1 /* Copyright (C) 1998 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <http://www.gnu.org/licenses/>. */
17
18 #include <stdarg.h>
19 #include <termios.h>
20 #include <unistd.h>
21 #include <sys/ioctl.h>
22 #include <sys/syscall.h>
23
24
25
26 /* The user-visible size of struct termios has changed. Catch ioctl calls
27 using the new-style struct termios, and translate them to old-style. */
28
29 #define __NR___syscall_ioctl __NR_ioctl
30 static __always_inline
_syscall3(int,__syscall_ioctl,int,fd,unsigned long int,request,void *,arg)31 _syscall3(int, __syscall_ioctl, int, fd, unsigned long int, request, void *, arg)
32
33
34 int ioctl (int fd, unsigned long int request, ...)
35 {
36 void *arg;
37 va_list ap;
38 int result;
39
40 va_start (ap, request);
41 arg = va_arg (ap, void *);
42
43 switch (request)
44 {
45 case TCGETS:
46 result = tcgetattr (fd, (struct termios *) arg);
47 break;
48
49 case TCSETS:
50 result = tcsetattr (fd, TCSANOW, (struct termios *) arg);
51 break;
52
53 case TCSETSW:
54 result = tcsetattr (fd, TCSADRAIN, (struct termios *) arg);
55 break;
56
57 case TCSETSF:
58 result = tcsetattr (fd, TCSAFLUSH, (struct termios *) arg);
59 break;
60
61 default:
62 result = __syscall_ioctl (fd, request, arg);
63 break;
64 }
65
66 va_end (ap);
67
68 return result;
69 }
70 libc_hidden_def(ioctl)
71