2 * Copyright (C) 2019 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
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.
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
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
18 #ifndef _STRING_UTILS_FORMAT_H
19 #define _STRING_UTILS_FORMAT_H
22 * Maximal length of `val` when formatted in decimal.
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).
29 #define MAX_INT_DEC_LEN(val) ((3 * sizeof(val)) + 2)
31 #endif /* _STRING_UTILS_FORMAT_H */
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