xref: /dragonfly/bin/stty/gfmt.c (revision 73610d44)
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. Neither the name of the University nor the names of its contributors
14  *    may be used to endorse or promote products derived from this software
15  *    without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  * @(#)gfmt.c	8.6 (Berkeley) 4/2/94
30  * $FreeBSD: src/bin/stty/gfmt.c,v 1.10.2.2 2001/08/01 05:26:12 obrien Exp $
31  * $DragonFly: src/bin/stty/gfmt.c,v 1.5 2004/11/07 20:54:52 eirikn Exp $
32  */
33 
34 #include <sys/types.h>
35 
36 #include <err.h>
37 #include <stdio.h>
38 #include <string.h>
39 
40 #include "stty.h"
41 #include "extern.h"
42 
43 static void gerr (const char *s);
44 
45 static void
46 gerr(const char *s)
47 {
48 	if (s)
49 		errx(1, "illegal gfmt1 option -- %s", s);
50 	else
51 		errx(1, "illegal gfmt1 option");
52 }
53 
54 void
55 gprint(struct termios *tp, struct winsize *wp __unused, int ldisc __unused)
56 {
57 	struct cchar *cp;
58 
59 	printf("gfmt1:cflag=%lx:iflag=%lx:lflag=%lx:oflag=%lx:",
60 	    (u_long)tp->c_cflag, (u_long)tp->c_iflag, (u_long)tp->c_lflag,
61 	    (u_long)tp->c_oflag);
62 	for (cp = cchars1; cp->name; ++cp)
63 		printf("%s=%x:", cp->name, tp->c_cc[cp->sub]);
64 	printf("ispeed=%lu:ospeed=%lu\n",
65 	    (u_long)cfgetispeed(tp), (u_long)cfgetospeed(tp));
66 }
67 
68 void
69 gread(struct termios *tp, char *s)
70 {
71 	struct cchar *cp;
72 	char *ep, *p;
73 	long tmp;
74 
75 	if ((s = strchr(s, ':')) == NULL)
76 		gerr(NULL);
77 	for (++s; s != NULL;) {
78 		p = strsep(&s, ":\0");
79 		if (!p || !*p)
80 			break;
81 		if (!(ep = strchr(p, '=')))
82 			gerr(p);
83 		*ep++ = '\0';
84 		sscanf(ep, "%lx", &tmp);
85 
86 #define	CHK(s)	(*p == s[0] && !strcmp(p, s))
87 		if (CHK("cflag")) {
88 			tp->c_cflag = tmp;
89 			continue;
90 		}
91 		if (CHK("iflag")) {
92 			tp->c_iflag = tmp;
93 			continue;
94 		}
95 		if (CHK("ispeed")) {
96 			sscanf(ep, "%ld", &tmp);
97 			tp->c_ispeed = tmp;
98 			continue;
99 		}
100 		if (CHK("lflag")) {
101 			tp->c_lflag = tmp;
102 			continue;
103 		}
104 		if (CHK("oflag")) {
105 			tp->c_oflag = tmp;
106 			continue;
107 		}
108 		if (CHK("ospeed")) {
109 			sscanf(ep, "%ld", &tmp);
110 			tp->c_ospeed = tmp;
111 			continue;
112 		}
113 		for (cp = cchars1; cp->name != NULL; ++cp)
114 			if (CHK(cp->name)) {
115 				if (cp->sub == VMIN || cp->sub == VTIME)
116 					sscanf(ep, "%ld", &tmp);
117 				tp->c_cc[cp->sub] = tmp;
118 				break;
119 			}
120 		if (cp->name == NULL)
121 			gerr(p);
122 	}
123 }
124