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