move more socket functions common to Winsock and BSD implementations to common code

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@56938 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/private/socket.h

@@ -0,0 +1,41 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        wx/private/socket.h
+// Purpose:     various wxSocket-related private declarations
+// Author:      Vadim Zeitlin
+// Created:     2008-11-23
+// RCS-ID:      $Id$
+// Copyright:   (c) 2008 Vadim Zeitlin <vadim@wxwidgets.org>
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_PRIVATE_SOCKET_H_
+#define _WX_PRIVATE_SOCKET_H_
+
+// these definitions are for MSW when we don't use configure, otherwise these
+// symbols are defined by configure
+#ifndef WX_SOCKLEN_T
+    #define WX_SOCKLEN_T int
+#endif
+
+#ifndef SOCKOPTLEN_T
+    #define SOCKOPTLEN_T int
+#endif
+
+// define some symbols which winsock.h defines but traditional BSD headers
+// don't
+#ifndef INVALID_SOCKET
+    #define INVALID_SOCKET (-1)
+#endif
+
+#ifndef SOCKET_ERROR
+    #define SOCKET_ERROR (-1)
+#endif
+
+#if wxUSE_IPV6
+    typedef struct sockaddr_storage wxSockAddr;
+#else
+    typedef struct sockaddr wxSockAddr;
+#endif
+
+#endif // _WX_PRIVATE_SOCKET_H_
+