1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
/* Copyright (C) 1993,97,2002 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
/* Windows lacks htonl, htons, ntohl, ntohs. It defines them in
* header files, but doesn't have them in any library. However
* because it defined them we can end up with conflicting
* definitions, which is why here we are careful to avoid
* including any Windows header file.
*/
#include <config.h>
#include <stdint.h>
#include <sys/param.h>
#include <byteswap.h>
#ifndef HAVE_NTOHL
#undef htonl
#undef ntohl
uint32_t
htonl (x)
uint32_t x;
{
#if defined(BYTE_ORDER) && defined(BIG_ENDIAN) && defined(LITTLE_ENDIAN)
#if BYTE_ORDER == BIG_ENDIAN
return x;
#elif BYTE_ORDER == LITTLE_ENDIAN
return bswap_32 (x);
#else
# error "What kind of system is this?"
#endif
#else
#error "BYTE_ORDER/BIG_ENDIAN/LITTLE_ENDIAN are not defined"
#endif
}
uint32_t ntohl (uint32_t x) { return htonl (x); }
#endif /* !HAVE_NTOHL */
#ifndef HAVE_NTOHS
#undef htons
#undef ntohs
uint16_t
htons (x)
uint16_t x;
{
#if defined(BYTE_ORDER) && defined(BIG_ENDIAN) && defined(LITTLE_ENDIAN)
#if BYTE_ORDER == BIG_ENDIAN
return x;
#elif BYTE_ORDER == LITTLE_ENDIAN
return bswap_16 (x);
#else
# error "What kind of system is this?"
#endif
#else
#error "BYTE_ORDER/BIG_ENDIAN/LITTLE_ENDIAN are not defined"
#endif
}
uint16_t ntohs (uint16_t x) { return htons (x); }
#endif /* !HAVE_NTOHS */
|