gstreamer/gstreamer-sharp/GError.cs

//
// Copyright (c) 2009 Sebastian Dröge <sebastian.droege@collabora.co.uk>
//
// This class implements some helper functions to handle GError
//

using System;
using System.Runtime.InteropServices;

namespace Gst {
  internal static class GError {
    public static string GetMessage (IntPtr error) {
      if (error == IntPtr.Zero)
        return String.Empty;

      IntPtr message = gstsharp_g_error_get_message (error);
      if (message == IntPtr.Zero)
        return String.Empty;

      return GLib.Marshaller.PtrToStringGFree (message);
    }

    public static void Free (IntPtr error) {
      if (error != IntPtr.Zero)
        g_error_free (error);
    }

    [DllImport ("gstreamersharpglue-0.10") ]
    static extern IntPtr gstsharp_g_error_get_message (IntPtr error);

    [DllImport ("glib-2.0.dll") ]
    static extern void g_error_free (IntPtr error);
  }
}