src/common/string-utils/format.h

   1 /*
   2  * Copyright (C) 2019 Jérémie Galarneau <jeremie.galarneau@efficios.com>
   3  *
   4  * SPDX-License-Identifier: LGPL-2.1-only
   5  *
   6  */
   7
   8 #ifndef _STRING_UTILS_FORMAT_H
   9 #define _STRING_UTILS_FORMAT_H
  10
  11 /*
  12  * Maximal length of `val` when formatted in decimal.
  13  *
  14  * Note that this is an upper bound that can exceed the length
  15  * required to hold the largest textual value of `val`. Note that this length
  16  * assumes that no grouping/locale-aware formatting is performed (i.e. using
  17  * the `'` specifier in POSIX formatting functions).
  18  */
  19 #define MAX_INT_DEC_LEN(val)       ((3 * sizeof(val)) + 2)
  20
  21 #endif /* _STRING_UTILS_FORMAT_H */