add 'ttyflags', to set driver specific tty flags
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# $Id: Makefile,v 1.1 1994/03/30 09:29:16 cgd Exp $
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PROG= ttyflags
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.include <bsd.prog.mk>
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.\"
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.\" Copyright (c) 1994 Christopher G. Demetriou
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by Christopher G. Demetriou.
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.\" 3. The name of the author may not be used to endorse or promote products
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.\" derived from this software without specific prior written permission
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" $Id: ttyflags.8,v 1.1 1994/03/30 09:29:18 cgd Exp $
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.\"
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.Dd March 30, 1994
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.Dt TTYFLAGS 8
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.Os NetBSD 0.9a
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.Sh NAME
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.Nm ttyflags
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.Nd set device-specific flags for terminals
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.Sh SYNOPSIS
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.Nm ttyflags
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.Op Fl v
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.Op Fl a | Ar tty ...
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.Sh DESCRIPTION
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.Nm Ttyflags
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sets the device-specific flags for terminals, based on the flags
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found on the terminal's line in
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.Pa /etc/ttys .
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.Pp
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The options are as follows:
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.Bl -tag -width Ds
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.It Fl a
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Set the flags for all terminals in
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.Pa /etc/ttys .
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.It Fl v
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Be verbose about what the terminals' flags will be set to.
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.El
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.Pp
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The
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.Ar tty
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arguments are optional, but must not be specified if the
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.Fl a
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flag is used. If specified, the
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.Ar tty
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arguments should be the base names of
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the ttys, as found in
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.Pa /etc/ttys .
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.Sh FILES
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.Bl -tag -width /etc/ttys -compact
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.It Pa /etc/ttys
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.El
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.Sh SEE ALSO
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.Xr getttyent 3 ,
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.Xr ttys 5
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.Sh HISTORY
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The
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.Nm ttyflags
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utility appeared in
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.Nx 0.9a .
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.Sh BUGS
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The conditions on which to report an error are ill-defined.
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.Nm Ttyflags
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tries to report all significant errors, perhaps going over-board
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at times.
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/*
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* Copyright (c) 1994 Christopher G. Demetriou
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Christopher G. Demetriou.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef lint
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char copyright[] =
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"@(#) Copyright (c) 1994 Christopher G. Demetriou\n\
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All rights reserved.\n";
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#endif /* not lint */
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#ifndef lint
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static char rcsid[] = "$Id: ttyflags.c,v 1.1 1994/03/30 09:29:19 cgd Exp $";
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#endif /* not lint */
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#include <sys/types.h>
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#include <sys/cdefs.h>
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#include <sys/ioctl.h>
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#include <err.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <limits.h>
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#include <paths.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <ttyent.h>
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#include <unistd.h>
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int change_all __P((void));
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int change_ttyflags __P((struct ttyent *));
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int change_ttys __P((char **));
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void usage __P((void));
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int nflag, vflag;
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/*
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* Ttyflags sets the device-specific tty flags, based on the contents
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* of /etc/ttys. It can either set all of the ttys' flags, or set
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* the flags of the ttys specified on the command line.
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*/
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int
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main(argc, argv)
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int argc;
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char *argv[];
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{
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int aflag, ch, rval;
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aflag = nflag = vflag = 0;
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while ((ch = getopt(argc, argv, "anv")) != EOF)
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switch (ch) {
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case 'a':
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aflag = 1;
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break;
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case 'n': /* undocumented */
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nflag = 1;
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break;
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case 'v':
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vflag = 1;
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break;
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case '?':
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default:
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usage();
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}
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argc -= optind;
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argv += optind;
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if (aflag && argc != 0)
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usage();
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rval = 0;
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if (setttyent() == 0)
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err(1, "setttyent");
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if (aflag)
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rval = change_all();
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else
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rval = change_ttys(argv);
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if (endttyent() == 0)
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warn("endttyent");
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exit(rval);
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}
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/*
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* Change all /etc/ttys entries' flags.
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*/
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int
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change_all()
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{
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struct ttyent *tep;
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int rval;
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rval = 0;
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for (tep = getttyent(); tep != NULL; tep = getttyent())
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if (change_ttyflags(tep))
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rval = 1;
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return (rval);
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}
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/*
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* Change the specified ttys' flags.
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*/
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int
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change_ttys(ttylist)
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char **ttylist;
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{
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struct ttyent *tep;
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int rval;
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rval = 0;
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for (; *ttylist != NULL; ttylist++) {
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tep = getttynam(*ttylist);
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if (tep == NULL) {
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warnx("couldn't find an entry in %s for \"%s\"",
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_PATH_TTYS, *ttylist);
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rval = 1;
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continue;
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}
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if (change_ttyflags(tep))
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rval = 1;
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}
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return (rval);
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}
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/*
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* Acutually do the work; find out what the new flags value should be,
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* open the device, and change the flags.
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*/
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int
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change_ttyflags(tep)
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struct ttyent *tep;
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{
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int fd, flags, rval, st;
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char path[PATH_MAX];
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st = tep->ty_status;
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flags = rval = 0;
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/* Convert ttyent.h flags into ioctl flags. */
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if (st & TTY_LOCAL)
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flags |= TIOCFLAG_CLOCAL;
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if (st & TTY_RTSCTS)
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flags |= TIOCFLAG_CRTSCTS;
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if (st & TTY_SOFTCAR)
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flags |= TIOCFLAG_SOFTCAR;
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if (st & TTY_MDMBUF)
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flags |= TIOCFLAG_MDMBUF;
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/* Find the full device path name. */
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(void)snprintf(path, sizeof path, "%s%s", _PATH_DEV, tep->ty_name);
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if (vflag)
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warnx("setting flags on %s to %0x", path, flags);
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if (nflag)
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return (0);
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/* Open the device NON-BLOCKING, set the flags, and close it. */
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if ((fd = open(path, O_RDONLY | O_NONBLOCK, 0)) == -1) {
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warn("open %s", path);
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return (1);
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}
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if (ioctl(fd, TIOCSFLAGS, &flags) == -1 && errno != ENOTTY) {
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warn("TIOCSFLAGS on %s", path);
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rval = 1;
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}
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if (close(fd) == -1) {
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warn("close %s", path);
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return (1);
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}
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return (rval);
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}
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/*
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* Print usage information when a bogus set of arguments is given.
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*/
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void
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usage()
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{
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(void)fprintf(stderr, "usage: ttyflags [-v] [-a | tty ... ]\n");
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exit(1);
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}
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