Imported Upstream version 1.23

[tar] / lib / human.h

diff --git a/lib/human.h b/lib/human.h
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-/* human.h -- print human readable file size
-
-   Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-   2005, 2006, 2007 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 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
-   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, see <http://www.gnu.org/licenses/>.  */
-
-/* Written by Paul Eggert and Larry McVoy.  */
-
-#ifndef HUMAN_H_
-# define HUMAN_H_ 1
-
-# include <limits.h>
-# include <stdbool.h>
-# include <stdint.h>
-# include <unistd.h>
-
-# include <xstrtol.h>
-
-/* 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.
-   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 * 146 / 485 + 1) * (MB_LEN_MAX + 1) \
-   - MB_LEN_MAX + 1 + 3)
-
-/* Options for human_readable.  */
-enum
-{
-  /* Unless otherwise specified these options may be ORed together.  */
-
-  /* The following three options are mutually exclusive.  */
-  /* Round to plus infinity (default).  */
-  human_ceiling = 0,
-  /* Round to nearest, ties to even.  */
-  human_round_to_nearest = 1,
-  /* Round to minus infinity.  */
-  human_floor = 2,
-
-  /* Group digits together, e.g. `1,000,000'.  This uses the
-     locale-defined grouping; the traditional C locale does not group,
-     so this has effect only if some other locale is in use.  */
-  human_group_digits = 4,
-
-  /* When autoscaling, suppress ".0" at end.  */
-  human_suppress_point_zero = 8,
-
-  /* Scale output and use SI-style units, ignoring the output block size.  */
-  human_autoscale = 16,
-
-  /* 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 = 128,
-
-  /* Append "B" (if base 1000) or "iB" (if base 1024) to SI prefix.  */
-  human_B = 256
-};
-
-char *human_readable (uintmax_t, char *, int, uintmax_t, uintmax_t);
-
-enum strtol_error human_options (char const *, int *, uintmax_t *);
-
-#endif /* HUMAN_H_ */