RtlUnicodeStringToOemSize macro (ntifs.h)

Article
02/22/2024

The RtlUnicodeStringToOemSize routine determines the size, in bytes, that a given Unicode string will be after it is translated into an OEM string.

Syntax

void RtlUnicodeStringToOemSize(
   STRING
);

Parameters

STRING

Pointer to a caller-allocated Unicode string.

Return value

None

Remarks

RtlUnicodeStringToOemSize can be called to determine how much memory to allocate when translating a Unicode string to OEM characters with RtlUnicodeStringToOemString or RtlUpcaseUnicodeStringToOemString. The returned value includes space for a NULL terminator for the OEM string.

For information about other string-handling routines, see Run-Time Library (RTL) Routines.

Requirements

Requirement	Value
Target Platform	Universal
Header	ntifs.h (include Ntifs.h)
Library	NtosKrnl.lib
DLL	NtosKrnl.exe
IRQL	< DISPATCH_LEVEL