tests/test-_Exit.c

   1 /* Test of terminating the current process.
   2    Copyright (C) 2010-2024 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 /* Written by Bruno Haible <bruno@clisp.org>, 2010.  */
  18
  19 #include <config.h>
  20
  21 #include <stdlib.h>
  22
  23 /* But did he ever return?  No he never returned,
  24    And his fate is still unlearned ... */
  25 static _Noreturn void MTA (int);
  26
  27 static _Noreturn void
  28 Charlie (int n)
  29 {
  30   MTA (n - 1);
  31 }
  32
  33 static void
  34 MTA (int n)
  35 {
  36   if (n < 0)
  37     _Exit (81);
  38   Charlie (n - 1);
  39 }
  40
  41 int
  42 main (int argc, char **argv)
  43 {
  44   MTA (argc + !!argv);
  45 }