51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
/* -*-comment-start: "//";comment-end:""-*-
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* GNU Mes --- Maxwell Equations of Software
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* Copyright © 2016,2017,2018,2019,2020,2022 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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*
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* This file is part of GNU Mes.
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*
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* GNU Mes is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* GNU Mes is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <mes/lib.h>
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#include <sys/ioctl.h>
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#include <stdlib.h>
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#include <string.h>
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#include <termio.h>
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#define TCGETS 0x5401
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struct ktermios
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{
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unsigned c_iflag;
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unsigned c_oflag;
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unsigned c_cflag;
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unsigned c_lflag;
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char c_line;
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char c_cc[19];
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unsigned c_ispeed;
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unsigned c_ospeed;
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};
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struct ktermios *__isatty_kernel_termios;
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int
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isatty (int filedes)
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{
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if (__isatty_kernel_termios == 0)
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__isatty_kernel_termios = malloc (sizeof (struct ktermios));
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int r = ioctl3 (filedes, TCGETS, __isatty_kernel_termios);
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return r == 0;
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}
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