tests/test-sethostname1.c

   1 /*
   2  * Copyright (C) 2011-2025 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 #if !((defined __APPLE__ && defined __MACH__) || defined __FreeBSD__ || defined __sgi || defined __sun)
  24 SIGNATURE_CHECK (sethostname, int, (const char *, size_t));
  25 #endif
  26
  27 int do_dangerous_things;
  28
  29 int
  30 main ()
  31 {
  32   /* Some code that has a link-time dependency to the sethostname() function
  33      and that is likely not optimized away by compilers.  */
  34   if (do_dangerous_things)
  35     {
  36       /* Never executed.  */
  37       int ret = sethostname ("oprah", 5);
  38       (void) ret;
  39     }
  40
  41   return 0;
  42 }