From 3a3fb7557274108ea3dc5ac62333c808a6c171db Mon Sep 17 00:00:00 2001 From: Florian Weimer Date: Fri, 7 Dec 2018 15:00:04 +0100 Subject: posix: New function posix_spawn_file_actions_addfchdir_np [BZ #17405] Along with posix_spawn_file_actions_addchdir, posix_spawn_file_actions_addfchdir is the subject of a change proposal for POSIX: --- posix/spawn_faction_addfchdir.c | 46 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 posix/spawn_faction_addfchdir.c (limited to 'posix/spawn_faction_addfchdir.c') diff --git a/posix/spawn_faction_addfchdir.c b/posix/spawn_faction_addfchdir.c new file mode 100644 index 0000000000..6f069df29e --- /dev/null +++ b/posix/spawn_faction_addfchdir.c @@ -0,0 +1,46 @@ +/* Add a directory change to a file action list for posix_spawn. + Copyright (C) 2000-2018 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, see + . */ + +#include +#include +#include + +#include "spawn_int.h" + +int +posix_spawn_file_actions_addfchdir_np (posix_spawn_file_actions_t *actions, + int fd) +{ + struct __spawn_action *rec; + + /* Allocate more memory if needed. */ + if (actions->__used == actions->__allocated + && __posix_spawn_file_actions_realloc (actions) != 0) + /* This can only mean we ran out of memory. */ + return ENOMEM; + + /* Add the new value. */ + rec = &actions->__actions[actions->__used]; + rec->tag = spawn_do_fchdir; + rec->action.fchdir_action.fd = fd; + + /* Account for the new entry. */ + ++actions->__used; + + return 0; +} -- cgit 1.4.1