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| 3846 | mejdrech | 1 | /* |
| 3912 | mejdrech | 2 | * Copyright (c) 2009 Lukas Mejdrech |
| 3846 | mejdrech | 3 | * All rights reserved. |
| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * |
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| 9 | * - Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * - Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * - The name of the author may not be used to endorse or promote products |
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| 15 | * derived from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |||
| 29 | /** @addtogroup net |
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| 30 | * @{ |
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| 31 | */ |
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| 32 | |||
| 33 | /** @file |
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| 34 | * Host - network byte order manipulation functions. |
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| 35 | */ |
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| 36 | |||
| 37 | #ifndef __NET_BYTEORDER_H__ |
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| 38 | #define __NET_BYTEORDER_H__ |
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| 39 | |||
| 40 | #include <byteorder.h> |
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| 41 | |||
| 42 | #ifdef ARCH_IS_BIG_ENDIAN |
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| 43 | |||
| 44 | // Already in the network byte order. |
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| 45 | |||
| 46 | /** Converts the given short number ( 16 bit ) from the host byte order to the network byte order ( big endian ). |
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| 47 | * @param number The number in the host byte order to be converted. |
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| 48 | * @returns The number in the network byte order. |
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| 49 | */ |
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| 50 | #define htons( number ) ( number ) |
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| 51 | |||
| 52 | /** Converts the given long number ( 32 bit ) from the host byte order to the network byte order ( big endian ). |
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| 53 | * @param number The number in the host byte order to be converted. |
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| 54 | * @returns The number in the network byte order. |
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| 55 | */ |
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| 56 | #define htonl( number ) ( number ) |
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| 57 | |||
| 58 | /** Converts the given short number ( 16 bit ) from the network byte order ( big endian ) to the host byte order. |
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| 59 | * @param number The number in the network byte order to be converted. |
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| 60 | * @returns The number in the host byte order. |
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| 61 | */ |
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| 62 | #define ntohs( number ) ( number ) |
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| 63 | |||
| 64 | /** Converts the given long number ( 32 bit ) from the network byte order ( big endian ) to the host byte order. |
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| 65 | * @param number The number in the network byte order to be converted. |
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| 66 | * @returns The number in the host byte order. |
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| 67 | */ |
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| 68 | #define ntohl( number ) ( number ) |
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| 69 | |||
| 70 | #else |
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| 71 | |||
| 72 | // Has to be swapped. |
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| 73 | |||
| 74 | /** Converts the given short number ( 16 bit ) from the host byte order to the network byte order ( big endian ). |
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| 75 | * @param number The number in the host byte order to be converted. |
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| 76 | * @returns The number in the network byte order. |
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| 77 | */ |
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| 78 | #define htons( number ) uint16_t_byteorder_swap( number ) |
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| 79 | |||
| 80 | /** Converts the given long number ( 32 bit ) from the host byte order to the network byte order ( big endian ). |
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| 81 | * @param number The number in the host byte order to be converted. |
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| 82 | * @returns The number in the network byte order. |
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| 83 | */ |
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| 84 | #define htonl( number ) uint32_t_byteorder_swap( number ) |
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| 85 | |||
| 86 | /** Converts the given short number ( 16 bit ) from the network byte order ( big endian ) to the host byte order. |
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| 87 | * @param number The number in the network byte order to be converted. |
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| 88 | * @returns The number in the host byte order. |
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| 89 | */ |
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| 90 | #define ntohs( number ) uint16_t_byteorder_swap( number ) |
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| 91 | |||
| 92 | /** Converts the given long number ( 32 bit ) from the network byte order ( big endian ) to the host byte order. |
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| 93 | * @param number The number in the network byte order to be converted. |
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| 94 | * @returns The number in the host byte order. |
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| 95 | */ |
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| 96 | #define ntohl( number ) uint32_t_byteorder_swap( number ) |
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| 97 | |||
| 98 | #endif |
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| 99 | |||
| 100 | #endif |
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| 101 | |||
| 102 | /** @} |
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| 103 | */ |