print.c revision 1556
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 35static char sccsid[] = "@(#)print.c 8.6 (Berkeley) 4/16/94"; 36#endif /* not lint */ 37 38#include <sys/types.h> 39 40#include <stddef.h> 41#include <stdio.h> 42#include <string.h> 43 44#include "stty.h" 45#include "extern.h" 46 47static void binit __P((char *)); 48static void bput __P((char *)); 49static char *ccval __P((struct cchar *, int)); 50 51void 52print(tp, wp, ldisc, fmt) 53 struct termios *tp; 54 struct winsize *wp; 55 int ldisc; 56 enum FMT fmt; 57{ 58 struct cchar *p; 59 long tmp; 60 u_char *cc; 61 int cnt, ispeed, ospeed; 62 char buf1[100], buf2[100]; 63 64 cnt = 0; 65 66 /* Line discipline. */ 67 if (ldisc != TTYDISC) { 68 switch(ldisc) { 69 case TABLDISC: 70 cnt += printf("tablet disc; "); 71 break; 72 case SLIPDISC: 73 cnt += printf("slip disc; "); 74 break; 75 default: 76 cnt += printf("#%d disc; ", ldisc); 77 break; 78 } 79 } 80 81 /* Line speed. */ 82 ispeed = cfgetispeed(tp); 83 ospeed = cfgetospeed(tp); 84 if (ispeed != ospeed) 85 cnt += 86 printf("ispeed %d baud; ospeed %d baud;", ispeed, ospeed); 87 else 88 cnt += printf("speed %d baud;", ispeed); 89 if (fmt >= BSD) 90 cnt += printf(" %d rows; %d columns;", wp->ws_row, wp->ws_col); 91 if (cnt) 92 (void)printf("\n"); 93 94#define on(f) ((tmp&f) != 0) 95#define put(n, f, d) \ 96 if (fmt >= BSD || on(f) != d) \ 97 bput(n + on(f)); 98 99 /* "local" flags */ 100 tmp = tp->c_lflag; 101 binit("lflags"); 102 put("-icanon", ICANON, 1); 103 put("-isig", ISIG, 1); 104 put("-iexten", IEXTEN, 1); 105 put("-echo", ECHO, 1); 106 put("-echoe", ECHOE, 0); 107 put("-echok", ECHOK, 0); 108 put("-echoke", ECHOKE, 0); 109 put("-echonl", ECHONL, 0); 110 put("-echoctl", ECHOCTL, 0); 111 put("-echoprt", ECHOPRT, 0); 112 put("-altwerase", ALTWERASE, 0); 113 put("-noflsh", NOFLSH, 0); 114 put("-tostop", TOSTOP, 0); 115 put("-flusho", FLUSHO, 0); 116 put("-pendin", PENDIN, 0); 117 put("-nokerninfo", NOKERNINFO, 0); 118 put("-extproc", EXTPROC, 0); 119 120 /* input flags */ 121 tmp = tp->c_iflag; 122 binit("iflags"); 123 put("-istrip", ISTRIP, 0); 124 put("-icrnl", ICRNL, 1); 125 put("-inlcr", INLCR, 0); 126 put("-igncr", IGNCR, 0); 127 put("-ixon", IXON, 1); 128 put("-ixoff", IXOFF, 0); 129 put("-ixany", IXANY, 1); 130 put("-imaxbel", IMAXBEL, 1); 131 put("-ignbrk", IGNBRK, 0); 132 put("-brkint", BRKINT, 1); 133 put("-inpck", INPCK, 0); 134 put("-ignpar", IGNPAR, 0); 135 put("-parmrk", PARMRK, 0); 136 137 /* output flags */ 138 tmp = tp->c_oflag; 139 binit("oflags"); 140 put("-opost", OPOST, 1); 141 put("-onlcr", ONLCR, 1); 142 put("-oxtabs", OXTABS, 1); 143 144 /* control flags (hardware state) */ 145 tmp = tp->c_cflag; 146 binit("cflags"); 147 put("-cread", CREAD, 1); 148 switch(tmp&CSIZE) { 149 case CS5: 150 bput("cs5"); 151 break; 152 case CS6: 153 bput("cs6"); 154 break; 155 case CS7: 156 bput("cs7"); 157 break; 158 case CS8: 159 bput("cs8"); 160 break; 161 } 162 bput("-parenb" + on(PARENB)); 163 put("-parodd", PARODD, 0); 164 put("-hupcl", HUPCL, 1); 165 put("-clocal", CLOCAL, 0); 166 put("-cstopb", CSTOPB, 0); 167 put("-crtscts", CRTSCTS, 0); 168 put("-mdmbuf", MDMBUF, 0); 169 170 /* special control characters */ 171 cc = tp->c_cc; 172 if (fmt == POSIX) { 173 binit("cchars"); 174 for (p = cchars1; p->name; ++p) { 175 (void)snprintf(buf1, sizeof(buf1), "%s = %s;", 176 p->name, ccval(p, cc[p->sub])); 177 bput(buf1); 178 } 179 binit(NULL); 180 } else { 181 binit(NULL); 182 for (p = cchars1, cnt = 0; p->name; ++p) { 183 if (fmt != BSD && cc[p->sub] == p->def) 184 continue; 185#define WD "%-8s" 186 (void)sprintf(buf1 + cnt * 8, WD, p->name); 187 (void)sprintf(buf2 + cnt * 8, WD, ccval(p, cc[p->sub])); 188 if (++cnt == LINELENGTH / 8) { 189 cnt = 0; 190 (void)printf("%s\n", buf1); 191 (void)printf("%s\n", buf2); 192 } 193 } 194 if (cnt) { 195 (void)printf("%s\n", buf1); 196 (void)printf("%s\n", buf2); 197 } 198 } 199} 200 201static int col; 202static char *label; 203 204static void 205binit(lb) 206 char *lb; 207{ 208 209 if (col) { 210 (void)printf("\n"); 211 col = 0; 212 } 213 label = lb; 214} 215 216static void 217bput(s) 218 char *s; 219{ 220 221 if (col == 0) { 222 col = printf("%s: %s", label, s); 223 return; 224 } 225 if ((col + strlen(s)) > LINELENGTH) { 226 (void)printf("\n\t"); 227 col = printf("%s", s) + 8; 228 return; 229 } 230 col += printf(" %s", s); 231} 232 233static char * 234ccval(p, c) 235 struct cchar *p; 236 int c; 237{ 238 static char buf[5]; 239 char *bp; 240 241 if (c == _POSIX_VDISABLE) 242 return ("<undef>"); 243 244 if (p->sub == VMIN || p->sub == VTIME) { 245 (void)snprintf(buf, sizeof(buf), "%d", c); 246 return (buf); 247 } 248 bp = buf; 249 if (c & 0200) { 250 *bp++ = 'M'; 251 *bp++ = '-'; 252 c &= 0177; 253 } 254 if (c == 0177) { 255 *bp++ = '^'; 256 *bp++ = '?'; 257 } 258 else if (c < 040) { 259 *bp++ = '^'; 260 *bp++ = c + '@'; 261 } 262 else 263 *bp++ = c; 264 *bp = '\0'; 265 return (buf); 266} 267