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ULongAdd function (intsafe.h)

Adds two values of type ULONG.

Syntax

HRESULT ULongAdd(
  [in]  ULONG ulAugend,
  [in]  ULONG ulAddend,
  [out] ULONG *pulResult
);

Parameters

[in] ulAugend

Type: ULONG

The first value in the equation.

[in] ulAddend

Type: ULONG

The value to add to ulAugend.

[out] pulResult

Type: ULONG*

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.

DWordAdd is an alias for this function.

Requirements

Requirement Value
Target Platform Windows
Header intsafe.h