public Utf8StringHandle(string str)
: base(true)
{
IntPtr buffer;
if (str == null)
{
buffer = IntPtr.Zero;
}
else
{
if (str.Length == 0)
{
buffer = Marshal.AllocHGlobal(1);
unsafe
{
*(byte *)buffer = 0;
}
}
else
{
var strlen = Utf8.GetByteCount(str);
var strBuffer = new byte[strlen + 1];
Utf8.GetBytes(str, 0, str.Length, strBuffer, 0);
buffer = Marshal.AllocHGlobal(strBuffer.Length);
Marshal.Copy(strBuffer, 0, buffer, strBuffer.Length);
}
}
SetHandle(buffer);
}