bin/stty/modes.c

0 /* $NetBSD: modes.c,v 1.17 2006/10/16 00:37:55 christos Exp $ */
3 /*-
4  * Copyright (c) 1991, 1993, 1994
5  *	The Regents of the University of California.  All rights reserved.
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
14  *    documentation and/or other materials provided with the distribution.
15  * 3. Neither the name of the University nor the names of its contributors
17  *    without specific prior written permission.
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29  * SUCH DAMAGE.
32 #include <sys/cdefs.h>
34 #if 0
35 static char sccsid[] = "@(#)modes.c	8.3 (Berkeley) 4/2/94";
37 __RCSID("$NetBSD: modes.c,v 1.17 2006/10/16 00:37:55 christos Exp $");
41 #include <sys/types.h>
43 #include <stddef.h>
44 #include <string.h>
45 #include <stdbool.h>
47 #include "stty.h"
48 #include "extern.h"
63  * options, i.e. "foo" must immediately precede "-foo".
65 const struct modes cmodes[] = {
76 	{ .name = NULL },
79 const struct specialmodes cspecialmodes[] = {
85 	{ "-parity",	CS8, PARODD | PARENB | CSIZE },
87 	{ "-evenp",	CS8, PARODD | PARENB | CSIZE },
89 	{ "-oddp",	CS8, PARODD | PARENB | CSIZE },
91 	{ "-pass8",	PARENB | CS7, PARODD | CSIZE },
92 	{ .name = NULL },
95 const struct modes imodes[] = {
111 	{ .name = NULL },
114 const struct specialmodes ispecialmodes[] = {
115 	{ "decctlq",	0, IXANY },
116 	{ "-decctlq",	IXANY, 0 },
117 	{ .name = NULL },
120 const struct modes lmodes[] = {
142 	{ .name = NULL },
145 const struct specialmodes lspecialmodes[] = {
147 	{ "-crt",	ECHOK, ECHOE|ECHOKE|ECHOCTL },
149 	{ "-newcrt",	ECHOK, ECHOE|ECHOKE|ECHOCTL },
150 	{ "kerninfo",	0, NOKERNINFO },
151 	{ "-kerninfo",	NOKERNINFO, 0 },
152 	{ .name = NULL },
155 const struct modes omodes[] = {
162 	{ .name = NULL },
165 const struct specialmodes ospecialmodes[] = {
166 	{ "litout",	0, OPOST },
167 	{ "-litout",	OPOST, 0 },
168 	{ "tabs",	0, OXTABS },		/* "preserve" tabs */
169 	{ "-tabs",	OXTABS, 0 },
170 	{ .name = NULL },
173 #define	CHK(s)	(!strcmp(name, s))
177     const struct specialmodes *smp, tcflag_t *f)
181 	for (; smp->name; ++smp)
182 		if (CHK(smp->name)) {
183 			*f &= ~smp->unset;
184 			*f |= smp->set;
185 			return 1;
188 	if ((neg = (*name == '-')))
189 		name++;
191 	for (; mp->name; ++mp)
192 		if (CHK(mp->name)) {
194 				*f &= ~mp->flag;
196 				*f |= mp->flag;
197 			return 1;
200 	return 0;
206 	const char *name = **argvp;
208 	if (modeset(name, cmodes, cspecialmodes, &ip->t.c_cflag))
211 	if (modeset(name, imodes, ispecialmodes, &ip->t.c_iflag))
214 	if (modeset(name, lmodes, lspecialmodes, &ip->t.c_lflag))
217 	if (modeset(name, omodes, ospecialmodes, &ip->t.c_oflag))
220 	return 0;
221 out:
222 	ip->set = 1;
223 	return 1;