1 /*
2 * nghttp2 - HTTP/2 C Library
3 *
4 * Copyright (c) 2012 Tatsuhiro Tsujikawa
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining
7 * a copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sublicense, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be
15 * included in all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 */
25 #ifndef NGHTTP2_NET_H
26 #define NGHTTP2_NET_H
27
28 #ifdef HAVE_CONFIG_H
29 # include <config.h>
30 #endif /* HAVE_CONFIG_H */
31
32 #ifdef HAVE_ARPA_INET_H
33 # include <arpa/inet.h>
34 #endif /* HAVE_ARPA_INET_H */
35
36 #ifdef HAVE_NETINET_IN_H
37 # include <netinet/in.h>
38 #endif /* HAVE_NETINET_IN_H */
39
40 #include <nghttp2/nghttp2.h>
41
42 #if defined(WIN32)
43 /* Windows requires ws2_32 library for ntonl family functions. We
44 define inline functions for those function so that we don't have
45 dependeny on that lib. */
46
47 # ifdef _MSC_VER
48 # define STIN static __inline
49 # else
50 # define STIN static inline
51 # endif
52
htonl(uint32_t hostlong)53 STIN uint32_t htonl(uint32_t hostlong) {
54 uint32_t res;
55 unsigned char *p = (unsigned char *)&res;
56 *p++ = hostlong >> 24;
57 *p++ = (hostlong >> 16) & 0xffu;
58 *p++ = (hostlong >> 8) & 0xffu;
59 *p = hostlong & 0xffu;
60 return res;
61 }
62
htons(uint16_t hostshort)63 STIN uint16_t htons(uint16_t hostshort) {
64 uint16_t res;
65 unsigned char *p = (unsigned char *)&res;
66 *p++ = hostshort >> 8;
67 *p = hostshort & 0xffu;
68 return res;
69 }
70
ntohl(uint32_t netlong)71 STIN uint32_t ntohl(uint32_t netlong) {
72 uint32_t res;
73 unsigned char *p = (unsigned char *)&netlong;
74 res = *p++ << 24;
75 res += *p++ << 16;
76 res += *p++ << 8;
77 res += *p;
78 return res;
79 }
80
ntohs(uint16_t netshort)81 STIN uint16_t ntohs(uint16_t netshort) {
82 uint16_t res;
83 unsigned char *p = (unsigned char *)&netshort;
84 res = *p++ << 8;
85 res += *p;
86 return res;
87 }
88
89 #endif /* WIN32 */
90
91 #endif /* NGHTTP2_NET_H */
92