diff options
Diffstat (limited to 'socket/tst-cmsghdr.c')
-rw-r--r-- | socket/tst-cmsghdr.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/socket/tst-cmsghdr.c b/socket/tst-cmsghdr.c new file mode 100644 index 0000000000..68c96d3c9d --- /dev/null +++ b/socket/tst-cmsghdr.c @@ -0,0 +1,56 @@ +/* Test ancillary data header creation. + Copyright (C) 2022 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> |