print.c revision 1.9
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 /*static char sccsid[] = "from: @(#)print.c 8.6 (Berkeley) 4/16/94";*/ 36 static char *rcsid = "$Id: print.c,v 1.9 1994/09/20 04:52:09 mycroft Exp $"; 37 #endif /* not lint */ 38 39 #include <sys/types.h> 40 41 #include <stddef.h> 42 #include <stdio.h> 43 #include <string.h> 44 45 #include "stty.h" 46 #include "extern.h" 47 48 static void binit __P((char *)); 49 static void bput __P((char *)); 50 static char *ccval __P((struct cchar *, int)); 51 52 void 53 print(tp, wp, ldisc, fmt) 54 struct termios *tp; 55 struct winsize *wp; 56 int ldisc; 57 enum FMT fmt; 58 { 59 struct cchar *p; 60 long tmp; 61 u_char *cc; 62 int cnt, ispeed, ospeed; 63 char buf1[100], buf2[100]; 64 65 cnt = 0; 66 67 /* Line discipline. */ 68 if (ldisc != TTYDISC) { 69 switch(ldisc) { 70 case TABLDISC: 71 cnt += printf("tablet disc; "); 72 break; 73 case SLIPDISC: 74 cnt += printf("slip disc; "); 75 break; 76 case PPPDISC: 77 cnt += printf("ppp disc; "); 78 break; 79 default: 80 cnt += printf("#%d disc; ", ldisc); 81 break; 82 } 83 } 84 85 /* Line speed. */ 86 ispeed = cfgetispeed(tp); 87 ospeed = cfgetospeed(tp); 88 if (ispeed != ospeed) 89 cnt += 90 printf("ispeed %d baud; ospeed %d baud;", ispeed, ospeed); 91 else 92 cnt += printf("speed %d baud;", ispeed); 93 if (fmt >= BSD) 94 cnt += printf(" %d rows; %d columns;", wp->ws_row, wp->ws_col); 95 if (cnt) 96 (void)printf("\n"); 97 98 #define on(f) ((tmp&f) != 0) 99 #define put(n, f, d) \ 100 if (fmt >= BSD || on(f) != d) \ 101 bput(n + on(f)); 102 103 /* "local" flags */ 104 tmp = tp->c_lflag; 105 binit("lflags"); 106 put("-icanon", ICANON, 1); 107 put("-isig", ISIG, 1); 108 put("-iexten", IEXTEN, 1); 109 put("-echo", ECHO, 1); 110 put("-echoe", ECHOE, 0); 111 put("-echok", ECHOK, 0); 112 put("-echoke", ECHOKE, 0); 113 put("-echonl", ECHONL, 0); 114 put("-echoctl", ECHOCTL, 0); 115 put("-echoprt", ECHOPRT, 0); 116 put("-altwerase", ALTWERASE, 0); 117 put("-noflsh", NOFLSH, 0); 118 put("-tostop", TOSTOP, 0); 119 put("-flusho", FLUSHO, 0); 120 put("-pendin", PENDIN, 0); 121 put("-nokerninfo", NOKERNINFO, 0); 122 put("-extproc", EXTPROC, 0); 123 124 /* input flags */ 125 tmp = tp->c_iflag; 126 binit("iflags"); 127 put("-istrip", ISTRIP, 0); 128 put("-icrnl", ICRNL, 1); 129 put("-inlcr", INLCR, 0); 130 put("-igncr", IGNCR, 0); 131 put("-ixon", IXON, 1); 132 put("-ixoff", IXOFF, 0); 133 put("-ixany", IXANY, 1); 134 put("-imaxbel", IMAXBEL, 1); 135 put("-ignbrk", IGNBRK, 0); 136 put("-brkint", BRKINT, 1); 137 put("-inpck", INPCK, 0); 138 put("-ignpar", IGNPAR, 0); 139 put("-parmrk", PARMRK, 0); 140 141 /* output flags */ 142 tmp = tp->c_oflag; 143 binit("oflags"); 144 put("-opost", OPOST, 1); 145 put("-onlcr", ONLCR, 1); 146 put("-oxtabs", OXTABS, 1); 147 148 /* control flags (hardware state) */ 149 tmp = tp->c_cflag; 150 binit("cflags"); 151 put("-cread", CREAD, 1); 152 switch(tmp&CSIZE) { 153 case CS5: 154 bput("cs5"); 155 break; 156 case CS6: 157 bput("cs6"); 158 break; 159 case CS7: 160 bput("cs7"); 161 break; 162 case CS8: 163 bput("cs8"); 164 break; 165 } 166 bput("-parenb" + on(PARENB)); 167 put("-parodd", PARODD, 0); 168 put("-hupcl", HUPCL, 1); 169 put("-clocal", CLOCAL, 0); 170 put("-cstopb", CSTOPB, 0); 171 put("-crtscts", CRTSCTS, 0); 172 put("-mdmbuf", MDMBUF, 0); 173 174 /* special control characters */ 175 cc = tp->c_cc; 176 if (fmt == POSIX) { 177 binit("cchars"); 178 for (p = cchars1; p->name; ++p) { 179 (void)snprintf(buf1, sizeof(buf1), "%s = %s;", 180 p->name, ccval(p, cc[p->sub])); 181 bput(buf1); 182 } 183 binit(NULL); 184 } else { 185 binit(NULL); 186 for (p = cchars1, cnt = 0; p->name; ++p) { 187 if (fmt != BSD && cc[p->sub] == p->def) 188 continue; 189 #define WD "%-8s" 190 (void)sprintf(buf1 + cnt * 8, WD, p->name); 191 (void)sprintf(buf2 + cnt * 8, WD, ccval(p, cc[p->sub])); 192 if (++cnt == LINELENGTH / 8) { 193 cnt = 0; 194 (void)printf("%s\n", buf1); 195 (void)printf("%s\n", buf2); 196 } 197 } 198 if (cnt) { 199 (void)printf("%s\n", buf1); 200 (void)printf("%s\n", buf2); 201 } 202 } 203 } 204 205 static int col; 206 static char *label; 207 208 static void 209 binit(lb) 210 char *lb; 211 { 212 213 if (col) { 214 (void)printf("\n"); 215 col = 0; 216 } 217 label = lb; 218 } 219 220 static void 221 bput(s) 222 char *s; 223 { 224 225 if (col == 0) { 226 col = printf("%s: %s", label, s); 227 return; 228 } 229 if ((col + strlen(s)) > LINELENGTH) { 230 (void)printf("\n\t"); 231 col = printf("%s", s) + 8; 232 return; 233 } 234 col += printf(" %s", s); 235 } 236 237 static char * 238 ccval(p, c) 239 struct cchar *p; 240 int c; 241 { 242 static char buf[5]; 243 char *bp; 244 245 if (c == _POSIX_VDISABLE) 246 return ("<undef>"); 247 248 if (p->sub == VMIN || p->sub == VTIME) { 249 (void)snprintf(buf, sizeof(buf), "%d", c); 250 return (buf); 251 } 252 bp = buf; 253 if (c & 0200) { 254 *bp++ = 'M'; 255 *bp++ = '-'; 256 c &= 0177; 257 } 258 if (c == 0177) { 259 *bp++ = '^'; 260 *bp++ = '?'; 261 } 262 else if (c < 040) { 263 *bp++ = '^'; 264 *bp++ = c + '@'; 265 } 266 else 267 *bp++ = c; 268 *bp = '\0'; 269 return (buf); 270 } 271
Indexes created Thu Oct 02 10:09:58 GMT 2025