1 /*
2 * Copyright (C) 2012 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
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
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 * * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #ifndef WTF_ByteOrder_h
32 #define WTF_ByteOrder_h
33
34 #if OS(POSIX)
35 #include <arpa/inet.h>
36 #endif
37
38 #if OS(WIN)
39
40 #include "wtf/ByteSwap.h"
41 #include "wtf/CPU.h"
42
43 #if CPU(BIG_ENDIAN)
ntohs(uint16_t x)44 inline uint16_t ntohs(uint16_t x) { return x; }
htons(uint16_t x)45 inline uint16_t htons(uint16_t x) { return x; }
ntohl(uint32_t x)46 inline uint32_t ntohl(uint32_t x) { return x; }
htonl(uint32_t x)47 inline uint32_t htonl(uint32_t x) { return x; }
48 #elif CPU(MIDDLE_ENDIAN)
ntohs(uint16_t x)49 inline uint16_t ntohs(uint16_t x) { return x; }
htons(uint16_t x)50 inline uint16_t htons(uint16_t x) { return x; }
ntohl(uint32_t x)51 inline uint32_t ntohl(uint32_t x) { return WTF::wswap32(x); }
htonl(uint32_t x)52 inline uint32_t htonl(uint32_t x) { return WTF::wswap32(x); }
53 #else
ntohs(uint16_t x)54 inline uint16_t ntohs(uint16_t x) { return WTF::bswap16(x); }
htons(uint16_t x)55 inline uint16_t htons(uint16_t x) { return WTF::bswap16(x); }
ntohl(uint32_t x)56 inline uint32_t ntohl(uint32_t x) { return WTF::bswap32(x); }
htonl(uint32_t x)57 inline uint32_t htonl(uint32_t x) { return WTF::bswap32(x); }
58 #endif
59
60 #endif // OS(WIN)
61
62 #endif // WTF_ByteOrder_h
63