aboutsummaryrefslogtreecommitdiff
path: root/string/byteswap.h
blob: b1941914c04102c028bb301d28dbc5d9c5917b5f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

#ifndef _BYTESWAP_H
#define _BYTESWAP_H	1

#include <features.h>

/* Get the machine specific, optimized definitions.  */
#include <bits/byteswap.h>


/* The following definitions must all be macros since otherwise some
   of the possible optimizations are not possible.  */

/* Return a value with all bytes in the 16 bit argument swapped.  */
#define bswap_16(x) __bswap_16 (x)

/* Return a value with all bytes in the 32 bit argument swapped.  */
#define bswap_32(x) __bswap_32 (x)

/* Return a value with all bytes in the 64 bit argument swapped.  */
#define bswap_64(x) __bswap_64 (x)

#endif /* byteswap.h */