pythonnet/src/runtime/Util.cs at master · sdpython/pythonnet · GitHub

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using System;

using System.Runtime.InteropServices;

namespace Python.Runtime

{

internal static class Util

{

internal const string UnstableApiMessage =

"This API is unstable, and might be changed or removed in the next minor release";

internal static Int64 ReadCLong(IntPtr tp, int offset)

{

// On Windows, a C long is always 32 bits.

if (Runtime.IsWindows || Runtime.Is32Bit)

{

return Marshal.ReadInt32(tp, offset);

}

else

{

return Marshal.ReadInt64(tp, offset);

}

internal static void WriteCLong(IntPtr type, int offset, Int64 flags)

{

if (Runtime.IsWindows || Runtime.Is32Bit)

{

Marshal.WriteInt32(type, offset, (Int32)(flags & 0xffffffffL));

}

else

{

Marshal.WriteInt64(type, offset, flags);

}

/// <summary>

/// Null-coalesce: if <paramref name="primary"/> parameter is not

/// <see cref="IntPtr.Zero"/>, return it. Otherwise return <paramref name="fallback"/>.

/// </summary>

internal static IntPtr Coalesce(this IntPtr primary, IntPtr fallback)

=> primary == IntPtr.Zero ? fallback : primary;

}

pythonnet/src/runtime/Util.cs at master · sdpython/pythonnet · GitHub

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