1 /* Test of inet_pton function.
2 Copyright (C) 2009 Free Software Foundation, Inc.
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.
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.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
17 /* Written by Bruno Haible <bruno@clisp.org>, 2009. */
21 #include <arpa/inet.h>
23 #include <netinet/in.h>
24 #include <sys/socket.h>
28 #define ASSERT(expr) \
33 fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
43 #if defined AF_INET /* HAVE_IPV4 */
45 /* This machine was for a long time known as
46 ma2s2.mathematik.uni-karlsruhe.de. */
47 const char printable[] = "129.13.115.2";
48 struct in_addr internal;
51 ret = inet_pton (AF_INET, printable, &internal);
53 /* Verify that internal is filled in network byte order. */
54 ASSERT (((unsigned char *) &internal)[0] == 0x81);
55 ASSERT (((unsigned char *) &internal)[1] == 0x0D);
56 ASSERT (((unsigned char *) &internal)[2] == 0x73);
57 ASSERT (((unsigned char *) &internal)[3] == 0x02);
58 # ifdef WORDS_BIGENDIAN
59 ASSERT (internal.s_addr == 0x810D7302);
61 ASSERT (internal.s_addr == 0x02730D81);