| /* Swap byte order for 16, 32 and 64 bit values |
| Copyright (C) 1997-2021 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 |
| <https://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, otherwise some |
| of the possible optimizations are not possible. */ |
| |
| /* Return a value with both 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 */ |
