1/* inttostr.h -- convert integers to printable strings 2 3 Copyright (C) 2001 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 29#if HAVE_LIMITS_H 30# include <limits.h> 31#endif 32#ifndef CHAR_BIT 33# define CHAR_BIT 8 34#endif 35 36#if HAVE_SYS_TYPES_H 37# include <sys/types.h> 38#endif 39 40#define TYPE_SIGNED(t) (! ((t) 0 < (t) -1)) 41 42/* Upper bound on the string length of an integer converted to string. 43 302 / 1000 is ceil (log10 (2.0)). Subtract 1 for the sign bit; 44 add 1 for integer division truncation; add 1 more for a minus sign. */ 45#define INT_STRLEN_BOUND(t) \ 46 ((sizeof (t) * CHAR_BIT - TYPE_SIGNED (t)) * 302 / 1000 + 1 + TYPE_SIGNED (t)) 47 48#define INT_BUFSIZE_BOUND(t) (INT_STRLEN_BOUND (t) + 1) 49 50#ifndef PARAMS 51# if defined PROTOTYPES || defined __STDC__ 52# define PARAMS(Args) Args 53# else 54# define PARAMS(Args) () 55# endif 56#endif 57 58char *offtostr PARAMS ((off_t, char *)); 59char *imaxtostr PARAMS ((intmax_t, char *)); 60char *umaxtostr PARAMS ((uintmax_t, char *)); 61