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d4697bc9 | 1 | /* Copyright (C) 1997-2014 Free Software Foundation, Inc. |
ceb2d9aa | 2 | This file is part of the GNU C Library. |
28f540f4 | 3 | |
ceb2d9aa | 4 | The GNU C Library is free software; you can redistribute it and/or |
41bdb6e2 AJ |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
28f540f4 | 8 | |
ceb2d9aa UD |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
28f540f4 | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
28f540f4 | 17 | |
1522c368 UD |
18 | #ifndef _BYTESWAP_H |
19 | #define _BYTESWAP_H 1 | |
20 | ||
b1aa60f3 AJ |
21 | #include <features.h> |
22 | ||
1522c368 UD |
23 | /* Get the machine specific, optimized definitions. */ |
24 | #include <bits/byteswap.h> | |
25 | ||
26 | ||
27 | /* The following definitions must all be macros since otherwise some | |
28 | of the possible optimizations are not possible. */ | |
29 | ||
30 | /* Return a value with all bytes in the 16 bit argument swapped. */ | |
31 | #define bswap_16(x) __bswap_16 (x) | |
32 | ||
33 | /* Return a value with all bytes in the 32 bit argument swapped. */ | |
34 | #define bswap_32(x) __bswap_32 (x) | |
35 | ||
1522c368 | 36 | /* Return a value with all bytes in the 64 bit argument swapped. */ |
6a57d931 | 37 | #define bswap_64(x) __bswap_64 (x) |
28f540f4 | 38 | |
1522c368 | 39 | #endif /* byteswap.h */ |