print.c revision 1.8
1 /*- 2 * Copyright (c) 1991 The Regents of the University of California. 3 * 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 5.4 (Berkeley) 6/10/91";*/ 36 static char rcsid[] = "$Id: print.c,v 1.8 1994/04/12 06:08:51 cgd Exp $"; 37 #endif /* not lint */ 38 39 #include <sys/types.h> 40 #include <stddef.h> 41 #include <stdio.h> 42 #include <string.h> 43 #include "stty.h" 44 #include "extern.h" 45 46 static void binit __P((char *)); 47 static void bput __P((char *)); 48 static char *ccval __P((struct cchar *, int)); 49 50 void 51 print(tp, wp, ldisc, fmt) 52 struct termios *tp; 53 struct winsize *wp; 54 int ldisc; 55 enum FMT fmt; 56 { 57 register struct cchar *p; 58 register long tmp; 59 register int cnt; 60 register u_char *cc; 61 int 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 case PPPDISC: 76 cnt += printf("ppp disc; "); 77 break; 78 default: 79 cnt += printf("#%d disc; ", ldisc); 80 break; 81 } 82 } 83 84 /* Line speed. */ 85 ispeed = cfgetispeed(tp); 86 ospeed = cfgetospeed(tp); 87 if (ispeed != ospeed) 88 cnt += 89 printf("ispeed %d baud; ospeed %d baud;", ispeed, ospeed); 90 else 91 cnt += printf("speed %d baud;", ispeed); 92 if (fmt >= BSD) 93 cnt += printf(" %d rows; %d columns;", wp->ws_row, wp->ws_col); 94 if (cnt) 95 (void)printf("\n"); 96 97 #define on(f) ((tmp&f) != 0) 98 #define put(n, f, d) \ 99 if (fmt >= BSD || on(f) != d) \ 100 bput(n + on(f)); 101 102 /* "local" flags */ 103 tmp = tp->c_lflag; 104 binit("lflags"); 105 put("-icanon", ICANON, 1); 106 put("-isig", ISIG, 1); 107 put("-iexten", IEXTEN, 1); 108 put("-echo", ECHO, 1); 109 put("-echoe", ECHOE, 0); 110 put("-echok", ECHOK, 0); 111 put("-echoke", ECHOKE, 0); 112 put("-echonl", ECHONL, 0); 113 put("-echoctl", ECHOCTL, 0); 114 put("-echoprt", ECHOPRT, 0); 115 put("-altwerase", ALTWERASE, 0); 116 put("-noflsh", NOFLSH, 0); 117 put("-tostop", TOSTOP, 0); 118 put("-flusho", FLUSHO, 0); 119 put("-pendin", PENDIN, 0); 120 put("-nokerninfo", NOKERNINFO, 0); 121 put("-extproc", EXTPROC, 0); 122 123 /* input flags */ 124 tmp = tp->c_iflag; 125 binit("iflags"); 126 put("-istrip", ISTRIP, 0); 127 put("-icrnl", ICRNL, 1); 128 put("-inlcr", INLCR, 0); 129 put("-igncr", IGNCR, 0); 130 put("-ixon", IXON, 1); 131 put("-ixoff", IXOFF, 0); 132 put("-ixany", IXANY, 1); 133 put("-imaxbel", IMAXBEL, 1); 134 put("-ignbrk", IGNBRK, 0); 135 put("-brkint", BRKINT, 1); 136 put("-inpck", INPCK, 0); 137 put("-ignpar", IGNPAR, 0); 138 put("-parmrk", PARMRK, 0); 139 140 /* output flags */ 141 tmp = tp->c_oflag; 142 binit("oflags"); 143 put("-opost", OPOST, 1); 144 put("-onlcr", ONLCR, 1); 145 put("-oxtabs", OXTABS, 1); 146 147 /* control flags (hardware state) */ 148 tmp = tp->c_cflag; 149 binit("cflags"); 150 put("-cread", CREAD, 1); 151 switch(tmp&CSIZE) { 152 case CS5: 153 bput("cs5"); 154 break; 155 case CS6: 156 bput("cs6"); 157 break; 158 case CS7: 159 bput("cs7"); 160 break; 161 case CS8: 162 bput("cs8"); 163 break; 164 } 165 bput("-parenb" + on(PARENB)); 166 put("-parodd", PARODD, 0); 167 put("-hupcl", HUPCL, 1); 168 put("-clocal", CLOCAL, 0); 169 put("-cstopb", CSTOPB, 0); 170 put("-crtscts", CRTSCTS, 0); 171 put("-mdmbuf", MDMBUF, 0); 172 173 /* special control characters */ 174 cc = tp->c_cc; 175 if (fmt == POSIX) { 176 binit("cchars"); 177 for (p = cchars1; p->name; ++p) { 178 (void)snprintf(buf1, sizeof(buf1), "%s = %s;", 179 p->name, ccval(p, cc[p->sub])); 180 bput(buf1); 181 } 182 binit(NULL); 183 } else { 184 binit(NULL); 185 for (p = cchars1, cnt = 0; p->name; ++p) { 186 if (fmt != BSD && cc[p->sub] == p->def) 187 continue; 188 #define WD "%-8s" 189 (void)sprintf(buf1 + cnt * 8, WD, p->name); 190 (void)sprintf(buf2 + cnt * 8, WD, ccval(p, cc[p->sub])); 191 if (++cnt == LINELENGTH / 8) { 192 cnt = 0; 193 (void)printf("%s\n", buf1); 194 (void)printf("%s\n", buf2); 195 } 196 } 197 if (cnt) { 198 (void)printf("%s\n", buf1); 199 (void)printf("%s\n", buf2); 200 } 201 } 202 } 203 204 static int col; 205 static char *label; 206 207 static void 208 binit(lb) 209 char *lb; 210 { 211 if (col) { 212 (void)printf("\n"); 213 col = 0; 214 } 215 label = lb; 216 } 217 218 static void 219 bput(s) 220 char *s; 221 { 222 if (col == 0) { 223 col = printf("%s: %s", label, s); 224 return; 225 } 226 if ((col + strlen(s)) > LINELENGTH) { 227 (void)printf("\n\t"); 228 col = printf("%s", s) + 8; 229 return; 230 } 231 col += printf(" %s", s); 232 } 233 234 static char * 235 ccval(p, c) 236 struct cchar *p; 237 int c; 238 { 239 static char buf[5]; 240 char *bp; 241 242 if (c == _POSIX_VDISABLE) 243 return("<undef>"); 244 245 if (p->sub == VMIN || p->sub == VTIME) { 246 (void)snprintf(buf, sizeof(buf), "%d", c); 247 return (buf); 248 } 249 bp = buf; 250 if (c & 0200) { 251 *bp++ = 'M'; 252 *bp++ = '-'; 253 c &= 0177; 254 } 255 if (c == 0177) { 256 *bp++ = '^'; 257 *bp++ = '?'; 258 } 259 else if (c < 040) { 260 *bp++ = '^'; 261 *bp++ = c + '@'; 262 } 263 else 264 *bp++ = c; 265 *bp = '\0'; 266 return(buf); 267 } 268
Indexes created Thu Oct 02 14:10:14 GMT 2025