1 /* Test of inet_pton function.
2 Copyright (C) 2009-2018 Free Software Foundation, Inc.
3
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 3 of the License, or
7 (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <https://www.gnu.org/licenses/>. */
16
17 /* Written by Bruno Haible <bruno@clisp.org>, 2009. */
18
19 #include <config.h>
20
21 #include <arpa/inet.h>
22
23 #include "signature.h"
24 SIGNATURE_CHECK (inet_pton, int, (int, const char *, void *));
25
26 #include <netinet/in.h>
27 #include <sys/socket.h>
28
29 #include "macros.h"
30
31 int
main(void)32 main (void)
33 {
34 #if defined AF_INET /* HAVE_IPV4 */
35 {
36 /* This machine was for a long time known as
37 ma2s2.mathematik.uni-karlsruhe.de. */
38 const char printable[] = "129.13.115.2";
39 struct in_addr internal;
40 int ret;
41
42 ret = inet_pton (AF_INET, printable, &internal);
43 ASSERT (ret == 1);
44 /* Verify that internal is filled in network byte order. */
45 ASSERT (((unsigned char *) &internal)[0] == 0x81);
46 ASSERT (((unsigned char *) &internal)[1] == 0x0D);
47 ASSERT (((unsigned char *) &internal)[2] == 0x73);
48 ASSERT (((unsigned char *) &internal)[3] == 0x02);
49 # ifdef WORDS_BIGENDIAN
50 ASSERT (internal.s_addr == 0x810D7302);
51 # else
52 ASSERT (internal.s_addr == 0x02730D81);
53 # endif
54 }
55 #endif
56
57 return 0;
58 }
59