parse_bytes.c revision 120945 
1/*
2 * Copyright (c) 1999 Kungliga Tekniska H�gskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * 3. Neither the name of the Institute nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#ifdef HAVE_CONFIG_H
35#include <config.h>
36RCSID("$Id: parse_bytes.c,v 1.4 2003/03/07 15:51:53 lha Exp $");
37#endif
38
39#include <parse_units.h>
40#include "parse_bytes.h"
41
42static struct units bytes_units[] = {
43    { "gigabyte", 1024 * 1024 * 1024 },
44    { "gbyte", 1024 * 1024 * 1024 },
45    { "GB", 1024 * 1024 * 1024 },
46    { "megabyte", 1024 * 1024 },
47    { "mbyte", 1024 * 1024 },
48    { "MB", 1024 * 1024 },
49    { "kilobyte", 1024 },
50    { "KB", 1024 },
51    { "byte", 1 },
52    { NULL, 0 }
53};
54
55static struct units bytes_short_units[] = {
56    { "GB", 1024 * 1024 * 1024 },
57    { "MB", 1024 * 1024 },
58    { "KB", 1024 },
59    { NULL, 0 }
60};
61
62int
63parse_bytes (const char *s, const char *def_unit)
64{
65    return parse_units (s, bytes_units, def_unit);
66}
67
68int
69unparse_bytes (int t, char *s, size_t len)
70{
71    return unparse_units (t, bytes_units, s, len);
72}
73
74int
75unparse_bytes_short (int t, char *s, size_t len)
76{
77    return unparse_units_approx (t, bytes_short_units, s, len);
78}
79