xref: /dragonfly/bin/stty/gfmt.c (revision 6e285212)
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  * @(#)gfmt.c	8.6 (Berkeley) 4/2/94
34  * $FreeBSD: src/bin/stty/gfmt.c,v 1.10.2.2 2001/08/01 05:26:12 obrien Exp $
35  * $DragonFly: src/bin/stty/gfmt.c,v 1.2 2003/06/17 04:22:50 dillon Exp $
36  */
37 
38 #include <sys/types.h>
39 
40 #include <err.h>
41 #include <stdio.h>
42 #include <string.h>
43 
44 #include "stty.h"
45 #include "extern.h"
46 
47 static void gerr __P((const char *s));
48 
49 static void
50 gerr(s)
51 	const char *s;
52 {
53 	if (s)
54 		errx(1, "illegal gfmt1 option -- %s", s);
55 	else
56 		errx(1, "illegal gfmt1 option");
57 }
58 
59 void
60 gprint(tp, wp, ldisc)
61 	struct termios *tp;
62 	struct winsize *wp __unused;
63 	int ldisc __unused;
64 {
65 	struct cchar *cp;
66 
67 	(void)printf("gfmt1:cflag=%lx:iflag=%lx:lflag=%lx:oflag=%lx:",
68 	    (u_long)tp->c_cflag, (u_long)tp->c_iflag, (u_long)tp->c_lflag,
69 	    (u_long)tp->c_oflag);
70 	for (cp = cchars1; cp->name; ++cp)
71 		(void)printf("%s=%x:", cp->name, tp->c_cc[cp->sub]);
72 	(void)printf("ispeed=%lu:ospeed=%lu\n",
73 	    (u_long)cfgetispeed(tp), (u_long)cfgetospeed(tp));
74 }
75 
76 void
77 gread(tp, s)
78 	struct termios *tp;
79 	char *s;
80 {
81 	struct cchar *cp;
82 	char *ep, *p;
83 	long tmp;
84 
85 	if ((s = strchr(s, ':')) == NULL)
86 		gerr(NULL);
87 	for (++s; s != NULL;) {
88 		p = strsep(&s, ":\0");
89 		if (!p || !*p)
90 			break;
91 		if (!(ep = strchr(p, '=')))
92 			gerr(p);
93 		*ep++ = '\0';
94 		(void)sscanf(ep, "%lx", &tmp);
95 
96 #define	CHK(s)	(*p == s[0] && !strcmp(p, s))
97 		if (CHK("cflag")) {
98 			tp->c_cflag = tmp;
99 			continue;
100 		}
101 		if (CHK("iflag")) {
102 			tp->c_iflag = tmp;
103 			continue;
104 		}
105 		if (CHK("ispeed")) {
106 			(void)sscanf(ep, "%ld", &tmp);
107 			tp->c_ispeed = tmp;
108 			continue;
109 		}
110 		if (CHK("lflag")) {
111 			tp->c_lflag = tmp;
112 			continue;
113 		}
114 		if (CHK("oflag")) {
115 			tp->c_oflag = tmp;
116 			continue;
117 		}
118 		if (CHK("ospeed")) {
119 			(void)sscanf(ep, "%ld", &tmp);
120 			tp->c_ospeed = tmp;
121 			continue;
122 		}
123 		for (cp = cchars1; cp->name != NULL; ++cp)
124 			if (CHK(cp->name)) {
125 				if (cp->sub == VMIN || cp->sub == VTIME)
126 					(void)sscanf(ep, "%ld", &tmp);
127 				tp->c_cc[cp->sub] = tmp;
128 				break;
129 			}
130 		if (cp->name == NULL)
131 			gerr(p);
132 	}
133 }
134