print.c revision 1.15 1 /* $NetBSD: print.c,v 1.15 1998/02/13 20:45:24 kleink Exp $ */
2
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. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by the University of
18 * California, Berkeley and its contributors.
19 * 4. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36 #include <sys/cdefs.h>
37 #ifndef lint
38 #if 0
39 static char sccsid[] = "@(#)print.c 8.6 (Berkeley) 4/16/94";
40 #else
41 __RCSID("$NetBSD: print.c,v 1.15 1998/02/13 20:45:24 kleink Exp $");
42 #endif
43 #endif /* not lint */
44
45 #include <sys/types.h>
46
47 #include <stddef.h>
48 #include <stdio.h>
49 #include <string.h>
50
51 #include "stty.h"
52 #include "extern.h"
53
54 static void binit __P((char *));
55 static void bput __P((char *));
56 static char *ccval __P((const struct cchar *, int));
57
58 void
59 print(tp, wp, ldisc, fmt)
60 struct termios *tp;
61 struct winsize *wp;
62 int ldisc;
63 enum FMT fmt;
64 {
65 const struct cchar *p;
66 long tmp;
67 u_char *cc;
68 int cnt, ispeed, ospeed;
69 char buf1[100], buf2[100];
70
71 cnt = 0;
72
73 /* Line discipline. */
74 if (ldisc != TTYDISC) {
75 switch(ldisc) {
76 case TABLDISC:
77 cnt += printf("tablet disc; ");
78 break;
79 case SLIPDISC:
80 cnt += printf("slip disc; ");
81 break;
82 case PPPDISC:
83 cnt += printf("ppp disc; ");
84 break;
85 case STRIPDISC:
86 cnt += printf("strip disc; ");
87 break;
88 default:
89 cnt += printf("#%d disc; ", ldisc);
90 break;
91 }
92 }
93
94 /* Line speed. */
95 ispeed = cfgetispeed(tp);
96 ospeed = cfgetospeed(tp);
97 if (ispeed != ospeed)
98 cnt +=
99 printf("ispeed %d baud; ospeed %d baud;", ispeed, ospeed);
100 else
101 cnt += printf("speed %d baud;", ispeed);
102 if (fmt >= BSD)
103 cnt += printf(" %d rows; %d columns;", wp->ws_row, wp->ws_col);
104 if (cnt)
105 (void)printf("\n");
106
107 #define on(f) ((tmp&f) != 0)
108 #define put(n, f, d) \
109 if (fmt >= BSD || on(f) != d) \
110 bput(n + on(f));
111
112 /* "local" flags */
113 tmp = tp->c_lflag;
114 binit("lflags");
115 put("-icanon", ICANON, 1);
116 put("-isig", ISIG, 1);
117 put("-iexten", IEXTEN, 1);
118 put("-echo", ECHO, 1);
119 put("-echoe", ECHOE, 0);
120 put("-echok", ECHOK, 0);
121 put("-echoke", ECHOKE, 0);
122 put("-echonl", ECHONL, 0);
123 put("-echoctl", ECHOCTL, 0);
124 put("-echoprt", ECHOPRT, 0);
125 put("-altwerase", ALTWERASE, 0);
126 put("-noflsh", NOFLSH, 0);
127 put("-tostop", TOSTOP, 0);
128 put("-flusho", FLUSHO, 0);
129 put("-pendin", PENDIN, 0);
130 put("-nokerninfo", NOKERNINFO, 0);
131 put("-extproc", EXTPROC, 0);
132
133 /* input flags */
134 tmp = tp->c_iflag;
135 binit("iflags");
136 put("-istrip", ISTRIP, 0);
137 put("-icrnl", ICRNL, 1);
138 put("-inlcr", INLCR, 0);
139 put("-igncr", IGNCR, 0);
140 put("-ixon", IXON, 1);
141 put("-ixoff", IXOFF, 0);
142 put("-ixany", IXANY, 1);
143 put("-imaxbel", IMAXBEL, 1);
144 put("-ignbrk", IGNBRK, 0);
145 put("-brkint", BRKINT, 1);
146 put("-inpck", INPCK, 0);
147 put("-ignpar", IGNPAR, 0);
148 put("-parmrk", PARMRK, 0);
149
150 /* output flags */
151 tmp = tp->c_oflag;
152 binit("oflags");
153 put("-opost", OPOST, 1);
154 put("-onlcr", ONLCR, 1);
155 put("-ocrnl", OCRNL, 0);
156 put("-oxtabs", OXTABS, 1);
157
158 /* control flags (hardware state) */
159 tmp = tp->c_cflag;
160 binit("cflags");
161 put("-cread", CREAD, 1);
162 switch(tmp&CSIZE) {
163 case CS5:
164 bput("cs5");
165 break;
166 case CS6:
167 bput("cs6");
168 break;
169 case CS7:
170 bput("cs7");
171 break;
172 case CS8:
173 bput("cs8");
174 break;
175 }
176 bput("-parenb" + on(PARENB));
177 put("-parodd", PARODD, 0);
178 put("-hupcl", HUPCL, 1);
179 put("-clocal", CLOCAL, 0);
180 put("-cstopb", CSTOPB, 0);
181 put("-crtscts", CRTSCTS, 0);
182 put("-mdmbuf", MDMBUF, 0);
183 put("-cdtrcts", CDTRCTS, 0);
184
185 /* special control characters */
186 cc = tp->c_cc;
187 if (fmt == POSIX) {
188 binit("cchars");
189 for (p = cchars1; p->name; ++p) {
190 (void)snprintf(buf1, sizeof(buf1), "%s = %s;",
191 p->name, ccval(p, cc[p->sub]));
192 bput(buf1);
193 }
194 binit(NULL);
195 } else {
196 binit(NULL);
197 for (p = cchars1, cnt = 0; p->name; ++p) {
198 if (fmt != BSD && cc[p->sub] == p->def)
199 continue;
200 #define WD "%-8s"
201 (void)sprintf(buf1 + cnt * 8, WD, p->name);
202 (void)sprintf(buf2 + cnt * 8, WD, ccval(p, cc[p->sub]));
203 if (++cnt == LINELENGTH / 8) {
204 cnt = 0;
205 (void)printf("%s\n", buf1);
206 (void)printf("%s\n", buf2);
207 }
208 }
209 if (cnt) {
210 (void)printf("%s\n", buf1);
211 (void)printf("%s\n", buf2);
212 }
213 }
214 }
215
216 static int col;
217 static char *label;
218
219 static void
220 binit(lb)
221 char *lb;
222 {
223
224 if (col) {
225 (void)printf("\n");
226 col = 0;
227 }
228 label = lb;
229 }
230
231 static void
232 bput(s)
233 char *s;
234 {
235
236 if (col == 0) {
237 col = printf("%s: %s", label, s);
238 return;
239 }
240 if ((col + strlen(s)) > LINELENGTH) {
241 (void)printf("\n\t");
242 col = printf("%s", s) + 8;
243 return;
244 }
245 col += printf(" %s", s);
246 }
247
248 static char *
249 ccval(p, c)
250 const struct cchar *p;
251 int c;
252 {
253 static char buf[5];
254 char *bp;
255
256 if (c == _POSIX_VDISABLE)
257 return ("<undef>");
258
259 if (p->sub == VMIN || p->sub == VTIME) {
260 (void)snprintf(buf, sizeof(buf), "%d", c);
261 return (buf);
262 }
263 bp = buf;
264 if (c & 0200) {
265 *bp++ = 'M';
266 *bp++ = '-';
267 c &= 0177;
268 }
269 if (c == 0177) {
270 *bp++ = '^';
271 *bp++ = '?';
272 }
273 else if (c < 040) {
274 *bp++ = '^';
275 *bp++ = c + '@';
276 }
277 else
278 *bp++ = c;
279 *bp = '\0';
280 return (buf);
281 }
282