Branch data Line data Source code
1 : : /*
2 : : * Copyright (c) 2001 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 : : #include "roken.h"
36 : :
37 : : #ifndef HAVE_BSWAP32
38 : :
39 : : ROKEN_LIB_FUNCTION unsigned int ROKEN_LIB_CALL
40 : 0 : bswap32 (unsigned int val)
41 : : {
42 : 0 : return (val & 0xff) << 24 |
43 : 0 : (val & 0xff00) << 8 |
44 : 0 : (val & 0xff0000) >> 8 |
45 : 0 : (val & 0xff000000) >> 24;
46 : : }
47 : : #endif
48 : :
49 : : #ifndef HAVE_BSWAP16
50 : :
51 : : ROKEN_LIB_FUNCTION unsigned short ROKEN_LIB_CALL
52 : 0 : bswap16 (unsigned short val)
53 : : {
54 : 0 : return (val & 0xff) << 8 |
55 : : (val & 0xff00) >> 8;
56 : : }
57 : : #endif
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