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ttcompat.c revision 1.1
      1 /*
      2  * Copyright (c) 1995
      3  *	The Regents of the University of California.  All rights reserved.
      4  *
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. All advertising materials mentioning features or use of this software
     15  *    must display the following acknowledgement:
     16  *	This product includes software developed by the University of
     17  *	California, Berkeley and its contributors.
     18  * 4. Neither the name of the University nor the names of its contributors
     19  *    may be used to endorse or promote products derived from this software
     20  *    without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     32  * SUCH DAMAGE.
     33  */
     34 
     35 /*
     36  * ttcompat.c -- convert sgtty flags to termios
     37  *	originally from /sys/kern/tty_compat.c
     38  */
     39 
     40 #include <sys/param.h>
     41 #include <sys/types.h>
     42 
     43 #include <unistd.h>
     44 #include <sys/ioctl_compat.h>
     45 #include <termios.h>
     46 #include <syslog.h>
     47 #include <fcntl.h>
     48 #include <dirent.h>
     49 #include <errno.h>
     50 #include <stdio.h>
     51 #include <string.h>
     52 #include <stdlib.h>
     53 #include "extern.h"
     54 
     55 void
     56 sttyclearflags(tp, flags)
     57 struct termios *tp;
     58 long flags;
     59 {
     60 	register long iflag = tp->c_iflag;
     61 	register long oflag = tp->c_oflag;
     62 	register long lflag = tp->c_lflag;
     63 	register long cflag = tp->c_cflag;
     64 
     65 	if (flags & TANDEM)
     66 		iflag &= ~IXOFF;
     67 	if (flags & ECHO)
     68 		lflag &= ~ECHO;
     69 	if (flags & CRMOD) {
     70 		iflag &= ~ICRNL;
     71 		oflag &= ~ONLCR;
     72 	}
     73 	if (flags & XTABS)
     74 		oflag &= ~OXTABS;
     75 
     76 
     77 	if (flags & RAW) {
     78 		iflag |= BRKINT|IXON|IMAXBEL;
     79 		lflag |= ISIG|IEXTEN;
     80 		if (flags & CBREAK)
     81 			lflag &= ~ICANON;
     82 		else
     83 			lflag |= ICANON;
     84 	}
     85 
     86 	switch (flags & ANYP) {
     87 	case EVENP:
     88 		iflag |= INPCK;
     89 		cflag |= PARODD;
     90 		break;
     91 	case ODDP:
     92 		iflag |= INPCK;
     93 		cflag &= ~PARODD;
     94 		break;
     95 	}
     96 
     97 	if (flags & (RAW|LITOUT|PASS8)) {
     98 		cflag &= ~CSIZE;
     99 		cflag |= CS7|PARENB;
    100 		iflag |= ISTRIP;
    101 		oflag |= OPOST;
    102 	}
    103 
    104 	tp->c_iflag = iflag;
    105 	tp->c_oflag = oflag;
    106 	tp->c_lflag = lflag;
    107 	tp->c_cflag = cflag;
    108 }
    109 
    110 void
    111 sttysetflags(tp, flags)
    112 struct termios *tp;
    113 long flags;
    114 {
    115 	register long iflag = tp->c_iflag;
    116 	register long oflag = tp->c_oflag;
    117 	register long lflag = tp->c_lflag;
    118 	register long cflag = tp->c_cflag;
    119 
    120 	if (flags & TANDEM)
    121 		iflag |= IXOFF;
    122 	if (flags & ECHO)
    123 		lflag |= ECHO;
    124 	if (flags & CRMOD) {
    125 		iflag |= ICRNL;
    126 		oflag |= ONLCR;
    127 	}
    128 	if (flags & XTABS)
    129 		oflag |= OXTABS;
    130 
    131 	if (flags & RAW) {
    132 		iflag &= IXOFF;
    133 		lflag &= ~(ISIG|ICANON|IEXTEN);
    134 	}
    135 
    136 	switch (flags & ANYP) {
    137 	case EVENP:
    138 		iflag |= INPCK;
    139 		cflag &= ~PARODD;
    140 		break;
    141 	case ODDP:
    142 		iflag |= INPCK;
    143 		cflag |= PARODD;
    144 		break;
    145 	}
    146 
    147 	if (flags & (RAW|LITOUT|PASS8)) {
    148 		cflag &= ~(CSIZE|PARENB);
    149 		cflag |= CS8;
    150 		if ((flags & (RAW|PASS8)) == 0)
    151 			iflag |= ISTRIP;
    152 		else
    153 			iflag &= ~ISTRIP;
    154 		if ((flags & (RAW|LITOUT)) == 0)
    155 			oflag |= OPOST;
    156 		else
    157 			oflag &= ~OPOST;
    158 	}
    159 
    160 	tp->c_iflag = iflag;
    161 	tp->c_oflag = oflag;
    162 	tp->c_lflag = lflag;
    163 	tp->c_cflag = cflag;
    164 }
    165 
    166 void
    167 sttyclearlflags(tp, flags)
    168 struct termios *tp;
    169 long flags;
    170 {
    171 	register long iflag = tp->c_iflag;
    172 	register long oflag = tp->c_oflag;
    173 	register long lflag = tp->c_lflag;
    174 	register long cflag = tp->c_cflag;
    175 
    176 	/* Nothing we can do with CRTBS. */
    177 	if (flags & PRTERA)
    178 		lflag &= ~ECHOPRT;
    179 	if (flags & CRTERA)
    180 		lflag &= ~ECHOE;
    181 	/* Nothing we can do with TILDE. */
    182 	if (flags & MDMBUF)
    183 		cflag &= ~MDMBUF;
    184 	if (flags & NOHANG)
    185 		cflag |= HUPCL;
    186 	if (flags & CRTKIL)
    187 		lflag &= ~ECHOKE;
    188 	if (flags & CTLECH)
    189 		lflag &= ~ECHOCTL;
    190 	if ((flags & DECCTQ) == 0)
    191 		iflag &= ~IXANY;
    192 	lflag &= ~(flags&(TOSTOP|FLUSHO|PENDIN|NOFLSH));
    193 
    194 	if (flags & (RAW|LITOUT|PASS8)) {
    195 		cflag &= ~CSIZE;
    196 		cflag |= CS7|PARENB;
    197 		iflag |= ISTRIP;
    198 		oflag |= OPOST;
    199 	}
    200 
    201 	tp->c_iflag = iflag;
    202 	tp->c_oflag = oflag;
    203 	tp->c_lflag = lflag;
    204 	tp->c_cflag = cflag;
    205 }
    206 
    207 void
    208 sttysetlflags(tp, flags)
    209 struct termios *tp;
    210 long flags;
    211 {
    212 	register long iflag = tp->c_iflag;
    213 	register long oflag = tp->c_oflag;
    214 	register long lflag = tp->c_lflag;
    215 	register long cflag = tp->c_cflag;
    216 
    217 	/* Nothing we can do with CRTBS. */
    218 	if (flags & PRTERA)
    219 		lflag |= ECHOPRT;
    220 	if (flags & CRTERA)
    221 		lflag |= ECHOE;
    222 	/* Nothing we can do with TILDE. */
    223 	if (flags & MDMBUF)
    224 		cflag |= MDMBUF;
    225 	if (flags & NOHANG)
    226 		cflag &= ~HUPCL;
    227 	if (flags & CRTKIL)
    228 		lflag |= ECHOKE;
    229 	if (flags & CTLECH)
    230 		lflag |= ECHOCTL;
    231 	if ((flags & DECCTQ) == 0)
    232 		iflag |= IXANY;
    233 	lflag &= ~(TOSTOP|FLUSHO|PENDIN|NOFLSH);
    234 	lflag |= flags&(TOSTOP|FLUSHO|PENDIN|NOFLSH);
    235 
    236 	if (flags & (RAW|LITOUT|PASS8)) {
    237 		cflag &= ~(CSIZE|PARENB);
    238 		cflag |= CS8;
    239 		if ((flags & (RAW|PASS8)) == 0)
    240 			iflag |= ISTRIP;
    241 		else
    242 			iflag &= ~ISTRIP;
    243 		if ((flags & (RAW|LITOUT)) == 0)
    244 			oflag |= OPOST;
    245 		else
    246 			oflag &= ~OPOST;
    247 	}
    248 
    249 	tp->c_iflag = iflag;
    250 	tp->c_oflag = oflag;
    251 	tp->c_lflag = lflag;
    252 	tp->c_cflag = cflag;
    253 }
    254