xref: /original-bsd/bin/stty/gfmt.c (revision e66e06db)
1 /*-
2  * Copyright (c) 1991, 1993
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * %sccs.include.redist.c%
6  */
7 
8 #ifndef lint
9 static char sccsid[] = "@(#)gfmt.c	8.4 (Berkeley) 03/28/94";
10 #endif /* not lint */
11 
12 #include <sys/types.h>
13 
14 #include <err.h>
15 #include <stdio.h>
16 #include <string.h>
17 
18 #include "stty.h"
19 #include "extern.h"
20 
21 static void gerr __P((char *));
22 
23 void
24 gprint(tp, wp, ldisc)
25 	struct termios *tp;
26 	struct winsize *wp;
27 	int ldisc;
28 {
29 	register struct cchar *cp;
30 
31 	(void)printf("gfmt1:cflag=%x:iflag=%x:lflag=%x:oflag=%x:",
32 	    tp->c_cflag, tp->c_iflag, tp->c_lflag, tp->c_oflag);
33 	for (cp = cchars1; cp->name; ++cp)
34 		(void)printf("%s=%x:", cp->name, tp->c_cc[cp->sub]);
35 	(void)printf("ispeed=%d:ospeed=%d\n", cfgetispeed(tp), cfgetospeed(tp));
36 }
37 
38 void
39 gread(tp, s)
40 	register struct termios *tp;
41 	char *s;
42 {
43 	register char *ep, *p;
44 	register struct cchar *cp;
45 	long tmp;
46 
47 	if ((s = strchr(s, ':')) == NULL)
48 		gerr(NULL);
49 	for (++s; s != NULL;) {
50 		p = strsep(&s, ":\0");
51 		if (!p || !*p)
52 			break;
53 		if (!(ep = strchr(p, '=')))
54 			gerr(p);
55 		*ep++ = '\0';
56 		(void)sscanf(ep, "%lx", &tmp);
57 
58 #define	CHK(s)	(*p == s[0] && !strcmp(p, s))
59 		if (CHK("cflag")) {
60 			tp->c_cflag = tmp;
61 			continue;
62 		}
63 		if (CHK("iflag")) {
64 			tp->c_iflag = tmp;
65 			continue;
66 		}
67 		if (CHK("ispeed")) {
68 			(void)sscanf(ep, "%ld", &tmp);
69 			tp->c_ispeed = tmp;
70 			continue;
71 		}
72 		if (CHK("lflag")) {
73 			tp->c_lflag = tmp;
74 			continue;
75 		}
76 		if (CHK("oflag")) {
77 			tp->c_oflag = tmp;
78 			continue;
79 		}
80 		if (CHK("ospeed")) {
81 			(void)sscanf(ep, "%ld", &tmp);
82 			tp->c_ospeed = tmp;
83 			continue;
84 		}
85 		for (cp = cchars1; cp->name != NULL; ++cp)
86 			if (CHK(cp->name)) {
87 				if (cp->sub == VMIN || cp->sub == VTIME)
88 					(void)sscanf(ep, "%ld", &tmp);
89 				tp->c_cc[cp->sub] = tmp;
90 				break;
91 			}
92 		if (cp->name == NULL)
93 			gerr(p);
94 	}
95 }
96 
97 static void
98 gerr(s)
99 	char *s;
100 {
101 	if (s)
102 		errx(1, "illegal gfmt1 option -- %s", s);
103 	else
104 		errx(1, "illegal gfmt1 option");
105 }
106