[lttng-tools.git] / src / common / string-utils / format.h

/*
 * Copyright (C) 2019 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License, version 2.1 only,
 * as published by the Free Software Foundation.
 *
 * 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
 */

#ifndef _STRING_UTILS_FORMAT_H
#define _STRING_UTILS_FORMAT_H

/*
 * Maximal length of `val` when formatted in decimal.
 *
 * Note that this is an upper bound that can exceed the length
 * required to hold the largest textual value of `val`. Note that this length
 * assumes that no grouping/locale-aware formatting is performed (i.e. using
 * the `'` specifier in POSIX formatting functions).
 */
#define MAX_INT_DEC_LEN(val)       ((3 * sizeof(val)) + 2)

#endif /* _STRING_UTILS_FORMAT_H */
Commit	Line	Data
40804255 JG	1	/*
	2	* Copyright (C) 2019 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
	3	*
	4	* This library is free software; you can redistribute it and/or modify it
	5	* under the terms of the GNU Lesser General Public License, version 2.1 only,
	6	* as published by the Free Software Foundation.
	7	*
	8	* This library is distributed in the hope that it will be useful, but WITHOUT
	9	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	10	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
	11	* for more details.
	12	*
	13	* You should have received a copy of the GNU Lesser General Public License
	14	* along with this library; if not, write to the Free Software Foundation,
	15	* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	16	*/
	17
	18	#ifndef _STRING_UTILS_FORMAT_H
	19	#define _STRING_UTILS_FORMAT_H
	20
	21	/*
	22	* Maximal length of `val` when formatted in decimal.
	23	*
	24	* Note that this is an upper bound that can exceed the length
	25	* required to hold the largest textual value of `val`. Note that this length
	26	* assumes that no grouping/locale-aware formatting is performed (i.e. using
	27	* the `'` specifier in POSIX formatting functions).
	28	*/
	29	#define MAX_INT_DEC_LEN(val) ((3 * sizeof(val)) + 2)
	30
	31	#endif /* _STRING_UTILS_FORMAT_H */