print.c revision 1.14
1 /* $NetBSD: print.c,v 1.14 1997/10/20 08:08:07 scottr 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 1.14 1997/10/20 08:08:07 scottr 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((char *)); 55 static void bput __P((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 if (ldisc != TTYDISC) { 75 switch(ldisc) { 76 case TABLDISC: 77 cnt += printf("tablet disc; "); 78 break; 79 case SLIPDISC: 80 cnt += printf("slip disc; "); 81 break; 82 case PPPDISC: 83 cnt += printf("ppp disc; "); 84 break; 85 default: 86 cnt += printf("#%d disc; ", ldisc); 87 break; 88 } 89 } 90 91 /* Line speed. */ 92 ispeed = cfgetispeed(tp); 93 ospeed = cfgetospeed(tp); 94 if (ispeed != ospeed) 95 cnt += 96 printf("ispeed %d baud; ospeed %d baud;", ispeed, ospeed); 97 else 98 cnt += printf("speed %d baud;", ispeed); 99 if (fmt >= BSD) 100 cnt += printf(" %d rows; %d columns;", wp->ws_row, wp->ws_col); 101 if (cnt) 102 (void)printf("\n"); 103 104 #define on(f) ((tmp&f) != 0) 105 #define put(n, f, d) \ 106 if (fmt >= BSD || on(f) != d) \ 107 bput(n + on(f)); 108 109 /* "local" flags */ 110 tmp = tp->c_lflag; 111 binit("lflags"); 112 put("-icanon", ICANON, 1); 113 put("-isig", ISIG, 1); 114 put("-iexten", IEXTEN, 1); 115 put("-echo", ECHO, 1); 116 put("-echoe", ECHOE, 0); 117 put("-echok", ECHOK, 0); 118 put("-echoke", ECHOKE, 0); 119 put("-echonl", ECHONL, 0); 120 put("-echoctl", ECHOCTL, 0); 121 put("-echoprt", ECHOPRT, 0); 122 put("-altwerase", ALTWERASE, 0); 123 put("-noflsh", NOFLSH, 0); 124 put("-tostop", TOSTOP, 0); 125 put("-flusho", FLUSHO, 0); 126 put("-pendin", PENDIN, 0); 127 put("-nokerninfo", NOKERNINFO, 0); 128 put("-extproc", EXTPROC, 0); 129 130 /* input flags */ 131 tmp = tp->c_iflag; 132 binit("iflags"); 133 put("-istrip", ISTRIP, 0); 134 put("-icrnl", ICRNL, 1); 135 put("-inlcr", INLCR, 0); 136 put("-igncr", IGNCR, 0); 137 put("-ixon", IXON, 1); 138 put("-ixoff", IXOFF, 0); 139 put("-ixany", IXANY, 1); 140 put("-imaxbel", IMAXBEL, 1); 141 put("-ignbrk", IGNBRK, 0); 142 put("-brkint", BRKINT, 1); 143 put("-inpck", INPCK, 0); 144 put("-ignpar", IGNPAR, 0); 145 put("-parmrk", PARMRK, 0); 146 147 /* output flags */ 148 tmp = tp->c_oflag; 149 binit("oflags"); 150 put("-opost", OPOST, 1); 151 put("-onlcr", ONLCR, 1); 152 put("-ocrnl", OCRNL, 0); 153 put("-oxtabs", OXTABS, 1); 154 155 /* control flags (hardware state) */ 156 tmp = tp->c_cflag; 157 binit("cflags"); 158 put("-cread", CREAD, 1); 159 switch(tmp&CSIZE) { 160 case CS5: 161 bput("cs5"); 162 break; 163 case CS6: 164 bput("cs6"); 165 break; 166 case CS7: 167 bput("cs7"); 168 break; 169 case CS8: 170 bput("cs8"); 171 break; 172 } 173 bput("-parenb" + on(PARENB)); 174 put("-parodd", PARODD, 0); 175 put("-hupcl", HUPCL, 1); 176 put("-clocal", CLOCAL, 0); 177 put("-cstopb", CSTOPB, 0); 178 put("-crtscts", CRTSCTS, 0); 179 put("-mdmbuf", MDMBUF, 0); 180 put("-cdtrcts", CDTRCTS, 0); 181 182 /* special control characters */ 183 cc = tp->c_cc; 184 if (fmt == POSIX) { 185 binit("cchars"); 186 for (p = cchars1; p->name; ++p) { 187 (void)snprintf(buf1, sizeof(buf1), "%s = %s;", 188 p->name, ccval(p, cc[p->sub])); 189 bput(buf1); 190 } 191 binit(NULL); 192 } else { 193 binit(NULL); 194 for (p = cchars1, cnt = 0; p->name; ++p) { 195 if (fmt != BSD && cc[p->sub] == p->def) 196 continue; 197 #define WD "%-8s" 198 (void)sprintf(buf1 + cnt * 8, WD, p->name); 199 (void)sprintf(buf2 + cnt * 8, WD, ccval(p, cc[p->sub])); 200 if (++cnt == LINELENGTH / 8) { 201 cnt = 0; 202 (void)printf("%s\n", buf1); 203 (void)printf("%s\n", buf2); 204 } 205 } 206 if (cnt) { 207 (void)printf("%s\n", buf1); 208 (void)printf("%s\n", buf2); 209 } 210 } 211 } 212 213 static int col; 214 static char *label; 215 216 static void 217 binit(lb) 218 char *lb; 219 { 220 221 if (col) { 222 (void)printf("\n"); 223 col = 0; 224 } 225 label = lb; 226 } 227 228 static void 229 bput(s) 230 char *s; 231 { 232 233 if (col == 0) { 234 col = printf("%s: %s", label, s); 235 return; 236 } 237 if ((col + strlen(s)) > LINELENGTH) { 238 (void)printf("\n\t"); 239 col = printf("%s", s) + 8; 240 return; 241 } 242 col += printf(" %s", s); 243 } 244 245 static char * 246 ccval(p, c) 247 const struct cchar *p; 248 int c; 249 { 250 static char buf[5]; 251 char *bp; 252 253 if (c == _POSIX_VDISABLE) 254 return ("<undef>"); 255 256 if (p->sub == VMIN || p->sub == VTIME) { 257 (void)snprintf(buf, sizeof(buf), "%d", c); 258 return (buf); 259 } 260 bp = buf; 261 if (c & 0200) { 262 *bp++ = 'M'; 263 *bp++ = '-'; 264 c &= 0177; 265 } 266 if (c == 0177) { 267 *bp++ = '^'; 268 *bp++ = '?'; 269 } 270 else if (c < 040) { 271 *bp++ = '^'; 272 *bp++ = c + '@'; 273 } 274 else 275 *bp++ = c; 276 *bp = '\0'; 277 return (buf); 278 } 279
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