X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Finttostr.h;h=1825f56478ed8c55183d432f19c5103ba4d4414d;hb=46380c372f75d7a8609c6646e48099a9b84f7ec2;hp=de2b164f6b1a06e04b5a2a6e8ff8a77b4c9b3c26;hpb=100a8e01f28671dd2f73a1541b1bbd15c9590947;p=gnulib.git diff --git a/lib/inttostr.h b/lib/inttostr.h index de2b164f6..1825f5647 100644 --- a/lib/inttostr.h +++ b/lib/inttostr.h @@ -1,11 +1,11 @@ /* inttostr.h -- convert integers to printable strings - Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc. + Copyright (C) 2001-2006, 2009-2011 Free Software Foundation, Inc. - This program is free software; you can redistribute it and/or modify + 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. + the Free Software Foundation; either version 3 of the License, 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 @@ -13,37 +13,34 @@ 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. */ + along with this program. If not, see . */ /* Written by Paul Eggert */ -#if HAVE_CONFIG_H -# include -#endif +#include +#include -#if HAVE_INTTYPES_H -# include -#endif +#include "intprops.h" -#if HAVE_LIMITS_H -# include -#endif -#ifndef CHAR_BIT -# define CHAR_BIT 8 +#ifndef __GNUC_PREREQ +# if defined __GNUC__ && defined __GNUC_MINOR__ +# define __GNUC_PREREQ(maj, min) \ + ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min)) +# else +# define __GNUC_PREREQ(maj, min) 0 +# endif #endif -#if HAVE_SYS_TYPES_H -# include +#if __GNUC_PREREQ (3,4) +# undef __attribute_warn_unused_result__ +# define __attribute_warn_unused_result__ \ + __attribute__ ((__warn_unused_result__)) +#else +# define __attribute_warn_unused_result__ /* empty */ #endif -/* 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 - 1) * 302 / 1000 + 2) - -#define INT_BUFSIZE_BOUND(t) (INT_STRLEN_BOUND (t) + 1) - -char *offtostr (off_t, char *); -char *imaxtostr (intmax_t, char *); -char *umaxtostr (uintmax_t, char *); +char *imaxtostr (intmax_t, char *) __attribute_warn_unused_result__; +char *inttostr (int, char *) __attribute_warn_unused_result__; +char *offtostr (off_t, char *) __attribute_warn_unused_result__; +char *uinttostr (unsigned int, char *) __attribute_warn_unused_result__; +char *umaxtostr (uintmax_t, char *) __attribute_warn_unused_result__;