print.c revision 1.19
1 /* $NetBSD: print.c,v 1.19 1999/03/02 17:27:03 christos 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 1.19 1999/03/02 17:27:03 christos 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((const char *)); 55 static void bput __P((const 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 #ifdef TTYDISC 75 if (ldisc != TTYDISC) { 76 switch(ldisc) { 77 case TABLDISC: 78 cnt += printf("tablet disc; "); 79 break; 80 case SLIPDISC: 81 cnt += printf("slip disc; "); 82 break; 83 case PPPDISC: 84 cnt += printf("ppp disc; "); 85 break; 86 case STRIPDISC: 87 cnt += printf("strip disc; "); 88 break; 89 default: 90 cnt += printf("#%d disc; ", ldisc); 91 break; 92 } 93 } 94 #endif 95 96 /* Line speed. */ 97 ispeed = cfgetispeed(tp); 98 ospeed = cfgetospeed(tp); 99 if (ispeed != ospeed) 100 cnt += 101 printf("ispeed %d baud; ospeed %d baud;", ispeed, ospeed); 102 else 103 cnt += printf("speed %d baud;", ispeed); 104 if (fmt >= STTY_BSD) 105 cnt += printf(" %d rows; %d columns;", wp->ws_row, wp->ws_col); 106 if (cnt) 107 (void)printf("\n"); 108 109 #define on(f) ((tmp&f) != 0) 110 #define put(n, f, d) \ 111 if (fmt >= STTY_BSD || on(f) != d) \ 112 bput(n + on(f)); 113 114 /* "local" flags */ 115 tmp = tp->c_lflag; 116 binit("lflags"); 117 put("-icanon", ICANON, 1); 118 put("-isig", ISIG, 1); 119 put("-iexten", IEXTEN, 1); 120 put("-echo", ECHO, 1); 121 put("-echoe", ECHOE, 0); 122 put("-echok", ECHOK, 0); 123 put("-echoke", ECHOKE, 0); 124 put("-echonl", ECHONL, 0); 125 put("-echoctl", ECHOCTL, 0); 126 put("-echoprt", ECHOPRT, 0); 127 put("-altwerase", ALTWERASE, 0); 128 put("-noflsh", NOFLSH, 0); 129 put("-tostop", TOSTOP, 0); 130 put("-flusho", FLUSHO, 0); 131 put("-pendin", PENDIN, 0); 132 put("-nokerninfo", NOKERNINFO, 0); 133 put("-extproc", EXTPROC, 0); 134 135 /* input flags */ 136 tmp = tp->c_iflag; 137 binit("iflags"); 138 put("-istrip", ISTRIP, 0); 139 put("-icrnl", ICRNL, 1); 140 put("-inlcr", INLCR, 0); 141 put("-igncr", IGNCR, 0); 142 put("-ixon", IXON, 1); 143 put("-ixoff", IXOFF, 0); 144 put("-ixany", IXANY, 1); 145 put("-imaxbel", IMAXBEL, 1); 146 put("-ignbrk", IGNBRK, 0); 147 put("-brkint", BRKINT, 1); 148 put("-inpck", INPCK, 0); 149 put("-ignpar", IGNPAR, 0); 150 put("-parmrk", PARMRK, 0); 151 152 /* output flags */ 153 tmp = tp->c_oflag; 154 binit("oflags"); 155 put("-opost", OPOST, 1); 156 put("-onlcr", ONLCR, 1); 157 put("-ocrnl", OCRNL, 0); 158 put("-oxtabs", OXTABS, 1); 159 put("-onocr", OXTABS, 0); 160 put("-onlret", OXTABS, 0); 161 162 /* control flags (hardware state) */ 163 tmp = tp->c_cflag; 164 binit("cflags"); 165 put("-cread", CREAD, 1); 166 switch(tmp&CSIZE) { 167 case CS5: 168 bput("cs5"); 169 break; 170 case CS6: 171 bput("cs6"); 172 break; 173 case CS7: 174 bput("cs7"); 175 break; 176 case CS8: 177 bput("cs8"); 178 break; 179 } 180 bput("-parenb" + on(PARENB)); 181 put("-parodd", PARODD, 0); 182 put("-hupcl", HUPCL, 1); 183 put("-clocal", CLOCAL, 0); 184 put("-cstopb", CSTOPB, 0); 185 put("-crtscts", CRTSCTS, 0); 186 put("-mdmbuf", MDMBUF, 0); 187 put("-cdtrcts", CDTRCTS, 0); 188 189 /* special control characters */ 190 cc = tp->c_cc; 191 if (fmt == STTY_POSIX) { 192 binit("cchars"); 193 for (p = cchars1; p->name; ++p) { 194 (void)snprintf(buf1, sizeof(buf1), "%s = %s;", 195 p->name, ccval(p, cc[p->sub])); 196 bput(buf1); 197 } 198 binit(NULL); 199 } else { 200 binit(NULL); 201 for (p = cchars1, cnt = 0; p->name; ++p) { 202 if (fmt != STTY_BSD && cc[p->sub] == p->def) 203 continue; 204 #define WD "%-8s" 205 (void)snprintf(buf1 + cnt * 8, 9, WD, p->name); 206 (void)snprintf(buf2 + cnt * 8, 9, WD, ccval(p, cc[p->sub])); 207 if (++cnt == LINELENGTH / 8) { 208 cnt = 0; 209 (void)printf("%s\n", buf1); 210 (void)printf("%s\n", buf2); 211 } 212 } 213 if (cnt) { 214 (void)printf("%s\n", buf1); 215 (void)printf("%s\n", buf2); 216 } 217 } 218 } 219 220 static int col; 221 static const char *label; 222 223 static void 224 binit(lb) 225 const char *lb; 226 { 227 228 if (col) { 229 (void)printf("\n"); 230 col = 0; 231 } 232 label = lb; 233 } 234 235 static void 236 bput(s) 237 const char *s; 238 { 239 240 if (col == 0) { 241 col = printf("%s: %s", label, s); 242 return; 243 } 244 if ((col + strlen(s)) > LINELENGTH) { 245 (void)printf("\n\t"); 246 col = printf("%s", s) + 8; 247 return; 248 } 249 col += printf(" %s", s); 250 } 251 252 static char * 253 ccval(p, c) 254 const struct cchar *p; 255 int c; 256 { 257 static char buf[5]; 258 char *bp; 259 260 if (c == _POSIX_VDISABLE) 261 return ("<undef>"); 262 263 if (p->sub == VMIN || p->sub == VTIME) { 264 (void)snprintf(buf, sizeof(buf), "%d", c); 265 return (buf); 266 } 267 bp = buf; 268 if (c & 0200) { 269 *bp++ = 'M'; 270 *bp++ = '-'; 271 c &= 0177; 272 } 273 if (c == 0177) { 274 *bp++ = '^'; 275 *bp++ = '?'; 276 } 277 else if (c < 040) { 278 *bp++ = '^'; 279 *bp++ = c + '@'; 280 } 281 else 282 *bp++ = c; 283 *bp = '\0'; 284 return (buf); 285 } 286
Indexes created Thu Oct 02 14:10:14 GMT 2025