
  _In_  DWORD dwAddend,
  _Out_ DWORD *pdwResult
);

Parameters

  • dwAugend [in]
    Type: DWORD

    The first value in the equation.

  • dwAddend [in]
    Type: DWORD

    The value to add to dwAugend.

  • pdwResult [out]
    Type: DWORD*

    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