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RtlLongToULong function (ntintsafe.h)

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Converts a value of type LONG to a value of type ULONG.

Syntax

NTSTATUS RtlLongToULong(
  [in]  LONG  lOperand,
  [out] ULONG *pulResult
);

Parameters

[in] lOperand

The value to be converted.

[out] pulResult

A pointer to the converted value. In the case where the conversion causes a truncation of the original value, 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 type conversions and perform validity checks with minimal impact on performance.

This function uses the following alternate name:

  • RtlLongToULongPtr
  • RtlLongToDWord

Requirements

Requirement Value
Target Platform Desktop
Header ntintsafe.h