xref: /minix/bin/stty/gfmt.c (revision 7120f34e)
1 /* $NetBSD: gfmt.c,v 1.17 2011/08/29 14:51:19 joerg 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. Neither the name of the University nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  */
31 
32 #include <sys/cdefs.h>
33 #ifndef lint
34 #if 0
35 static char sccsid[] = "@(#)gfmt.c	8.6 (Berkeley) 4/2/94";
36 #else
37 __RCSID("$NetBSD: gfmt.c,v 1.17 2011/08/29 14:51:19 joerg Exp $");
38 #endif
39 #endif /* not lint */
40 
41 #include <sys/param.h>
42 
43 #include <err.h>
44 #include <stdio.h>
45 #include <string.h>
46 
47 #include "stty.h"
48 #include "extern.h"
49 
50 __dead static void gerr(char *);
51 
52 static void
gerr(char * s)53 gerr(char *s)
54 {
55 	if (s)
56 		errx(1, "illegal gfmt1 option -- %s", s);
57 	else
58 		errx(1, "illegal gfmt1 option");
59 }
60 
61 void
gprint(struct termios * tp)62 gprint(struct termios *tp)
63 {
64 	const struct cchar *cp;
65 
66 	(void)printf("gfmt1:cflag=%x:iflag=%x:lflag=%x:oflag=%x:",
67 	    tp->c_cflag, tp->c_iflag, tp->c_lflag, tp->c_oflag);
68 	for (cp = cchars1; cp->name; ++cp)
69 		(void)printf("%s=%x:", cp->name, tp->c_cc[cp->sub]);
70 	(void)printf("ispeed=%d:ospeed=%d\n", cfgetispeed(tp), cfgetospeed(tp));
71 }
72 
73 void
gread(struct termios * tp,char * s)74 gread(struct termios *tp, char *s)
75 {
76 	const struct cchar *cp;
77 	char *ep, *p;
78 	long tmp;
79 
80 	if ((s = strchr(s, ':')) == NULL)
81 		gerr(NULL);
82 	for (++s; s != NULL;) {
83 		p = strsep(&s, ":\0");
84 		if (!p || !*p)
85 			break;
86 		if (!(ep = strchr(p, '=')))
87 			gerr(p);
88 		*ep++ = '\0';
89 		(void)sscanf(ep, "%lx", &tmp);
90 
91 #define	CHK(s)	(*p == s[0] && !strcmp(p, s))
92 		if (CHK("cflag")) {
93 			tp->c_cflag = tmp;
94 			continue;
95 		}
96 		if (CHK("iflag")) {
97 			tp->c_iflag = tmp;
98 			continue;
99 		}
100 #ifdef BSD4_4
101 		if (CHK("ispeed")) {
102 			(void)sscanf(ep, "%ld", &tmp);
103 			tp->c_ispeed = tmp;
104 			continue;
105 		}
106 #endif
107 		if (CHK("lflag")) {
108 			tp->c_lflag = tmp;
109 			continue;
110 		}
111 		if (CHK("oflag")) {
112 			tp->c_oflag = tmp;
113 			continue;
114 		}
115 #ifdef BSD4_4
116 		if (CHK("ospeed")) {
117 			(void)sscanf(ep, "%ld", &tmp);
118 			tp->c_ospeed = tmp;
119 			continue;
120 		}
121 #endif
122 		for (cp = cchars1; cp->name != NULL; ++cp)
123 			if (CHK(cp->name)) {
124 				if (cp->sub == VMIN || cp->sub == VTIME)
125 					(void)sscanf(ep, "%ld", &tmp);
126 				tp->c_cc[cp->sub] = tmp;
127 				break;
128 			}
129 		if (cp->name == NULL)
130 			gerr(p);
131 	}
132 }
133