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RtlxAnsiStringToUnicodeSize function (wdm.h)

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The RtlxAnsiStringToUnicodeSize routine returns the number of bytes that are required for a null-terminated Unicode string that is equivalent to a specified ANSI string.

Syntax

NTSYSAPI ULONG RtlxAnsiStringToUnicodeSize(
  [in] PCANSI_STRING AnsiString
);

Parameters

[in] AnsiString

Pointer to the ANSI string for which to compute the number of bytes that are required for an equivalent null-terminated Unicode string.

Return value

RtlxAnsiStringToUnicodeSize returns the number of bytes that are required for an equivalent null-terminated Unicode string, if the ANSI string can be translated into an Unicode string by using the current system locale information. Otherwise, this routine returns zero.

Remarks

The ANSI string is interpreted for the current system locale.

Requirements

Requirement Value
Minimum supported client Available starting with Windows 2000.
Target Platform Universal
Header wdm.h (include Wdm.h)
Library NtosKrnl.lib
DLL NtosKrnl.exe
IRQL PASSIVE_LEVEL

See also

RtlAnsiStringToUnicodeSize