| 1 | /* Symbol concatenation utilities. |
| 2 | |
| 3 | Copyright (C) 1998, Free Software Foundation, Inc. |
| 4 | |
| 5 | This program is free software; you can redistribute it and/or modify |
| 6 | it under the terms of the GNU General Public License as published by |
| 7 | the Free Software Foundation; either version 2 of the License, or |
| 8 | (at your option) any later version. |
| 9 | |
| 10 | This program is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | GNU General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU General Public License along |
| 16 | with this program; if not, write to the Free Software Foundation, Inc., |
| 17 | 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
| 18 | |
| 19 | #ifndef SYM_CAT_H |
| 20 | #define SYM_CAT_H |
| 21 | |
| 22 | #if defined (__STDC__) || defined (ALMOST_STDC) |
| 23 | #define CONCAT2(a,b) a##b |
| 24 | #define CONCAT3(a,b,c) a##b##c |
| 25 | #define CONCAT4(a,b,c,d) a##b##c##d |
| 26 | #define STRINGX(s) #s |
| 27 | #else |
| 28 | #define CONCAT2(a,b) a/**/b |
| 29 | #define CONCAT3(a,b,c) a/**/b/**/c |
| 30 | #define CONCAT4(a,b,c,d) a/**/b/**/c/**/d |
| 31 | #define STRINGX(s) "?" |
| 32 | #endif |
| 33 | |
| 34 | #define XCONCAT2(a,b) CONCAT2(a,b) |
| 35 | #define XCONCAT3(a,b,c) CONCAT3(a,b,c) |
| 36 | #define XCONCAT4(a,b,c,d) CONCAT4(a,b,c,d) |
| 37 | |
| 38 | #define XSTRING(s) STRINGX(s) |
| 39 | |
| 40 | #endif SYM_CAT_H |