socket/tst-sockaddr_un_set.c

   1 /* Test the __sockaddr_un_set function.
   2    Copyright (C) 2022-2024 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>