/* $NetBSD: inttostr.h,v 1.1.1.1 2016/01/13 03:15:30 christos Exp $ */ /* inttostr.h -- convert integers to printable strings Copyright (C) 2001 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* Written by Paul Eggert */ #if HAVE_CONFIG_H # include #endif #if HAVE_INTTYPES_H # include #endif #if HAVE_LIMITS_H # include #endif #ifndef CHAR_BIT # define CHAR_BIT 8 #endif #if HAVE_SYS_TYPES_H # include #endif #define TYPE_SIGNED(t) (! ((t) 0 < (t) -1)) /* Upper bound on the string length of an integer converted to string. 302 / 1000 is ceil (log10 (2.0)). Subtract 1 for the sign bit; add 1 for integer division truncation; add 1 more for a minus sign. */ #define INT_STRLEN_BOUND(t) \ ((sizeof (t) * CHAR_BIT - TYPE_SIGNED (t)) * 302 / 1000 + 1 + TYPE_SIGNED (t)) #define INT_BUFSIZE_BOUND(t) (INT_STRLEN_BOUND (t) + 1) #ifndef PARAMS # if defined PROTOTYPES || defined __STDC__ # define PARAMS(Args) Args # else # define PARAMS(Args) () # endif #endif char *offtostr PARAMS ((off_t, char *)); char *imaxtostr PARAMS ((intmax_t, char *)); char *umaxtostr PARAMS ((uintmax_t, char *));