1 | /* Test getaddrinfo return value, [BZ #15339]. |
2 | Copyright (C) 2013-2022 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <string.h> |
20 | #include <stdio.h> |
21 | #include <errno.h> |
22 | #include <netdb.h> |
23 | |
24 | static int |
25 | try (const char *service, int family, int flags) |
26 | { |
27 | struct addrinfo hints, *h, *ai; |
28 | int res; |
29 | |
30 | memset (&hints, 0, sizeof hints); |
31 | hints.ai_family = family; |
32 | hints.ai_flags = flags; |
33 | |
34 | errno = 0; |
35 | h = (family || flags) ? &hints : NULL; |
36 | res = getaddrinfo ("example.net" , service, h, &ai); |
37 | switch (res) |
38 | { |
39 | case 0: |
40 | case EAI_AGAIN: |
41 | case EAI_NONAME: |
42 | printf (format: "SUCCESS getaddrinfo(service=%s, family=%d, flags=%d): %s: %m\n" , |
43 | service ?: "NULL" , family, flags, gai_strerror (res)); |
44 | return 0; |
45 | } |
46 | printf (format: "FAIL getaddrinfo(service=%s, family=%d, flags=%d): %s: %m\n" , |
47 | service ?: "NULL" , family, flags, gai_strerror (res)); |
48 | return 1; |
49 | } |
50 | |
51 | static int |
52 | do_test (void) |
53 | { |
54 | int err = 0; |
55 | err |= try (NULL, family: 0, flags: 0); |
56 | err |= try (NULL, AF_UNSPEC, AI_ADDRCONFIG); |
57 | err |= try (NULL, AF_INET, flags: 0); |
58 | err |= try (NULL, AF_INET6, flags: 0); |
59 | err |= try (service: "http" , family: 0, flags: 0); |
60 | err |= try (service: "http" , AF_UNSPEC, AI_ADDRCONFIG); |
61 | err |= try (service: "http" , AF_INET, flags: 0); |
62 | err |= try (service: "http" , AF_INET6, flags: 0); |
63 | return err; |
64 | } |
65 | |
66 | #define TEST_FUNCTION do_test () |
67 | #include "../test-skeleton.c" |
68 | |