1 /************************************************************************ 2 * RSTP library - Rapid Spanning Tree (802.1t, 802.1w) 3 * Copyright (C) 2001-2003 Optical Access 4 * Author: Alex Rozin 5 * 6 * This file is part of RSTP library. 7 * 8 * RSTP library is free software; you can redistribute it and/or modify it 9 * under the terms of the GNU Lesser General Public License as published by the 10 * Free Software Foundation; version 2.1 11 * 12 * RSTP library is distributed in the hope that it will be useful, but 13 * WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser 15 * General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public License 18 * along with RSTP library; see the file COPYING. If not, write to the Free 19 * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 20 * 02111-1307, USA. 21 **********************************************************************/ 22 23 #ifndef _STP_CHOOSE_H__ 24 #define _STP_CHOOSE_H__ 25 26 /* State machines states & debug tools. Sorry, if these are no readable enogth :( */ 27 28 #define CHOOSE(a) a 29 typedef enum STATES THE_STATE_T; 30 #undef CHOOSE 31 32 char * GET_STATE_NAME (int state) 33 { 34 #define CHOOSE(a) #a 35 static char *state_names[] = STATES; 36 #undef CHOOSE 37 38 if (BEGIN == state) return "Begin"; 39 return state_names[state]; 40 } 41 42 #endif /* _STP_CHOOSE_H__ */ 43