1/* inttostr.h -- convert integers to printable strings
2
3   Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
4
5   This program is free software; you can redistribute it and/or modify
6   it under the terms of the GNU General Public License as published by
7   the Free Software Foundation; either version 2, or (at your option)
8   any later version.
9
10   This program is distributed in the hope that it will be useful,
11   but WITHOUT ANY WARRANTY; without even the implied warranty of
12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13   GNU General Public License for more details.
14
15   You should have received a copy of the GNU General Public License
16   along with this program; if not, write to the Free Software Foundation,
17   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
18
19/* Written by Paul Eggert */
20
21#if HAVE_CONFIG_H
22# include <config.h>
23#endif
24
25#if HAVE_INTTYPES_H
26# include <inttypes.h>
27#endif
28#if HAVE_STDINT_H
29# include <stdint.h>
30#endif
31
32#include <limits.h>
33
34#if HAVE_SYS_TYPES_H
35# include <sys/types.h>
36#endif
37
38/* Upper bound on the string length of an integer converted to string.
39   302 / 1000 is ceil (log10 (2.0)).  Subtract 1 for the sign bit;
40   add 1 for integer division truncation; add 1 more for a minus sign.  */
41#define INT_STRLEN_BOUND(t) ((sizeof (t) * CHAR_BIT - 1) * 302 / 1000 + 2)
42
43#define INT_BUFSIZE_BOUND(t) (INT_STRLEN_BOUND (t) + 1)
44
45char *offtostr (off_t, char *);
46char *imaxtostr (intmax_t, char *);
47char *umaxtostr (uintmax_t, char *);
48