source: trunk/athena/bin/lpr/modes.c @ 7907

/*-
 * Copyright (c) 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.
 */

/* This is slightly hacked version of bin/stty/modes.c.
 * James Clark (jjc@jclark.com) as part of lprps package.
 */

#ifndef lint
static char sccsid[] = "@(#)modes.c     5.4 (Berkeley) 6/10/91";
#endif /* not lint */

/* The Berkeley spooler uses some flags which are not supported by POSIX
 * but which may be present in SYS5 or BSD
 */
#if defined(_POSIX_SOURCE)
#undef _POSIX_SOURCE
#endif

#include <termios.h>
#include <string.h>

struct modes {
        char *name;
        long set;
        long unset;
};

static struct modes cmodes[] = {
        "cs5",          CS5, CSIZE,
        "cs6",          CS6, CSIZE,
        "cs7",          CS7, CSIZE,
        "cs8",          CS8, CSIZE,
        "cstopb",       CSTOPB, 0,
        "-cstopb",      0, CSTOPB,
        "cread",        CREAD, 0,
        "-cread",       0, CREAD,
        "parenb",       PARENB, 0,
        "-parenb",      0, PARENB,
        "parodd",       PARODD, 0,
        "-parodd",      0, PARODD,
        "parity",       PARENB | CS7, PARODD | CSIZE,
        "-parity",      CS8, PARODD | PARENB | CSIZE,
        "evenp",        PARENB | CS7, PARODD | CSIZE,
        "-evenp",       CS8, PARODD | PARENB | CSIZE,
        "oddp",         PARENB | CS7 | PARODD, CSIZE,
        "-oddp",        CS8, PARODD | PARENB | CSIZE,
        "pass8",        CS8, PARODD | PARENB | CSIZE,
        "hupcl",        HUPCL, 0,
        "-hupcl",       0, HUPCL,
        "hup",          HUPCL, 0,
        "-hup",         0, HUPCL,
        "clocal",       CLOCAL, 0,
        "-clocal",      0, CLOCAL,
        NULL
};

static struct modes imodes[] = {
        "ignbrk",       IGNBRK, 0,
        "-ignbrk",      0, IGNBRK,
        "brkint",       BRKINT, 0,
        "-brkint",      0, BRKINT,
        "ignpar",       IGNPAR, 0,
        "-ignpar",      0, IGNPAR,
        "parmrk",       PARMRK, 0,
        "-parmrk",      0, PARMRK,
        "inpck",        INPCK, 0,
        "-inpck",       0, INPCK,
        "istrip",       ISTRIP, 0,
        "-istrip",      0, ISTRIP,
        "inlcr",        INLCR, 0,
        "-inlcr",       0, INLCR,
        "igncr",        IGNCR, 0,
        "-igncr",       0, IGNCR,
        "icrnl",        ICRNL, 0,
        "-icrnl",       0, ICRNL,
        "ixon",         IXON, 0,
        "-ixon",        0, IXON,
        "flow",         IXON, 0,
        "-flow",        0, IXON,
        "ixoff",        IXOFF, 0,
        "-ixoff",       0, IXOFF,
        "tandem",       IXOFF, 0,
        "-tandem",      0, IXOFF,
        "ixany",        IXANY, 0,
        "-ixany",       0, IXANY,
        "decctlq",      0, IXANY,
        "-decctlq",     IXANY, 0,
#ifdef IMAXBEL
        "imaxbel",      IMAXBEL, 0,
        "-imaxbel",     0, IMAXBEL,
#endif
        NULL
};

static struct modes lmodes[] = {
        "echo",         ECHO, 0,
        "-echo",        0, ECHO,
        "echoe",        ECHOE, 0,
        "-echoe",       0, ECHOE,
        "crterase",     ECHOE, 0,
        "-crterase",    0, ECHOE,
        "crtbs",        ECHOE, 0,   /* crtbs not supported, close enough */
        "-crtbs",       0, ECHOE,
        "echok",        ECHOK, 0,
        "-echok",       0, ECHOK,
#ifdef ECHOKE
        "echoke",       ECHOKE, 0,
        "-echoke",      0, ECHOKE,
        "crtkill",      ECHOKE, 0,
        "-crtkill",     0, ECHOKE,
#endif
        "iexten",       IEXTEN, 0,
        "-iexten",      0, IEXTEN,
        "echonl",       ECHONL, 0,
        "-echonl",      0, ECHONL,
#ifdef ECHOCTL
        "echoctl",      ECHOCTL, 0,
        "-echoctl",     0, ECHOCTL,
        "ctlecho",      ECHOCTL, 0,
        "-ctlecho",     0, ECHOCTL,
#endif
#ifdef ECHOPRT
        "echoprt",      ECHOPRT, 0,
        "-echoprt",     0, ECHOPRT,
        "prterase",     ECHOPRT, 0,
        "-prterase",    0, ECHOPRT,
#endif
        "isig",         ISIG, 0,
        "-isig",        0, ISIG,
        "icanon",       ICANON, 0,
        "-icanon",      0, ICANON,
        "noflsh",       NOFLSH, 0,
        "-noflsh",      0, NOFLSH,
        "tostop",       TOSTOP, 0,
        "-tostop",      0, TOSTOP,
#ifndef POSIX
        "mdmbuf",       MDMBUF, 0,
        "-mdmbuf",      0, MDMBUF,
#endif
        "flusho",       FLUSHO, 0,
        "-flusho",      0, FLUSHO,
        "pendin",       PENDIN, 0,
        "-pendin",      0, PENDIN,
#if defined(ECHOKE) && defined(ECHOCTL) && defined(ECHOPRT)
        "crt",          ECHOE|ECHOKE|ECHOCTL, ECHOK|ECHOPRT,
        "-crt",         ECHOK, ECHOE|ECHOKE|ECHOCTL,
        "newcrt",       ECHOE|ECHOKE|ECHOCTL, ECHOK|ECHOPRT,
        "-newcrt",      ECHOK, ECHOE|ECHOKE|ECHOCTL, 
#endif
        NULL
};

static struct modes omodes[] = {
        "opost",        OPOST, 0,
        "-opost",       0, OPOST,
        "litout",       0, OPOST,
        "-litout",      OPOST, 0,
        "onlcr",        ONLCR, 0,
        "-onlcr",       0, ONLCR,
        NULL
};

#define CHK(s)  (*name == s[0] && !strcmp(name, s))

/* Return 0 for OK, -1 on error (analogous to cfset[oi]speed.) */

setmode(tp, name)
        struct termios *tp;
        char *name;
{
        register struct modes *mp;

        for (mp = cmodes; mp->name; ++mp)
                if (CHK(mp->name)) {
                        tp->c_cflag &= ~mp->unset;
                        tp->c_cflag |= mp->set;
                        return(0);
                }
        for (mp = imodes; mp->name; ++mp)
                if (CHK(mp->name)) {
                        tp->c_iflag &= ~mp->unset;
                        tp->c_iflag |= mp->set;
                        return(0);
                }
        for (mp = lmodes; mp->name; ++mp)
                if (CHK(mp->name)) {
                        tp->c_lflag &= ~mp->unset;
                        tp->c_lflag |= mp->set;
                        return(0);
                }
        for (mp = omodes; mp->name; ++mp)
                if (CHK(mp->name)) {
                        tp->c_oflag &= ~mp->unset;
                        tp->c_oflag |= mp->set;
                        return(0);
                }
        return(-1);
}