1 /* Linux internal definitions for ioctl.
2 Copyright (C) 2021-2022 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 <termios.h>
20
21 /* The user-visible size of struct termios has changed. Catch ioctl calls
22 using the new-style struct termios, and translate them to old-style. */
23 static inline bool
__ioctl_arch(int * r,int fd,unsigned long request,void * arg)24 __ioctl_arch (int *r, int fd, unsigned long request, void *arg)
25 {
26 switch (request)
27 {
28 case TCGETS:
29 *r = __tcgetattr (fd, (struct termios *) arg);
30 break;
31
32 case TCSETS:
33 *r = __tcsetattr (fd, TCSANOW, (struct termios *) arg);
34 break;
35
36 case TCSETSW:
37 *r = __tcsetattr (fd, TCSADRAIN, (struct termios *) arg);
38 break;
39
40 case TCSETSF:
41 *r = __tcsetattr (fd, TCSAFLUSH, (struct termios *) arg);
42 break;
43
44 default:
45 return false;
46 }
47 return true;
48 }
49