PostgreSQL Source Code  git master
test_ifaddrs.c
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1 /*
2  * src/tools/ifaddrs/test_ifaddrs.c
3  *
4  *
5  * test_ifaddrs.c
6  * test pg_foreach_ifaddr()
7  */
8 
9 #include "postgres.h"
10 
11 #include <netinet/in.h>
12 #include <arpa/inet.h>
13 
14 #include "libpq/ifaddr.h"
15 
16 
17 static void
18 print_addr(struct sockaddr *addr)
19 {
20  char buffer[256];
21  int ret,
22  len;
23 
24  switch (addr->sa_family)
25  {
26  case AF_INET:
27  len = sizeof(struct sockaddr_in);
28  break;
29  case AF_INET6:
30  len = sizeof(struct sockaddr_in6);
31  break;
32  default:
33  len = sizeof(struct sockaddr_storage);
34  break;
35  }
36 
37  ret = getnameinfo(addr, len, buffer, sizeof(buffer), NULL, 0,
38  NI_NUMERICHOST);
39  if (ret != 0)
40  printf("[unknown: family %d]", addr->sa_family);
41  else
42  printf("%s", buffer);
43 }
44 
45 static void
46 callback(struct sockaddr *addr, struct sockaddr *mask, void *unused)
47 {
48  printf("addr: ");
49  print_addr(addr);
50  printf(" mask: ");
51  print_addr(mask);
52  printf("\n");
53 }
54 
55 int
56 main(int argc, char *argv[])
57 {
58 #ifdef WIN32
59  WSADATA wsaData;
60 
61  if (WSAStartup(MAKEWORD(2, 2), &wsaData) != 0)
62  {
63  fprintf(stderr, "WSAStartup failed\n");
64  return 1;
65  }
66 #endif
67 
68  if (pg_foreach_ifaddr(callback, NULL) < 0)
69  fprintf(stderr, "pg_foreach_ifaddr failed: %m\n");
70  return 0;
71 }
int pg_foreach_ifaddr(PgIfAddrCallback callback, void *cb_data)
Definition: ifaddr.c:425
const void size_t len
#define fprintf
Definition: port.h:242
#define printf(...)
Definition: port.h:244
int main(int argc, char *argv[])
Definition: test_ifaddrs.c:56
static void callback(struct sockaddr *addr, struct sockaddr *mask, void *unused)
Definition: test_ifaddrs.c:46
static void print_addr(struct sockaddr *addr)
Definition: test_ifaddrs.c:18