| 1 | /* Test of <sys/socket.h> substitute.
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| 2 | Copyright (C) 2007, 2009-2021 Free Software Foundation, Inc.
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| 3 |
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| 4 | This program is free software: you can redistribute it and/or modify
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| 5 | it under the terms of the GNU General Public License as published by
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| 6 | the Free Software Foundation; either version 3 of the License, or
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| 7 | (at your option) any later version.
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| 8 |
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| 9 | This program is distributed in the hope that it will be useful,
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 12 | GNU General Public License for more details.
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| 13 |
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| 14 | You should have received a copy of the GNU General Public License
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| 15 | along with this program. If not, see <https://www.gnu.org/licenses/>. */
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| 16 |
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| 17 | /* Written by Bruno Haible <bruno@clisp.org>, 2007. */
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| 18 |
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| 19 | #include <config.h>
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| 20 |
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| 21 | #include <sys/socket.h>
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| 22 |
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| 23 | #include <errno.h>
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| 24 |
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| 25 | #if HAVE_SHUTDOWN
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| 26 | /* Check some integer constant expressions. */
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| 27 | int a[] = { SHUT_RD, SHUT_WR, SHUT_RDWR };
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| 28 | #endif
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| 29 |
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| 30 | /* Check that the 'socklen_t' type is defined. */
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| 31 | socklen_t t1;
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| 32 |
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| 33 | /* Check that the 'size_t' and 'ssize_t' types are defined. */
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| 34 | size_t t2;
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| 35 | ssize_t t3;
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| 36 |
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| 37 | /* Check that 'struct iovec' is defined. */
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| 38 | struct iovec io;
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| 39 |
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| 40 | /* Check that a minimal set of 'struct msghdr' is defined. */
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| 41 | struct msghdr msg;
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| 42 |
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| 43 | int
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| 44 | main (void)
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| 45 | {
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| 46 | struct sockaddr_storage x;
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| 47 | sa_family_t i;
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| 48 |
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| 49 | /* Check some errno values. */
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| 50 | switch (ENOTSOCK)
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| 51 | {
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| 52 | case ENOTSOCK:
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| 53 | case EADDRINUSE:
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| 54 | case ENETRESET:
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| 55 | case ECONNABORTED:
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| 56 | case ECONNRESET:
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| 57 | case ENOTCONN:
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| 58 | case ESHUTDOWN:
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| 59 | break;
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| 60 | }
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| 61 |
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| 62 | x.ss_family = 42;
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| 63 | i = 42;
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| 64 | msg.msg_iov = &io;
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| 65 |
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| 66 | return (x.ss_family - i + msg.msg_namelen + msg.msg_iov->iov_len
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| 67 | + msg.msg_iovlen);
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| 68 | }
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