1 /*-
2 * SPDX-License-Identifier: BSD-3-Clause
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/types.h>
33
34 #include <err.h>
35 #include <stdio.h>
36 #include <stdlib.h>
37 #include <string.h>
38
39 #include "stty.h"
40 #include "extern.h"
41
42 static void gerr(const char *s) __dead2;
43
44 static void
gerr(const char * s)45 gerr(const char *s)
46 {
47 if (s)
48 errx(1, "illegal gfmt1 option -- %s", s);
49 else
50 errx(1, "illegal gfmt1 option");
51 }
52
53 void
gprint(struct termios * tp,struct winsize * wp __unused,int ldisc __unused)54 gprint(struct termios *tp, struct winsize *wp __unused, int ldisc __unused)
55 {
56 struct cchar *cp;
57
58 (void)printf("gfmt1:cflag=%lx:iflag=%lx:lflag=%lx:oflag=%lx:",
59 (u_long)tp->c_cflag, (u_long)tp->c_iflag, (u_long)tp->c_lflag,
60 (u_long)tp->c_oflag);
61 for (cp = cchars1; cp->name; ++cp)
62 (void)printf("%s=%x:", cp->name, tp->c_cc[cp->sub]);
63 (void)printf("ispeed=%lu:ospeed=%lu\n",
64 (u_long)cfgetispeed(tp), (u_long)cfgetospeed(tp));
65 }
66
67 void
gread(struct termios * tp,char * s)68 gread(struct termios *tp, char *s)
69 {
70 struct cchar *cp;
71 char *ep, *p;
72 long tmp;
73
74 if ((s = strchr(s, ':')) == NULL)
75 gerr(NULL);
76 for (++s; s != NULL;) {
77 p = strsep(&s, ":\0");
78 if (!p || !*p)
79 break;
80 if (!(ep = strchr(p, '=')))
81 gerr(p);
82 *ep++ = '\0';
83 tmp = strtoul(ep, NULL, 0x10);
84
85 #define CHK(s) (*p == s[0] && !strcmp(p, s))
86 if (CHK("cflag")) {
87 tp->c_cflag = tmp;
88 continue;
89 }
90 if (CHK("iflag")) {
91 tp->c_iflag = tmp;
92 continue;
93 }
94 if (CHK("ispeed")) {
95 tmp = strtoul(ep, NULL, 10);
96 tp->c_ispeed = tmp;
97 continue;
98 }
99 if (CHK("lflag")) {
100 tp->c_lflag = tmp;
101 continue;
102 }
103 if (CHK("oflag")) {
104 tp->c_oflag = tmp;
105 continue;
106 }
107 if (CHK("ospeed")) {
108 tmp = strtoul(ep, NULL, 10);
109 tp->c_ospeed = tmp;
110 continue;
111 }
112 for (cp = cchars1; cp->name != NULL; ++cp)
113 if (CHK(cp->name)) {
114 if (cp->sub == VMIN || cp->sub == VTIME)
115 tmp = strtoul(ep, NULL, 10);
116 tp->c_cc[cp->sub] = tmp;
117 break;
118 }
119 if (cp->name == NULL)
120 gerr(p);
121 }
122 }
123