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b53fe14843
This patch adds the necessary kernel and stty code to support setting the IUTF8 flag for ttys. It is the first of two patches that fix backspace behaviour for UTF-8 encoded characters when in canonical mode. Reported by: christos Reviewed by: christos, imp MFC after: 2 weeks Differential Revision: https://reviews.freebsd.org/D42066 (cherry picked from commit 128f63cedc14ae21b35f74e11e2fe1a5659c58e8)
247 lines
6.9 KiB
C
247 lines
6.9 KiB
C
/*-
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* Copyright (c) 1991, 1993, 1994
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* The Regents of the University of California. 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. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)modes.c 8.3 (Berkeley) 4/2/94";
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#endif
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#endif /* not lint */
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#include <sys/cdefs.h>
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#include <sys/types.h>
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#include <string.h>
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#include "stty.h"
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int msearch(char ***, struct info *);
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struct modes {
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const char *name;
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long set;
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long unset;
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};
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/*
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* The code in optlist() depends on minus options following regular
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* options, i.e. "foo" must immediately precede "-foo".
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*/
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static const struct modes cmodes[] = {
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{ "cs5", CS5, CSIZE },
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{ "cs6", CS6, CSIZE },
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{ "cs7", CS7, CSIZE },
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{ "cs8", CS8, CSIZE },
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{ "cstopb", CSTOPB, 0 },
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{ "-cstopb", 0, CSTOPB },
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{ "cread", CREAD, 0 },
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{ "-cread", 0, CREAD },
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{ "parenb", PARENB, 0 },
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{ "-parenb", 0, PARENB },
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{ "parodd", PARODD, 0 },
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{ "-parodd", 0, PARODD },
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{ "parity", PARENB | CS7, PARODD | CSIZE },
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{ "-parity", CS8, PARODD | PARENB | CSIZE },
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{ "evenp", PARENB | CS7, PARODD | CSIZE },
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{ "-evenp", CS8, PARODD | PARENB | CSIZE },
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{ "oddp", PARENB | CS7 | PARODD, CSIZE },
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{ "-oddp", CS8, PARODD | PARENB | CSIZE },
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{ "pass8", CS8, PARODD | PARENB | CSIZE },
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{ "-pass8", PARENB | CS7, PARODD | CSIZE },
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{ "hupcl", HUPCL, 0 },
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{ "-hupcl", 0, HUPCL },
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{ "hup", HUPCL, 0 },
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{ "-hup", 0, HUPCL },
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{ "clocal", CLOCAL, 0 },
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{ "-clocal", 0, CLOCAL },
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{ "crtscts", CRTSCTS, 0 },
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{ "-crtscts", 0, CRTSCTS },
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{ "ctsflow", CCTS_OFLOW, 0 },
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{ "-ctsflow", 0, CCTS_OFLOW },
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{ "dsrflow", CDSR_OFLOW, 0 },
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{ "-dsrflow", 0, CDSR_OFLOW },
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{ "dtrflow", CDTR_IFLOW, 0 },
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{ "-dtrflow", 0, CDTR_IFLOW },
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{ "rtsflow", CRTS_IFLOW, 0 },
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{ "-rtsflow", 0, CRTS_IFLOW },
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{ "mdmbuf", MDMBUF, 0 },
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{ "-mdmbuf", 0, MDMBUF },
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{ "rtsdtr", 0, CNO_RTSDTR },
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{ "-rtsdtr", CNO_RTSDTR, 0 },
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{ NULL, 0, 0 },
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};
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static const struct modes imodes[] = {
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{ "ignbrk", IGNBRK, 0 },
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{ "-ignbrk", 0, IGNBRK },
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{ "brkint", BRKINT, 0 },
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{ "-brkint", 0, BRKINT },
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{ "ignpar", IGNPAR, 0 },
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{ "-ignpar", 0, IGNPAR },
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{ "parmrk", PARMRK, 0 },
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{ "-parmrk", 0, PARMRK },
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{ "inpck", INPCK, 0 },
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{ "-inpck", 0, INPCK },
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{ "istrip", ISTRIP, 0 },
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{ "-istrip", 0, ISTRIP },
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{ "inlcr", INLCR, 0 },
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{ "-inlcr", 0, INLCR },
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{ "igncr", IGNCR, 0 },
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{ "-igncr", 0, IGNCR },
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{ "icrnl", ICRNL, 0 },
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{ "-icrnl", 0, ICRNL },
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{ "ixon", IXON, 0 },
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{ "-ixon", 0, IXON },
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{ "flow", IXON, 0 },
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{ "-flow", 0, IXON },
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{ "ixoff", IXOFF, 0 },
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{ "-ixoff", 0, IXOFF },
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{ "tandem", IXOFF, 0 },
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{ "-tandem", 0, IXOFF },
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{ "ixany", IXANY, 0 },
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{ "-ixany", 0, IXANY },
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{ "decctlq", 0, IXANY },
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{ "-decctlq", IXANY, 0 },
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{ "imaxbel", IMAXBEL, 0 },
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{ "-imaxbel", 0, IMAXBEL },
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{ "iutf8", IUTF8, 0 },
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{ "-iutf8", 0, IUTF8 },
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{ NULL, 0, 0 },
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};
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static const struct modes lmodes[] = {
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{ "echo", ECHO, 0 },
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{ "-echo", 0, ECHO },
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{ "echoe", ECHOE, 0 },
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{ "-echoe", 0, ECHOE },
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{ "crterase", ECHOE, 0 },
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{ "-crterase", 0, ECHOE },
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{ "crtbs", ECHOE, 0 }, /* crtbs not supported, close enough */
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{ "-crtbs", 0, ECHOE },
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{ "echok", ECHOK, 0 },
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{ "-echok", 0, ECHOK },
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{ "echoke", ECHOKE, 0 },
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{ "-echoke", 0, ECHOKE },
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{ "crtkill", ECHOKE, 0 },
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{ "-crtkill", 0, ECHOKE },
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{ "altwerase", ALTWERASE, 0 },
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{ "-altwerase", 0, ALTWERASE },
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{ "iexten", IEXTEN, 0 },
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{ "-iexten", 0, IEXTEN },
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{ "echonl", ECHONL, 0 },
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{ "-echonl", 0, ECHONL },
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{ "echoctl", ECHOCTL, 0 },
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{ "-echoctl", 0, ECHOCTL },
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{ "ctlecho", ECHOCTL, 0 },
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{ "-ctlecho", 0, ECHOCTL },
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{ "echoprt", ECHOPRT, 0 },
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{ "-echoprt", 0, ECHOPRT },
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{ "prterase", ECHOPRT, 0 },
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{ "-prterase", 0, ECHOPRT },
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{ "isig", ISIG, 0 },
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{ "-isig", 0, ISIG },
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{ "icanon", ICANON, 0 },
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{ "-icanon", 0, ICANON },
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{ "noflsh", NOFLSH, 0 },
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{ "-noflsh", 0, NOFLSH },
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{ "tostop", TOSTOP, 0 },
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{ "-tostop", 0, TOSTOP },
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{ "flusho", FLUSHO, 0 },
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{ "-flusho", 0, FLUSHO },
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{ "pendin", PENDIN, 0 },
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{ "-pendin", 0, PENDIN },
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{ "crt", ECHOE|ECHOKE|ECHOCTL, ECHOK|ECHOPRT },
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{ "-crt", ECHOK, ECHOE|ECHOKE|ECHOCTL },
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{ "newcrt", ECHOE|ECHOKE|ECHOCTL, ECHOK|ECHOPRT },
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{ "-newcrt", ECHOK, ECHOE|ECHOKE|ECHOCTL },
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{ "nokerninfo", NOKERNINFO, 0 },
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{ "-nokerninfo",0, NOKERNINFO },
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{ "kerninfo", 0, NOKERNINFO },
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{ "-kerninfo", NOKERNINFO, 0 },
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{ NULL, 0, 0 },
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};
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static const struct modes omodes[] = {
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{ "opost", OPOST, 0 },
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{ "-opost", 0, OPOST },
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{ "litout", 0, OPOST },
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{ "-litout", OPOST, 0 },
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{ "onlcr", ONLCR, 0 },
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{ "-onlcr", 0, ONLCR },
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{ "ocrnl", OCRNL, 0 },
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{ "-ocrnl", 0, OCRNL },
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{ "tabs", TAB0, TABDLY }, /* "preserve" tabs */
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{ "-tabs", TAB3, TABDLY },
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{ "oxtabs", TAB3, TABDLY },
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{ "-oxtabs", TAB0, TABDLY },
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{ "tab0", TAB0, TABDLY },
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{ "tab3", TAB3, TABDLY },
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{ "onocr", ONOCR, 0 },
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{ "-onocr", 0, ONOCR },
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{ "onlret", ONLRET, 0 },
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{ "-onlret", 0, ONLRET },
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{ NULL, 0, 0 },
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};
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#define CHK(s) (*name == s[0] && !strcmp(name, s))
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int
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msearch(char ***argvp, struct info *ip)
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{
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const struct modes *mp;
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char *name;
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name = **argvp;
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for (mp = cmodes; mp->name; ++mp)
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if (CHK(mp->name)) {
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ip->t.c_cflag &= ~mp->unset;
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ip->t.c_cflag |= mp->set;
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ip->set = 1;
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return (1);
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}
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for (mp = imodes; mp->name; ++mp)
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if (CHK(mp->name)) {
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ip->t.c_iflag &= ~mp->unset;
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ip->t.c_iflag |= mp->set;
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ip->set = 1;
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return (1);
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}
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for (mp = lmodes; mp->name; ++mp)
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if (CHK(mp->name)) {
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ip->t.c_lflag &= ~mp->unset;
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ip->t.c_lflag |= mp->set;
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ip->set = 1;
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return (1);
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}
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for (mp = omodes; mp->name; ++mp)
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if (CHK(mp->name)) {
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ip->t.c_oflag &= ~mp->unset;
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ip->t.c_oflag |= mp->set;
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ip->set = 1;
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return (1);
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}
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return (0);
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}
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