X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fhuman.h;h=d6b6ed5b4b947d1dd66426c431c2ce8b7ba0fda9;hb=32d1664e8e930d8fa6a29db4caac4d21623e42c8;hp=604fec1ba7f7bc1bd876fbbd123c3831b4b180e5;hpb=ac600b55c5015bdab12df91e8d0d408031bcbb60;p=gnulib.git diff --git a/lib/human.h b/lib/human.h index 604fec1ba..d6b6ed5b4 100644 --- a/lib/human.h +++ b/lib/human.h @@ -1,12 +1,12 @@ /* human.h -- print human readable file size - Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 Free - Software Foundation, Inc. + Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, + 2006, 2007, 2009, 2010 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 @@ -14,39 +14,31 @@ 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 and Larry McVoy. */ #ifndef HUMAN_H_ # define HUMAN_H_ 1 -# if HAVE_CONFIG_H -# include -# endif - # include # include +# include +# include -# if HAVE_INTTYPES_H -# include -# else -# if HAVE_STDINT_H -# include -# endif -# 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) \ - - MB_LEN_MAX + 3) + ((2 * sizeof (uintmax_t) * CHAR_BIT * 146 / 485 + 1) * (MB_LEN_MAX + 1) \ + - MB_LEN_MAX + 1 + 3) /* Options for human_readable. */ enum @@ -75,15 +67,18 @@ enum /* Prefer base 1024 to base 1000. */ human_base_1024 = 32, + /* Prepend " " before unit symbol. */ + human_space_before_unit = 64, + /* Append SI prefix, e.g. "k" or "M". */ - human_SI = 64, + human_SI = 128, /* Append "B" (if base 1000) or "iB" (if base 1024) to SI prefix. */ - human_B = 128 + human_B = 256 }; char *human_readable (uintmax_t, char *, int, uintmax_t, uintmax_t); -int human_options (char const *, bool, uintmax_t *); +enum strtol_error human_options (char const *, int *, uintmax_t *); #endif /* HUMAN_H_ */