This is my part c code:
11 int main()
12 {
13 in_addr_t addr_t=inet_addr("192.168.2.1");
14
15 struct in_addr in_addr=inet_makeaddr(addr_t,AF_INET);
16
17
18 struct jail j={
19 .version=JAIL_API_VERSION,
20 .path="./jail_test",
21 .hostname="myjail",
22 .ip4s=addr_t,
23 .ip6s=0,
24 .ip4=&in_addr,
25 .ip6=NULL
26 };
27
28 errno=0;
29 int rs=jail(&j);
30 if(0==rs){
31 printf("create jail ok!!!\r\n");
32 return 0;
33 }
34
35 switch(errno){
36 case EPERM:
37 printf("eperm\r\n");
38 break;
39 case EFAULT:
40 printf("efault\r\n");
41 break;
42 case EINVAL:
43 printf("einval\r\n");
44 break;
45 case EAGAIN:
46 printf("eagain\r\n");
47 break;
48 default:
49 printf("---------------\r\n");
50 break;
51 }
52 return 0;
53 }
Unfortunately,the errno return EINVAL,it means “The version number of the
argument is not correct.”,why?
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