[lttng-ust.git] / include / ust / kcompat / stringify.h

#ifndef __LINUX_STRINGIFY_H
#define __LINUX_STRINGIFY_H
/*
 * Copyright (C) 2009 Zhaolei <zhaolei@cn.fujitsu.com>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation;
 * version 2.1 of the License.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA

 */

/* Indirect stringification.  Doing two levels allows the parameter to be a
 * macro itself.  For example, compile with -DFOO=bar, __stringify(FOO)
 * converts to "bar".
 */

#define __stringify_1(x...)	#x
#define __stringify(x...)	__stringify_1(x)

#endif	/* !__LINUX_STRINGIFY_H */
Commit	Line	Data
22d72948 NC	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
f37142a4 MD	8	* License as published by the Free Software Foundation;
f37142a4 MD	9	* version 2.1 of the License.
22d72948 NC	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
	22	/* Indirect stringification. Doing two levels allows the parameter to be a
	23	* macro itself. For example, compile with -DFOO=bar, __stringify(FOO)
	24	* converts to "bar".
	25	*/
	26
	27	#define __stringify_1(x...) #x
	28	#define __stringify(x...) __stringify_1(x)
	29
	30	#endif /* !__LINUX_STRINGIFY_H */