RtlOemStringToCountedUnicodeSize macro (ntifs.h)

Article
02/22/2024

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

Syntax

void RtlOemStringToCountedUnicodeSize(
   STRING
);

Parameters

STRING

Pointer to a caller-allocated OEM string.

Return value

None

Remarks

RtlOemStringToCountedUnicodeSize can be called to determine how much memory to allocate when translating an OEM string to Unicode with RtlOemStringToCountedUnicodeString. The returned value does not include space for a NULL terminator for the Unicode string.

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

Requirements

Requirement	Value
Target Platform	Desktop
Header	ntifs.h (include Ntifs.h)
IRQL	< DISPATCH_LEVEL