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