xref: /freebsd/bin/stty/gfmt.c (revision afe61c15161c324a7af299a9b8457aba5afc92db)
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 static char sccsid[] = "@(#)gfmt.c	8.6 (Berkeley) 4/2/94";
36 #endif /* not lint */
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
48 gerr(s)
49 	char *s;
50 {
51 	if (s)
52 		errx(1, "illegal gfmt1 option -- %s", s);
53 	else
54 		errx(1, "illegal gfmt1 option");
55 }
56 
57 void
58 gprint(tp, wp, ldisc)
59 	struct termios *tp;
60 	struct winsize *wp;
61 	int ldisc;
62 {
63 	struct cchar *cp;
64 
65 	(void)printf("gfmt1:cflag=%x:iflag=%x:lflag=%x:oflag=%x:",
66 	    tp->c_cflag, tp->c_iflag, tp->c_lflag, tp->c_oflag);
67 	for (cp = cchars1; cp->name; ++cp)
68 		(void)printf("%s=%x:", cp->name, tp->c_cc[cp->sub]);
69 	(void)printf("ispeed=%d:ospeed=%d\n", cfgetispeed(tp), cfgetospeed(tp));
70 }
71 
72 void
73 gread(tp, s)
74 	struct termios *tp;
75 	char *s;
76 {
77 	struct cchar *cp;
78 	char *ep, *p;
79 	long tmp;
80 
81 	if ((s = strchr(s, ':')) == NULL)
82 		gerr(NULL);
83 	for (++s; s != NULL;) {
84 		p = strsep(&s, ":\0");
85 		if (!p || !*p)
86 			break;
87 		if (!(ep = strchr(p, '=')))
88 			gerr(p);
89 		*ep++ = '\0';
90 		(void)sscanf(ep, "%lx", &tmp);
91 
92 #define	CHK(s)	(*p == s[0] && !strcmp(p, s))
93 		if (CHK("cflag")) {
94 			tp->c_cflag = tmp;
95 			continue;
96 		}
97 		if (CHK("iflag")) {
98 			tp->c_iflag = tmp;
99 			continue;
100 		}
101 		if (CHK("ispeed")) {
102 			(void)sscanf(ep, "%ld", &tmp);
103 			tp->c_ispeed = tmp;
104 			continue;
105 		}
106 		if (CHK("lflag")) {
107 			tp->c_lflag = tmp;
108 			continue;
109 		}
110 		if (CHK("oflag")) {
111 			tp->c_oflag = tmp;
112 			continue;
113 		}
114 		if (CHK("ospeed")) {
115 			(void)sscanf(ep, "%ld", &tmp);
116 			tp->c_ospeed = tmp;
117 			continue;
118 		}
119 		for (cp = cchars1; cp->name != NULL; ++cp)
120 			if (CHK(cp->name)) {
121 				if (cp->sub == VMIN || cp->sub == VTIME)
122 					(void)sscanf(ep, "%ld", &tmp);
123 				tp->c_cc[cp->sub] = tmp;
124 				break;
125 			}
126 		if (cp->name == NULL)
127 			gerr(p);
128 	}
129 }
130