SIZETSub function

Subtracts one value of type SIZE_T from another.

Syntax

C++
Copy 

HRESULT SIZETSub(
  _In_  SIZE_T cbMinuend,
  _In_  SIZE_T cbSubtrahend,
  _Out_ SIZE_T *pcbResult
);

Parameters

cbMinuend [in]

Type: SIZE_T

The value from which cbSubtrahend is subtracted.

cbSubtrahend [in]

Type: SIZE_T

The value to subtract from cbMinuend.

pcbResult [out]

Type: SIZE_T*

A pointer to the result. 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

 

 

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