xref: /netbsd/bin/stty/gfmt.c (revision 49f0ad86)
1 /*	$NetBSD: gfmt.c,v 1.9 1995/03/21 09:11:19 cgd Exp $	*/
2 
3 /*-
4  * Copyright (c) 1991, 1993, 1994
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. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by the University of
18  *	California, Berkeley and its contributors.
19  * 4. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  */
35 
36 #ifndef lint
37 #if 0
38 static char sccsid[] = "@(#)gfmt.c	8.6 (Berkeley) 4/2/94";
39 #else
40 static char rcsid[] = "$NetBSD: gfmt.c,v 1.9 1995/03/21 09:11:19 cgd Exp $";
41 #endif
42 #endif /* not lint */
43 
44 #include <sys/types.h>
45 
46 #include <err.h>
47 #include <stdio.h>
48 #include <string.h>
49 
50 #include "stty.h"
51 #include "extern.h"
52 
53 static void
54 gerr(s)
55 	char *s;
56 {
57 	if (s)
58 		errx(1, "illegal gfmt1 option -- %s", s);
59 	else
60 		errx(1, "illegal gfmt1 option");
61 }
62 
63 void
64 gprint(tp, wp, ldisc)
65 	struct termios *tp;
66 	struct winsize *wp;
67 	int ldisc;
68 {
69 	struct cchar *cp;
70 
71 	(void)printf("gfmt1:cflag=%x:iflag=%x:lflag=%x:oflag=%x:",
72 	    tp->c_cflag, tp->c_iflag, tp->c_lflag, 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=%d:ospeed=%d\n", cfgetispeed(tp), cfgetospeed(tp));
76 }
77 
78 void
79 gread(tp, s)
80 	struct termios *tp;
81 	char *s;
82 {
83 	struct cchar *cp;
84 	char *ep, *p;
85 	long tmp;
86 
87 	if ((s = strchr(s, ':')) == NULL)
88 		gerr(NULL);
89 	for (++s; s != NULL;) {
90 		p = strsep(&s, ":\0");
91 		if (!p || !*p)
92 			break;
93 		if (!(ep = strchr(p, '=')))
94 			gerr(p);
95 		*ep++ = '\0';
96 		(void)sscanf(ep, "%lx", &tmp);
97 
98 #define	CHK(s)	(*p == s[0] && !strcmp(p, s))
99 		if (CHK("cflag")) {
100 			tp->c_cflag = tmp;
101 			continue;
102 		}
103 		if (CHK("iflag")) {
104 			tp->c_iflag = tmp;
105 			continue;
106 		}
107 		if (CHK("ispeed")) {
108 			(void)sscanf(ep, "%ld", &tmp);
109 			tp->c_ispeed = tmp;
110 			continue;
111 		}
112 		if (CHK("lflag")) {
113 			tp->c_lflag = tmp;
114 			continue;
115 		}
116 		if (CHK("oflag")) {
117 			tp->c_oflag = tmp;
118 			continue;
119 		}
120 		if (CHK("ospeed")) {
121 			(void)sscanf(ep, "%ld", &tmp);
122 			tp->c_ospeed = tmp;
123 			continue;
124 		}
125 		for (cp = cchars1; cp->name != NULL; ++cp)
126 			if (CHK(cp->name)) {
127 				if (cp->sub == VMIN || cp->sub == VTIME)
128 					(void)sscanf(ep, "%ld", &tmp);
129 				tp->c_cc[cp->sub] = tmp;
130 				break;
131 			}
132 		if (cp->name == NULL)
133 			gerr(p);
134 	}
135 }
136