static int ByteArrayCompare(byte[] b1, byte[] b2)
{
if (b1.Length > b2.Length)
{
return(1);
}
else if (b1.Length < b2.Length)
{
return(-1);
}
return(Msvcrt.memcmp(b1, b2, b1.Length));
}
bool IsTransparentOrTruncatedFrame(byte[] buffer)
{
if (_videoBuffer.Length != _zeroBuffer.Length)
{
return(true);
}
// First check first 100 bytes - assuming that in most cases they will not be transparent
// and therefore this will avoid having to check the entire frame
if (IsStartTransparent(buffer, 100))
{
// If start is transparent compare the whole frame using P/invoke for performance
// We don't check the length as we already know that it is equal
return(Msvcrt.memcmp(buffer, _zeroBuffer, buffer.Length) == 0);
}
else
{
return(false);
}
}
public static void Initialize()
{
var baseHandler = Kernel32.AddVectoredExceptionHandler(IntPtr.Zero, BaseHandler);
if (baseHandler == IntPtr.Zero)
{
throw new Win32Exception("AddVectoredExceptionHandler failed");
}
var size = 32768;
if (!Kernel32.SetThreadStackGuarantee(&size))
{
throw new InsufficientExecutionStackException("SetThreadStackGuarantee failed", new Win32Exception());
}
if (Msvcrt._resetstkoflw() == 0)
{
throw new InvalidOperationException("_resetstkoflw failed");
}
}
public bool Equals(PinnedKey other)
{
if (other == null)
{
return(false);
}
if (ReferenceEquals(this, other))
{
return(true);
}
if (Algorithm != other.Algorithm)
{
return(false);
}
if (Fingerprint.Length != other.Fingerprint.Length)
{
return(false);
}
if (Msvcrt.memcmp(Fingerprint, other.Fingerprint, (UIntPtr)Fingerprint.Length) != 0)
{
return(false);
}
return(true);
}