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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	bin/stty/key.c	Lines:	9	106	8.5 %
Date:	2017-11-13	Branches:	2	36	5.6 %


/*	$OpenBSD: key.c,v 1.17 2016/03/23 14:52:42 mmcc Exp $	*/
/*	$NetBSD: key.c,v 1.11 1995/09/07 06:57:11 jtc Exp $	*/

/*-
 * Copyright (c) 1991, 1993, 1994
 *	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. 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.
 */

#include <sys/types.h>
#include <sys/ioctl.h>

#include <err.h>
#include <errno.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <termios.h>

#include "stty.h"
#include "extern.h"

__BEGIN_DECLS
void	f_all(struct info *);
void	f_cbreak(struct info *);
void	f_columns(struct info *);
void	f_dec(struct info *);
void	f_ek(struct info *);
void	f_everything(struct info *);
void	f_extproc(struct info *);
void	f_ispeed(struct info *);
void	f_lcase(struct info *);
void	f_nl(struct info *);
void	f_ospeed(struct info *);
void	f_raw(struct info *);
void	f_rows(struct info *);
void	f_sane(struct info *);
void	f_size(struct info *);
void	f_speed(struct info *);
void	f_ostart(struct info *);
void	f_ostop(struct info *);
void	f_tty(struct info *);
__END_DECLS

static struct key {
	char *name;				/* name */
	void (*f)(struct info *);		/* function */
#define	F_NEEDARG	0x01			/* needs an argument */
#define	F_OFFOK		0x02			/* can turn off */
	int flags;
} keys[] = {
	{ "all",	f_all,		0 },
	{ "cbreak",	f_cbreak,	F_OFFOK },
	{ "cols",	f_columns,	F_NEEDARG },
	{ "columns",	f_columns,	F_NEEDARG },
	{ "cooked", 	f_sane,		0 },
	{ "dec",	f_dec,		0 },
	{ "ek",		f_ek,		0 },
	{ "everything",	f_everything,	0 },
	{ "extproc",	f_extproc,	F_OFFOK },
	{ "ispeed",	f_ispeed,	F_NEEDARG },
	{ "lcase", 	f_lcase,	0 },
	{ "new",	f_tty,		0 },
	{ "nl",		f_nl,		F_OFFOK },
	{ "old",	f_tty,		0 },
	{ "ospeed",	f_ospeed,	F_NEEDARG },
	{ "ostart",	f_ostart,	0 },
	{ "ostop",	f_ostop,	0 },
	{ "raw",	f_raw,		F_OFFOK },
	{ "rows",	f_rows,		F_NEEDARG },
	{ "sane",	f_sane,		0 },
	{ "size",	f_size,		0 },
	{ "speed",	f_speed,	0 },
	{ "tty",	f_tty,		0 },
};

static int
c_key(const void *a, const void *b)
{

	return (strcmp(((struct key *)a)->name, ((struct key *)b)->name));
}

int
ksearch(char ***argvp, struct info *ip)
{
	char *name;
	struct key *kp, tmp;

	name = **argvp;
	if (*name == '-') {
		ip->off = 1;
		++name;
	} else
		ip->off = 0;

	tmp.name = name;
	if (!(kp = (struct key *)bsearch(&tmp, keys,
	    sizeof(keys)/sizeof(struct key), sizeof(struct key), c_key)))
		return (0);
	if (!(kp->flags & F_OFFOK) && ip->off) {
		warnx("illegal option -- -%s", name);
		usage();
	}
	if (kp->flags & F_NEEDARG && !(ip->arg = *++*argvp)) {
		warnx("option requires an argument -- %s", name);
		usage();
	}
	kp->f(ip);
	return (1);
}

void
f_all(struct info *ip)
{
	print(&ip->t, &ip->win, ip->ldisc, BSD);
}

void
f_cbreak(struct info *ip)
{

	if (ip->off)
		f_sane(ip);
	else {
		ip->t.c_iflag |= BRKINT|IXON|IMAXBEL;
		ip->t.c_oflag |= OPOST;
		ip->t.c_lflag |= ISIG|IEXTEN;
		ip->t.c_lflag &= ~ICANON;
		ip->set = 1;
	}
}

void
f_columns(struct info *ip)
{
	const char *error;

	ip->win.ws_col = strtonum(ip->arg, 0, USHRT_MAX, &error);
	if (error)
		err(1, "cols %s", ip->arg);
	ip->wset = 1;
}

void
f_dec(struct info *ip)
{

	ip->t.c_cc[VERASE] = (u_char)0177;
	ip->t.c_cc[VKILL] = CTRL('u');
	ip->t.c_cc[VINTR] = CTRL('c');
	ip->t.c_lflag &= ~ECHOPRT;
	ip->t.c_lflag |= ECHOE|ECHOKE|ECHOCTL;
	ip->t.c_iflag &= ~IXANY;
	ip->set = 1;
}

void
f_ek(struct info *ip)
{

	ip->t.c_cc[VERASE] = CERASE;
	ip->t.c_cc[VKILL] = CKILL;
	ip->set = 1;
}

void
f_everything(struct info *ip)
{

	print(&ip->t, &ip->win, ip->ldisc, BSD);
}

void
f_extproc(struct info *ip)
{

	if (ip->off) {
		int tmp = 0;
		(void)ioctl(ip->fd, TIOCEXT, &tmp);
	} else {
		int tmp = 1;
		(void)ioctl(ip->fd, TIOCEXT, &tmp);
	}
	ip->set = 1;
}

void
f_ispeed(struct info *ip)
{
	const char *errstr;
	speed_t speed;

	speed = strtonum(ip->arg, 0, UINT_MAX, &errstr);
	if (errstr)
		err(1, "ispeed %s", ip->arg);
	cfsetispeed(&ip->t, speed);
	ip->set = 1;
}

void
f_lcase(struct info *ip)
{
	if (ip->off) {
		ip->t.c_iflag &= ~IUCLC;
		ip->t.c_oflag &= ~OLCUC;
		ip->t.c_lflag &= ~XCASE;
	} else {
		ip->t.c_iflag |= IUCLC;
		ip->t.c_oflag |= OLCUC;
		ip->t.c_lflag |= XCASE;
	}
	ip->set = 1;
}

void
f_nl(struct info *ip)
{

	if (ip->off) {
		ip->t.c_iflag |= ICRNL;
		ip->t.c_oflag |= ONLCR;
	} else {
		ip->t.c_iflag &= ~ICRNL;
		ip->t.c_oflag &= ~ONLCR;
	}
	ip->set = 1;
}

void
f_ospeed(struct info *ip)
{
	const char *errstr;
	speed_t speed;

	speed = strtonum(ip->arg, 0, UINT_MAX, &errstr);
	if (errstr)
		err(1, "ospeed %s", ip->arg);
	cfsetospeed(&ip->t, speed);
	ip->set = 1;
}

void
f_raw(struct info *ip)
{

	if (ip->off)
		f_sane(ip);
	else {
		cfmakeraw(&ip->t);
		ip->t.c_cflag &= ~(CSIZE|PARENB);
		ip->t.c_cflag |= CS8;
		ip->set = 1;
	}
}

void
f_rows(struct info *ip)
{
	const char *error;

	ip->win.ws_row = strtonum(ip->arg, 0, USHRT_MAX, &error);
	if (error)
		err(1, "rows %s", ip->arg);
	ip->wset = 1;
}

void
f_sane(struct info *ip)
{

	ip->t.c_cflag = TTYDEF_CFLAG | (ip->t.c_cflag & (CLOCAL|CRTSCTS));
	ip->t.c_iflag = TTYDEF_IFLAG;
	ip->t.c_iflag |= ICRNL;
	/* preserve user-preference flags in lflag */
#define	LKEEP	(ECHOKE|ECHOE|ECHOK|ECHOPRT|ECHOCTL|ALTWERASE|TOSTOP|NOFLSH)
	ip->t.c_lflag = TTYDEF_LFLAG | (ip->t.c_lflag & LKEEP);
	ip->t.c_oflag = TTYDEF_OFLAG;
	ip->set = 1;
}

void
f_size(struct info *ip)
{

	(void)printf("%d %d\n", ip->win.ws_row, ip->win.ws_col);
}

void
f_speed(struct info *ip)
{

	(void)printf("%d\n", cfgetospeed(&ip->t));
}

void
f_tty(struct info *ip)
{
	int tmp;

	tmp = TTYDISC;
	if (ioctl(ip->fd, TIOCSETD, &tmp) < 0)
		err(1, "TIOCSETD");
}

void
f_ostart(struct info *ip)
{
	if (ioctl(ip->fd, TIOCSTART) < 0)
		err(1, "TIOCSTART");
}

void
f_ostop(struct info *ip)
{
	if (ioctl(ip->fd, TIOCSTOP) < 0)
		err(1, "TIOCSTOP");
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: key.c,v 1.17 2016/03/23 14:52:42 mmcc Exp $ */
2			/* $NetBSD: key.c,v 1.11 1995/09/07 06:57:11 jtc Exp $ */
3
4			/*-
5			* Copyright (c) 1991, 1993, 1994
6			* The Regents of the University of California. All rights reserved.
7			*
8			* Redistribution and use in source and binary forms, with or without
9			* modification, are permitted provided that the following conditions
10			* are met:
11			* 1. Redistributions of source code must retain the above copyright
12			* notice, this list of conditions and the following disclaimer.
13			* 2. Redistributions in binary form must reproduce the above copyright
14			* notice, this list of conditions and the following disclaimer in the
15			* documentation and/or other materials provided with the distribution.
16			* 3. Neither the name of the University nor the names of its contributors
17			* may be used to endorse or promote products derived from this software
18			* without specific prior written permission.
19			*
20			* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21			* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23			* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24			* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30			* SUCH DAMAGE.
31			*/
32
33			#include <sys/types.h>
34			#include <sys/ioctl.h>
35
36			#include <err.h>
37			#include <errno.h>
38			#include <limits.h>
39			#include <stdio.h>
40			#include <stdlib.h>
41			#include <string.h>
42			#include <termios.h>
43
44			#include "stty.h"
45			#include "extern.h"
46
47			__BEGIN_DECLS
48			void f_all(struct info *);
49			void f_cbreak(struct info *);
50			void f_columns(struct info *);
51			void f_dec(struct info *);
52			void f_ek(struct info *);
53			void f_everything(struct info *);
54			void f_extproc(struct info *);
55			void f_ispeed(struct info *);
56			void f_lcase(struct info *);
57			void f_nl(struct info *);
58			void f_ospeed(struct info *);
59			void f_raw(struct info *);
60			void f_rows(struct info *);
61			void f_sane(struct info *);
62			void f_size(struct info *);
63			void f_speed(struct info *);
64			void f_ostart(struct info *);
65			void f_ostop(struct info *);
66			void f_tty(struct info *);
67			__END_DECLS
68
69			static struct key {
70			char name; / name */
71			void (f)(struct info ); /* function */
72			#define F_NEEDARG 0x01 /* needs an argument */
73			#define F_OFFOK 0x02 /* can turn off */
74			int flags;
75			} keys[] = {
76			{ "all", f_all, 0 },
77			{ "cbreak", f_cbreak, F_OFFOK },
78			{ "cols", f_columns, F_NEEDARG },
79			{ "columns", f_columns, F_NEEDARG },
80			{ "cooked", f_sane, 0 },
81			{ "dec", f_dec, 0 },
82			{ "ek", f_ek, 0 },
83			{ "everything", f_everything, 0 },
84			{ "extproc", f_extproc, F_OFFOK },
85			{ "ispeed", f_ispeed, F_NEEDARG },
86			{ "lcase", f_lcase, 0 },
87			{ "new", f_tty, 0 },
88			{ "nl", f_nl, F_OFFOK },
89			{ "old", f_tty, 0 },
90			{ "ospeed", f_ospeed, F_NEEDARG },
91			{ "ostart", f_ostart, 0 },
92			{ "ostop", f_ostop, 0 },
93			{ "raw", f_raw, F_OFFOK },
94			{ "rows", f_rows, F_NEEDARG },
95			{ "sane", f_sane, 0 },
96			{ "size", f_size, 0 },
97			{ "speed", f_speed, 0 },
98			{ "tty", f_tty, 0 },
99			};
100
101			static int
102			c_key(const void a, const void b)
103			{
104
105		180	return (strcmp(((struct key )a)->name, ((struct key )b)->name));
106			}
107
108			int
109			ksearch(char **argvp, struct info ip)
110			{
111			char *name;
112		36	struct key *kp, tmp;
113
114		18	name = **argvp;
115	✗✓	18	if (*name == '-') {
116			ip->off = 1;
117			++name;
118			} else
119		18	ip->off = 0;
120
121		18	tmp.name = name;
122	✓✗	18	if (!(kp = (struct key *)bsearch(&tmp, keys,
123			sizeof(keys)/sizeof(struct key), sizeof(struct key), c_key)))
124		18	return (0);
125			if (!(kp->flags & F_OFFOK) && ip->off) {
126			warnx("illegal option -- -%s", name);
127			usage();
128			}
129			if (kp->flags & F_NEEDARG && !(ip->arg = ++argvp)) {
130			warnx("option requires an argument -- %s", name);
131			usage();
132			}
133			kp->f(ip);
134			return (1);
135		18	}
136
137			void
138			f_all(struct info *ip)
139			{
140			print(&ip->t, &ip->win, ip->ldisc, BSD);
141			}
142
143			void
144			f_cbreak(struct info *ip)
145			{
146
147			if (ip->off)
148			f_sane(ip);
149			else {
150			ip->t.c_iflag \|= BRKINT\|IXON\|IMAXBEL;
151			ip->t.c_oflag \|= OPOST;
152			ip->t.c_lflag \|= ISIG\|IEXTEN;
153			ip->t.c_lflag &= ~ICANON;
154			ip->set = 1;
155			}
156			}
157
158			void
159			f_columns(struct info *ip)
160			{
161			const char *error;
162
163			ip->win.ws_col = strtonum(ip->arg, 0, USHRT_MAX, &error);
164			if (error)
165			err(1, "cols %s", ip->arg);
166			ip->wset = 1;
167			}
168
169			void
170			f_dec(struct info *ip)
171			{
172
173			ip->t.c_cc[VERASE] = (u_char)0177;
174			ip->t.c_cc[VKILL] = CTRL('u');
175			ip->t.c_cc[VINTR] = CTRL('c');
176			ip->t.c_lflag &= ~ECHOPRT;
177			ip->t.c_lflag \|= ECHOE\|ECHOKE\|ECHOCTL;
178			ip->t.c_iflag &= ~IXANY;
179			ip->set = 1;
180			}
181
182			void
183			f_ek(struct info *ip)
184			{
185
186			ip->t.c_cc[VERASE] = CERASE;
187			ip->t.c_cc[VKILL] = CKILL;
188			ip->set = 1;
189			}
190
191			void
192			f_everything(struct info *ip)
193			{
194
195			print(&ip->t, &ip->win, ip->ldisc, BSD);
196			}
197
198			void
199			f_extproc(struct info *ip)
200			{
201
202			if (ip->off) {
203			int tmp = 0;
204			(void)ioctl(ip->fd, TIOCEXT, &tmp);
205			} else {
206			int tmp = 1;
207			(void)ioctl(ip->fd, TIOCEXT, &tmp);
208			}
209			ip->set = 1;
210			}
211
212			void
213			f_ispeed(struct info *ip)
214			{
215			const char *errstr;
216			speed_t speed;
217
218			speed = strtonum(ip->arg, 0, UINT_MAX, &errstr);
219			if (errstr)
220			err(1, "ispeed %s", ip->arg);
221			cfsetispeed(&ip->t, speed);
222			ip->set = 1;
223			}
224
225			void
226			f_lcase(struct info *ip)
227			{
228			if (ip->off) {
229			ip->t.c_iflag &= ~IUCLC;
230			ip->t.c_oflag &= ~OLCUC;
231			ip->t.c_lflag &= ~XCASE;
232			} else {
233			ip->t.c_iflag \|= IUCLC;
234			ip->t.c_oflag \|= OLCUC;
235			ip->t.c_lflag \|= XCASE;
236			}
237			ip->set = 1;
238			}
239
240			void
241			f_nl(struct info *ip)
242			{
243
244			if (ip->off) {
245			ip->t.c_iflag \|= ICRNL;
246			ip->t.c_oflag \|= ONLCR;
247			} else {
248			ip->t.c_iflag &= ~ICRNL;
249			ip->t.c_oflag &= ~ONLCR;
250			}
251			ip->set = 1;
252			}
253
254			void
255			f_ospeed(struct info *ip)
256			{
257			const char *errstr;
258			speed_t speed;
259
260			speed = strtonum(ip->arg, 0, UINT_MAX, &errstr);
261			if (errstr)
262			err(1, "ospeed %s", ip->arg);
263			cfsetospeed(&ip->t, speed);
264			ip->set = 1;
265			}
266
267			void
268			f_raw(struct info *ip)
269			{
270
271			if (ip->off)
272			f_sane(ip);
273			else {
274			cfmakeraw(&ip->t);
275			ip->t.c_cflag &= ~(CSIZE\|PARENB);
276			ip->t.c_cflag \|= CS8;
277			ip->set = 1;
278			}
279			}
280
281			void
282			f_rows(struct info *ip)
283			{
284			const char *error;
285
286			ip->win.ws_row = strtonum(ip->arg, 0, USHRT_MAX, &error);
287			if (error)
288			err(1, "rows %s", ip->arg);
289			ip->wset = 1;
290			}
291
292			void
293			f_sane(struct info *ip)
294			{
295
296			ip->t.c_cflag = TTYDEF_CFLAG \| (ip->t.c_cflag & (CLOCAL\|CRTSCTS));
297			ip->t.c_iflag = TTYDEF_IFLAG;
298			ip->t.c_iflag \|= ICRNL;
299			/* preserve user-preference flags in lflag */
300			#define LKEEP (ECHOKE\|ECHOE\|ECHOK\|ECHOPRT\|ECHOCTL\|ALTWERASE\|TOSTOP\|NOFLSH)
301			ip->t.c_lflag = TTYDEF_LFLAG \| (ip->t.c_lflag & LKEEP);
302			ip->t.c_oflag = TTYDEF_OFLAG;
303			ip->set = 1;
304			}
305
306			void
307			f_size(struct info *ip)
308			{
309
310			(void)printf("%d %d\n", ip->win.ws_row, ip->win.ws_col);
311			}
312
313			void
314			f_speed(struct info *ip)
315			{
316
317			(void)printf("%d\n", cfgetospeed(&ip->t));
318			}
319
320			void
321			f_tty(struct info *ip)
322			{
323			int tmp;
324
325			tmp = TTYDISC;
326			if (ioctl(ip->fd, TIOCSETD, &tmp) < 0)
327			err(1, "TIOCSETD");
328			}
329
330			void
331			f_ostart(struct info *ip)
332			{
333			if (ioctl(ip->fd, TIOCSTART) < 0)
334			err(1, "TIOCSTART");
335			}
336
337			void
338			f_ostop(struct info *ip)
339			{
340			if (ioctl(ip->fd, TIOCSTOP) < 0)
341			err(1, "TIOCSTOP");
342			}