diff options
Diffstat (limited to 'contrib/tcsh/tc.disc.c')
| -rw-r--r-- | contrib/tcsh/tc.disc.c | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/contrib/tcsh/tc.disc.c b/contrib/tcsh/tc.disc.c new file mode 100644 index 0000000..7c68103 --- /dev/null +++ b/contrib/tcsh/tc.disc.c @@ -0,0 +1,200 @@ +/* $Header: /src/pub/tcsh/tc.disc.c,v 3.11 1997/10/02 16:36:31 christos Exp $ */ +/* + * tc.disc.c: Functions to set/clear line disciplines + * + */ +/*- + * Copyright (c) 1980, 1991 The Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ +#include "sh.h" + +RCSID("$Id: tc.disc.c,v 3.11 1997/10/02 16:36:31 christos Exp $") + +#ifdef OREO +#include <compat.h> +#endif /* OREO */ + +#include "ed.term.h" + +static bool add_discipline = 0; /* Did we add a line discipline */ + +#if defined(IRIS4D) || defined(OREO) || defined(sonyrisc) +# define HAVE_DISC +# ifndef POSIX +static struct termio otermiob; +# else +static struct termios otermiob; +# endif /* POSIX */ +#endif /* IRIS4D || OREO */ + +#ifdef _IBMR2 +# define HAVE_DISC +char strPOSIX[] = "posix"; +#endif /* _IBMR2 */ + +#if !defined(HAVE_DISC) && defined(TIOCGETD) && defined(NTTYDISC) +static int oldisc; +#endif /* !HAVE_DISC && TIOCGETD && NTTYDISC */ + +int +/*ARGSUSED*/ +setdisc(f) +int f; +{ +#ifdef IRIS4D +# ifndef POSIX + struct termio termiob; +# else + struct termios termiob; +# endif + + if (ioctl(f, TCGETA, (ioctl_t) & termiob) == 0) { + otermiob = termiob; +#if (SYSVREL < 4) || !defined(IRIS4D) + if (termiob.c_line != NTTYDISC || termiob.c_cc[VSWTCH] == 0) { /*}*/ + termiob.c_line = NTTYDISC; +#else + if (termiob.c_cc[VSWTCH] == 0) { +#endif + termiob.c_cc[VSWTCH] = CSWTCH; + if (ioctl(f, TCSETA, (ioctl_t) & termiob) != 0) + return (-1); + } + } + else + return (-1); + add_discipline = 1; + return (0); +#endif /* IRIS4D */ + + +#ifdef OREO +# ifndef POSIX + struct termio termiob; +# else + struct termios termiob; +# endif + + struct ltchars ltcbuf; + + if (ioctl(f, TCGETA, (ioctl_t) & termiob) == 0) { + int comp = getcompat(COMPAT_BSDTTY); + otermiob = termiob; + if ((comp & COMPAT_BSDTTY) != COMPAT_BSDTTY) { + (void) setcompat(comp | COMPAT_BSDTTY); + if (ioctl(f, TIOCGLTC, (ioctl_t) & ltcbuf) != 0) + xprintf(CGETS(21, 1, "Couldn't get local chars.\n")); + else { + ltcbuf.t_suspc = CTL_ESC('\032'); /* ^Z */ + ltcbuf.t_dsuspc = CTL_ESC('\031'); /* ^Y */ + ltcbuf.t_rprntc = CTL_ESC('\022'); /* ^R */ + ltcbuf.t_flushc = CTL_ESC('\017'); /* ^O */ + ltcbuf.t_werasc = CTL_ESC('\027'); /* ^W */ + ltcbuf.t_lnextc = CTL_ESC('\026'); /* ^V */ + if (ioctl(f, TIOCSLTC, (ioctl_t) & ltcbuf) != 0) + xprintf(CGETS(21, 2, "Couldn't set local chars.\n")); + } + termiob.c_cc[VSWTCH] = '\0'; + if (ioctl(f, TCSETAF, (ioctl_t) & termiob) != 0) + return (-1); + } + } + else + return (-1); + add_discipline = 1; + return (0); +#endif /* OREO */ + + +#ifdef _IBMR2 + union txname tx; + + tx.tx_which = 0; + + if (ioctl(f, TXGETLD, (ioctl_t) & tx) == 0) { + if (strcmp(tx.tx_name, strPOSIX) != 0) + if (ioctl(f, TXADDCD, (ioctl_t) strPOSIX) == 0) { + add_discipline = 1; + return (0); + } + return (0); + } + else + return (-1); +#endif /* _IBMR2 */ + +#ifndef HAVE_DISC +# if defined(TIOCGETD) && defined(NTTYDISC) + if (ioctl(f, TIOCGETD, (ioctl_t) & oldisc) == 0) { + if (oldisc != NTTYDISC) { + int ldisc = NTTYDISC; + + if (ioctl(f, TIOCSETD, (ioctl_t) & ldisc) != 0) + return (-1); + add_discipline = 1; + } + else + oldisc = -1; + return (0); + } + else + return (-1); +# else + return (0); +# endif /* TIOCGETD && NTTYDISC */ +#endif /* !HAVE_DISC */ +} /* end setdisc */ + + +int +/*ARGSUSED*/ +resetdisc(f) +int f; +{ + if (add_discipline) { + add_discipline = 0; +#if defined(OREO) || defined(IRIS4D) + return (ioctl(f, TCSETAF, (ioctl_t) & otermiob)); +#endif /* OREO || IRIS4D */ + +#ifdef _IBMR2 + return (ioctl(f, TXDELCD, (ioctl_t) strPOSIX)); +#endif /* _IBMR2 */ + +#ifndef HAVE_DISC +# if defined(TIOCSETD) && defined(NTTYDISC) + return (ioctl(f, TIOCSETD, (ioctl_t) & oldisc)); +# endif /* TIOCSETD && NTTYDISC */ +#endif /* !HAVE_DISC */ + } + return (0); +} /* end resetdisc */ |
