argp: fix pointer-subtraction bug
[glibc.git] / hurd / fd-cleanup.c
blob4a527041d31db82a5017dc6d255435cfbc85c8ed
1 /* Cleanup function for `struct hurd_fd' users.
2 Copyright (C) 1995-2021 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
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/>. */
19 #include <mach.h>
20 #include <hurd/fd.h>
22 /* We were cancelled while using an fd, and called from the cleanup unwinding.
25 void
26 _hurd_fd_port_use_cleanup (void *arg)
28 struct _hurd_fd_port_use_data *data = arg;
30 _hurd_port_free (&data->d->port, &data->ulink, data->port);
31 if (data->ctty != MACH_PORT_NULL)
32 _hurd_port_free (&data->d->ctty, &data->ctty_ulink, data->ctty);