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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	libexec/getty/subr.c	Lines:	0	181	0.0 %
Date:	2017-11-07	Branches:	0	157	0.0 %


/*	$OpenBSD: subr.c,v 1.27 2017/05/27 07:37:36 tedu Exp $	*/

/*
 * Copyright (c) 1983, 1993
 *	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.
 */

/*
 * Melbourne getty.
 */
#include <sys/ioctl.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <poll.h>
#include <termios.h>

#include "gettytab.h"
#include "pathnames.h"
#include "extern.h"

extern	struct termios tmode, omode;

/*
 * Get a table entry.
 */
void
gettable(char *name, char *buf)
{
	struct gettystrs *sp;
	struct gettynums *np;
	struct gettyflags *fp;
	long n;
	char *dba[2];
	dba[0] = _PATH_GETTYTAB;
	dba[1] = NULL;

	if (cgetent(&buf, dba, name) != 0)
		return;

	for (sp = gettystrs; sp->field; sp++)
		cgetstr(buf, sp->field, &sp->value);
	for (np = gettynums; np->field; np++) {
		if (cgetnum(buf, np->field, &n) == -1)
			np->set = 0;
		else {
			np->set = 1;
			np->value = n;
		}
	}
	for (fp = gettyflags; fp->field; fp++) {
		if (cgetcap(buf, fp->field, ':') == NULL)
			fp->set = 0;
		else {
			fp->set = 1;
			fp->value = 1 ^ fp->invrt;
		}
	}
#ifdef DEBUG
	printf("name=\"%s\", buf=\"%s\"\n", name, buf);
	for (sp = gettystrs; sp->field; sp++)
		printf("cgetstr: %s=%s\n", sp->field, sp->value);
	for (np = gettynums; np->field; np++)
		printf("cgetnum: %s=%d\n", np->field, np->value);
	for (fp = gettyflags; fp->field; fp++)
		printf("cgetflags: %s='%c' set='%c'\n", fp->field,
		    fp->value + '0', fp->set + '0');
	exit(1);
#endif /* DEBUG */
}

void
gendefaults(void)
{
	struct gettystrs *sp;
	struct gettynums *np;
	struct gettyflags *fp;

	for (sp = gettystrs; sp->field; sp++)
		if (sp->value)
			sp->defalt = sp->value;
	for (np = gettynums; np->field; np++)
		if (np->set)
			np->defalt = np->value;
	for (fp = gettyflags; fp->field; fp++)
		if (fp->set)
			fp->defalt = fp->value;
		else
			fp->defalt = fp->invrt;
}

void
setdefaults(void)
{
	struct gettystrs *sp;
	struct gettynums *np;
	struct gettyflags *fp;

	for (sp = gettystrs; sp->field; sp++)
		if (!sp->value)
			sp->value = sp->defalt;
	for (np = gettynums; np->field; np++)
		if (!np->set)
			np->value = np->defalt;
	for (fp = gettyflags; fp->field; fp++)
		if (!fp->set)
			fp->value = fp->defalt;
}

static char **
charnames[] = {
	&ER, &KL, &IN, &QU, &XN, &XF, &ET, &BK,
	&SU, &DS, &RP, &FL, &WE, &LN, 0
};

static char *
charvars[] = {
	&tmode.c_cc[VERASE], &tmode.c_cc[VKILL], &tmode.c_cc[VINTR],
	&tmode.c_cc[VQUIT], &tmode.c_cc[VSTART], &tmode.c_cc[VSTOP],
	&tmode.c_cc[VEOF], &tmode.c_cc[VEOL], &tmode.c_cc[VSUSP],
	&tmode.c_cc[VDSUSP], &tmode.c_cc[VREPRINT], &tmode.c_cc[VDISCARD],
	&tmode.c_cc[VWERASE], &tmode.c_cc[VLNEXT], 0
};

void
setchars(void)
{
	int i;
	char *p;

	for (i = 0; charnames[i]; i++) {
		p = *charnames[i];
		if (p && *p)
			*charvars[i] = *p;
		else
			*charvars[i] = _POSIX_VDISABLE;
	}
}

/* Macros to clear/set/test flags. */
#define	SET(t, f)	(t) |= (f)
#define	CLR(t, f)	(t) &= ~(f)
#define	ISSET(t, f)	((t) & (f))

void
setflags(int n)
{
	tcflag_t iflag, oflag, cflag, lflag;

	switch (n) {
	case 0:
		if (C0set && I0set && L0set && O0set) {
			tmode.c_cflag = C0;
			tmode.c_iflag = I0;
			tmode.c_lflag = L0;
			tmode.c_oflag = O0;
			return;
		}
		break;
	case 1:
		if (C1set && I1set && L1set && O1set) {
			tmode.c_cflag = C1;
			tmode.c_iflag = I1;
			tmode.c_lflag = L1;
			tmode.c_oflag = O1;
			return;
		}
		break;
	default:
		if (C2set && I2set && L2set && O2set) {
			tmode.c_cflag = C2;
			tmode.c_iflag = I2;
			tmode.c_lflag = L2;
			tmode.c_oflag = O2;
			return;
		}
		break;
	}

	iflag = omode.c_iflag;
	oflag = omode.c_oflag;
	cflag = omode.c_cflag;
	lflag = omode.c_lflag;

	if (NP) {
		CLR(cflag, CSIZE|PARENB);
		SET(cflag, CS8);
		CLR(iflag, ISTRIP|INPCK|IGNPAR);
	} else if (AP || EP || OP) {
		CLR(cflag, CSIZE);
		SET(cflag, CS7|PARENB);
		SET(iflag, ISTRIP);
		if (OP && !EP) {
			SET(iflag, INPCK|IGNPAR);
			SET(cflag, PARODD);
			if (AP)
				CLR(iflag, INPCK);
		} else if (EP && !OP) {
			SET(iflag, INPCK|IGNPAR);
			CLR(cflag, PARODD);
			if (AP)
				CLR(iflag, INPCK);
		} else if (AP || (EP && OP)) {
			CLR(iflag, INPCK|IGNPAR);
			CLR(cflag, PARODD);
		}
	} /* else, leave as is */

	if (UC) {
		SET(iflag, IUCLC);
		SET(oflag, OLCUC);
		SET(lflag, XCASE);
	}

	if (HC)
		SET(cflag, HUPCL);
	else
		CLR(cflag, HUPCL);

	if (MB)
		SET(cflag, MDMBUF);
	else
		CLR(cflag, MDMBUF);

	if (NL) {
		SET(iflag, ICRNL);
		SET(oflag, ONLCR|OPOST);
	} else {
		CLR(iflag, ICRNL);
		CLR(oflag, ONLCR);
	}

	if (!HT)
		SET(oflag, OXTABS|OPOST);
	else
		CLR(oflag, OXTABS);


	if (n == 1) {		/* read mode flags */
		if (RW) {
			iflag = 0;
			CLR(oflag, OPOST);
			CLR(cflag, CSIZE|PARENB);
			SET(cflag, CS8);
			lflag = 0;
		} else {
			CLR(lflag, ICANON);
		}
		goto out;
	}

	if (n == 0)
		goto out;

#if 0
	if (CB)
		SET(f, CRTBS);
#endif

	if (CE)
		SET(lflag, ECHOE);
	else
		CLR(lflag, ECHOE);

	if (CK)
		SET(lflag, ECHOKE);
	else
		CLR(lflag, ECHOKE);

	if (PE)
		SET(lflag, ECHOPRT);
	else
		CLR(lflag, ECHOPRT);

	if (EC)
		SET(lflag, ECHO);
	else
		CLR(lflag, ECHO);

	if (XC)
		SET(lflag, ECHOCTL);
	else
		CLR(lflag, ECHOCTL);

	if (DX)
		SET(lflag, IXANY);
	else
		CLR(lflag, IXANY);

out:
	tmode.c_iflag = iflag;
	tmode.c_oflag = oflag;
	tmode.c_cflag = cflag;
	tmode.c_lflag = lflag;
}


void
makeenv(char *env[])
{
	static char termbuf[128] = "TERM=";
	char *p, *q;
	char **ep;

	ep = env;
	if (TT && *TT) {
		strlcat(termbuf, TT, sizeof(termbuf));
		*ep++ = termbuf;
	}
	if ((p = EV)) {
		q = p;
		while ((q = strchr(q, ','))) {
			*q++ = '\0';
			*ep++ = p;
			p = q;
		}
		if (*p)
			*ep++ = p;
	}
	*ep = NULL;
}

/*
 * This speed select mechanism is written for the Develcon DATASWITCH.
 * The Develcon sends a string of the form "B{speed}\n" at a predefined
 * baud rate. This string indicates the user's actual speed.
 * The routine below returns the terminal type mapped from derived speed.
 */
struct	portselect {
	char	*ps_baud;
	char	*ps_type;
} portspeeds[] = {
	{ "B110",	"std.110" },
	{ "B134",	"std.134" },
	{ "B150",	"std.150" },
	{ "B300",	"std.300" },
	{ "B600",	"std.600" },
	{ "B1200",	"std.1200" },
	{ "B2400",	"std.2400" },
	{ "B4800",	"std.4800" },
	{ "B9600",	"std.9600" },
	{ "B19200",	"std.19200" },
	{ 0 }
};

char *
portselector(void)
{
	char c, baud[20], *type = "default";
	struct portselect *ps;
	int len;

	alarm(5*60);
	for (len = 0; len < sizeof (baud) - 1; len++) {
		if (read(STDIN_FILENO, &c, 1) <= 0)
			break;
		c &= 0177;
		if (c == '\n' || c == '\r')
			break;
		if (c == 'B')
			len = 0;	/* in case of leading garbage */
		baud[len] = c;
	}
	baud[len] = '\0';
	for (ps = portspeeds; ps->ps_baud; ps++)
		if (strcmp(ps->ps_baud, baud) == 0) {
			type = ps->ps_type;
			break;
		}
	sleep(2);	/* wait for connection to complete */
	return (type);
}

/*
 * This auto-baud speed select mechanism is written for the Micom 600
 * portselector. Selection is done by looking at how the character '\r'
 * is garbled at the different speeds.
 */
#include <sys/time.h>

char *
autobaud(void)
{
	struct pollfd pfd[1];
	struct timespec ts;
	char c, *type = "9600-baud";

	(void)tcflush(0, TCIOFLUSH);
	pfd[0].fd = 0;
	pfd[0].events = POLLIN;
	if (poll(pfd, 1, 5 * 1000) <= 0)
		return (type);
	if (read(STDIN_FILENO, &c, sizeof(char)) != sizeof(char))
		return (type);

	ts.tv_sec = 0;
	ts.tv_nsec = 20 * 1000;
	nanosleep(&ts, NULL);
	(void)tcflush(0, TCIOFLUSH);
	switch (c & 0377) {

	case 0200:		/* 300-baud */
		type = "300-baud";
		break;

	case 0346:		/* 1200-baud */
		type = "1200-baud";
		break;

	case  015:		/* 2400-baud */
	case 0215:
		type = "2400-baud";
		break;

	default:		/* 4800-baud */
		type = "4800-baud";
		break;

	case 0377:		/* 9600-baud */
		type = "9600-baud";
		break;
	}
	return (type);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: subr.c,v 1.27 2017/05/27 07:37:36 tedu Exp $ */
2
3			/*
4			* Copyright (c) 1983, 1993
5			* The Regents of the University of California. All rights reserved.
6			*
7			* Redistribution and use in source and binary forms, with or without
8			* modification, are permitted provided that the following conditions
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
13			* notice, this list of conditions and the following disclaimer in the
14			* documentation and/or other materials provided with the distribution.
15			* 3. Neither the name of the University nor the names of its contributors
16			* may be used to endorse or promote products derived from this software
17			* without specific prior written permission.
18			*
19			* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20			* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22			* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23			* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29			* SUCH DAMAGE.
30			*/
31
32			/*
33			* Melbourne getty.
34			*/
35			#include <sys/ioctl.h>
36			#include <stdlib.h>
37			#include <unistd.h>
38			#include <string.h>
39			#include <poll.h>
40			#include <termios.h>
41
42			#include "gettytab.h"
43			#include "pathnames.h"
44			#include "extern.h"
45
46			extern struct termios tmode, omode;
47
48			/*
49			* Get a table entry.
50			*/
51			void
52			gettable(char name, char buf)
53			{
54			struct gettystrs *sp;
55			struct gettynums *np;
56			struct gettyflags *fp;
57			long n;
58			char *dba[2];
59			dba[0] = _PATH_GETTYTAB;
60			dba[1] = NULL;
61
62			if (cgetent(&buf, dba, name) != 0)
63			return;
64
65			for (sp = gettystrs; sp->field; sp++)
66			cgetstr(buf, sp->field, &sp->value);
67			for (np = gettynums; np->field; np++) {
68			if (cgetnum(buf, np->field, &n) == -1)
69			np->set = 0;
70			else {
71			np->set = 1;
72			np->value = n;
73			}
74			}
75			for (fp = gettyflags; fp->field; fp++) {
76			if (cgetcap(buf, fp->field, ':') == NULL)
77			fp->set = 0;
78			else {
79			fp->set = 1;
80			fp->value = 1 ^ fp->invrt;
81			}
82			}
83			#ifdef DEBUG
84			printf("name=\"%s\", buf=\"%s\"\n", name, buf);
85			for (sp = gettystrs; sp->field; sp++)
86			printf("cgetstr: %s=%s\n", sp->field, sp->value);
87			for (np = gettynums; np->field; np++)
88			printf("cgetnum: %s=%d\n", np->field, np->value);
89			for (fp = gettyflags; fp->field; fp++)
90			printf("cgetflags: %s='%c' set='%c'\n", fp->field,
91			fp->value + '0', fp->set + '0');
92			exit(1);
93			#endif /* DEBUG */
94			}
95
96			void
97			gendefaults(void)
98			{
99			struct gettystrs *sp;
100			struct gettynums *np;
101			struct gettyflags *fp;
102
103			for (sp = gettystrs; sp->field; sp++)
104			if (sp->value)
105			sp->defalt = sp->value;
106			for (np = gettynums; np->field; np++)
107			if (np->set)
108			np->defalt = np->value;
109			for (fp = gettyflags; fp->field; fp++)
110			if (fp->set)
111			fp->defalt = fp->value;
112			else
113			fp->defalt = fp->invrt;
114			}
115
116			void
117			setdefaults(void)
118			{
119			struct gettystrs *sp;
120			struct gettynums *np;
121			struct gettyflags *fp;
122
123			for (sp = gettystrs; sp->field; sp++)
124			if (!sp->value)
125			sp->value = sp->defalt;
126			for (np = gettynums; np->field; np++)
127			if (!np->set)
128			np->value = np->defalt;
129			for (fp = gettyflags; fp->field; fp++)
130			if (!fp->set)
131			fp->value = fp->defalt;
132			}
133
134			static char **
135			charnames[] = {
136			&ER, &KL, &IN, &QU, &XN, &XF, &ET, &BK,
137			&SU, &DS, &RP, &FL, &WE, &LN, 0
138			};
139
140			static char *
141			charvars[] = {
142			&tmode.c_cc[VERASE], &tmode.c_cc[VKILL], &tmode.c_cc[VINTR],
143			&tmode.c_cc[VQUIT], &tmode.c_cc[VSTART], &tmode.c_cc[VSTOP],
144			&tmode.c_cc[VEOF], &tmode.c_cc[VEOL], &tmode.c_cc[VSUSP],
145			&tmode.c_cc[VDSUSP], &tmode.c_cc[VREPRINT], &tmode.c_cc[VDISCARD],
146			&tmode.c_cc[VWERASE], &tmode.c_cc[VLNEXT], 0
147			};
148
149			void
150			setchars(void)
151			{
152			int i;
153			char *p;
154
155			for (i = 0; charnames[i]; i++) {
156			p = *charnames[i];
157			if (p && *p)
158			charvars[i] = p;
159			else
160			*charvars[i] = _POSIX_VDISABLE;
161			}
162			}
163
164			/* Macros to clear/set/test flags. */
165			#define SET(t, f) (t) \|= (f)
166			#define CLR(t, f) (t) &= ~(f)
167			#define ISSET(t, f) ((t) & (f))
168
169			void
170			setflags(int n)
171			{
172			tcflag_t iflag, oflag, cflag, lflag;
173
174			switch (n) {
175			case 0:
176			if (C0set && I0set && L0set && O0set) {
177			tmode.c_cflag = C0;
178			tmode.c_iflag = I0;
179			tmode.c_lflag = L0;
180			tmode.c_oflag = O0;
181			return;
182			}
183			break;
184			case 1:
185			if (C1set && I1set && L1set && O1set) {
186			tmode.c_cflag = C1;
187			tmode.c_iflag = I1;
188			tmode.c_lflag = L1;
189			tmode.c_oflag = O1;
190			return;
191			}
192			break;
193			default:
194			if (C2set && I2set && L2set && O2set) {
195			tmode.c_cflag = C2;
196			tmode.c_iflag = I2;
197			tmode.c_lflag = L2;
198			tmode.c_oflag = O2;
199			return;
200			}
201			break;
202			}
203
204			iflag = omode.c_iflag;
205			oflag = omode.c_oflag;
206			cflag = omode.c_cflag;
207			lflag = omode.c_lflag;
208
209			if (NP) {
210			CLR(cflag, CSIZE\|PARENB);
211			SET(cflag, CS8);
212			CLR(iflag, ISTRIP\|INPCK\|IGNPAR);
213			} else if (AP \|\| EP \|\| OP) {
214			CLR(cflag, CSIZE);
215			SET(cflag, CS7\|PARENB);
216			SET(iflag, ISTRIP);
217			if (OP && !EP) {
218			SET(iflag, INPCK\|IGNPAR);
219			SET(cflag, PARODD);
220			if (AP)
221			CLR(iflag, INPCK);
222			} else if (EP && !OP) {
223			SET(iflag, INPCK\|IGNPAR);
224			CLR(cflag, PARODD);
225			if (AP)
226			CLR(iflag, INPCK);
227			} else if (AP \|\| (EP && OP)) {
228			CLR(iflag, INPCK\|IGNPAR);
229			CLR(cflag, PARODD);
230			}
231			} /* else, leave as is */
232
233			if (UC) {
234			SET(iflag, IUCLC);
235			SET(oflag, OLCUC);
236			SET(lflag, XCASE);
237			}
238
239			if (HC)
240			SET(cflag, HUPCL);
241			else
242			CLR(cflag, HUPCL);
243
244			if (MB)
245			SET(cflag, MDMBUF);
246			else
247			CLR(cflag, MDMBUF);
248
249			if (NL) {
250			SET(iflag, ICRNL);
251			SET(oflag, ONLCR\|OPOST);
252			} else {
253			CLR(iflag, ICRNL);
254			CLR(oflag, ONLCR);
255			}
256
257			if (!HT)
258			SET(oflag, OXTABS\|OPOST);
259			else
260			CLR(oflag, OXTABS);
261
262
263			if (n == 1) { /* read mode flags */
264			if (RW) {
265			iflag = 0;
266			CLR(oflag, OPOST);
267			CLR(cflag, CSIZE\|PARENB);
268			SET(cflag, CS8);
269			lflag = 0;
270			} else {
271			CLR(lflag, ICANON);
272			}
273			goto out;
274			}
275
276			if (n == 0)
277			goto out;
278
279			#if 0
280			if (CB)
281			SET(f, CRTBS);
282			#endif
283
284			if (CE)
285			SET(lflag, ECHOE);
286			else
287			CLR(lflag, ECHOE);
288
289			if (CK)
290			SET(lflag, ECHOKE);
291			else
292			CLR(lflag, ECHOKE);
293
294			if (PE)
295			SET(lflag, ECHOPRT);
296			else
297			CLR(lflag, ECHOPRT);
298
299			if (EC)
300			SET(lflag, ECHO);
301			else
302			CLR(lflag, ECHO);
303
304			if (XC)
305			SET(lflag, ECHOCTL);
306			else
307			CLR(lflag, ECHOCTL);
308
309			if (DX)
310			SET(lflag, IXANY);
311			else
312			CLR(lflag, IXANY);
313
314			out:
315			tmode.c_iflag = iflag;
316			tmode.c_oflag = oflag;
317			tmode.c_cflag = cflag;
318			tmode.c_lflag = lflag;
319			}
320
321
322			void
323			makeenv(char *env[])
324			{
325			static char termbuf[128] = "TERM=";
326			char p, q;
327			char **ep;
328
329			ep = env;
330			if (TT && *TT) {
331			strlcat(termbuf, TT, sizeof(termbuf));
332			*ep++ = termbuf;
333			}
334			if ((p = EV)) {
335			q = p;
336			while ((q = strchr(q, ','))) {
337			*q++ = '\0';
338			*ep++ = p;
339			p = q;
340			}
341			if (*p)
342			*ep++ = p;
343			}
344			*ep = NULL;
345			}
346
347			/*
348			* This speed select mechanism is written for the Develcon DATASWITCH.
349			* The Develcon sends a string of the form "B{speed}\n" at a predefined
350			* baud rate. This string indicates the user's actual speed.
351			* The routine below returns the terminal type mapped from derived speed.
352			*/
353			struct portselect {
354			char *ps_baud;
355			char *ps_type;
356			} portspeeds[] = {
357			{ "B110", "std.110" },
358			{ "B134", "std.134" },
359			{ "B150", "std.150" },
360			{ "B300", "std.300" },
361			{ "B600", "std.600" },
362			{ "B1200", "std.1200" },
363			{ "B2400", "std.2400" },
364			{ "B4800", "std.4800" },
365			{ "B9600", "std.9600" },
366			{ "B19200", "std.19200" },
367			{ 0 }
368			};
369
370			char *
371			portselector(void)
372			{
373			char c, baud[20], *type = "default";
374			struct portselect *ps;
375			int len;
376
377			alarm(5*60);
378			for (len = 0; len < sizeof (baud) - 1; len++) {
379			if (read(STDIN_FILENO, &c, 1) <= 0)
380			break;
381			c &= 0177;
382			if (c == '\n' \|\| c == '\r')
383			break;
384			if (c == 'B')
385			len = 0; /* in case of leading garbage */
386			baud[len] = c;
387			}
388			baud[len] = '\0';
389			for (ps = portspeeds; ps->ps_baud; ps++)
390			if (strcmp(ps->ps_baud, baud) == 0) {
391			type = ps->ps_type;
392			break;
393			}
394			sleep(2); /* wait for connection to complete */
395			return (type);
396			}
397
398			/*
399			* This auto-baud speed select mechanism is written for the Micom 600
400			* portselector. Selection is done by looking at how the character '\r'
401			* is garbled at the different speeds.
402			*/
403			#include <sys/time.h>
404
405			char *
406			autobaud(void)
407			{
408			struct pollfd pfd[1];
409			struct timespec ts;
410			char c, *type = "9600-baud";
411
412			(void)tcflush(0, TCIOFLUSH);
413			pfd[0].fd = 0;
414			pfd[0].events = POLLIN;
415			if (poll(pfd, 1, 5 * 1000) <= 0)
416			return (type);
417			if (read(STDIN_FILENO, &c, sizeof(char)) != sizeof(char))
418			return (type);
419
420			ts.tv_sec = 0;
421			ts.tv_nsec = 20 * 1000;
422			nanosleep(&ts, NULL);
423			(void)tcflush(0, TCIOFLUSH);
424			switch (c & 0377) {
425
426			case 0200: /* 300-baud */
427			type = "300-baud";
428			break;
429
430			case 0346: /* 1200-baud */
431			type = "1200-baud";
432			break;
433
434			case 015: /* 2400-baud */
435			case 0215:
436			type = "2400-baud";
437			break;
438
439			default: /* 4800-baud */
440			type = "4800-baud";
441			break;
442
443			case 0377: /* 9600-baud */
444			type = "9600-baud";
445			break;
446			}
447			return (type);
448			}