| /* Test of <sys/socket.h> substitute. |
| Copyright (C) 2007, 2009-2020 Free Software Foundation, Inc. |
| |
| This program is free software: you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program 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 General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program. If not, see <https://www.gnu.org/licenses/>. */ |
| |
| /* Written by Bruno Haible <bruno@clisp.org>, 2007. */ |
| |
| #include <config.h> |
| |
| #include <sys/socket.h> |
| |
| #include <errno.h> |
| |
| #if HAVE_SHUTDOWN |
| /* Check some integer constant expressions. */ |
| int a[] = { SHUT_RD, SHUT_WR, SHUT_RDWR }; |
| #endif |
| |
| /* Check that the 'socklen_t' type is defined. */ |
| socklen_t t1; |
| |
| /* Check that the 'size_t' and 'ssize_t' types are defined. */ |
| size_t t2; |
| ssize_t t3; |
| |
| /* Check that 'struct iovec' is defined. */ |
| struct iovec io; |
| |
| /* Check that a minimal set of 'struct msghdr' is defined. */ |
| struct msghdr msg; |
| |
| int |
| main (void) |
| { |
| struct sockaddr_storage x; |
| sa_family_t i; |
| |
| /* Check some errno values. */ |
| switch (ENOTSOCK) |
| { |
| case ENOTSOCK: |
| case EADDRINUSE: |
| case ENETRESET: |
| case ECONNABORTED: |
| case ECONNRESET: |
| case ENOTCONN: |
| case ESHUTDOWN: |
| break; |
| } |
| |
| x.ss_family = 42; |
| i = 42; |
| msg.msg_iov = &io; |
| |
| return (x.ss_family - i + msg.msg_namelen + msg.msg_iov->iov_len |
| + msg.msg_iovlen); |
| } |