| 1 | /* Test ancillary data header creation. |
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| 2 | Copyright (C) 2022 Free Software Foundation, Inc. |
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| 3 | This file is part of the GNU C Library. |
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| 4 | |
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| 5 | The GNU C Library is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU Lesser General Public |
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| 7 | License as published by the Free Software Foundation; either |
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| 8 | version 2.1 of the License, or (at your option) any later version. |
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| 9 | |
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| 10 | The GNU C Library is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | Lesser General Public License for more details. |
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| 14 | |
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| 15 | You should have received a copy of the GNU Lesser General Public |
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| 16 | License along with the GNU C Library; if not, see |
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| 17 | <https://www.gnu.org/licenses/>. */ |
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| 18 | |
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| 19 | #include <sys/socket.h> |
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| 20 | #include <gnu/lib-names.h> |
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| 21 | #include <support/xdlfcn.h> |
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| 22 | #include <support/check.h> |
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| 23 | |
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| 24 | #define PAYLOAD "Hello, World!" |
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| 25 | |
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| 26 | /* CMSG_NXTHDR is a macro that calls an inline function defined in |
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| 27 | bits/socket.h. In case the function cannot be inlined, libc.so carries |
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| 28 | a copy. Both versions need to be tested. */ |
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| 29 | |
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| 30 | #define CMSG_NXTHDR_IMPL CMSG_NXTHDR |
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| 31 | #include "tst-cmsghdr-skeleton.c" |
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| 32 | #undef CMSG_NXTHDR_IMPL |
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| 33 | |
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| 34 | static struct cmsghdr * (* cmsg_nxthdr) (struct msghdr *, struct cmsghdr *); |
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| 35 | |
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| 36 | #define CMSG_NXTHDR_IMPL cmsg_nxthdr |
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| 37 | #include "tst-cmsghdr-skeleton.c" |
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| 38 | #undef CMSG_NXTHDR_IMPL |
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| 39 | |
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| 40 | static int |
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| 41 | do_test (void) |
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| 42 | { |
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| 43 | static void *handle; |
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| 44 | |
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| 45 | run_test_CMSG_NXTHDR (); |
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| 46 | |
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| 47 | handle = xdlopen (LIBC_SO, RTLD_LAZY); |
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| 48 | cmsg_nxthdr = (struct cmsghdr * (*) (struct msghdr *, struct cmsghdr *)) |
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| 49 | xdlsym (handle, symbol: "__cmsg_nxthdr" ); |
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| 50 | |
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| 51 | run_test_cmsg_nxthdr (); |
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| 52 | |
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| 53 | return 0; |
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| 54 | } |
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| 55 | |
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| 56 | #include <support/test-driver.c> |
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| 57 | |
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