1 /* Add a directory change to a file action list for posix_spawn. 2 Copyright (C) 2000-2022 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 #include <errno.h> 20 #include <spawn.h> 21 #include <string.h> 22 #include <stdlib.h> 23 #include "spawn_int.h" 24 25 int posix_spawn_file_actions_addchdir_np(posix_spawn_file_actions_t * file_actions,const char * path)26posix_spawn_file_actions_addchdir_np (posix_spawn_file_actions_t *file_actions, 27 const char *path) 28 { 29 struct __spawn_action *rec; 30 31 char *path_copy = __strdup (path); 32 if (path_copy == NULL) 33 return ENOMEM; 34 35 /* Allocate more memory if needed. */ 36 if (file_actions->__used == file_actions->__allocated 37 && __posix_spawn_file_actions_realloc (file_actions) != 0) 38 { 39 /* This can only mean we ran out of memory. */ 40 free (path_copy); 41 return ENOMEM; 42 } 43 44 /* Add the new value. */ 45 rec = &file_actions->__actions[file_actions->__used]; 46 rec->tag = spawn_do_chdir; 47 rec->action.chdir_action.path = path_copy; 48 49 /* Account for the new entry. */ 50 ++file_actions->__used; 51 52 return 0; 53 } 54