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RtlSizeTSub function (ntintsafe.h)

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Subtracts one value of type SIZE_T from another.

Syntax

NTSTATUS RtlSizeTSub(
  [in]  size_t Minuend,
  [in]  size_t Subtrahend,
  [out] size_t *pResult
);

Parameters

[in] Minuend

The value from which Subtrahend is subtracted.

[in] Subtrahend

The value to subtract from Minuend.

[out] pResult

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

Return value

Returns STATUS_SUCCESS if the operation is successful.

See the implementation of this helper function in ntintsafe.h in the WDK for possible error return values.

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

Requirement Value
Target Platform Desktop
Header ntintsafe.h