print.c revision 1.11
1 /* $NetBSD: print.c,v 1.11 1996/05/07 18:20:10 jtc 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 #ifndef lint 37 #if 0 38 static char sccsid[] = "@(#)print.c 8.6 (Berkeley) 4/16/94"; 39 #else 40 static char rcsid[] = "$NetBSD: print.c,v 1.11 1996/05/07 18:20:10 jtc Exp $"; 41 #endif 42 #endif /* not lint */ 43 44 #include <sys/types.h> 45 46 #include <stddef.h> 47 #include <stdio.h> 48 #include <string.h> 49 50 #include "stty.h" 51 #include "extern.h" 52 53 static void binit __P((char *)); 54 static void bput __P((char *)); 55 static char *ccval __P((const 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 const 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 TABLDISC: 76 cnt += printf("tablet 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("-oxtabs", OXTABS, 1); 152 153 /* control flags (hardware state) */ 154 tmp = tp->c_cflag; 155 binit("cflags"); 156 put("-cread", CREAD, 1); 157 switch(tmp&CSIZE) { 158 case CS5: 159 bput("cs5"); 160 break; 161 case CS6: 162 bput("cs6"); 163 break; 164 case CS7: 165 bput("cs7"); 166 break; 167 case CS8: 168 bput("cs8"); 169 break; 170 } 171 bput("-parenb" + on(PARENB)); 172 put("-parodd", PARODD, 0); 173 put("-hupcl", HUPCL, 1); 174 put("-clocal", CLOCAL, 0); 175 put("-cstopb", CSTOPB, 0); 176 put("-crtscts", CRTSCTS, 0); 177 put("-mdmbuf", MDMBUF, 0); 178 179 /* special control characters */ 180 cc = tp->c_cc; 181 if (fmt == POSIX) { 182 binit("cchars"); 183 for (p = cchars1; p->name; ++p) { 184 (void)snprintf(buf1, sizeof(buf1), "%s = %s;", 185 p->name, ccval(p, cc[p->sub])); 186 bput(buf1); 187 } 188 binit(NULL); 189 } else { 190 binit(NULL); 191 for (p = cchars1, cnt = 0; p->name; ++p) { 192 if (fmt != BSD && cc[p->sub] == p->def) 193 continue; 194 #define WD "%-8s" 195 (void)sprintf(buf1 + cnt * 8, WD, p->name); 196 (void)sprintf(buf2 + cnt * 8, WD, ccval(p, cc[p->sub])); 197 if (++cnt == LINELENGTH / 8) { 198 cnt = 0; 199 (void)printf("%s\n", buf1); 200 (void)printf("%s\n", buf2); 201 } 202 } 203 if (cnt) { 204 (void)printf("%s\n", buf1); 205 (void)printf("%s\n", buf2); 206 } 207 } 208 } 209 210 static int col; 211 static char *label; 212 213 static void 214 binit(lb) 215 char *lb; 216 { 217 218 if (col) { 219 (void)printf("\n"); 220 col = 0; 221 } 222 label = lb; 223 } 224 225 static void 226 bput(s) 227 char *s; 228 { 229 230 if (col == 0) { 231 col = printf("%s: %s", label, s); 232 return; 233 } 234 if ((col + strlen(s)) > LINELENGTH) { 235 (void)printf("\n\t"); 236 col = printf("%s", s) + 8; 237 return; 238 } 239 col += printf(" %s", s); 240 } 241 242 static char * 243 ccval(p, c) 244 const struct cchar *p; 245 int c; 246 { 247 static char buf[5]; 248 char *bp; 249 250 if (c == _POSIX_VDISABLE) 251 return ("<undef>"); 252 253 if (p->sub == VMIN || p->sub == VTIME) { 254 (void)snprintf(buf, sizeof(buf), "%d", c); 255 return (buf); 256 } 257 bp = buf; 258 if (c & 0200) { 259 *bp++ = 'M'; 260 *bp++ = '-'; 261 c &= 0177; 262 } 263 if (c == 0177) { 264 *bp++ = '^'; 265 *bp++ = '?'; 266 } 267 else if (c < 040) { 268 *bp++ = '^'; 269 *bp++ = c + '@'; 270 } 271 else 272 *bp++ = c; 273 *bp = '\0'; 274 return (buf); 275 } 276
Indexes created Thu Oct 02 14:10:14 GMT 2025