| 1 | /* Copyright (C) 1992-2022 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 | |
|---|
