| 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 */ |