posix/spawn_faction_destroy.c

   1 /* Copyright (C) 2000-2017 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library 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 GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 #include <spawn.h>
  19 #include <stdlib.h>
  20
  21 #include "spawn_int.h"
  22
  23 /* Deallocate the file actions.  */
  24 int
  25 posix_spawn_file_actions_destroy (posix_spawn_file_actions_t *file_actions)
  26 {
  27   /* Free the paths in the open actions.  */
  28   for (int i = 0; i < file_actions->__used; ++i)
  29     {
  30       struct __spawn_action *sa = &file_actions->__actions[i];
  31       switch (sa->tag)
  32         {
  33         case spawn_do_open:
  34           free (sa->action.open_action.path);
  35           break;
  36         case spawn_do_close:
  37         case spawn_do_dup2:
  38           /* No cleanup required.  */
  39           break;
  40         }
  41     }
  42
  43   /* Free the array of actions.  */
  44   free (file_actions->__actions);
  45   return 0;
  46 }