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RtlLongLongSub function (ntintsafe.h)

  • Article

Subtracts one value of type LONGLONG from another.

Syntax

NTSTATUS RtlLongLongSub(
  [in]  LONGLONG llMinuend,
  [in]  LONGLONG llSubtrahend,
  [out] LONGLONG *pllResult
);

Parameters

[in] llMinuend

The value from which llSubtrahend is subtracted.

[in] llSubtrahend

The value to subtract from llMinuend.

[out] pllResult

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.

This function uses the following alternate name:

  • RtlIntPtrSub
  • RtlLongPtrSub
  • RtlLong64Sub
  • RtlInt64Sub
  • RtlPtrdiffTSub
  • RtlSSIZETSub

Requirements

Requirement Value
Target Platform Desktop
Header ntintsafe.h