Merge remote-tracking branch 'origin/vendor/LIBRESSL'
[dragonfly.git] / bin / stty / gfmt.c
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  * @(#)gfmt.c   8.6 (Berkeley) 4/2/94
30  * $FreeBSD: src/bin/stty/gfmt.c,v 1.10.2.2 2001/08/01 05:26:12 obrien Exp $
31  * $DragonFly: src/bin/stty/gfmt.c,v 1.5 2004/11/07 20:54:52 eirikn Exp $
32  */
33
34 #include <sys/types.h>
35
36 #include <err.h>
37 #include <stdio.h>
38 #include <string.h>
39
40 #include "stty.h"
41 #include "extern.h"
42
43 static void gerr (const char *s);
44
45 static void
46 gerr(const char *s)
47 {
48         if (s)
49                 errx(1, "illegal gfmt1 option -- %s", s);
50         else
51                 errx(1, "illegal gfmt1 option");
52 }
53
54 void
55 gprint(struct termios *tp, struct winsize *wp __unused, int ldisc __unused)
56 {
57         struct cchar *cp;
58
59         printf("gfmt1:cflag=%lx:iflag=%lx:lflag=%lx:oflag=%lx:",
60             (u_long)tp->c_cflag, (u_long)tp->c_iflag, (u_long)tp->c_lflag,
61             (u_long)tp->c_oflag);
62         for (cp = cchars1; cp->name; ++cp)
63                 printf("%s=%x:", cp->name, tp->c_cc[cp->sub]);
64         printf("ispeed=%lu:ospeed=%lu\n",
65             (u_long)cfgetispeed(tp), (u_long)cfgetospeed(tp));
66 }
67
68 void
69 gread(struct termios *tp, char *s)
70 {
71         struct cchar *cp;
72         char *ep, *p;
73         long tmp;
74
75         if ((s = strchr(s, ':')) == NULL)
76                 gerr(NULL);
77         for (++s; s != NULL;) {
78                 p = strsep(&s, ":\0");
79                 if (!p || !*p)
80                         break;
81                 if (!(ep = strchr(p, '=')))
82                         gerr(p);
83                 *ep++ = '\0';
84                 sscanf(ep, "%lx", &tmp);
85
86 #define CHK(s)  (*p == s[0] && !strcmp(p, s))
87                 if (CHK("cflag")) {
88                         tp->c_cflag = tmp;
89                         continue;
90                 }
91                 if (CHK("iflag")) {
92                         tp->c_iflag = tmp;
93                         continue;
94                 }
95                 if (CHK("ispeed")) {
96                         sscanf(ep, "%ld", &tmp);
97                         tp->c_ispeed = tmp;
98                         continue;
99                 }
100                 if (CHK("lflag")) {
101                         tp->c_lflag = tmp;
102                         continue;
103                 }
104                 if (CHK("oflag")) {
105                         tp->c_oflag = tmp;
106                         continue;
107                 }
108                 if (CHK("ospeed")) {
109                         sscanf(ep, "%ld", &tmp);
110                         tp->c_ospeed = tmp;
111                         continue;
112                 }
113                 for (cp = cchars1; cp->name != NULL; ++cp)
114                         if (CHK(cp->name)) {
115                                 if (cp->sub == VMIN || cp->sub == VTIME)
116                                         sscanf(ep, "%ld", &tmp);
117                                 tp->c_cc[cp->sub] = tmp;
118                                 break;
119                         }
120                 if (cp->name == NULL)
121                         gerr(p);
122         }
123 }