106 lines
2.4 KiB
C
106 lines
2.4 KiB
C
/* Test of <sys/socket.h> substitute.
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Copyright (C) 2007, 2009-2024 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
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#include <config.h>
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#include <sys/socket.h>
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/* POSIX mandates that AF_UNSPEC shall be 0. */
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static_assert (AF_UNSPEC == 0);
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/* Check that the 'socklen_t' type is defined. */
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socklen_t t1;
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/* Check that the 'size_t' and 'ssize_t' types are defined. */
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size_t t2;
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ssize_t t3;
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/* Check that 'struct iovec' is defined. */
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struct iovec io;
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/* Check that a minimal set of 'struct msghdr' is defined. */
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struct msghdr msg;
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#include <errno.h>
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#include "intprops.h"
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/* POSIX requires that 'socklen_t' is an integer type with a width of at
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least 32 bits. */
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static_assert (32 <= TYPE_WIDTH (socklen_t));
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/* POSIX requires that sa_family_t is an unsigned integer type. */
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static_assert (! TYPE_SIGNED (sa_family_t));
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int
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main (void)
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{
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struct sockaddr_storage x;
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sa_family_t i;
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/* Check some errno values. */
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switch (ENOTSOCK)
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{
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case ENOTSOCK:
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case EADDRINUSE:
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case ENETRESET:
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case ECONNABORTED:
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case ECONNRESET:
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case ENOTCONN:
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case ESHUTDOWN:
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break;
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}
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/* Check that each supported address family has a distinct value. */
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switch (0)
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{
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case AF_UNSPEC:
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#if HAVE_IPV4
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case AF_INET:
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#endif
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#if HAVE_IPV6
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case AF_INET6:
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#endif
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#if HAVE_UNIXSOCKET
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case AF_UNIX:
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#endif
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default:
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break;
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}
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/* Check that the shutdown type macros are defined to distinct values. */
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#if HAVE_SHUTDOWN
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switch (0)
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{
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case SHUT_RD:
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case SHUT_WR:
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case SHUT_RDWR:
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default:
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break;
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}
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#endif
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x.ss_family = 42;
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i = 42;
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msg.msg_iov = &io;
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return (x.ss_family - i + msg.msg_namelen + msg.msg_iov->iov_len
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+ msg.msg_iovlen);
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}
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