git://sourceware.org / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| dff8da6b | 1 | /* Copyright (C) 1992-2024 Free Software Foundation, Inc. |
| 54d79e99 UD |
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 | |
| 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. | |
| 54d79e99 UD |
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 | |
| 41bdb6e2 | 12 | Lesser General Public License for more details. |
| 54d79e99 | 13 | |
| 41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
| 59ba27a6 | 15 | License along with the GNU C Library; if not, see |
| 5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
| 28f540f4 RM |
17 | |
| 18 | #ifndef _ENDIAN_H | |
| 19 | #define _ENDIAN_H 1 | |
| 5107cf1d | 20 | |
| 28f540f4 RM |
21 | #include <features.h> |
| 22 | ||
| aa706e13 | 23 | /* Get the definitions of __*_ENDIAN, __BYTE_ORDER, and __FLOAT_WORD_ORDER. */ |
| 5107cf1d | 24 | #include <bits/endian.h> |
| 28f540f4 | 25 | |
| 0095a3e8 AF |
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__ | |
| 2f9a1be8 | 34 | /* Conversion interfaces. */ |
| e92799fc | 35 | # include <bits/byteswap.h> |
| 6a1cefac | 36 | # include <bits/uintn-identity.h> |
| e92799fc UD |
37 | |
| 38 | # if __BYTE_ORDER == __LITTLE_ENDIAN | |
| 39 | # define htobe16(x) __bswap_16 (x) | |
| 6a1cefac | 40 | # define htole16(x) __uint16_identity (x) |
| e92799fc | 41 | # define be16toh(x) __bswap_16 (x) |
| 6a1cefac | 42 | # define le16toh(x) __uint16_identity (x) |
| e92799fc UD |
43 | |
| 44 | # define htobe32(x) __bswap_32 (x) | |
| 6a1cefac | 45 | # define htole32(x) __uint32_identity (x) |
| e92799fc | 46 | # define be32toh(x) __bswap_32 (x) |
| 6a1cefac | 47 | # define le32toh(x) __uint32_identity (x) |
| e92799fc | 48 | |
| 6a57d931 | 49 | # define htobe64(x) __bswap_64 (x) |
| 6a1cefac | 50 | # define htole64(x) __uint64_identity (x) |
| 6a57d931 | 51 | # define be64toh(x) __bswap_64 (x) |
| 6a1cefac | 52 | # define le64toh(x) __uint64_identity (x) |
| b1aa60f3 | 53 | |
| e92799fc | 54 | # else |
| 6a1cefac | 55 | # define htobe16(x) __uint16_identity (x) |
| e92799fc | 56 | # define htole16(x) __bswap_16 (x) |
| 6a1cefac | 57 | # define be16toh(x) __uint16_identity (x) |
| e92799fc UD |
58 | # define le16toh(x) __bswap_16 (x) |
| 59 | ||
| 6a1cefac | 60 | # define htobe32(x) __uint32_identity (x) |
| e92799fc | 61 | # define htole32(x) __bswap_32 (x) |
| 6a1cefac | 62 | # define be32toh(x) __uint32_identity (x) |
| e92799fc UD |
63 | # define le32toh(x) __bswap_32 (x) |
| 64 | ||
| 6a1cefac | 65 | # define htobe64(x) __uint64_identity (x) |
| 6a57d931 | 66 | # define htole64(x) __bswap_64 (x) |
| 6a1cefac | 67 | # define be64toh(x) __uint64_identity (x) |
| 6a57d931 | 68 | # define le64toh(x) __bswap_64 (x) |
| e92799fc | 69 | # endif |
| 2f9a1be8 UD |
70 | #endif |
| 71 | ||
| 28f540f4 | 72 | #endif /* endian.h */ |