namespace SyncPro

{

using System.Runtime.InteropServices;

internal static class NativeMethods

{

#region msvcrt

[DllImport("msvcrt.dll", CallingConvention = CallingConvention.Cdecl)]

public static extern int memcmp(byte[] b1, byte[] b2, long count);

public static bool ByteArrayEquals(byte[] b1, byte[] b2)

{

// If both buffers are null, then they are equal.

if (b1 == null && b2 == null)

{

return true;

}

// If either buffer is null (one is null and one is non-null), they aren't equal.

if (b1 == null || b2 == null)

{

return false;

}

// Validate buffers are the same length. This also ensures that the count does not exceed the length of either buffer.

return b1.Length == b2.Length && memcmp(b1, b2, b1.Length) == 0;

}

#endregion

}

}