| The Android Open Source Project | 1dc9e47 | 2009-03-03 19:28:35 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008 The Android Open Source Project |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
| 8 | * * Redistributions of source code must retain the above copyright |
| 9 | * notice, this list of conditions and the following disclaimer. |
| 10 | * * Redistributions in binary form must reproduce the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer in |
| 12 | * the documentation and/or other materials provided with the |
| 13 | * distribution. |
| 14 | * |
| 15 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 16 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 17 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| 18 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| 19 | * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 20 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| 21 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| 22 | * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| 23 | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| 24 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| 25 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 26 | * SUCH DAMAGE. |
| 27 | */ |
| Elliott Hughes | 203e13d | 2016-07-22 14:56:18 -0700 | [diff] [blame] | 28 | |
| Elliott Hughes | 462e90c | 2018-08-21 16:10:48 -0700 | [diff] [blame] | 29 | #pragma once |
| 30 | |
| 31 | /** |
| 32 | * @file byteswap.h |
| 33 | * @brief Byte-swapping macros. |
| 34 | */ |
| The Android Open Source Project | 1dc9e47 | 2009-03-03 19:28:35 -0800 | [diff] [blame] | 35 | |
| Elliott Hughes | 203e13d | 2016-07-22 14:56:18 -0700 | [diff] [blame] | 36 | #include <sys/cdefs.h> |
| Elliott Hughes | bf4c32d | 2015-10-26 17:51:42 -0700 | [diff] [blame] | 37 | #include <sys/endian.h> |
| The Android Open Source Project | 1dc9e47 | 2009-03-03 19:28:35 -0800 | [diff] [blame] | 38 | |
| Elliott Hughes | 462e90c | 2018-08-21 16:10:48 -0700 | [diff] [blame] | 39 | /** |
| 40 | * [bswap_16(3)](http://man7.org/linux/man-pages/man3/bswap_16.3.html) swaps the bytes in a |
| 41 | * 16-bit value. |
| 42 | */ |
| Elliott Hughes | bf4c32d | 2015-10-26 17:51:42 -0700 | [diff] [blame] | 43 | #define bswap_16(x) __swap16(x) |
| The Android Open Source Project | 1dc9e47 | 2009-03-03 19:28:35 -0800 | [diff] [blame] | 44 | |
| Elliott Hughes | 462e90c | 2018-08-21 16:10:48 -0700 | [diff] [blame] | 45 | /** |
| 46 | * [bswap_32(3)](http://man7.org/linux/man-pages/man3/bswap_32.3.html) swaps the bytes in a |
| 47 | * 32-bit value. |
| 48 | */ |
| 49 | #define bswap_32(x) __swap32(x) |
| 50 | |
| 51 | /** |
| 52 | * [bswap_64(3)](http://man7.org/linux/man-pages/man3/bswap_64.3.html) swaps the bytes in a |
| 53 | * 64-bit value. |
| 54 | */ |
| 55 | #define bswap_64(x) __swap64(x) |