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87e1ec66 WJ |
1 | /*- |
2 | * Copyright (c) 1989, 1991 The Regents of the University of California. | |
3 | * 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. All advertising materials mentioning features or use of this software | |
14 | * must display the following acknowledgement: | |
15 | * This product includes software developed by the University of | |
16 | * California, Berkeley and its contributors. | |
17 | * 4. Neither the name of the University nor the names of its contributors | |
18 | * may be used to endorse or promote products derived from this software | |
19 | * without specific prior written permission. | |
20 | * | |
21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
31 | * SUCH DAMAGE. | |
32 | */ | |
33 | ||
34 | #ifndef lint | |
35 | char copyright[] = | |
36 | "@(#) Copyright (c) 1989, 1991 The Regents of the University of California.\n\ | |
37 | All rights reserved.\n"; | |
38 | #endif /* not lint */ | |
39 | ||
40 | #ifndef lint | |
41 | static char sccsid[] = "@(#)stty.c 5.28 (Berkeley) 6/5/91"; | |
42 | #endif /* not lint */ | |
43 | ||
44 | #include <sys/types.h> | |
45 | #include <fcntl.h> | |
46 | #include <errno.h> | |
47 | #include <unistd.h> | |
48 | #include <stdio.h> | |
49 | #include <ctype.h> | |
50 | #include <stdlib.h> | |
51 | #include <string.h> | |
52 | #include "stty.h" | |
53 | #include "extern.h" | |
54 | ||
55 | char *usage = "usage: stty: [-eg] [-f file] [options]"; | |
56 | ||
57 | main(argc, argv) | |
58 | int argc; | |
59 | char **argv; | |
60 | { | |
61 | struct info i; | |
62 | enum FMT fmt; | |
63 | int ch; | |
64 | ||
65 | fmt = NOTSET; | |
66 | i.fd = STDIN_FILENO; | |
67 | ||
68 | opterr = 0; | |
69 | while (strspn(argv[optind], "-aefg") == strlen(argv[optind]) && | |
70 | (ch = getopt(argc, argv, "aef:g")) != EOF) | |
71 | switch(ch) { | |
72 | case 'a': /* undocumented: POSIX compatibility */ | |
73 | fmt = POSIX; | |
74 | break; | |
75 | case 'e': | |
76 | fmt = BSD; | |
77 | break; | |
78 | case 'f': | |
79 | if ((i.fd = open(optarg, O_RDONLY | O_NONBLOCK)) < 0) | |
80 | err("%s: %s", optarg, strerror(errno)); | |
81 | break; | |
82 | case 'g': | |
83 | fmt = GFLAG; | |
84 | break; | |
85 | case '?': | |
86 | default: | |
87 | goto args; | |
88 | } | |
89 | ||
90 | args: argc -= optind; | |
91 | argv += optind; | |
92 | ||
93 | if (ioctl(i.fd, TIOCGETD, &i.ldisc) < 0) | |
94 | err("TIOCGETD: %s", strerror(errno)); | |
95 | if (tcgetattr(i.fd, &i.t) < 0) | |
96 | err("tcgetattr: %s", strerror(errno)); | |
97 | if (ioctl(i.fd, TIOCGWINSZ, &i.win) < 0) | |
98 | warn("TIOCGWINSZ: %s\n", strerror(errno)); | |
99 | ||
100 | checkredirect(); /* conversion aid */ | |
101 | ||
102 | switch(fmt) { | |
103 | case NOTSET: | |
104 | if (*argv) | |
105 | break; | |
106 | /* FALLTHROUGH */ | |
107 | case BSD: | |
108 | case POSIX: | |
109 | print(&i.t, &i.win, i.ldisc, fmt); | |
110 | break; | |
111 | case GFLAG: | |
112 | gprint(&i.t, &i.win, i.ldisc); | |
113 | break; | |
114 | } | |
115 | ||
116 | for (i.set = i.wset = 0; *argv; ++argv) { | |
117 | if (ksearch(&argv, &i)) | |
118 | continue; | |
119 | ||
120 | if (csearch(&argv, &i)) | |
121 | continue; | |
122 | ||
123 | if (msearch(&argv, &i)) | |
124 | continue; | |
125 | ||
126 | if (isdigit(**argv)) { | |
127 | int speed; | |
128 | ||
129 | speed = atoi(*argv); | |
130 | cfsetospeed(&i.t, speed); | |
131 | cfsetispeed(&i.t, speed); | |
132 | continue; | |
133 | } | |
134 | ||
135 | if (!strncmp(*argv, "gfmt1", sizeof("gfmt1") - 1)) { | |
136 | gread(&i.t, *argv + sizeof("gfmt1") - 1); | |
137 | continue; | |
138 | } | |
139 | ||
140 | err("illegal option -- %s\n%s", *argv, usage); | |
141 | } | |
142 | ||
143 | if (i.set && tcsetattr(i.fd, 0, &i.t) < 0) | |
144 | err("tcsetattr: %s", strerror(errno)); | |
145 | if (i.wset && ioctl(i.fd, TIOCSWINSZ, &i.win) < 0) | |
146 | warn("TIOCSWINSZ: %s", strerror(errno)); | |
147 | exit(0); | |
148 | } |