source: trunk/mgpp/lib/netorder.h@ 3365

Last change on this file since 3365 was 3365, checked in by kjdon, 22 years ago

Initial revision
  • Property svn:executable set to *
  • Property svn:keywords set to Author Date Id Revision
File size: 8.4 KB
Line 
1#ifndef NETORDER_H
2#define NETORDER_H
3
4#include "sysfuncs.h"
5
6/* [RPAP - Feb 97: WIN32 Port] */
7#ifdef __WIN32__
8#include "win32in.h"
9#else
10# include <netinet/in.h>
11#endif
12
13#if defined (_BIG_ENDIAN) || (defined (BYTE_ORDER) && BYTE_ORDER == BIG_ENDIAN) || (defined (__BYTE_ORDER) && __BYTE_ORDER == __BIG_ENDIAN)
14# ifndef _BIG_ENDIAN
15# define _BIG_ENDIAN
16# endif
17#endif
18
19#if defined (_LITTLE_ENDIAN) || (defined (BYTE_ORDER) && BYTE_ORDER == LITTLE_ENDIAN) || (defined (__BYTE_ORDER) && __BYTE_ORDER == __LITTLE_ENDIAN)
20# ifndef _LITTLE_ENDIAN
21# define _LITTLE_ENDIAN
22# endif
23#endif
24
25#ifdef _LITTLE_ENDIAN
26
27/* double */
28#define HTOND(d) \
29 do { \
30 unsigned long tmph, tmpl; \
31 memcpy ((void *) &tmph, (const void *) &d, sizeof(double) >> 1); \
32 memcpy ((void *) &tmpl, (const void *) ((unsigned int) &d + (sizeof(double) >> 1)), sizeof (double) >> 1); \
33 tmph = htonl (tmph); \
34 tmpl = htonl (tmpl); \
35 memcpy ( (void *) &d, (const void *) &tmpl, sizeof (double) >> 1); \
36 memcpy ((void *) ((unsigned int) &d + (sizeof(double) >> 1)), (const void *) &tmph, sizeof (double) >> 1); \
37 }while(0)
38#define NTOHD(d) \
39 do { \
40 unsigned long tmph, tmpl; \
41 memcpy ((void *) &tmph, (const void *) &d, sizeof(double) >> 1); \
42 memcpy ((void *) &tmpl, (const void *) ((int) &d + (sizeof(double) >> 1)), sizeof (double) >> 1); \
43 tmph = ntohl (tmph); \
44 tmpl = ntohl (tmpl); \
45 memcpy((void *) &d, (const void *) &tmpl, sizeof (double) >> 1); \
46 memcpy ((void *) ((int) &d + (sizeof(double) >> 1)), (const void *) &tmph, sizeof (double) >> 1); \
47 }while(0)
48#define HTOND2(hd, nd) \
49 do { \
50 unsigned long tmph, tmpl; \
51 memcpy ((void *) &tmph, (const void *) &hd, sizeof(double) >> 1);\
52 memcpy ((void *) &tmpl, (const void *) ((unsigned int) &hd + (sizeof(double) >> 1)), sizeof (double) >> 1); \
53 tmph = htonl (tmph); \
54 tmpl = htonl (tmpl); \
55 memcpy((void *) &nd, (const void *) &tmpl, sizeof (double) >> 1);\
56 memcpy ((void *) ((unsigned int) &nd + (sizeof(double) >> 1)), (void *) &tmph, sizeof (double) >> 1); \
57 }while(0)
58#define NTOHD2(nd, hd) \
59 do { \
60 unsigned long tmph, tmpl; \
61 memcpy ((void *) &nd, (void *) &tmph, sizeof(double) >> 1); \
62 memcpy ((void *) &tmpl, (const void *) &nd + (sizeof(double) >> 1), sizeof (double) >> 1); \
63 tmph = ntohl (tmph); \
64 tmpl = ntohl (tmpl); \
65 memcpy((void *) &hd, (const void *) &tmpl, sizeof (double) >> 1);\
66 memcpy ((void *) &hd + (sizeof(double) >> 1), (const void *) &tmph, sizeof (double) >> 1); \
67 }while(0)
68
69/* float */
70#define HTONF(f) \
71 do { \
72 unsigned long tmp; \
73 memcpy ((void *) &tmp, (const void *) &(f), sizeof (float)); \
74 HTONUL (tmp); \
75 memcpy ((void *) &(f), (const void *) &tmp, sizeof (float)); \
76 }while(0)
77#define NTOHF(f) \
78 do { \
79 unsigned long tmp; \
80 memcpy ((void *) &tmp, (const void *) &(f), sizeof (float)); \
81 NTOHUL (tmp); \
82 memcpy ((void *) &(f), (const void *) &tmp, sizeof (float)); \
83 }while(0)
84#define HTONF2(hf, nf) \
85 do { \
86 unsigned long tmp; \
87 memcpy ((void *) &tmp, (const void *) &(hf), sizeof (float)); \
88 HTONUL (tmp); \
89 memcpy ((void *) &(nf), (const void *) &tmp, sizeof (float)); \
90 }while(0)
91#define NTOHF2(nf, hf) \
92 do { \
93 unsigned long tmp; \
94 memcpy ((void *) &tmp, (const void *) &(nf), sizeof (float)); \
95 NTOHUL (tmp); \
96 memcpy ((void *) &(hf), (const void *) &tmp, sizeof (float)); \
97 }while(0)
98
99/* pointers */
100#define HTONP(p) ((p) = (void *) htonl ((unsigned long) p))
101#define NTOHP(p) ((p) = (void *) ntohl ((unsigned long) p))
102#define HTONP2(hp, np) ((np) = (void *) htonl ((unsigned long) hp))
103#define NTOHP2(np, hp) ((hp) = (void *) ntohl ((unsigned long) np))
104
105/* unsigned long */
106#define HTONUL(l) ((l) = htonl((l)))
107#define NTOHUL(l) ((l) = ntohl((l)))
108#define HTONUL2(hl, nl) ((nl) = htonl ((hl)))
109#define NTOHUL2(nl, hl) ((hl) = ntohl ((nl)))
110
111/* signed long */
112#define HTONSL(l) ((l) = (long) htonl ((unsigned long) (l)))
113#define NTOHSL(l) ((l) = (long) ntohl ((unsigned long) (l)))
114#define HTONSL2(hl, nl) ((nl) = (long) htonl ((unsigned long) (hl)))
115#define NTOHSL2(nl, hl) ((hl) = (long) ntohl ((unsigned long) (nl)))
116
117/* unsigned int */
118#define HTONUI(i) ((i) = (unsigned int) htonl ((unsigned long) (i)))
119#define NTOHUI(i) ((i) = (unsigned int) ntohl ((unsigned long) (i)))
120#define HTONUI2(hi, ni) ((ni) = (unsigned int) htonl ((unsigned long) (hi)))
121#define NTOHUI2(ni, hi) ((hi) = (unsigned int) ntohl ((unsigned long) (ni)))
122
123/* signed int */
124#define HTONSI(i) ((i) = (int) htonl ((unsigned long) (i)))
125#define NTOHSI(i) ((i) = (int) ntohl ((unsigned long) (i)))
126#define HTONSI2(hi, ni) ((ni) = (int) htonl ((unsigned long) (hi)))
127#define NTOHSI2(ni, hi) ((hi) = (int) ntohl ((unsigned long) (ni)))
128
129/* unsigned short */
130#define HTONUS(s) ((s) = htons((s)))
131#define NTOHUS(s) ((s) = ntohs((s)))
132#define HTONUS2(hs, ns) ((ns) = htons((hs)))
133#define NTOHUS2(ns, hs) ((hs) = ntohs((ns)))
134
135#else /* _BIG_ENDIAN */
136
137/* double */
138#define HTOND(d) (d)
139#define NTOHD(d) (d)
140#define HTOND2(hd, nd) ((hd) = (nd))
141#define NTOHD2(nd, hd) ((nd) = (hd))
142
143/* float */
144#define HTONF(f) (f)
145#define NTOHF(f) (f)
146#define HTONF2(hf, nf) ((nf) = (hf))
147#define NTOHF2(nf, hf) ((hf) = (nf))
148
149/* pointers */
150#define HTONP(p) (p)
151#define NTOHP(p) (p)
152#define HTONP2(hp, np) ((np) = (hp))
153#define NTOHP2(np, hp) ((hp) = (np))
154
155/* unsigned long */
156#define HTONUL(l) (l)
157#define NTOHUL(l) (l)
158#define HTONUL2(hl, nl) ((nl) = (hl))
159#define NTOHUL2(nl, hl) ((hl) = (nl))
160
161/* signed long */
162#define HTONSL(l) (l)
163#define NTOHSL(l) (l)
164#define HTONSL2(hl, nl) ((nl) = (hl))
165#define NTOHSL2(nl, hl) ((hl) = (nl))
166
167/* unsigned int */
168#define HTONUI(i) (i)
169#define NTOHUI(i) (i)
170#define HTONUI2(hi, ni) ((ni) = (hi))
171#define NTOHUI2(ni, hi) ((hi) = (ni))
172
173/* signed int */
174#define HTONSI(i) (i)
175#define NTOHSI(i) (i)
176#define HTONSI2(hi, ni) ((ni) = (hi))
177#define NTOHSI2(ni, hi) ((hi) = (ni))
178
179/* unsigned short */
180#define HTONUS(s) (s)
181#define NTOHUS(s) (s)
182#define HTONUS2(hs, ns) ((ns) = (hs))
183#define NTOHUS2(ns, hs) ((hs) = (ns))
184
185
186
187#endif
188
189#endif /* netorder.h */
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