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 34 #ifndef lint 35 #if 0 36 static char sccsid[] = "@(#)print.c 8.6 (Berkeley) 4/16/94"; 37 #endif 38 static const char rcsid[] = 39 "$FreeBSD: src/bin/stty/print.c,v 1.12.2.2 2001/07/04 22:40:00 kris Exp $"; 40 #endif /* not lint */ 41 42 #include <sys/types.h> 43 44 #include <stddef.h> 45 #include <stdio.h> 46 #include <string.h> 47 48 #include "stty.h" 49 #include "extern.h" 50 51 #include <sys/ioctl_compat.h> /* XXX NTTYDISC is too well hidden */ 52 53 static void binit __P((const char *)); 54 static void bput __P((const char *)); 55 static const char *ccval __P((struct cchar *, int)); 56 57 void 58 print(tp, wp, ldisc, fmt) 59 struct termios *tp; 60 struct winsize *wp; 61 int ldisc; 62 enum FMT fmt; 63 { 64 struct cchar *p; 65 long tmp; 66 u_char *cc; 67 int cnt, ispeed, ospeed; 68 char buf1[100], buf2[100]; 69 70 cnt = 0; 71 72 /* Line discipline. */ 73 if (ldisc != TTYDISC) { 74 switch(ldisc) { 75 case NTTYDISC: 76 cnt += printf("new tty disc; "); 77 break; 78 case SLIPDISC: 79 cnt += printf("slip disc; "); 80 break; 81 case PPPDISC: 82 cnt += printf("ppp disc; "); 83 break; 84 default: 85 cnt += printf("#%d disc; ", ldisc); 86 break; 87 } 88 } 89 90 /* Line speed. */ 91 ispeed = cfgetispeed(tp); 92 ospeed = cfgetospeed(tp); 93 if (ispeed != ospeed) 94 cnt += 95 printf("ispeed %d baud; ospeed %d baud;", ispeed, ospeed); 96 else 97 cnt += printf("speed %d baud;", ispeed); 98 if (fmt >= BSD) 99 cnt += printf(" %d rows; %d columns;", wp->ws_row, wp->ws_col); 100 if (cnt) 101 (void)printf("\n"); 102 103 #define on(f) ((tmp & (f)) != 0) 104 #define put(n, f, d) \ 105 if (fmt >= BSD || on(f) != (d)) \ 106 bput((n) + on(f)); 107 108 /* "local" flags */ 109 tmp = tp->c_lflag; 110 binit("lflags"); 111 put("-icanon", ICANON, 1); 112 put("-isig", ISIG, 1); 113 put("-iexten", IEXTEN, 1); 114 put("-echo", ECHO, 1); 115 put("-echoe", ECHOE, 0); 116 put("-echok", ECHOK, 0); 117 put("-echoke", ECHOKE, 0); 118 put("-echonl", ECHONL, 0); 119 put("-echoctl", ECHOCTL, 0); 120 put("-echoprt", ECHOPRT, 0); 121 put("-altwerase", ALTWERASE, 0); 122 put("-noflsh", NOFLSH, 0); 123 put("-tostop", TOSTOP, 0); 124 put("-flusho", FLUSHO, 0); 125 put("-pendin", PENDIN, 0); 126 put("-nokerninfo", NOKERNINFO, 0); 127 put("-extproc", EXTPROC, 0); 128 129 /* input flags */ 130 tmp = tp->c_iflag; 131 binit("iflags"); 132 put("-istrip", ISTRIP, 0); 133 put("-icrnl", ICRNL, 1); 134 put("-inlcr", INLCR, 0); 135 put("-igncr", IGNCR, 0); 136 put("-ixon", IXON, 1); 137 put("-ixoff", IXOFF, 0); 138 put("-ixany", IXANY, 1); 139 put("-imaxbel", IMAXBEL, 1); 140 put("-ignbrk", IGNBRK, 0); 141 put("-brkint", BRKINT, 1); 142 put("-inpck", INPCK, 0); 143 put("-ignpar", IGNPAR, 0); 144 put("-parmrk", PARMRK, 0); 145 146 /* output flags */ 147 tmp = tp->c_oflag; 148 binit("oflags"); 149 put("-opost", OPOST, 1); 150 put("-onlcr", ONLCR, 1); 151 put("-ocrnl", OCRNL, 0); 152 put("-oxtabs", OXTABS, 1); 153 put("-onocr", OXTABS, 0); 154 put("-onlret", OXTABS, 0); 155 156 /* control flags (hardware state) */ 157 tmp = tp->c_cflag; 158 binit("cflags"); 159 put("-cread", CREAD, 1); 160 switch(tmp&CSIZE) { 161 case CS5: 162 bput("cs5"); 163 break; 164 case CS6: 165 bput("cs6"); 166 break; 167 case CS7: 168 bput("cs7"); 169 break; 170 case CS8: 171 bput("cs8"); 172 break; 173 } 174 bput("-parenb" + on(PARENB)); 175 put("-parodd", PARODD, 0); 176 put("-hupcl", HUPCL, 1); 177 put("-clocal", CLOCAL, 0); 178 put("-cstopb", CSTOPB, 0); 179 switch(tmp & (CCTS_OFLOW | CRTS_IFLOW)) { 180 case CCTS_OFLOW: 181 bput("ctsflow"); 182 break; 183 case CRTS_IFLOW: 184 bput("rtsflow"); 185 break; 186 default: 187 put("-crtscts", CCTS_OFLOW | CRTS_IFLOW, 0); 188 break; 189 } 190 put("-dsrflow", CDSR_OFLOW, 0); 191 put("-dtrflow", CDTR_IFLOW, 0); 192 put("-mdmbuf", MDMBUF, 0); /* XXX mdmbuf == dtrflow */ 193 194 /* special control characters */ 195 cc = tp->c_cc; 196 if (fmt == POSIX) { 197 binit("cchars"); 198 for (p = cchars1; p->name; ++p) { 199 (void)snprintf(buf1, sizeof(buf1), "%s = %s;", 200 p->name, ccval(p, cc[p->sub])); 201 bput(buf1); 202 } 203 binit(NULL); 204 } else { 205 binit(NULL); 206 for (p = cchars1, cnt = 0; p->name; ++p) { 207 if (fmt != BSD && cc[p->sub] == p->def) 208 continue; 209 #define WD "%-8s" 210 (void)snprintf(buf1 + cnt * 8, sizeof(buf1) - cnt * 8, 211 WD, p->name); 212 (void)snprintf(buf2 + cnt * 8, sizeof(buf2) - cnt * 8, 213 WD, ccval(p, cc[p->sub])); 214 if (++cnt == LINELENGTH / 8) { 215 cnt = 0; 216 (void)printf("%s\n", buf1); 217 (void)printf("%s\n", buf2); 218 } 219 } 220 if (cnt) { 221 (void)printf("%s\n", buf1); 222 (void)printf("%s\n", buf2); 223 } 224 } 225 } 226 227 static int col; 228 static const char *label; 229 230 static void 231 binit(lb) 232 const char *lb; 233 { 234 235 if (col) { 236 (void)printf("\n"); 237 col = 0; 238 } 239 label = lb; 240 } 241 242 static void 243 bput(s) 244 const char *s; 245 { 246 247 if (col == 0) { 248 col = printf("%s: %s", label, s); 249 return; 250 } 251 if ((col + strlen(s)) > LINELENGTH) { 252 (void)printf("\n\t"); 253 col = printf("%s", s) + 8; 254 return; 255 } 256 col += printf(" %s", s); 257 } 258 259 static const char * 260 ccval(p, c) 261 struct cchar *p; 262 int c; 263 { 264 static char buf[5]; 265 char *bp; 266 267 if (p->sub == VMIN || p->sub == VTIME) { 268 (void)snprintf(buf, sizeof(buf), "%d", c); 269 return (buf); 270 } 271 if (c == _POSIX_VDISABLE) 272 return ("<undef>"); 273 bp = buf; 274 if (c & 0200) { 275 *bp++ = 'M'; 276 *bp++ = '-'; 277 c &= 0177; 278 } 279 if (c == 0177) { 280 *bp++ = '^'; 281 *bp++ = '?'; 282 } 283 else if (c < 040) { 284 *bp++ = '^'; 285 *bp++ = c + '@'; 286 } 287 else 288 *bp++ = c; 289 *bp = '\0'; 290 return (buf); 291 } 292