tests/test-sethostname1.c

   1 /*
   2  * Copyright (C) 2011-2021 Free Software Foundation, Inc.
   3  * Written by Ben Walton.
   4  *
   5  * This program is free software: you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program 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
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  17
  18 #include <config.h>
  19
  20 #include <unistd.h>
  21
  22 #include "signature.h"
  23 SIGNATURE_CHECK (sethostname, int, (const char *, size_t));
  24
  25 int do_dangerous_things;
  26
  27 int
  28 main ()
  29 {
  30   /* Some code that has a link-time dependency to the sethostname() function
  31      and that is likely not optimized away by compilers.  */
  32   if (do_dangerous_things)
  33     {
  34       /* Never executed.  */
  35       int ret = sethostname ("oprah", 5);
  36       (void) ret;
  37     }
  38
  39   return 0;
  40 }