X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fhuman.h;h=902d5993553870c90ebe02f41e3e59f68312fd7b;hb=c7c220336bdebb2f0302e2a618a3537a80f8e979;hp=553d7ad1bccbaa601951bb63906485788eb5584f;hpb=8b41ecf750e4a20e65943a14ce80d4a01f663dce;p=gnulib.git diff --git a/lib/human.h b/lib/human.h index 553d7ad1b..902d59935 100644 --- a/lib/human.h +++ b/lib/human.h @@ -1,6 +1,6 @@ /* human.h -- print human readable file size - Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 + Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify @@ -15,37 +15,31 @@ 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. */ + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ /* Written by Paul Eggert and Larry McVoy. */ #ifndef HUMAN_H_ # define HUMAN_H_ 1 -# if HAVE_CONFIG_H -# include -# endif - # include # include # if HAVE_STDINT_H # include # endif -# if HAVE_UNISTD_H -# include -# endif +# include /* A conservative bound on the maximum length of a human-readable string. The output can be the square of the largest uintmax_t, so double its size before converting to a bound. - 302 / 1000 is ceil (log10 (2.0)). Add 1 for integer division truncation. + log10 (2.0) < 146/485. Add 1 for integer division truncation. Also, the output can have a thousands separator between every digit, so multiply by MB_LEN_MAX + 1 and then subtract MB_LEN_MAX. Append 1 for a space before the suffix. Finally, append 3, the maximum length of a suffix. */ # define LONGEST_HUMAN_READABLE \ - ((2 * sizeof (uintmax_t) * CHAR_BIT * 302 / 1000 + 1) * (MB_LEN_MAX + 1) \ + ((2 * sizeof (uintmax_t) * CHAR_BIT * 146 / 485 + 1) * (MB_LEN_MAX + 1) \ - MB_LEN_MAX + 1 + 3) /* Options for human_readable. */