1 /* Test ancillary data header creation.
2 Copyright (C) 2022-2023 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
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/>. */
19 #include <sys/socket.h>
20 #include <gnu/lib-names.h>
21 #include <support/xdlfcn.h>
22 #include <support/check.h>
24 #define PAYLOAD "Hello, World!"
26 /* CMSG_NXTHDR is a macro that calls an inline function defined in
27 bits/socket.h. In case the function cannot be inlined, libc.so carries
28 a copy. Both versions need to be tested. */
30 #define CMSG_NXTHDR_IMPL CMSG_NXTHDR
31 #include "tst-cmsghdr-skeleton.c"
32 #undef CMSG_NXTHDR_IMPL
34 static struct cmsghdr
* (* cmsg_nxthdr
) (struct msghdr
*, struct cmsghdr
*);
36 #define CMSG_NXTHDR_IMPL cmsg_nxthdr
37 #include "tst-cmsghdr-skeleton.c"
38 #undef CMSG_NXTHDR_IMPL
45 run_test_CMSG_NXTHDR ();
47 handle
= xdlopen (LIBC_SO
, RTLD_LAZY
);
48 cmsg_nxthdr
= (struct cmsghdr
* (*) (struct msghdr
*, struct cmsghdr
*))
49 xdlsym (handle
, "__cmsg_nxthdr");
51 run_test_cmsg_nxthdr ();
56 #include <support/test-driver.c>