| 1 | #ifndef __LINUX_STRINGIFY_H |
| 2 | #define __LINUX_STRINGIFY_H |
| 3 | /* |
| 4 | * Copyright (C) 2009 Zhaolei <zhaolei@cn.fujitsu.com> |
| 5 | * |
| 6 | * This library is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU Lesser General Public |
| 8 | * License as published by the Free Software Foundation; |
| 9 | * version 2.1 of the License. |
| 10 | * |
| 11 | * This library is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | * Lesser General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU Lesser General Public |
| 17 | * License along with this library; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 19 | */ |
| 20 | |
| 21 | /* Indirect stringification. Doing two levels allows the parameter to be a |
| 22 | * macro itself. For example, compile with -DFOO=bar, __stringify(FOO) |
| 23 | * converts to "bar". |
| 24 | */ |
| 25 | |
| 26 | #define __stringify_1(x...) #x |
| 27 | #define __stringify(x...) __stringify_1(x) |
| 28 | |
| 29 | #endif /* !__LINUX_STRINGIFY_H */ |