NTSTATUS NTAPI RtlAnsiStringToUnicodeString	(	IN OUT PUNICODE_STRING	UniDest,
		IN PANSI_STRING	AnsiSource,
		IN BOOLEAN	AllocateDestinationString
	)

Definition at line 76 of file rtl.c.

{
    ULONG Length;
    PUCHAR WideString;
    USHORT i;

    Length = AnsiSource->Length * sizeof(WCHAR);
    if (Length > MAXUSHORT) return STATUS_INVALID_PARAMETER_2;
    UniDest->Length = (USHORT)Length;

    if (AllocateDestinationString)
    {
        UniDest->MaximumLength = (USHORT)Length + sizeof(WCHAR);
        UniDest->Buffer = (PWSTR) malloc(UniDest->MaximumLength);
        if (!UniDest->Buffer)
            return STATUS_NO_MEMORY;
    }
    else if (UniDest->Length >= UniDest->MaximumLength)
    {
        return STATUS_BUFFER_OVERFLOW;
    }

    WideString = (PUCHAR)UniDest->Buffer;
    for (i = 0; i <= AnsiSource->Length; i++)
    {
        WideString[2 * i + 0] = AnsiSource->Buffer[i];
        WideString[2 * i + 1] = 0;
    }
    return STATUS_SUCCESS;
}

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