ULongLongAdd function (intsafe.h)

Adds two values of type SIZE_T.

Syntax

HRESULT ULongLongAdd(
 [in] ULONGLONG ullAugend,
 [in] ULONGLONG ullAddend,
 [out] ULONGLONG *pullResult
);

Parameters

[in] ullAugend

Type: SIZE_T

The first value in the equation.

[in] ullAddend

Type: SIZE_T

The value to add to cbAugend.

[out] pullResult

Type: SIZE_T*

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