freebsd-dev/contrib/tar/lib/human.h
2002-06-04 10:37:47 +00:00

40 lines
958 B
C

#ifndef HUMAN_H_
# define HUMAN_H_ 1
# if HAVE_CONFIG_H
# include <config.h>
# endif
# if HAVE_INTTYPES_H
# include <inttypes.h>
# endif
/* A conservative bound on the maximum length of a human-readable string.
The output can be the product of the largest uintmax_t and the largest int,
so add their sizes before converting to a bound on digits. */
# define LONGEST_HUMAN_READABLE ((sizeof (uintmax_t) + sizeof (int)) \
* CHAR_BIT / 3)
# ifndef PARAMS
# if defined PROTOTYPES || (defined __STDC__ && __STDC__)
# define PARAMS(Args) Args
# else
# define PARAMS(Args) ()
# endif
# endif
enum human_inexact_style
{
human_floor = -1,
human_round_to_even = 0,
human_ceiling = 1
};
char *human_readable PARAMS ((uintmax_t, char *, int, int));
char *human_readable_inexact PARAMS ((uintmax_t, char *, int, int,
enum human_inexact_style));
void human_block_size PARAMS ((char const *, int, int *));
#endif /* HUMAN_H_ */