xref: /freebsd/bin/stty/gfmt.c (revision cc68614da8232d8baaca0ae0d0dd8f890f06623e)
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 
30 #ifndef lint
31 #if 0
32 static char sccsid[] = "@(#)gfmt.c	8.6 (Berkeley) 4/2/94";
33 #endif
34 #endif /* not lint */
35 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
37 
38 #include <sys/types.h>
39 
40 #include <err.h>
41 #include <stdio.h>
42 #include <stdlib.h>
43 #include <string.h>
44 
45 #include "stty.h"
46 #include "extern.h"
47 
48 static void gerr(const char *s) __dead2;
49 
50 static void
51 gerr(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(struct termios *tp, struct winsize *wp __unused, int ldisc __unused)
61 {
62 	struct cchar *cp;
63 
64 	(void)printf("gfmt1:cflag=%lx:iflag=%lx:lflag=%lx:oflag=%lx:",
65 	    (u_long)tp->c_cflag, (u_long)tp->c_iflag, (u_long)tp->c_lflag,
66 	    (u_long)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=%lu:ospeed=%lu\n",
70 	    (u_long)cfgetispeed(tp), (u_long)cfgetospeed(tp));
71 }
72 
73 void
74 gread(struct termios *tp, char *s)
75 {
76 	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 		tmp = strtoul(ep, NULL, 0x10);
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 		if (CHK("ispeed")) {
101 			tmp = strtoul(ep, NULL, 10);
102 			tp->c_ispeed = tmp;
103 			continue;
104 		}
105 		if (CHK("lflag")) {
106 			tp->c_lflag = tmp;
107 			continue;
108 		}
109 		if (CHK("oflag")) {
110 			tp->c_oflag = tmp;
111 			continue;
112 		}
113 		if (CHK("ospeed")) {
114 			tmp = strtoul(ep, NULL, 10);
115 			tp->c_ospeed = tmp;
116 			continue;
117 		}
118 		for (cp = cchars1; cp->name != NULL; ++cp)
119 			if (CHK(cp->name)) {
120 				if (cp->sub == VMIN || cp->sub == VTIME)
121 					tmp = strtoul(ep, NULL, 10);
122 				tp->c_cc[cp->sub] = tmp;
123 				break;
124 			}
125 		if (cp->name == NULL)
126 			gerr(p);
127 	}
128 }
129