1 | // RUN: %clangxx -O0 -g %s -o %t && %run %t 2>&1 | FileCheck %s |
2 | |
3 | #include <inttypes.h> |
4 | #include <netdb.h> |
5 | #include <stdint.h> |
6 | #include <stdio.h> |
7 | #include <stdlib.h> |
8 | |
9 | #define STRING_OR_NULL(x) ((x) ? (x) : "null") |
10 | |
11 | void test1() { |
12 | struct netent *ntp = getnetent(); |
13 | |
14 | printf(format: "%s " , ntp->n_name); |
15 | |
16 | for (char **cp = ntp->n_aliases; *cp != NULL; cp++) |
17 | printf(format: "%s " , STRING_OR_NULL(*cp)); |
18 | |
19 | printf(format: "%d " , ntp->n_addrtype); |
20 | printf(format: "%" PRIu32 "\n" , ntp->n_net); |
21 | |
22 | endnetent(); |
23 | } |
24 | |
25 | void test2() { |
26 | struct netent *ntp = getnetbyname(name: "loopback" ); |
27 | |
28 | printf(format: "%s " , ntp->n_name); |
29 | |
30 | for (char **cp = ntp->n_aliases; *cp != NULL; cp++) |
31 | printf(format: "%s " , STRING_OR_NULL(*cp)); |
32 | |
33 | printf(format: "%d " , ntp->n_addrtype); |
34 | printf(format: "%" PRIu32 "\n" , ntp->n_net); |
35 | |
36 | endnetent(); |
37 | } |
38 | |
39 | void test3() { |
40 | struct netent *ntp = getnetbyaddr(net: 127, type: 2); |
41 | |
42 | printf(format: "%s " , ntp->n_name); |
43 | |
44 | for (char **cp = ntp->n_aliases; *cp != NULL; cp++) |
45 | printf(format: "%s " , STRING_OR_NULL(*cp)); |
46 | |
47 | printf(format: "%d " , ntp->n_addrtype); |
48 | printf(format: "%" PRIu32 "\n" , ntp->n_net); |
49 | |
50 | endnetent(); |
51 | } |
52 | |
53 | void test4() { |
54 | setnetent(1); |
55 | |
56 | struct netent *ntp = getnetent(); |
57 | |
58 | printf(format: "%s " , ntp->n_name); |
59 | |
60 | for (char **cp = ntp->n_aliases; *cp != NULL; cp++) |
61 | printf(format: "%s " , STRING_OR_NULL(*cp)); |
62 | |
63 | printf(format: "%d " , ntp->n_addrtype); |
64 | printf(format: "%" PRIu32 "\n" , ntp->n_net); |
65 | |
66 | endnetent(); |
67 | } |
68 | |
69 | int main(void) { |
70 | printf(format: "netent\n" ); |
71 | |
72 | test1(); |
73 | test2(); |
74 | test3(); |
75 | test4(); |
76 | |
77 | // CHECK: netent |
78 | // CHECK: loopback 2 127 |
79 | // CHECK: loopback 2 127 |
80 | // CHECK: loopback 2 127 |
81 | // CHECK: loopback 2 127 |
82 | |
83 | return 0; |
84 | } |
85 | |