-/* Copyright (C) 1991, 1993, 1996, 1997, 2002 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2019 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
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, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
+ License along with the GNU C Library; if not, see
+ <https://www.gnu.org/licenses/>. */
#include <errno.h>
#include <stddef.h>
#include <termios.h>
-#include "bsdtty.h"
-
-
-const speed_t __bsd_speeds[] =
- {
- 0,
- 50,
- 75,
- 110,
- 134,
- 150,
- 200,
- 300,
- 600,
- 1200,
- 1800,
- 2400,
- 4800,
- 9600,
- 19200,
- 38400,
- };
+/* These are defined both in <bits/termios.h> and in <bits/ioctls.h>.
+ They should have the same values, but perhaps not written the same way. */
+#undef ECHO
+#undef MDMBUF
+#undef TOSTOP
+#undef FLUSHO
+#undef PENDIN
+#undef NOFLSH
+#include <sys/ioctl.h>
/* Set the state of FD to *TERMIOS_P. */
int
-tcsetattr (fd, optional_actions, termios_p)
- int fd;
- int optional_actions;
- const struct termios *termios_p;
+tcsetattr (int fd, int optional_actions, const struct termios *termios_p)
{
- struct sgttyb buf;
- struct tchars tchars;
- struct ltchars ltchars;
- int local;
-#ifdef TIOCGETX
- int extra;
-#endif
- size_t i;
+ struct termios myt;
- if (__ioctl (fd, TIOCGETP, &buf) < 0 ||
- __ioctl (fd, TIOCGETC, &tchars) < 0 ||
- __ioctl (fd, TIOCGLTC, <chars) < 0 ||
-#ifdef TIOCGETX
- __ioctl (fd, TIOCGETX, &extra) < 0 ||
-#endif
- __ioctl (fd, TIOCLGET, &local) < 0)
- return -1;
-
- if (termios_p == NULL)
+ if (optional_actions & TCSASOFT)
{
- __set_errno (EINVAL);
- return -1;
+ myt = *termios_p;
+ myt.c_cflag |= CIGNORE;
+ termios_p = &myt;
+ optional_actions &= ~TCSASOFT;
}
+
switch (optional_actions)
{
case TCSANOW:
- break;
+ return __ioctl (fd, TIOCSETA, termios_p);
+
case TCSADRAIN:
- if (tcdrain (fd) < 0)
- return -1;
- break;
- case TCSAFLUSH:
- if (tcflush (fd, TCIFLUSH) < 0)
- return -1;
- break;
- default:
- __set_errno (EINVAL);
- return -1;
- }
+ return __ioctl (fd, TIOCSETAW, termios_p);
- buf.sg_ispeed = buf.sg_ospeed = -1;
- for (i = 0; i <= sizeof (__bsd_speeds) / sizeof (__bsd_speeds[0]); ++i)
- {
- if (__bsd_speeds[i] == termios_p->__ispeed)
- buf.sg_ispeed = i;
- if (__bsd_speeds[i] == termios_p->__ospeed)
- buf.sg_ospeed = i;
- }
- if (buf.sg_ispeed == -1 || buf.sg_ospeed == -1)
- {
- __set_errno (EINVAL);
- return -1;
+ default:
+ return __ioctl (fd, TIOCSETAF, termios_p);
}
-
- buf.sg_flags &= ~(CBREAK|RAW);
- if (!(termios_p->c_lflag & ICANON))
- buf.sg_flags |= (termios_p->c_cflag & ISIG) ? CBREAK : RAW;
-#ifdef LPASS8
- if (termios_p->c_oflag & CS8)
- local |= LPASS8;
- else
- local &= ~LPASS8;
-#endif
- if (termios_p->c_lflag & _NOFLSH)
- local |= LNOFLSH;
- else
- local &= ~LNOFLSH;
- if (termios_p->c_oflag & OPOST)
- local &= ~LLITOUT;
- else
- local |= LLITOUT;
-#ifdef TIOCGETX
- if (termios_p->c_lflag & ISIG)
- extra &= ~NOISIG;
- else
- extra |= NOISIG;
- if (termios_p->c_cflag & CSTOPB)
- extra |= STOPB;
- else
- extra &= ~STOPB;
-#endif
- if (termios_p->c_iflag & ICRNL)
- buf.sg_flags |= CRMOD;
- else
- buf.sg_flags &= ~CRMOD;
- if (termios_p->c_iflag & IXOFF)
- buf.sg_flags |= TANDEM;
- else
- buf.sg_flags &= ~TANDEM;
-
- buf.sg_flags &= ~(ODDP|EVENP);
- if (!(termios_p->c_cflag & PARENB))
- buf.sg_flags |= ODDP | EVENP;
- else if (termios_p->c_cflag & PARODD)
- buf.sg_flags |= ODDP;
- else
- buf.sg_flags |= EVENP;
-
- if (termios_p->c_lflag & _ECHO)
- buf.sg_flags |= ECHO;
- else
- buf.sg_flags &= ~ECHO;
- if (termios_p->c_lflag & ECHOE)
- local |= LCRTERA;
- else
- local &= ~LCRTERA;
- if (termios_p->c_lflag & ECHOK)
- local |= LCRTKIL;
- else
- local &= ~LCRTKIL;
- if (termios_p->c_lflag & _TOSTOP)
- local |= LTOSTOP;
- else
- local &= ~LTOSTOP;
-
- buf.sg_erase = termios_p->c_cc[VERASE];
- buf.sg_kill = termios_p->c_cc[VKILL];
- tchars.t_eofc = termios_p->c_cc[VEOF];
- tchars.t_intrc = termios_p->c_cc[VINTR];
- tchars.t_quitc = termios_p->c_cc[VQUIT];
- ltchars.t_suspc = termios_p->c_cc[VSUSP];
- tchars.t_startc = termios_p->c_cc[VSTART];
- tchars.t_stopc = termios_p->c_cc[VSTOP];
-
- if (__ioctl (fd, TIOCSETP, &buf) < 0 ||
- __ioctl (fd, TIOCSETC, &tchars) < 0 ||
- __ioctl (fd, TIOCSLTC, <chars) < 0 ||
-#ifdef TIOCGETX
- __ioctl (fd, TIOCSETX, &extra) < 0 ||
-#endif
- __ioctl (fd, TIOCLSET, &local) < 0)
- return -1;
- return 0;
}
libc_hidden_def (tcsetattr)