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socket/tst-cmsghdr.c
56 строк
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Paul Eggert
Update copyright dates with scripts/update-copyrights
02 янв 2026, 00:42
02 янв 2026, 00:42
66f3e92
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/* Test ancillary data header creation. Copyright (C) 2022-2026 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>