ULLONG_MAX is not less than 2^64-1; and uintmax_t cannot be more narrow than unsigned long long. This allows for scale factors up to Exa inclusively. Use plain int for the scale index to be consistent with ifcmds.c and enum.
70 lines
2.1 KiB
C
70 lines
2.1 KiB
C
/*
|
|
* Copyright (c) 2003, Trent Nelson, <trent@arpa.com>.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef _CONVTBL_H_
|
|
#define _CONVTBL_H_
|
|
|
|
#include <sys/types.h>
|
|
#include <stdint.h>
|
|
|
|
#define BITS (1)
|
|
#define BYTES (1)
|
|
#define KILO (1024LL)
|
|
#define MEGA (KILO * 1024)
|
|
#define GIGA (MEGA * 1024)
|
|
|
|
enum scale {
|
|
SC_BYTE,
|
|
SC_KILOBYTE,
|
|
SC_MEGABYTE,
|
|
SC_GIGABYTE,
|
|
SC_BIT,
|
|
SC_KILOBIT,
|
|
SC_MEGABIT,
|
|
SC_GIGABIT,
|
|
SC_AUTO
|
|
};
|
|
|
|
#define BIT (8)
|
|
#define BYTE (1)
|
|
|
|
struct convtbl {
|
|
uintmax_t mul;
|
|
uintmax_t scale;
|
|
const char *str;
|
|
};
|
|
|
|
extern struct convtbl convtbl[];
|
|
|
|
extern double convert(const uintmax_t, const int);
|
|
extern const char *get_string(const uintmax_t, const int);
|
|
|
|
#endif /* ! _CONVTBL_H_ */
|