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- /* Copyright (C) 1992, 1995, 1997, 1998 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
- <http://www.gnu.org/licenses/>. */
- #include <features.h>
- #include <string.h>
- #include <termios.h>
- #include <unistd.h>
- #include <sys/ioctl.h>
- #include <sys/types.h>
- /* The difference here is that the termios structure used in the
- kernel is not the same as we use in the libc. Therefore we must
- translate it here. */
- #include "kernel_termios.h"
- /* Put the state of FD into *TERMIOS_P. */
- int tcgetattr (int fd, struct termios *termios_p)
- {
- struct __kernel_termios k_termios;
- int retval;
- retval = ioctl (fd, TCGETS, &k_termios);
- if(likely(retval == 0)) {
- termios_p->c_iflag = k_termios.c_iflag;
- termios_p->c_oflag = k_termios.c_oflag;
- termios_p->c_cflag = k_termios.c_cflag;
- termios_p->c_lflag = k_termios.c_lflag;
- termios_p->c_line = k_termios.c_line;
- #ifdef _HAVE_C_ISPEED
- termios_p->c_ispeed = k_termios.c_ispeed;
- #endif
- #ifdef _HAVE_C_OSPEED
- termios_p->c_ospeed = k_termios.c_ospeed;
- #endif
- if (sizeof (cc_t) == 1 || _POSIX_VDISABLE == 0
- || (unsigned char) _POSIX_VDISABLE == (unsigned char) -1)
- {
- memset (mempcpy (&termios_p->c_cc[0], &k_termios.c_cc[0],
- __KERNEL_NCCS * sizeof (cc_t)),
- _POSIX_VDISABLE, (NCCS - __KERNEL_NCCS) * sizeof (cc_t));
- #if 0
- memset ( (memcpy (&termios_p->c_cc[0], &k_termios.c_cc[0],
- __KERNEL_NCCS * sizeof (cc_t)) + (__KERNEL_NCCS * sizeof (cc_t))) ,
- _POSIX_VDISABLE, (NCCS - __KERNEL_NCCS) * sizeof (cc_t));
- #endif
- } else {
- size_t cnt;
- memcpy (&termios_p->c_cc[0], &k_termios.c_cc[0],
- __KERNEL_NCCS * sizeof (cc_t));
- for (cnt = __KERNEL_NCCS; cnt < NCCS; ++cnt)
- termios_p->c_cc[cnt] = _POSIX_VDISABLE;
- }
- }
- return retval;
- }
- libc_hidden_def(tcgetattr)
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