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authorRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
committerRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
commit28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch)
tree15f07c4c43d635959c6afee96bde71fb1b3614ee /sysdeps/unix/bsd/tcsetattr.c
downloadglibc-28f540f45bbacd939bfd07f213bcad2bf730b1bf.tar.gz
initial import
Diffstat (limited to 'sysdeps/unix/bsd/tcsetattr.c')
-rw-r--r--sysdeps/unix/bsd/tcsetattr.c186
1 files changed, 186 insertions, 0 deletions
diff --git a/sysdeps/unix/bsd/tcsetattr.c b/sysdeps/unix/bsd/tcsetattr.c
new file mode 100644
index 0000000000..e731d830f6
--- /dev/null
+++ b/sysdeps/unix/bsd/tcsetattr.c
@@ -0,0 +1,186 @@
+/* Copyright (C) 1991, 1993 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., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#include <ansidecl.h>
+#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,
+ };
+
+
+/* Set the state of FD to *TERMIOS_P. */
+int
+DEFUN(tcsetattr, (fd, optional_actions, termios_p),
+ int fd AND int optional_actions AND CONST struct termios *termios_p)
+{
+ struct sgttyb buf;
+ struct tchars tchars;
+ struct ltchars ltchars;
+ int local;
+#ifdef TIOCGETX
+ int extra;
+#endif
+ size_t i;
+
+ if (__ioctl(fd, TIOCGETP, &buf) < 0 ||
+ __ioctl(fd, TIOCGETC, &tchars) < 0 ||
+ __ioctl(fd, TIOCGLTC, &ltchars) < 0 ||
+#ifdef TIOCGETX
+ __ioctl(fd, TIOCGETX, &extra) < 0 ||
+#endif
+ __ioctl(fd, TIOCLGET, &local) < 0)
+ return -1;
+
+ if (termios_p == NULL)
+ {
+ errno = EINVAL;
+ return -1;
+ }
+ switch (optional_actions)
+ {
+ case TCSANOW:
+ break;
+ case TCSADRAIN:
+ if (tcdrain(fd) < 0)
+ return -1;
+ break;
+ case TCSAFLUSH:
+ if (tcflush(fd, TCIFLUSH) < 0)
+ return -1;
+ break;
+ default:
+ errno = EINVAL;
+ return -1;
+ }
+
+ 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)
+ {
+ errno = EINVAL;
+ return -1;
+ }
+
+ 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, &ltchars) < 0 ||
+#ifdef TIOCGETX
+ __ioctl(fd, TIOCSETX, &extra) < 0 ||
+#endif
+ __ioctl(fd, TIOCLSET, &local) < 0)
+ return -1;
+ return 0;
+}