octave-shane/gnulib-hg: lib/human.c annotate

annotate lib/human.c @ 5510:fd10cf72c81b

Import chamges from coreutils, so that the code now assumes that <locale.h> and its functions exist.

author	Paul Eggert <eggert@cs.ucla.edu>
date	Sun, 05 Dec 2004 06:50:15 +0000
parents	81e1a3092078
children	5b0578864f09

rev	line source
1137 2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	1 /* human.c -- print human readable file size
3688 0cd372c853e5 (suffixes): Prefer K to k for 1024. Jim Meyering <jim@meyering.net> parents: 2593 diff changeset	2
4985 41bd93f66780 (humblock): Inspect BLOCKSIZE if BLOCK_SIZE isn't set. Paul Eggert <eggert@cs.ucla.edu> parents: 4788 diff changeset	3 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
41bd93f66780 (humblock): Inspect BLOCKSIZE if BLOCK_SIZE isn't set. Paul Eggert <eggert@cs.ucla.edu> parents: 4788 diff changeset	4 Free Software Foundation, Inc.
1137 2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	5
2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	6 This program is free software; you can redistribute it and/or modify
2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	7 it under the terms of the GNU General Public License as published by
2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	8 the Free Software Foundation; either version 2, or (at your option)
2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	9 any later version.
2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	10
2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	11 This program is distributed in the hope that it will be useful,
2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	12 but WITHOUT ANY WARRANTY; without even the implied warranty of
2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	14 GNU General Public License for more details.
2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	15
2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	16 You should have received a copy of the GNU General Public License
2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	17 along with this program; if not, write to the Free Software Foundation,
2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	18 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	19
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	20 /* Written by Paul Eggert and Larry McVoy. */
1137 2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	21
1391 c9a7b76bd443 * lib/human.c, lib/human.h (human_readable): Coalesce last two args Jim Meyering <jim@meyering.net> parents: 1142 diff changeset	22 #if HAVE_CONFIG_H
c9a7b76bd443 * lib/human.c, lib/human.h (human_readable): Coalesce last two args Jim Meyering <jim@meyering.net> parents: 1142 diff changeset	23 # include <config.h>
c9a7b76bd443 * lib/human.c, lib/human.h (human_readable): Coalesce last two args Jim Meyering <jim@meyering.net> parents: 1142 diff changeset	24 #endif
1137 2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	25
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	26 #include "human.h"
1137 2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	27
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	28 #ifndef SIZE_MAX
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	29 # define SIZE_MAX ((size_t) -1)
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	30 #endif
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	31 #ifndef UINTMAX_MAX
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	32 # define UINTMAX_MAX ((uintmax_t) -1)
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	33 #endif
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	34
5510 fd10cf72c81b Import chamges from coreutils, so that the code now assumes Paul Eggert <eggert@cs.ucla.edu> parents: 5458 diff changeset	35 #include <locale.h>
4543 a6b4c227ffae Include stdio.h, for sprintf. Paul Eggert <eggert@cs.ucla.edu> parents: 4351 diff changeset	36 #include <stdio.h>
4658 6ef2ff78cbad Remove K&R cruft. Paul Eggert <eggert@cs.ucla.edu> parents: 4620 diff changeset	37 #include <stdlib.h>
6ef2ff78cbad Remove K&R cruft. Paul Eggert <eggert@cs.ucla.edu> parents: 4620 diff changeset	38 #include <string.h>
4543 a6b4c227ffae Include stdio.h, for sprintf. Paul Eggert <eggert@cs.ucla.edu> parents: 4351 diff changeset	39
3966 22d3032f0239 Include gettext.h instead of <libintl.h> with #ifdefs. Bruno Haible <bruno@clisp.org> parents: 3688 diff changeset	40 #include "gettext.h"
22d3032f0239 Include gettext.h instead of <libintl.h> with #ifdefs. Bruno Haible <bruno@clisp.org> parents: 3688 diff changeset	41 #define _(msgid) gettext (msgid)
1391 c9a7b76bd443 * lib/human.c, lib/human.h (human_readable): Coalesce last two args Jim Meyering <jim@meyering.net> parents: 1142 diff changeset	42
c9a7b76bd443 * lib/human.c, lib/human.h (human_readable): Coalesce last two args Jim Meyering <jim@meyering.net> parents: 1142 diff changeset	43 #include <argmatch.h>
c9a7b76bd443 * lib/human.c, lib/human.h (human_readable): Coalesce last two args Jim Meyering <jim@meyering.net> parents: 1142 diff changeset	44 #include <error.h>
1786 027e08403b18 Include xstrtol.h, not xstrtoul.h, since xstrtol.h now defines all the Jim Meyering <jim@meyering.net> parents: 1596 diff changeset	45 #include <xstrtol.h>
1137 2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	46
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	47 /* The maximum length of a suffix like "KiB". */
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	48 #define HUMAN_READABLE_SUFFIX_LENGTH_MAX 3
1137 2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	49
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	50 static const char power_letter[] =
1137 2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	51 {
2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	52 0, /* not used */
3688 0cd372c853e5 (suffixes): Prefer K to k for 1024. Jim Meyering <jim@meyering.net> parents: 2593 diff changeset	53 'K', /* kibi ('k' for kilo is a special case) */
0cd372c853e5 (suffixes): Prefer K to k for 1024. Jim Meyering <jim@meyering.net> parents: 2593 diff changeset	54 'M', /* mega or mebi */
0cd372c853e5 (suffixes): Prefer K to k for 1024. Jim Meyering <jim@meyering.net> parents: 2593 diff changeset	55 'G', /* giga or gibi */
0cd372c853e5 (suffixes): Prefer K to k for 1024. Jim Meyering <jim@meyering.net> parents: 2593 diff changeset	56 'T', /* tera or tebi */
0cd372c853e5 (suffixes): Prefer K to k for 1024. Jim Meyering <jim@meyering.net> parents: 2593 diff changeset	57 'P', /* peta or pebi */
0cd372c853e5 (suffixes): Prefer K to k for 1024. Jim Meyering <jim@meyering.net> parents: 2593 diff changeset	58 'E', /* exa or exbi */
0cd372c853e5 (suffixes): Prefer K to k for 1024. Jim Meyering <jim@meyering.net> parents: 2593 diff changeset	59 'Z', /* zetta or 2*70 /
0cd372c853e5 (suffixes): Prefer K to k for 1024. Jim Meyering <jim@meyering.net> parents: 2593 diff changeset	60 'Y' /* yotta or 2*80 /
1137 2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	61 };
2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	62
3688 0cd372c853e5 (suffixes): Prefer K to k for 1024. Jim Meyering <jim@meyering.net> parents: 2593 diff changeset	63
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	64 /* If INEXACT_STYLE is not human_round_to_nearest, and if easily
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	65 possible, adjust VALUE according to the style. */
3688 0cd372c853e5 (suffixes): Prefer K to k for 1024. Jim Meyering <jim@meyering.net> parents: 2593 diff changeset	66
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	67 static long double
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	68 adjust_value (int inexact_style, long double value)
2593 3ebe28cfe9b4 (adjust_value): New function. Jim Meyering <jim@meyering.net> parents: 2590 diff changeset	69 {
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	70 /* Do not use the floorl or ceill functions, as that would mean
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	71 checking for their presence and possibly linking with the
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	72 standard math library, which is a porting pain. So leave the
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	73 value alone if it is too large to easily round. */
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	74 if (inexact_style != human_round_to_nearest && value < UINTMAX_MAX)
2593 3ebe28cfe9b4 (adjust_value): New function. Jim Meyering <jim@meyering.net> parents: 2590 diff changeset	75 {
3ebe28cfe9b4 (adjust_value): New function. Jim Meyering <jim@meyering.net> parents: 2590 diff changeset	76 uintmax_t u = value;
3ebe28cfe9b4 (adjust_value): New function. Jim Meyering <jim@meyering.net> parents: 2590 diff changeset	77 value = u + (inexact_style == human_ceiling && u != value);
3ebe28cfe9b4 (adjust_value): New function. Jim Meyering <jim@meyering.net> parents: 2590 diff changeset	78 }
3ebe28cfe9b4 (adjust_value): New function. Jim Meyering <jim@meyering.net> parents: 2590 diff changeset	79
3ebe28cfe9b4 (adjust_value): New function. Jim Meyering <jim@meyering.net> parents: 2590 diff changeset	80 return value;
3ebe28cfe9b4 (adjust_value): New function. Jim Meyering <jim@meyering.net> parents: 2590 diff changeset	81 }
3ebe28cfe9b4 (adjust_value): New function. Jim Meyering <jim@meyering.net> parents: 2590 diff changeset	82
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	83 /* Group the digits of NUMBER according to the grouping rules of the
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	84 current locale. NUMBER contains NUMBERLEN digits. Modify the
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	85 bytes pointed to by NUMBER in place, subtracting 1 from NUMBER for
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	86 each byte inserted. Return the starting address of the modified
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	87 number.
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	88
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	89 To group the digits, use GROUPING and THOUSANDS_SEP as in `struct
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	90 lconv' from <locale.h>. */
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	91
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	92 static char *
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	93 group_number (char *number, size_t numberlen,
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	94 char const grouping, char const thousands_sep)
1863 e6b535c4a46e (human_readable): New function. Jim Meyering <jim@meyering.net> parents: 1848 diff changeset	95 {
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	96 register char *d;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	97 size_t grouplen = SIZE_MAX;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	98 size_t thousands_seplen = strlen (thousands_sep);
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	99 size_t i = numberlen;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	100
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	101 /* The maximum possible value for NUMBERLEN is the number of digits
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	102 in the square of the largest uintmax_t, so double the size of
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	103 uintmax_t before converting to a bound. 302 / 1000 is ceil
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	104 (log10 (2.0)). Add 1 for integer division truncation. */
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	105 char buf[2 * sizeof (uintmax_t) * CHAR_BIT * 302 / 1000 + 1];
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	106
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	107 memcpy (buf, number, numberlen);
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	108 d = number + numberlen;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	109
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	110 for (;;)
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	111 {
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	112 unsigned char g = *grouping;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	113
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	114 if (g)
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	115 {
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	116 grouplen = g < CHAR_MAX ? g : i;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	117 grouping++;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	118 }
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	119
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	120 if (i < grouplen)
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	121 grouplen = i;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	122
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	123 d -= grouplen;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	124 i -= grouplen;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	125 memcpy (d, buf + i, grouplen);
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	126 if (i == 0)
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	127 return d;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	128
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	129 d -= thousands_seplen;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	130 memcpy (d, thousands_sep, thousands_seplen);
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	131 }
1863 e6b535c4a46e (human_readable): New function. Jim Meyering <jim@meyering.net> parents: 1848 diff changeset	132 }
e6b535c4a46e (human_readable): New function. Jim Meyering <jim@meyering.net> parents: 1848 diff changeset	133
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	134 /* Convert N to a human readable format in BUF, using the options OPTS.
1142 ff40370aead6 (human_readable): Convert to ANSI-style definition. Jim Meyering <jim@meyering.net> parents: 1137 diff changeset	135
1391 c9a7b76bd443 * lib/human.c, lib/human.h (human_readable): Coalesce last two args Jim Meyering <jim@meyering.net> parents: 1142 diff changeset	136 N is expressed in units of FROM_BLOCK_SIZE. FROM_BLOCK_SIZE must
1848 afab915d3e18 (human_readable): Allow from_block_size to be zero. Jim Meyering <jim@meyering.net> parents: 1841 diff changeset	137 be nonnegative.
1391 c9a7b76bd443 * lib/human.c, lib/human.h (human_readable): Coalesce last two args Jim Meyering <jim@meyering.net> parents: 1142 diff changeset	138
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	139 Use units of TO_BLOCK_SIZE in the output number. TO_BLOCK_SIZE
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	140 must be positive.
1142 ff40370aead6 (human_readable): Convert to ANSI-style definition. Jim Meyering <jim@meyering.net> parents: 1137 diff changeset	141
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	142 Use (OPTS & (human_round_to_nearest \| human_floor \| human_ceiling))
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	143 to determine whether to take the ceiling or floor of any result
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	144 that cannot be expressed exactly.
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	145
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	146 If (OPTS & human_group_digits), group the thousands digits
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	147 according to the locale, e.g., `1,000,000' in an American English
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	148 locale.
1863 e6b535c4a46e (human_readable): New function. Jim Meyering <jim@meyering.net> parents: 1848 diff changeset	149
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	150 If (OPTS & human_autoscale), deduce the output block size
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	151 automatically; TO_BLOCK_SIZE must be 1 but it has no effect on the
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	152 output. Use powers of 1024 if (OPTS & human_base_1024), and powers
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	153 of 1000 otherwise. For example, assuming powers of 1024, 8500
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	154 would be converted to 8.3, 133456345 to 127, 56990456345 to 53, and
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	155 so on. Numbers smaller than the power aren't modified.
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	156 human_autoscale is normally used together with human_SI.
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	157
5458 81e1a3092078 Import from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 5159 diff changeset	158 If (OPTS & human_space_before_unit), use a space to separate the
81e1a3092078 Import from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 5159 diff changeset	159 number from any suffix that is appended as described below.
81e1a3092078 Import from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 5159 diff changeset	160
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	161 If (OPTS & human_SI), append an SI prefix indicating which power is
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	162 being used. If in addition (OPTS & human_B), append "B" (if base
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	163 1000) or "iB" (if base 1024) to the SI prefix. When ((OPTS &
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	164 human_SI) && ! (OPTS & human_autoscale)), TO_BLOCK_SIZE must be a
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	165 power of 1024 or of 1000, depending on (OPTS &
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	166 human_base_1024). */
1137 2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	167
2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	168 char *
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	169 human_readable (uintmax_t n, char *buf, int opts,
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	170 uintmax_t from_block_size, uintmax_t to_block_size)
1137 2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	171 {
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	172 int inexact_style =
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	173 opts & (human_round_to_nearest \| human_floor \| human_ceiling);
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	174 unsigned int base = opts & human_base_1024 ? 1024 : 1000;
1137 2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	175 uintmax_t amt;
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	176 int tenths;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	177 int exponent = -1;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	178 int exponent_max = sizeof power_letter - 1;
1137 2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	179 char *p;
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	180 char *psuffix;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	181 char const *integerlim;
1137 2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	182
2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	183 /* 0 means adjusted N == AMT.TENTHS;
2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	184 1 means AMT.TENTHS < adjusted N < AMT.TENTHS + 0.05;
2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	185 2 means adjusted N == AMT.TENTHS + 0.05;
2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	186 3 means AMT.TENTHS + 0.05 < adjusted N < AMT.TENTHS + 0.1. */
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	187 int rounding;
1137 2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	188
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	189 char const *decimal_point = ".";
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	190 size_t decimal_pointlen = 1;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	191 char const *grouping = "";
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	192 char const *thousands_sep = "";
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	193 struct lconv const *l = localeconv ();
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	194 size_t pointlen = strlen (l->decimal_point);
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	195 if (0 < pointlen && pointlen <= MB_LEN_MAX)
1391 c9a7b76bd443 * lib/human.c, lib/human.h (human_readable): Coalesce last two args Jim Meyering <jim@meyering.net> parents: 1142 diff changeset	196 {
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	197 decimal_point = l->decimal_point;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	198 decimal_pointlen = pointlen;
1391 c9a7b76bd443 * lib/human.c, lib/human.h (human_readable): Coalesce last two args Jim Meyering <jim@meyering.net> parents: 1142 diff changeset	199 }
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	200 grouping = l->grouping;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	201 if (strlen (l->thousands_sep) <= MB_LEN_MAX)
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	202 thousands_sep = l->thousands_sep;
1137 2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	203
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	204 psuffix = buf + LONGEST_HUMAN_READABLE - HUMAN_READABLE_SUFFIX_LENGTH_MAX;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	205 p = psuffix;
2590 a3c74265aa47 (human_readable_inexact): Allow an input block Jim Meyering <jim@meyering.net> parents: 2293 diff changeset	206
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	207 /* Adjust AMT out of FROM_BLOCK_SIZE units and into TO_BLOCK_SIZE
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	208 units. If this can be done exactly with integer arithmetic, do
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	209 not use floating point operations. */
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	210 if (to_block_size <= from_block_size)
1137 2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	211 {
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	212 if (from_block_size % to_block_size == 0)
1137 2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	213 {
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	214 uintmax_t multiplier = from_block_size / to_block_size;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	215 amt = n * multiplier;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	216 if (amt / multiplier == n)
1863 e6b535c4a46e (human_readable): New function. Jim Meyering <jim@meyering.net> parents: 1848 diff changeset	217 {
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	218 tenths = 0;
1863 e6b535c4a46e (human_readable): New function. Jim Meyering <jim@meyering.net> parents: 1848 diff changeset	219 rounding = 0;
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	220 goto use_integer_arithmetic;
1137 2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	221 }
2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	222 }
2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	223 }
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	224 else if (from_block_size != 0 && to_block_size % from_block_size == 0)
1137 2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	225 {
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	226 uintmax_t divisor = to_block_size / from_block_size;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	227 uintmax_t r10 = (n % divisor) * 10;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	228 uintmax_t r2 = (r10 % divisor) * 2;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	229 amt = n / divisor;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	230 tenths = r10 / divisor;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	231 rounding = r2 < divisor ? 0 < r2 : 2 + (divisor < r2);
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	232 goto use_integer_arithmetic;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	233 }
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	234
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	235 {
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	236 /* Either the result cannot be computed easily using uintmax_t,
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	237 or from_block_size is zero. Fall back on floating point.
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	238 FIXME: This can yield answers that are slightly off. */
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	239
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	240 long double dto_block_size = to_block_size;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	241 long double damt = n * (from_block_size / dto_block_size);
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	242 size_t buflen;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	243 size_t nonintegerlen;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	244
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	245 if (! (opts & human_autoscale))
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	246 {
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	247 sprintf (buf, "%.0Lf", adjust_value (inexact_style, damt));
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	248 buflen = strlen (buf);
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	249 nonintegerlen = 0;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	250 }
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	251 else
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	252 {
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	253 long double e = 1;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	254 exponent = 0;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	255
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	256 do
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	257 {
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	258 e *= base;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	259 exponent++;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	260 }
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	261 while (e * base <= damt && exponent < exponent_max);
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	262
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	263 damt /= e;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	264
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	265 sprintf (buf, "%.1Lf", adjust_value (inexact_style, damt));
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	266 buflen = strlen (buf);
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	267 nonintegerlen = decimal_pointlen + 1;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	268
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	269 if (1 + nonintegerlen + ! (opts & human_base_1024) < buflen
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	270 \|\| ((opts & human_suppress_point_zero)
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	271 && buf[buflen - 1] == '0'))
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	272 {
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	273 sprintf (buf, "%.0Lf",
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	274 adjust_value (inexact_style, damt * 10) / 10);
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	275 buflen = strlen (buf);
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	276 nonintegerlen = 0;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	277 }
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	278 }
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	279
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	280 p = psuffix - buflen;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	281 memmove (p, buf, buflen);
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	282 integerlim = p + buflen - nonintegerlen;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	283 }
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	284 goto do_grouping;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	285
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	286 use_integer_arithmetic:
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	287 {
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	288 /* The computation can be done exactly, with integer arithmetic.
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	289
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	290 Use power of BASE notation if requested and if adjusted AMT is
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	291 large enough. */
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	292
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	293 if (opts & human_autoscale)
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	294 {
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	295 exponent = 0;
1137 2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	296
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	297 if (base <= amt)
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	298 {
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	299 do
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	300 {
5159 a535859efd14 Merge from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4985 diff changeset	301 unsigned int r10 = (amt % base) * 10 + tenths;
a535859efd14 Merge from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4985 diff changeset	302 unsigned int r2 = (r10 % base) * 2 + (rounding >> 1);
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	303 amt /= base;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	304 tenths = r10 / base;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	305 rounding = (r2 < base
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	306 ? (r2 + rounding) != 0
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	307 : 2 + (base < r2 + rounding));
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	308 exponent++;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	309 }
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	310 while (base <= amt && exponent < exponent_max);
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	311
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	312 if (amt < 10)
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	313 {
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	314 if (inexact_style == human_round_to_nearest
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	315 ? 2 < rounding + (tenths & 1)
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	316 : inexact_style == human_ceiling && 0 < rounding)
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	317 {
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	318 tenths++;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	319 rounding = 0;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	320
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	321 if (tenths == 10)
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	322 {
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	323 amt++;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	324 tenths = 0;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	325 }
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	326 }
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	327
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	328 if (amt < 10
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	329 && (tenths \|\| ! (opts & human_suppress_point_zero)))
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	330 {
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	331 *--p = '0' + tenths;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	332 p -= decimal_pointlen;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	333 memcpy (p, decimal_point, decimal_pointlen);
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	334 tenths = rounding = 0;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	335 }
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	336 }
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	337 }
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	338 }
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	339
4620 b0acbb185a60 (human_readable): Fix bug that rounded 10501 to 10k. Paul Eggert <eggert@cs.ucla.edu> parents: 4543 diff changeset	340 if (inexact_style == human_round_to_nearest
b0acbb185a60 (human_readable): Fix bug that rounded 10501 to 10k. Paul Eggert <eggert@cs.ucla.edu> parents: 4543 diff changeset	341 ? 5 < tenths + (0 < rounding + (amt & 1))
b0acbb185a60 (human_readable): Fix bug that rounded 10501 to 10k. Paul Eggert <eggert@cs.ucla.edu> parents: 4543 diff changeset	342 : inexact_style == human_ceiling && 0 < tenths + rounding)
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	343 {
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	344 amt++;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	345
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	346 if ((opts & human_autoscale)
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	347 && amt == base && exponent < exponent_max)
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	348 {
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	349 exponent++;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	350 if (! (opts & human_suppress_point_zero))
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	351 {
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	352 *--p = '0';
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	353 p -= decimal_pointlen;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	354 memcpy (p, decimal_point, decimal_pointlen);
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	355 }
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	356 amt = 1;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	357 }
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	358 }
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	359
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	360 integerlim = p;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	361
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	362 do
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	363 {
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	364 int digit = amt % 10;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	365 *--p = digit + '0';
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	366 }
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	367 while ((amt /= 10) != 0);
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	368 }
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	369
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	370 do_grouping:
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	371 if (opts & human_group_digits)
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	372 p = group_number (p, integerlim - p, grouping, thousands_sep);
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	373
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	374 if (opts & human_SI)
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	375 {
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	376 if (exponent < 0)
1137 2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	377 {
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	378 uintmax_t power;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	379 exponent = 0;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	380 for (power = 1; power < to_block_size; power *= base)
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	381 if (++exponent == exponent_max)
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	382 break;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	383 }
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	384
5458 81e1a3092078 Import from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 5159 diff changeset	385 if ((exponent \| (opts & human_B)) && (opts & human_space_before_unit))
81e1a3092078 Import from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 5159 diff changeset	386 *psuffix++ = ' ';
81e1a3092078 Import from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 5159 diff changeset	387
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	388 if (exponent)
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	389 *psuffix++ = (! (opts & human_base_1024) && exponent == 1
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	390 ? 'k'
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	391 : power_letter[exponent]);
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	392
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	393 if (opts & human_B)
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	394 {
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	395 if ((opts & human_base_1024) && exponent)
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	396 *psuffix++ = 'i';
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	397 *psuffix++ = 'B';
1137 2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	398 }
2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	399 }
2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	400
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	401 *psuffix = '\0';
1137 2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	402
2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	403 return p;
2c9059ccc457 New file. The interface is inspired Jim Meyering <jim@meyering.net> parents: diff changeset	404 }
1391 c9a7b76bd443 * lib/human.c, lib/human.h (human_readable): Coalesce last two args Jim Meyering <jim@meyering.net> parents: 1142 diff changeset	405
c9a7b76bd443 * lib/human.c, lib/human.h (human_readable): Coalesce last two args Jim Meyering <jim@meyering.net> parents: 1142 diff changeset	406
c9a7b76bd443 * lib/human.c, lib/human.h (human_readable): Coalesce last two args Jim Meyering <jim@meyering.net> parents: 1142 diff changeset	407 /* The default block size used for output. This number may change in
c9a7b76bd443 * lib/human.c, lib/human.h (human_readable): Coalesce last two args Jim Meyering <jim@meyering.net> parents: 1142 diff changeset	408 the future as disks get larger. */
c9a7b76bd443 * lib/human.c, lib/human.h (human_readable): Coalesce last two args Jim Meyering <jim@meyering.net> parents: 1142 diff changeset	409 #ifndef DEFAULT_BLOCK_SIZE
c9a7b76bd443 * lib/human.c, lib/human.h (human_readable): Coalesce last two args Jim Meyering <jim@meyering.net> parents: 1142 diff changeset	410 # define DEFAULT_BLOCK_SIZE 1024
c9a7b76bd443 * lib/human.c, lib/human.h (human_readable): Coalesce last two args Jim Meyering <jim@meyering.net> parents: 1142 diff changeset	411 #endif
c9a7b76bd443 * lib/human.c, lib/human.h (human_readable): Coalesce last two args Jim Meyering <jim@meyering.net> parents: 1142 diff changeset	412
c9a7b76bd443 * lib/human.c, lib/human.h (human_readable): Coalesce last two args Jim Meyering <jim@meyering.net> parents: 1142 diff changeset	413 static char const *const block_size_args[] = { "human-readable", "si", 0 };
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	414 static int const block_size_opts[] =
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	415 {
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	416 human_autoscale + human_SI + human_base_1024,
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	417 human_autoscale + human_SI
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	418 };
1391 c9a7b76bd443 * lib/human.c, lib/human.h (human_readable): Coalesce last two args Jim Meyering <jim@meyering.net> parents: 1142 diff changeset	419
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	420 static uintmax_t
2008 2d8ab27e705c (default_block_size): New function. Jim Meyering <jim@meyering.net> parents: 1863 diff changeset	421 default_block_size (void)
2d8ab27e705c (default_block_size): New function. Jim Meyering <jim@meyering.net> parents: 1863 diff changeset	422 {
2d8ab27e705c (default_block_size): New function. Jim Meyering <jim@meyering.net> parents: 1863 diff changeset	423 return getenv ("POSIXLY_CORRECT") ? 512 : DEFAULT_BLOCK_SIZE;
2d8ab27e705c (default_block_size): New function. Jim Meyering <jim@meyering.net> parents: 1863 diff changeset	424 }
2d8ab27e705c (default_block_size): New function. Jim Meyering <jim@meyering.net> parents: 1863 diff changeset	425
1391 c9a7b76bd443 * lib/human.c, lib/human.h (human_readable): Coalesce last two args Jim Meyering <jim@meyering.net> parents: 1142 diff changeset	426 static strtol_error
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	427 humblock (char const spec, uintmax_t block_size, int *options)
1391 c9a7b76bd443 * lib/human.c, lib/human.h (human_readable): Coalesce last two args Jim Meyering <jim@meyering.net> parents: 1142 diff changeset	428 {
c9a7b76bd443 * lib/human.c, lib/human.h (human_readable): Coalesce last two args Jim Meyering <jim@meyering.net> parents: 1142 diff changeset	429 int i;
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	430 int opts = 0;
1391 c9a7b76bd443 * lib/human.c, lib/human.h (human_readable): Coalesce last two args Jim Meyering <jim@meyering.net> parents: 1142 diff changeset	431
4985 41bd93f66780 (humblock): Inspect BLOCKSIZE if BLOCK_SIZE isn't set. Paul Eggert <eggert@cs.ucla.edu> parents: 4788 diff changeset	432 if (! spec
41bd93f66780 (humblock): Inspect BLOCKSIZE if BLOCK_SIZE isn't set. Paul Eggert <eggert@cs.ucla.edu> parents: 4788 diff changeset	433 && ! (spec = getenv ("BLOCK_SIZE"))
41bd93f66780 (humblock): Inspect BLOCKSIZE if BLOCK_SIZE isn't set. Paul Eggert <eggert@cs.ucla.edu> parents: 4788 diff changeset	434 && ! (spec = getenv ("BLOCKSIZE")))
2008 2d8ab27e705c (default_block_size): New function. Jim Meyering <jim@meyering.net> parents: 1863 diff changeset	435 *block_size = default_block_size ();
1391 c9a7b76bd443 * lib/human.c, lib/human.h (human_readable): Coalesce last two args Jim Meyering <jim@meyering.net> parents: 1142 diff changeset	436 else
c9a7b76bd443 * lib/human.c, lib/human.h (human_readable): Coalesce last two args Jim Meyering <jim@meyering.net> parents: 1142 diff changeset	437 {
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	438 if (*spec == '\'')
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	439 {
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	440 opts \|= human_group_digits;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	441 spec++;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	442 }
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	443
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	444 if (0 <= (i = ARGMATCH (spec, block_size_args, block_size_opts)))
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	445 {
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	446 opts \|= block_size_opts[i];
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	447 *block_size = 1;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	448 }
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	449 else
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	450 {
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	451 char *ptr;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	452 strtol_error e = xstrtoumax (spec, &ptr, 0, block_size,
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	453 "eEgGkKmMpPtTyYzZ0");
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	454 if (e != LONGINT_OK)
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	455 return e;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	456 for (; ! ('0' <= spec && spec <= '9'); spec++)
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	457 if (spec == ptr)
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	458 {
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	459 opts \|= human_SI;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	460 if (ptr[-1] == 'B')
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	461 opts \|= human_B;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	462 if (ptr[-1] != 'B' \|\| ptr[-2] == 'i')
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	463 opts \|= human_base_1024;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	464 break;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	465 }
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	466 }
1391 c9a7b76bd443 * lib/human.c, lib/human.h (human_readable): Coalesce last two args Jim Meyering <jim@meyering.net> parents: 1142 diff changeset	467 }
c9a7b76bd443 * lib/human.c, lib/human.h (human_readable): Coalesce last two args Jim Meyering <jim@meyering.net> parents: 1142 diff changeset	468
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	469 *options = opts;
1391 c9a7b76bd443 * lib/human.c, lib/human.h (human_readable): Coalesce last two args Jim Meyering <jim@meyering.net> parents: 1142 diff changeset	470 return LONGINT_OK;
c9a7b76bd443 * lib/human.c, lib/human.h (human_readable): Coalesce last two args Jim Meyering <jim@meyering.net> parents: 1142 diff changeset	471 }
c9a7b76bd443 * lib/human.c, lib/human.h (human_readable): Coalesce last two args Jim Meyering <jim@meyering.net> parents: 1142 diff changeset	472
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	473 int
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	474 human_options (char const spec, bool report_errors, uintmax_t block_size)
1391 c9a7b76bd443 * lib/human.c, lib/human.h (human_readable): Coalesce last two args Jim Meyering <jim@meyering.net> parents: 1142 diff changeset	475 {
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	476 int opts;
d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	477 strtol_error e = humblock (spec, block_size, &opts);
2008 2d8ab27e705c (default_block_size): New function. Jim Meyering <jim@meyering.net> parents: 1863 diff changeset	478 if (*block_size == 0)
2d8ab27e705c (default_block_size): New function. Jim Meyering <jim@meyering.net> parents: 1863 diff changeset	479 {
2d8ab27e705c (default_block_size): New function. Jim Meyering <jim@meyering.net> parents: 1863 diff changeset	480 *block_size = default_block_size ();
2d8ab27e705c (default_block_size): New function. Jim Meyering <jim@meyering.net> parents: 1863 diff changeset	481 e = LONGINT_INVALID;
2d8ab27e705c (default_block_size): New function. Jim Meyering <jim@meyering.net> parents: 1863 diff changeset	482 }
1391 c9a7b76bd443 * lib/human.c, lib/human.h (human_readable): Coalesce last two args Jim Meyering <jim@meyering.net> parents: 1142 diff changeset	483 if (e != LONGINT_OK && report_errors)
c9a7b76bd443 * lib/human.c, lib/human.h (human_readable): Coalesce last two args Jim Meyering <jim@meyering.net> parents: 1142 diff changeset	484 STRTOL_FATAL_ERROR (spec, _("block size"), e);
4351 d0d257fdad20 Merge human.c changes from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4333 diff changeset	485 return opts;
1391 c9a7b76bd443 * lib/human.c, lib/human.h (human_readable): Coalesce last two args Jim Meyering <jim@meyering.net> parents: 1142 diff changeset	486 }

Mercurial > hg > octave-shane > gnulib-hg

annotate lib/human.c @ 5510:fd10cf72c81b