From 6fce1235bea41b65a0b7a978c65b908c736365d4 Mon Sep 17 00:00:00 2001 From: Eric Andersen Date: Mon, 15 Jan 2001 18:16:14 +0000 Subject: Fix termios handling. Now synced with behavior of GNU libc. -Erik --- libc/termios/tcgetattr.c | 67 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 libc/termios/tcgetattr.c (limited to 'libc/termios/tcgetattr.c') diff --git a/libc/termios/tcgetattr.c b/libc/termios/tcgetattr.c new file mode 100644 index 000000000..957b5b0c1 --- /dev/null +++ b/libc/termios/tcgetattr.c @@ -0,0 +1,67 @@ +/* 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include +#include +#include +#include +#include + +/* 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); + + 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 ( (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)); + 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; +} + -- cgit v1.2.3