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/* Test ancillary data header creation.
Copyright (C) 2022-2023 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <sys/socket.h>
#include <gnu/lib-names.h>
#include <support/xdlfcn.h>
#include <support/check.h>
#define PAYLOAD "Hello, World!"
/* CMSG_NXTHDR is a macro that calls an inline function defined in
bits/socket.h. In case the function cannot be inlined, libc.so carries
a copy. Both versions need to be tested. */
#define CMSG_NXTHDR_IMPL CMSG_NXTHDR
#include "tst-cmsghdr-skeleton.c"
#undef CMSG_NXTHDR_IMPL
static struct cmsghdr * (* cmsg_nxthdr) (struct msghdr *, struct cmsghdr *);
#define CMSG_NXTHDR_IMPL cmsg_nxthdr
#include "tst-cmsghdr-skeleton.c"
#undef CMSG_NXTHDR_IMPL
static int
do_test (void)
{
static void *handle;
run_test_CMSG_NXTHDR ();
handle = xdlopen (LIBC_SO, RTLD_LAZY);
cmsg_nxthdr = (struct cmsghdr * (*) (struct msghdr *, struct cmsghdr *))
xdlsym (handle, "__cmsg_nxthdr");
run_test_cmsg_nxthdr ();
return 0;
}
#include <support/test-driver.c>
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