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       1                 :            : /* Test of <sys/socket.h> substitute.
       2                 :            :    Copyright (C) 2007, 2009-2012 Free Software Foundation, Inc.
       3                 :            : 
       4                 :            :    This program is free software: you can redistribute it and/or modify
       5                 :            :    it under the terms of the GNU General Public License as published by
       6                 :            :    the Free Software Foundation; either version 3 of the License, or
       7                 :            :    (at your option) any later version.
       8                 :            : 
       9                 :            :    This program is distributed in the hope that it will be useful,
      10                 :            :    but WITHOUT ANY WARRANTY; without even the implied warranty of
      11                 :            :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      12                 :            :    GNU General Public License for more details.
      13                 :            : 
      14                 :            :    You should have received a copy of the GNU General Public License
      15                 :            :    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
      16                 :            : 
      17                 :            : /* Written by Bruno Haible <bruno@clisp.org>, 2007.  */
      18                 :            : 
      19                 :            : #include <config.h>
      20                 :            : 
      21                 :            : #include <sys/socket.h>
      22                 :            : 
      23                 :            : #include <errno.h>
      24                 :            : 
      25                 :            : #if HAVE_SHUTDOWN
      26                 :            : /* Check some integer constant expressions.  */
      27                 :            : int a[] = { SHUT_RD, SHUT_WR, SHUT_RDWR };
      28                 :            : #endif
      29                 :            : 
      30                 :            : /* Check that the 'socklen_t' type is defined.  */
      31                 :            : socklen_t t1;
      32                 :            : 
      33                 :            : /* Check that the 'size_t' and 'ssize_t' types are defined.  */
      34                 :            : size_t t2;
      35                 :            : ssize_t t3;
      36                 :            : 
      37                 :            : /* Check that 'struct iovec' is defined.  */
      38                 :            : struct iovec io;
      39                 :            : 
      40                 :            : /* Check that a minimal set of 'struct msghdr' is defined.  */
      41                 :            : struct msghdr msg;
      42                 :            : 
      43                 :            : int
      44                 :          1 : main (void)
      45                 :            : {
      46                 :            :   struct sockaddr_storage x;
      47                 :            :   sa_family_t i;
      48                 :            : 
      49                 :            :   /* Check some errno values.  */
      50                 :            :   switch (0)
      51                 :            :     {
      52                 :            :     case ENOTSOCK:
      53                 :            :     case EADDRINUSE:
      54                 :            :     case ENETRESET:
      55                 :            :     case ECONNABORTED:
      56                 :            :     case ECONNRESET:
      57                 :            :     case ENOTCONN:
      58                 :            :     case ESHUTDOWN:
      59                 :            :       break;
      60                 :            :     }
      61                 :            : 
      62                 :          1 :   x.ss_family = 42;
      63                 :          1 :   i = 42;
      64                 :          1 :   msg.msg_iov = &io;
      65                 :            : 
      66                 :          1 :   return (x.ss_family - i + msg.msg_namelen + msg.msg_iov->iov_len
      67                 :          1 :           + msg.msg_iovlen);
      68                 :            : }