60 lines
1.6 KiB
C
60 lines
1.6 KiB
C
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/* Copyright (C) 1992-2022 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <stddef.h>
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#include <termios.h>
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/* These are defined both in <bits/termios.h> and in <bits/ioctls.h>.
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They should have the same values, but perhaps not written the same way. */
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#undef ECHO
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#undef MDMBUF
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#undef TOSTOP
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#undef FLUSHO
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#undef PENDIN
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#undef NOFLSH
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#include <sys/ioctl.h>
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/* Set the state of FD to *TERMIOS_P. */
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int
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tcsetattr (int fd, int optional_actions, const struct termios *termios_p)
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{
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struct termios myt;
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if (optional_actions & TCSASOFT)
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{
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myt = *termios_p;
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myt.c_cflag |= CIGNORE;
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termios_p = &myt;
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optional_actions &= ~TCSASOFT;
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}
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switch (optional_actions)
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{
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case TCSANOW:
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return __ioctl (fd, TIOCSETA, termios_p);
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case TCSADRAIN:
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return __ioctl (fd, TIOCSETAW, termios_p);
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default:
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return __ioctl (fd, TIOCSETAF, termios_p);
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}
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}
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libc_hidden_def (tcsetattr)
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