1/* Copyright (C) 1992-2020 Free Software Foundation, Inc. 
2 This file is part of the GNU C Library. 
3 
4 The GNU C Library is free software; you can redistribute it and/or 
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. 
8 
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 
12 Lesser General Public License for more details. 
13 
14 You should have received a copy of the GNU Lesser General Public 
15 License along with the GNU C Library; if not, see 
16 <https://www.gnu.org/licenses/>. */ 
17 
18#ifndef _ENDIAN_H 
19#define _ENDIAN_H 1 
20 
21#include <features.h> 
22 
23/* Get the definitions of __*_ENDIAN, __BYTE_ORDER, and __FLOAT_WORD_ORDER. */ 
24#include <bits/endian.h> 
25 
26#ifdef __USE_MISC 
27# define LITTLE_ENDIAN __LITTLE_ENDIAN 
28# define BIG_ENDIAN __BIG_ENDIAN 
29# define PDP_ENDIAN __PDP_ENDIAN 
30# define BYTE_ORDER __BYTE_ORDER 
31#endif 
32 
33#if defined __USE_MISC && !defined __ASSEMBLER__ 
34/* Conversion interfaces. */ 
35# include <bits/byteswap.h> 
36# include <bits/uintn-identity.h> 
37 
38# if __BYTE_ORDER == __LITTLE_ENDIAN 
39# define htobe16(x) __bswap_16 (x) 
40# define htole16(x) __uint16_identity (x) 
41# define be16toh(x) __bswap_16 (x) 
42# define le16toh(x) __uint16_identity (x) 
43 
44# define htobe32(x) __bswap_32 (x) 
45# define htole32(x) __uint32_identity (x) 
46# define be32toh(x) __bswap_32 (x) 
47# define le32toh(x) __uint32_identity (x) 
48 
49# define htobe64(x) __bswap_64 (x) 
50# define htole64(x) __uint64_identity (x) 
51# define be64toh(x) __bswap_64 (x) 
52# define le64toh(x) __uint64_identity (x) 
53 
54# else 
55# define htobe16(x) __uint16_identity (x) 
56# define htole16(x) __bswap_16 (x) 
57# define be16toh(x) __uint16_identity (x) 
58# define le16toh(x) __bswap_16 (x) 
59 
60# define htobe32(x) __uint32_identity (x) 
61# define htole32(x) __bswap_32 (x) 
62# define be32toh(x) __uint32_identity (x) 
63# define le32toh(x) __bswap_32 (x) 
64 
65# define htobe64(x) __uint64_identity (x) 
66# define htole64(x) __bswap_64 (x) 
67# define be64toh(x) __uint64_identity (x) 
68# define le64toh(x) __bswap_64 (x) 
69# endif 
70#endif 
71 
72#endif /* endian.h */ 
73