1  /* Test the __sockaddr_un_set function.
       2     Copyright (C) 2022-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library; if not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  /* Re-compile the function because the version in libc is not
      20     exported.  */
      21  #include "sockaddr_un_set.c"
      22  
      23  #include <support/check.h>
      24  
      25  static int
      26  do_test (void)
      27  {
      28    struct sockaddr_un sun;
      29  
      30    memset (&sun, 0xcc, sizeof (sun));
      31    __sockaddr_un_set (&sun, "");
      32    TEST_COMPARE (sun.sun_family, AF_UNIX);
      33    TEST_COMPARE (__sockaddr_un_set (&sun, ""), 0);
      34  
      35    memset (&sun, 0xcc, sizeof (sun));
      36    TEST_COMPARE (__sockaddr_un_set (&sun, "/example"), 0);
      37    TEST_COMPARE_STRING (sun.sun_path, "/example");
      38  
      39    {
      40      char pathname[108];         /* Length of sun_path (ABI constant).  */
      41      memset (pathname, 'x', sizeof (pathname));
      42      pathname[sizeof (pathname) - 1] = '\0';
      43      memset (&sun, 0xcc, sizeof (sun));
      44      TEST_COMPARE (__sockaddr_un_set (&sun, pathname), 0);
      45      TEST_COMPARE (sun.sun_family, AF_UNIX);
      46      TEST_COMPARE_STRING (sun.sun_path, pathname);
      47    }
      48  
      49    {
      50      char pathname[109];
      51      memset (pathname, 'x', sizeof (pathname));
      52      pathname[sizeof (pathname) - 1] = '\0';
      53      memset (&sun, 0xcc, sizeof (sun));
      54      errno = 0;
      55      TEST_COMPARE (__sockaddr_un_set (&sun, pathname), -1);
      56      TEST_COMPARE (errno, EINVAL);
      57    }
      58  
      59    return 0;
      60  }
      61  
      62  #include <support/test-driver.c>