print.c revision 8170
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. 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 * $Id: print.c,v 1.3 1995/04/28 19:29:30 ache Exp $ 34 */ 35 36#ifndef lint 37static char sccsid[] = "@(#)print.c 8.6 (Berkeley) 4/16/94"; 38#endif /* not lint */ 39 40#include <sys/types.h> 41 42#include <stddef.h> 43#include <stdio.h> 44#include <string.h> 45 46#include "stty.h" 47#include "extern.h" 48 49#include <sys/ioctl_compat.h> /* XXX NTTYDISC is too well hidden */ 50 51static void binit __P((char *)); 52static void bput __P((char *)); 53static char *ccval __P((struct cchar *, int)); 54 55void 56print(tp, wp, ldisc, fmt) 57 struct termios *tp; 58 struct winsize *wp; 59 int ldisc; 60 enum FMT fmt; 61{ 62 struct cchar *p; 63 long tmp; 64 u_char *cc; 65 int cnt, ispeed, ospeed; 66 char buf1[100], buf2[100]; 67 68 cnt = 0; 69 70 /* Line discipline. */ 71 if (ldisc != TTYDISC) { 72 switch(ldisc) { 73 case TABLDISC: 74 cnt += printf("tablet disc; "); 75 break; 76 case NTTYDISC: 77 cnt += printf("new tty disc; "); 78 break; 79 case SLIPDISC: 80 cnt += printf("slip disc; "); 81 break; 82 case PPPDISC: 83 cnt += printf("ppp disc; "); 84 break; 85 default: 86 cnt += printf("#%d disc; ", ldisc); 87 break; 88 } 89 } 90 91 /* Line speed. */ 92 ispeed = cfgetispeed(tp); 93 ospeed = cfgetospeed(tp); 94 if (ispeed != ospeed) 95 cnt += 96 printf("ispeed %d baud; ospeed %d baud;", ispeed, ospeed); 97 else 98 cnt += printf("speed %d baud;", ispeed); 99 if (fmt >= BSD) 100 cnt += printf(" %d rows; %d columns;", wp->ws_row, wp->ws_col); 101 if (cnt) 102 (void)printf("\n"); 103 104#define on(f) ((tmp & (f)) != 0) 105#define put(n, f, d) \ 106 if (fmt >= BSD || on(f) != (d)) \ 107 bput((n) + on(f)); 108 109 /* "local" flags */ 110 tmp = tp->c_lflag; 111 binit("lflags"); 112 put("-icanon", ICANON, 1); 113 put("-isig", ISIG, 1); 114 put("-iexten", IEXTEN, 1); 115 put("-echo", ECHO, 1); 116 put("-echoe", ECHOE, 0); 117 put("-echok", ECHOK, 0); 118 put("-echoke", ECHOKE, 0); 119 put("-echonl", ECHONL, 0); 120 put("-echoctl", ECHOCTL, 0); 121 put("-echoprt", ECHOPRT, 0); 122 put("-altwerase", ALTWERASE, 0); 123 put("-noflsh", NOFLSH, 0); 124 put("-tostop", TOSTOP, 0); 125 put("-flusho", FLUSHO, 0); 126 put("-pendin", PENDIN, 0); 127 put("-nokerninfo", NOKERNINFO, 0); 128 put("-extproc", EXTPROC, 0); 129 130 /* input flags */ 131 tmp = tp->c_iflag; 132 binit("iflags"); 133 put("-istrip", ISTRIP, 0); 134 put("-icrnl", ICRNL, 1); 135 put("-inlcr", INLCR, 0); 136 put("-igncr", IGNCR, 0); 137 put("-ixon", IXON, 1); 138 put("-ixoff", IXOFF, 0); 139 put("-ixany", IXANY, 1); 140 put("-imaxbel", IMAXBEL, 1); 141 put("-ignbrk", IGNBRK, 0); 142 put("-brkint", BRKINT, 1); 143 put("-inpck", INPCK, 0); 144 put("-ignpar", IGNPAR, 0); 145 put("-parmrk", PARMRK, 0); 146 147 /* output flags */ 148 tmp = tp->c_oflag; 149 binit("oflags"); 150 put("-opost", OPOST, 1); 151 put("-onlcr", ONLCR, 1); 152 put("-oxtabs", OXTABS, 1); 153 154 /* control flags (hardware state) */ 155 tmp = tp->c_cflag; 156 binit("cflags"); 157 put("-cread", CREAD, 1); 158 switch(tmp&CSIZE) { 159 case CS5: 160 bput("cs5"); 161 break; 162 case CS6: 163 bput("cs6"); 164 break; 165 case CS7: 166 bput("cs7"); 167 break; 168 case CS8: 169 bput("cs8"); 170 break; 171 } 172 bput("-parenb" + on(PARENB)); 173 put("-parodd", PARODD, 0); 174 put("-hupcl", HUPCL, 1); 175 put("-clocal", CLOCAL, 0); 176 put("-cstopb", CSTOPB, 0); 177 switch(tmp & (CCTS_OFLOW | CRTS_IFLOW)) { 178 case CCTS_OFLOW: 179 bput("ctsflow"); 180 break; 181 case CRTS_IFLOW: 182 bput("rtsflow"); 183 break; 184 default: 185 put("-crtscts", CCTS_OFLOW | CRTS_IFLOW, 0); 186 break; 187 } 188 put("-dsrflow", CDSR_OFLOW, 0); 189 put("-dtrflow", CDTR_IFLOW, 0); 190 put("-mdmbuf", MDMBUF, 0); /* XXX mdmbuf == dtrflow */ 191 192 /* special control characters */ 193 cc = tp->c_cc; 194 if (fmt == POSIX) { 195 binit("cchars"); 196 for (p = cchars1; p->name; ++p) { 197 (void)snprintf(buf1, sizeof(buf1), "%s = %s;", 198 p->name, ccval(p, cc[p->sub])); 199 bput(buf1); 200 } 201 binit(NULL); 202 } else { 203 binit(NULL); 204 for (p = cchars1, cnt = 0; p->name; ++p) { 205 if (fmt != BSD && cc[p->sub] == p->def) 206 continue; 207#define WD "%-8s" 208 (void)sprintf(buf1 + cnt * 8, WD, p->name); 209 (void)sprintf(buf2 + cnt * 8, WD, ccval(p, cc[p->sub])); 210 if (++cnt == LINELENGTH / 8) { 211 cnt = 0; 212 (void)printf("%s\n", buf1); 213 (void)printf("%s\n", buf2); 214 } 215 } 216 if (cnt) { 217 (void)printf("%s\n", buf1); 218 (void)printf("%s\n", buf2); 219 } 220 } 221} 222 223static int col; 224static char *label; 225 226static void 227binit(lb) 228 char *lb; 229{ 230 231 if (col) { 232 (void)printf("\n"); 233 col = 0; 234 } 235 label = lb; 236} 237 238static void 239bput(s) 240 char *s; 241{ 242 243 if (col == 0) { 244 col = printf("%s: %s", label, s); 245 return; 246 } 247 if ((col + strlen(s)) > LINELENGTH) { 248 (void)printf("\n\t"); 249 col = printf("%s", s) + 8; 250 return; 251 } 252 col += printf(" %s", s); 253} 254 255static char * 256ccval(p, c) 257 struct cchar *p; 258 int c; 259{ 260 static char buf[5]; 261 char *bp; 262 263 if (p->sub == VMIN || p->sub == VTIME) { 264 (void)snprintf(buf, sizeof(buf), "%d", c); 265 return (buf); 266 } 267 if (c == _POSIX_VDISABLE) 268 return ("<undef>"); 269 bp = buf; 270 if (c & 0200) { 271 *bp++ = 'M'; 272 *bp++ = '-'; 273 c &= 0177; 274 } 275 if (c == 0177) { 276 *bp++ = '^'; 277 *bp++ = '?'; 278 } 279 else if (c < 040) { 280 *bp++ = '^'; 281 *bp++ = c + '@'; 282 } 283 else 284 *bp++ = c; 285 *bp = '\0'; 286 return (buf); 287} 288