| /* Copyright (C) 2000 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| #include <errno.h> |
| #include <spawn.h> |
| #include <unistd.h> |
| |
| #include "spawn_int.h" |
| |
| /* Add an action to FILE-ACTIONS which tells the implementation to call |
| `open' for the given file during the `spawn' call. */ |
| int |
| posix_spawn_file_actions_addopen (posix_spawn_file_actions_t *file_actions, |
| int fd, const char *path, int oflag, |
| mode_t mode) |
| { |
| int maxfd = __sysconf (_SC_OPEN_MAX); |
| struct __spawn_action *rec; |
| |
| /* Test for the validity of the file descriptor. */ |
| if (fd < 0 || fd >= maxfd) |
| return EBADF; |
| |
| /* Allocate more memory if needed. */ |
| if (file_actions->__used == file_actions->__allocated |
| && __posix_spawn_file_actions_realloc (file_actions) != 0) |
| /* This can only mean we ran out of memory. */ |
| return ENOMEM; |
| |
| /* Add the new value. */ |
| rec = &file_actions->__actions[file_actions->__used]; |
| rec->tag = spawn_do_open; |
| rec->action.open_action.fd = fd; |
| rec->action.open_action.path = path; |
| rec->action.open_action.oflag = oflag; |
| rec->action.open_action.mode = mode; |
| |
| /* Account for the new entry. */ |
| ++file_actions->__used; |
| |
| return 0; |
| } |