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467
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1 #include <stdio.h>
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448
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2
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3 int b[3] = {1,2,3};
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4
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5 struct temp {
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6 int a;
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7 int b;
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8 int c;
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9 int d;
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542
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10 struct hoge {
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11 int k;
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12 int j;
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13 } m;
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448
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14 int e;
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15 } temp1 = {
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16 // 101,
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17 // 102,
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18 // 103,
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19 // 104,
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20 // 105,
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21 .e = 5,
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22 .a = 3
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23 };
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24
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25 struct temp temp3 = {
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26 .c = (int)&b,
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27 .d = -10,
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28 .a = (int)b
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29 };
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30
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542
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31 struct temp temp4 = { 1,2,3,4,5,6,7};
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32 struct temp temp7 = { 1,2,3,4,{5,6},7};
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448
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33
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547
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34 void
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35 linux_kernel();
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448
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36
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542
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37 int
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448
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38 main()
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39 {
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40 struct temp temp2 = { .c = 5, .e=99 };
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542
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41 #ifdef WRONG
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42 struct temp temp5 = { 1,2,3,4,5,6,7,8};
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43 struct temp temp6 = { 1,2,3,4,5,6};
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44 #else
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45 struct temp temp5 = { 1,2,3,4,5,6,7};
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46 struct temp temp6 = { 1,2,3,4,5,6,7};
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47 struct temp temp8 = { 1,2,3,4,{5,6},7};
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48 #endif
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49 printf("#0042:1: %d\n",temp1.a);
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50 printf("#0043:1: %d\n",temp1.e);
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51 printf("#0044:1: %d\n",temp1.b);
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52 printf("#0045:2: %d\n",temp2.c);
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53 printf("#0046:2: %d\n",temp2.e);
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54 printf("#0047:2: %d\n",temp2.b);
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55 printf("#0048:2: %d\n",(void*)temp3.c==b);
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56 printf("#0049:2: %d\n",temp3.c==(int)b);
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57 printf("#0050:2: %d\n",temp3.a==(int)&b);
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58 printf("#0051:2: %d\n",temp4.m.j);
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59 printf("#0051:2: %d\n",temp5.m.j);
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547
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60 linux_kernel();
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448
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61 return 0;
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62 }
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547
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63
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64 typedef unsigned int __u32;
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65 typedef unsigned short __u16;
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66 typedef unsigned char __u8;
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67 typedef unsigned int u32;
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68 typedef unsigned short u16;
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69 typedef unsigned char u8;
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70 struct in6_addr { char hoge[128]; };
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71
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72 struct flowi {
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73 int oif;
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74 int iif;
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75
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76 union {
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77 struct {
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78 __u32 daddr;
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79 __u32 saddr;
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80 __u32 fwmark;
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81 __u8 tos;
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82 __u8 scope;
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83 } ip4_u;
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84
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85 struct {
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86 struct in6_addr daddr;
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87 struct in6_addr saddr;
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88 __u32 flowlabel;
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89 } ip6_u;
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90
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91 struct {
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92 __u16 daddr;
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93 __u16 saddr;
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94 __u32 fwmark;
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95 __u8 scope;
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96 } dn_u;
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97 } nl_u;
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98 __u8 proto;
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99 __u8 flags;
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100 union {
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101 struct {
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102 __u16 sport;
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103 __u16 dport;
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104 } ports;
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105
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106 struct {
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107 __u8 type;
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108 __u8 code__;
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109 } icmpt;
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110
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111 struct {
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112 __u16 sport;
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113 __u16 dport;
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114
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115 __u8 objnum;
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116 __u8 objnamel;
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117 __u8 objname[16];
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118 } dnports;
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119
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120 __u32 spi;
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121 } uli_u;
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122 } __attribute__((__aligned__(32/8)));
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123
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124
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125 static __inline__ __attribute__((always_inline)) __attribute__((always_inline))
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126 int ip_route_connect(/* struct rtable **rp, */ u32 dst,
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127 u32 src, u32 tos, int oif, u8 protocol,
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128 u16 sport, u16 dport /*, struct sock *sk */)
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129 {
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130 struct flowi fl = { .oif = oif,
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131 .nl_u = { .ip4_u = { .daddr = dst,
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132 .saddr = src,
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133 .tos = tos } },
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134 .proto = protocol,
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135 .uli_u = { .ports =
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136 { .sport = sport,
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137 .dport = dport } } };
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138
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139 printf("%d %d\n",fl.oif,fl.uli_u.ports.dport);
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140 }
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141
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548
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142 static
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143 int ip_route_connect0(/* struct rtable **rp, */ u32 dst,
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144 u32 src, u32 tos, int oif, u8 protocol,
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145 u16 sport, u16 dport /*, struct sock *sk */)
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146 {
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147 struct flowi fl = { .oif = oif,
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148 .iif = 55,
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149 .nl_u = { .ip4_u = { .daddr = dst,
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150 .saddr = 66,
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151 .tos = tos } },
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152 .proto = protocol,
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153 .uli_u = { .ports =
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154 { .sport = sport,
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155 .dport = dport } } };
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156
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157 printf("%d %d\n",fl.oif,fl.uli_u.ports.dport);
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158 printf("%d %d\n",fl.iif,fl.nl_u.ip4_u.saddr);
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159 }
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160
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547
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161 void
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162 linux_kernel()
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163 {
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548
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164 ip_route_connect0(1,2,3,4,5,6,7);
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547
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165 ip_route_connect(1,2,3,4,5,6,7);
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548
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166 ip_route_connect(11,12,13,14,15,16,17);
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547
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167 }
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168
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169 // end
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