1  /* Test connecting a client socket.
       2     Copyright (C) 2011-2023 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 <https://www.gnu.org/licenses/>.  */
      16  
      17  #include <config.h>
      18  
      19  #include <sys/socket.h>
      20  
      21  #include "signature.h"
      22  SIGNATURE_CHECK (connect, int, (int, const struct sockaddr *, socklen_t));
      23  
      24  #include <errno.h>
      25  #include <netinet/in.h>
      26  #include <arpa/inet.h>
      27  #include <unistd.h>
      28  
      29  #include "sockets.h"
      30  #include "macros.h"
      31  
      32  int
      33  main (void)
      34  {
      35    (void) gl_sockets_startup (SOCKETS_1_1);
      36  
      37    /* Test behaviour for invalid file descriptors.  */
      38    {
      39      struct sockaddr_in addr;
      40  
      41      addr.sin_family = AF_INET;
      42      inet_pton (AF_INET, "127.0.0.1", &addr.sin_addr);
      43      addr.sin_port = htons (80);
      44      {
      45        errno = 0;
      46        ASSERT (connect (-1, (const struct sockaddr *) &addr, sizeof (addr))
      47                == -1);
      48        ASSERT (errno == EBADF);
      49      }
      50      {
      51        close (99);
      52        errno = 0;
      53        ASSERT (connect (99, (const struct sockaddr *) &addr, sizeof (addr))
      54                == -1);
      55        ASSERT (errno == EBADF);
      56      }
      57    }
      58  
      59    return 0;
      60  }