xref: /freebsd/crypto/heimdal/lib/roken/parse_bytes.c (revision b1f9167f94059fd55c630891d359bcff987bd7eb)
1 /*
2  * Copyright (c) 1999 Kungliga Tekniska Högskolan
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 #include <config.h>
35 
36 #include <parse_units.h>
37 #include "parse_bytes.h"
38 
39 static struct units bytes_units[] = {
40     { "gigabyte", 1024 * 1024 * 1024 },
41     { "gbyte", 1024 * 1024 * 1024 },
42     { "GB", 1024 * 1024 * 1024 },
43     { "megabyte", 1024 * 1024 },
44     { "mbyte", 1024 * 1024 },
45     { "MB", 1024 * 1024 },
46     { "kilobyte", 1024 },
47     { "KB", 1024 },
48     { "byte", 1 },
49     { NULL, 0 }
50 };
51 
52 static struct units bytes_short_units[] = {
53     { "GB", 1024 * 1024 * 1024 },
54     { "MB", 1024 * 1024 },
55     { "KB", 1024 },
56     { NULL, 0 }
57 };
58 
59 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
60 parse_bytes (const char *s, const char *def_unit)
61 {
62     return parse_units (s, bytes_units, def_unit);
63 }
64 
65 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
66 unparse_bytes (int t, char *s, size_t len)
67 {
68     return unparse_units (t, bytes_units, s, len);
69 }
70 
71 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
72 unparse_bytes_short (int t, char *s, size_t len)
73 {
74     return unparse_units_approx (t, bytes_short_units, s, len);
75 }
76