gfmt.c revision 59714 
1/*-
2 * Copyright (c) 1991, 1993, 1994
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 *    must display the following acknowledgement:
15 *	This product includes software developed by the University of
16 *	California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#ifndef lint
35#if 0
36static char sccsid[] = "@(#)gfmt.c	8.6 (Berkeley) 4/2/94";
37#endif
38static const char rcsid[] =
39  "$FreeBSD: head/bin/stty/gfmt.c 59714 2000-04-27 21:31:23Z ache $";
40#endif /* not lint */
41
42#include <sys/types.h>
43
44#include <err.h>
45#include <stdio.h>
46#include <string.h>
47
48#include "stty.h"
49#include "extern.h"
50
51static void
52gerr(s)
53	char *s;
54{
55	if (s)
56		errx(1, "illegal gfmt1 option -- %s", s);
57	else
58		errx(1, "illegal gfmt1 option");
59}
60
61void
62gprint(tp, wp, ldisc, timeout)
63	struct termios *tp;
64	struct winsize *wp;
65	int ldisc;
66	int timeout;
67{
68	struct cchar *cp;
69
70	(void)printf("gfmt1:cflag=%lx:iflag=%lx:lflag=%lx:oflag=%lx:",
71	    (u_long)tp->c_cflag, (u_long)tp->c_iflag, (u_long)tp->c_lflag,
72	    (u_long)tp->c_oflag);
73	for (cp = cchars1; cp->name; ++cp)
74		(void)printf("%s=%x:", cp->name, tp->c_cc[cp->sub]);
75	(void)printf("ispeed=%lu:ospeed=%lu:drainwait=%d\n",
76	    (u_long)cfgetispeed(tp), (u_long)cfgetospeed(tp), timeout);
77}
78
79void
80gread(tp, top, s)
81	struct termios *tp;
82	int *top;
83	char *s;
84{
85	struct cchar *cp;
86	char *ep, *p;
87	long tmp;
88
89	if ((s = strchr(s, ':')) == NULL)
90		gerr(NULL);
91	for (++s; s != NULL;) {
92		p = strsep(&s, ":\0");
93		if (!p || !*p)
94			break;
95		if (!(ep = strchr(p, '=')))
96			gerr(p);
97		*ep++ = '\0';
98		(void)sscanf(ep, "%lx", &tmp);
99
100#define	CHK(s)	(*p == s[0] && !strcmp(p, s))
101		if (CHK("cflag")) {
102			tp->c_cflag = tmp;
103			continue;
104		}
105		if (CHK("iflag")) {
106			tp->c_iflag = tmp;
107			continue;
108		}
109		if (CHK("ispeed")) {
110			(void)sscanf(ep, "%ld", &tmp);
111			tp->c_ispeed = tmp;
112			continue;
113		}
114		if (CHK("lflag")) {
115			tp->c_lflag = tmp;
116			continue;
117		}
118		if (CHK("oflag")) {
119			tp->c_oflag = tmp;
120			continue;
121		}
122		if (CHK("ospeed")) {
123			(void)sscanf(ep, "%ld", &tmp);
124			tp->c_ospeed = tmp;
125			continue;
126		}
127		if (CHK("drainwait")) {
128			(void)sscanf(ep, "%ld", &tmp);
129			*top = tmp;
130			continue;
131		}
132		for (cp = cchars1; cp->name != NULL; ++cp)
133			if (CHK(cp->name)) {
134				if (cp->sub == VMIN || cp->sub == VTIME)
135					(void)sscanf(ep, "%ld", &tmp);
136				tp->c_cc[cp->sub] = tmp;
137				break;
138			}
139		if (cp->name == NULL)
140			gerr(p);
141	}
142}
143