routine to get string for last WSA error on NT

servers/slapd/wsa_err.c

+#include <winsock2.h>
+
+#define __RETSTR( x ) case x: return #x;
+
+char *WSAGetErrorString( int err )
+{
+
+	switch( err )
+	{
+		__RETSTR( WSAEINTR )
+		__RETSTR( WSAEBADF )
+		__RETSTR( WSAEACCES )
+		__RETSTR( WSAEFAULT )
+		__RETSTR( WSAEINVAL )
+		__RETSTR( WSAEMFILE )
+		__RETSTR( WSAEWOULDBLOCK )
+		__RETSTR( WSAEINPROGRESS )
+		__RETSTR( WSAEALREADY )
+		__RETSTR( WSAENOTSOCK )
+		__RETSTR( WSAEDESTADDRREQ )
+		__RETSTR( WSAEMSGSIZE )
+		__RETSTR( WSAEPROTOTYPE )
+		__RETSTR( WSAENOPROTOOPT )
+		__RETSTR( WSAEPROTONOSUPPORT )
+		__RETSTR( WSAESOCKTNOSUPPORT )
+		__RETSTR( WSAEOPNOTSUPP )
+		__RETSTR( WSAEPFNOSUPPORT )
+		__RETSTR( WSAEAFNOSUPPORT )
+		__RETSTR( WSAEADDRINUSE )
+		__RETSTR( WSAEADDRNOTAVAIL )
+		__RETSTR( WSAENETDOWN )
+		__RETSTR( WSAENETUNREACH )
+		__RETSTR( WSAENETRESET )
+		__RETSTR( WSAECONNABORTED )
+		__RETSTR( WSAECONNRESET )
+		__RETSTR( WSAENOBUFS )
+		__RETSTR( WSAEISCONN )
+		__RETSTR( WSAENOTCONN )
+		__RETSTR( WSAESHUTDOWN )
+		__RETSTR( WSAETOOMANYREFS )
+		__RETSTR( WSAETIMEDOUT )
+		__RETSTR( WSAECONNREFUSED )
+		__RETSTR( WSAELOOP )
+		__RETSTR( WSAENAMETOOLONG )
+		__RETSTR( WSAEHOSTDOWN )
+		__RETSTR( WSAEHOSTUNREACH )
+		__RETSTR( WSAENOTEMPTY )
+		__RETSTR( WSAEPROCLIM )
+		__RETSTR( WSAEUSERS )
+		__RETSTR( WSAEDQUOT )
+		__RETSTR( WSAESTALE )
+		__RETSTR( WSAEREMOTE )
+		__RETSTR( WSASYSNOTREADY )
+		__RETSTR( WSAVERNOTSUPPORTED )
+		__RETSTR( WSANOTINITIALISED )
+		__RETSTR( WSAEDISCON )
+		__RETSTR( WSAENOMORE )
+		__RETSTR( WSAECANCELLED )
+		__RETSTR( WSAEINVALIDPROCTABLE )
+		__RETSTR( WSAEINVALIDPROVIDER )
+		__RETSTR( WSASYSCALLFAILURE )
+		__RETSTR( WSASERVICE_NOT_FOUND )
+		__RETSTR( WSATYPE_NOT_FOUND )
+		__RETSTR( WSA_E_NO_MORE )
+		__RETSTR( WSA_E_CANCELLED )
+		__RETSTR( WSAEREFUSED )
+
+		__RETSTR( WSAHOST_NOT_FOUND )
+		__RETSTR( WSATRY_AGAIN )
+		__RETSTR( WSANO_RECOVERY )
+		__RETSTR( WSANO_DATA )
+
+	}
+	return "unknown";
+}
+
+char *WSAGetLastErrorString( void )
+{
+	return WSAGetErrorString( WSAGetLastError() );
+}
+
+#undef __RETSTR
\ No newline at end of file