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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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553
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34 #if 0
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35 struct temp temp10 = {
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36 .m = (struct hoge){}, // not allowed in global
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37 .c = (int)&b,
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38 };
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39 #endif
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40
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547
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41 void
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42 linux_kernel();
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448
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43
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559
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44 struct test{
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45 int a,b,c;
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46 } huga = {
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47 0,0,0,
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48 };
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49
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542
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50 int
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448
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51 main()
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52 {
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53 struct temp temp2 = { .c = 5, .e=99 };
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542
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54 #ifdef WRONG
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55 struct temp temp5 = { 1,2,3,4,5,6,7,8};
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56 struct temp temp6 = { 1,2,3,4,5,6};
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57 #else
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58 struct temp temp5 = { 1,2,3,4,5,6,7};
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59 struct temp temp6 = { 1,2,3,4,5,6,7};
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60 struct temp temp8 = { 1,2,3,4,{5,6},7};
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61 #endif
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553
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62 struct temp temp11 = {
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63 .m = (struct hoge){},
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64 .c = (int)&b,
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65 };
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66 struct temp temp12 = {
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67 .m = (struct hoge){1,3},
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68 .c = (int)&temp4,
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69 };
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70
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71 printf("#0064:1: %d\n",temp1.a);
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72 printf("#0065:1: %d\n",temp1.e);
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73 printf("#0066:1: %d\n",temp1.b);
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74 printf("#0067:2: %d\n",temp2.c);
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75 printf("#0068:2: %d\n",temp2.e);
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76 printf("#0069:2: %d\n",temp2.b);
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77 printf("#0070:2: %d\n",(void*)temp3.c==b);
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78 printf("#0071:2: %d\n",temp3.c==(int)b);
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79 printf("#0072:2: %d\n",temp3.a==(int)&b);
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80 printf("#0073:2: %d\n",temp4.m.j);
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81 printf("#0074:2: %d\n",temp5.m.j);
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82 printf("#0075:2: %d\n",temp11.m.j);
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83 printf("#0076:2: %d\n",temp12.m.k);
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84 printf("#0077:2: %d\n",temp12.m.j);
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85 printf("#0078:2: %d\n",temp11.c==(int)&b);
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559
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86 printf("#0068:2: %d\n",temp8.e);
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87 printf("#0068:2: %d\n",temp6.e);
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547
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88 linux_kernel();
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448
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89 return 0;
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90 }
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547
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91
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92 typedef unsigned int __u32;
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93 typedef unsigned short __u16;
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94 typedef unsigned char __u8;
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95 typedef unsigned int u32;
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96 typedef unsigned short u16;
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97 typedef unsigned char u8;
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98 struct in6_addr { char hoge[128]; };
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99
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100 struct flowi {
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101 int oif;
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102 int iif;
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103
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104 union {
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105 struct {
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106 __u32 daddr;
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107 __u32 saddr;
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108 __u32 fwmark;
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109 __u8 tos;
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110 __u8 scope;
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111 } ip4_u;
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112
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113 struct {
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114 struct in6_addr daddr;
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115 struct in6_addr saddr;
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116 __u32 flowlabel;
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117 } ip6_u;
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118
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119 struct {
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120 __u16 daddr;
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121 __u16 saddr;
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122 __u32 fwmark;
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123 __u8 scope;
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124 } dn_u;
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125 } nl_u;
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126 __u8 proto;
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127 __u8 flags;
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128 union {
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129 struct {
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130 __u16 sport;
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131 __u16 dport;
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132 } ports;
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133
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134 struct {
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135 __u8 type;
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136 __u8 code__;
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137 } icmpt;
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138
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139 struct {
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140 __u16 sport;
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141 __u16 dport;
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142
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143 __u8 objnum;
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144 __u8 objnamel;
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145 __u8 objname[16];
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146 } dnports;
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147
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148 __u32 spi;
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149 } uli_u;
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150 } __attribute__((__aligned__(32/8)));
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151
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152
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153 static __inline__ __attribute__((always_inline)) __attribute__((always_inline))
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559
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154 void ip_route_connect(/* struct rtable **rp, */ u32 dst,
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547
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155 u32 src, u32 tos, int oif, u8 protocol,
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156 u16 sport, u16 dport /*, struct sock *sk */)
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157 {
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158 struct flowi fl = { .oif = oif,
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159 .nl_u = { .ip4_u = { .daddr = dst,
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160 .saddr = src,
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161 .tos = tos } },
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162 .proto = protocol,
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163 .uli_u = { .ports =
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164 { .sport = sport,
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165 .dport = dport } } };
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166
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553
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167 printf("#0158:%d %d\n",fl.oif,fl.uli_u.ports.dport);
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547
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168 }
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169
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548
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170 static
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559
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171 void ip_route_connect0(/* struct rtable **rp, */ u32 dst,
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548
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172 u32 src, u32 tos, int oif, u8 protocol,
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173 u16 sport, u16 dport /*, struct sock *sk */)
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174 {
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175 struct flowi fl = { .oif = oif,
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176 .iif = 55,
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177 .nl_u = { .ip4_u = { .daddr = dst,
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178 .saddr = 66,
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179 .tos = tos } },
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180 .proto = protocol,
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181 .uli_u = { .ports =
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182 { .sport = sport,
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183 .dport = dport } } };
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184
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553
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185 printf("#0176:%d %d\n",fl.oif,fl.uli_u.ports.dport);
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186 printf("#0177:%d %d\n",fl.iif,fl.nl_u.ip4_u.saddr);
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548
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187 }
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188
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547
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189 void
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190 linux_kernel()
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191 {
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548
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192 ip_route_connect0(1,2,3,4,5,6,7);
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547
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193 ip_route_connect(1,2,3,4,5,6,7);
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548
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194 ip_route_connect(11,12,13,14,15,16,17);
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547
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195 }
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196
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197 // end
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