1 /* Copyright (C) 1992, 1995, 1997, 1998 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
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.
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.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19 #define mempcpy __mempcpy
26 #include <sys/ioctl.h>
27 #include <sys/types.h>
29 /* The difference here is that the termios structure used in the
30 kernel is not the same as we use in the libc. Therefore we must
32 #include "kernel_termios.h"
34 /* Put the state of FD into *TERMIOS_P. */
35 int attribute_hidden __tcgetattr (int fd, struct termios *termios_p)
37 struct __kernel_termios k_termios;
40 retval = ioctl (fd, TCGETS, &k_termios);
42 termios_p->c_iflag = k_termios.c_iflag;
43 termios_p->c_oflag = k_termios.c_oflag;
44 termios_p->c_cflag = k_termios.c_cflag;
45 termios_p->c_lflag = k_termios.c_lflag;
46 termios_p->c_line = k_termios.c_line;
48 termios_p->c_ispeed = k_termios.c_ispeed;
51 termios_p->c_ospeed = k_termios.c_ospeed;
55 if (sizeof (cc_t) == 1 || _POSIX_VDISABLE == 0
56 || (unsigned char) _POSIX_VDISABLE == (unsigned char) -1)
58 __memset (mempcpy (&termios_p->c_cc[0], &k_termios.c_cc[0],
59 __KERNEL_NCCS * sizeof (cc_t)),
60 _POSIX_VDISABLE, (NCCS - __KERNEL_NCCS) * sizeof (cc_t));
62 __memset ( (__memcpy (&termios_p->c_cc[0], &k_termios.c_cc[0],
63 __KERNEL_NCCS * sizeof (cc_t)) + (__KERNEL_NCCS * sizeof (cc_t))) ,
64 _POSIX_VDISABLE, (NCCS - __KERNEL_NCCS) * sizeof (cc_t));
69 __memcpy (&termios_p->c_cc[0], &k_termios.c_cc[0],
70 __KERNEL_NCCS * sizeof (cc_t));
72 for (cnt = __KERNEL_NCCS; cnt < NCCS; ++cnt)
73 termios_p->c_cc[cnt] = _POSIX_VDISABLE;
78 strong_alias(__tcgetattr,tcgetattr)