source: main/trunk/greenstone2/common-src/indexers/mg/lib/netorder.h@ 22257

Last change on this file since 22257 was 22257, checked in by davidb, 14 years ago

Minor tweak to support MinGW
  • Property svn:executable set to *
  • Property svn:keywords set to Author Date Id Revision
File size: 9.1 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
14#ifndef WORDS_BIGENDIAN
15
16/* double */
17#define HTOND(d) \
18 do { \
19 unsigned long tmph, tmpl; \
20 bcopy ((char *) &d, (char *) &tmph, sizeof(double) >> 1); \
21 bcopy ((char *) &d + (sizeof(double) >> 1), (char *) &tmpl, sizeof (double) >> 1); \
22 tmph = htonl (tmph); \
23 tmpl = htonl (tmpl); \
24 bcopy ((char *) &tmpl, (char *) &d, sizeof (double) >> 1); \
25 bcopy ((char *) &tmph, (char *) &d + (sizeof(double) >> 1), sizeof (double) >> 1); \
26 }while(0)
27#define NTOHD(d) \
28 do { \
29 unsigned long tmph, tmpl; \
30 bcopy ((char *) &d, (char *) &tmph, sizeof(double) >> 1); \
31 bcopy ((char *) &d + (sizeof(double) >> 1), (char *) &tmpl, sizeof (double) >> 1); \
32 tmph = ntohl (tmph); \
33 tmpl = ntohl (tmpl); \
34 bcopy ((char *) &tmpl, (char *) &d, sizeof (double) >> 1); \
35 bcopy ((char *) &tmph, (char *) &d + (sizeof(double) >> 1), sizeof (double) >> 1); \
36 }while(0)
37#define HTOND2(hd, nd) \
38 do { \
39 unsigned long tmph, tmpl; \
40 bcopy ((char *) &hd, (char *) &tmph, sizeof(double) >> 1); \
41 bcopy ((char *) &hd + (sizeof(double) >> 1), (char *) &tmpl, sizeof (double) >> 1); \
42 tmph = htonl (tmph); \
43 tmpl = htonl (tmpl); \
44 bcopy ((char *) &tmpl, (char *) &nd, sizeof (double) >> 1); \
45 bcopy ((char *) &tmph, (char *) &nd + (sizeof(double) >> 1), sizeof (double) >> 1); \
46 }while(0)
47#define NTOHD2(nd, hd) \
48 do { \
49 unsigned long tmph, tmpl; \
50 bcopy ((char *) &nd, (char *) &tmph, sizeof(double) >> 1); \
51 bcopy ((char *) &nd + (sizeof(double) >> 1), (char *) &tmpl, sizeof (double) >> 1); \
52 tmph = ntohl (tmph); \
53 tmpl = ntohl (tmpl); \
54 bcopy ((char *) &tmpl, (char *) &hd, sizeof (double) >> 1); \
55 bcopy ((char *) &tmph, (char *) &hd + (sizeof(double) >> 1), sizeof (double) >> 1); \
56 }while(0)
57
58/* float */
59#define HTONF(f) \
60 do { \
61 unsigned long tmp; \
62 bcopy ((char *) &(f), (char *) &tmp, sizeof (float)); \
63 HTONUL (tmp); \
64 bcopy ((char *) &tmp, (char *) &(f), sizeof (float)); \
65 }while(0)
66#define NTOHF(f) \
67 do { \
68 unsigned long tmp; \
69 bcopy ((char *) &(f), (char *) &tmp, sizeof (float)); \
70 NTOHUL (tmp); \
71 bcopy ((char *) &tmp, (char *) &(f), sizeof (float)); \
72 }while(0)
73#define HTONF2(hf, nf) \
74 do { \
75 unsigned long tmp; \
76 bcopy ((char *) &(hf), (char *) &tmp, sizeof (float)); \
77 HTONUL (tmp); \
78 bcopy ((char *) &tmp, (char *) &(nf), sizeof (float)); \
79 }while(0)
80#define NTOHF2(nf, hf) \
81 do { \
82 unsigned long tmp; \
83 bcopy ((char *) &(nf), (char *) &tmp, sizeof (float)); \
84 NTOHUL (tmp); \
85 bcopy ((char *) &tmp, (char *) &(hf), sizeof (float)); \
86 }while(0)
87
88
89#ifdef __MINGW32__
90
91static inline short reverseShort(short s)
92{
93 unsigned char c1 = s & 255;
94 unsigned char c2 = (s >> 8) & 255;
95
96 return (c1 << 8) | c2;
97}
98
99static inline int reverseInt (int i)
100{
101 unsigned char c1 = i & 255;
102 unsigned char c2 = (i >> 8) & 255;
103 unsigned char c3 = (i >> 16) & 255;
104 unsigned char c4 = (i >> 24) & 255;
105
106 return ((int)c1 << 24) | ((int)c2 << 16) | ((int)c3 << 8) | c4;
107}
108
109#define htonl(l) reverseInt(l)
110#define htons(s) reverseShort(s)
111#define ntohl(l) reverseInt(l)
112#define ntohs(s) reverseShort(s)
113
114#endif
115
116/* pointers */
117#define HTONP(p) ((p) = (void *) htonl ((unsigned long) p))
118#define NTOHP(p) ((p) = (void *) ntohl ((unsigned long) p))
119#define HTONP2(hp, np) ((np) = (void *) htonl ((unsigned long) hp))
120#define NTOHP2(np, hp) ((hp) = (void *) ntohl ((unsigned long) np))
121
122/* unsigned long */
123#define HTONUL(l) ((l) = htonl((l)))
124#define NTOHUL(l) ((l) = ntohl((l)))
125#define HTONUL2(hl, nl) ((nl) = htonl ((hl)))
126#define NTOHUL2(nl, hl) ((hl) = ntohl ((nl)))
127
128/* signed long */
129#define HTONSL(l) ((l) = (long) htonl ((unsigned long) (l)))
130#define NTOHSL(l) ((l) = (long) ntohl ((unsigned long) (l)))
131#define HTONSL2(hl, nl) ((nl) = (long) htonl ((unsigned long) (hl)))
132#define NTOHSL2(nl, hl) ((hl) = (long) ntohl ((unsigned long) (nl)))
133
134/* unsigned int */
135#define HTONUI(i) ((i) = (unsigned int) htonl ((unsigned long) (i)))
136#define NTOHUI(i) ((i) = (unsigned int) ntohl ((unsigned long) (i)))
137#define HTONUI2(hi, ni) ((ni) = (unsigned int) htonl ((unsigned long) (hi)))
138#define NTOHUI2(ni, hi) ((hi) = (unsigned int) ntohl ((unsigned long) (ni)))
139
140/* signed int */
141#define HTONSI(i) ((i) = (int) htonl ((unsigned long) (i)))
142#define NTOHSI(i) ((i) = (int) ntohl ((unsigned long) (i)))
143#define HTONSI2(hi, ni) ((ni) = (int) htonl ((unsigned long) (hi)))
144#define NTOHSI2(ni, hi) ((hi) = (int) ntohl ((unsigned long) (ni)))
145
146/* unsigned short */
147#define HTONUS(s) ((s) = htons((s)))
148#define NTOHUS(s) ((s) = ntohs((s)))
149#define HTONUS2(hs, ns) ((ns) = htons((hs)))
150#define NTOHUS2(ns, hs) ((hs) = ntohs((ns)))
151
152#else /* WORDS_BIGENDIAN */
153
154/* double */
155#define HTOND(d) (d)
156#define NTOHD(d) (d)
157#define HTOND2(hd, nd) ((hd) = (nd))
158#define NTOHD2(nd, hd) ((nd) = (hd))
159
160/* float */
161#define HTONF(f) (f)
162#define NTOHF(f) (f)
163#define HTONF2(hf, nf) ((nf) = (hf))
164#define NTOHF2(nf, hf) ((hf) = (nf))
165
166/* pointers */
167#define HTONP(p) (p)
168#define NTOHP(p) (p)
169#define HTONP2(hp, np) ((np) = (hp))
170#define NTOHP2(np, hp) ((hp) = (np))
171
172/* unsigned long */
173#define HTONUL(l) (l)
174#define NTOHUL(l) (l)
175#define HTONUL2(hl, nl) ((nl) = (hl))
176#define NTOHUL2(nl, hl) ((hl) = (nl))
177
178/* signed long */
179#define HTONSL(l) (l)
180#define NTOHSL(l) (l)
181#define HTONSL2(hl, nl) ((nl) = (hl))
182#define NTOHSL2(nl, hl) ((hl) = (nl))
183
184/* unsigned int */
185#define HTONUI(i) (i)
186#define NTOHUI(i) (i)
187#define HTONUI2(hi, ni) ((ni) = (hi))
188#define NTOHUI2(ni, hi) ((hi) = (ni))
189
190/* signed int */
191#define HTONSI(i) (i)
192#define NTOHSI(i) (i)
193#define HTONSI2(hi, ni) ((ni) = (hi))
194#define NTOHSI2(ni, hi) ((hi) = (ni))
195
196/* unsigned short */
197#define HTONUS(s) (s)
198#define NTOHUS(s) (s)
199#define HTONUS2(hs, ns) ((ns) = (hs))
200#define NTOHUS2(ns, hs) ((hs) = (ns))
201
202
203
204#endif
205
206#endif /* netorder.h */
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