print.c revision 1.5
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 1.5 1993/08/01 18:57:37 mycroft 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((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 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("-mdmbuf", MDMBUF, 0); 116 put("-flusho", FLUSHO, 0); 117 put("-pendin", PENDIN, 0); 118 put("-nokerninfo", NOKERNINFO, 0); 119 put("-extproc", EXTPROC, 0); 120 121 /* input flags */ 122 tmp = tp->c_iflag; 123 binit("iflags"); 124 put("-istrip", ISTRIP, 0); 125 put("-icrnl", ICRNL, 1); 126 put("-inlcr", INLCR, 0); 127 put("-igncr", IGNCR, 0); 128 put("-ixon", IXON, 1); 129 put("-ixoff", IXOFF, 0); 130 put("-ixany", IXANY, 1); 131 put("-imaxbel", IMAXBEL, 1); 132 put("-ignbrk", IGNBRK, 0); 133 put("-brkint", BRKINT, 1); 134 put("-inpck", INPCK, 0); 135 put("-ignpar", IGNPAR, 0); 136 put("-parmrk", PARMRK, 0); 137 138 /* output flags */ 139 tmp = tp->c_oflag; 140 binit("oflags"); 141 put("-opost", OPOST, 1); 142 put("-onlcr", ONLCR, 1); 143 put("-oxtabs", OXTABS, 1); 144 145 /* control flags (hardware state) */ 146 tmp = tp->c_cflag; 147 binit("cflags"); 148 put("-cread", CREAD, 1); 149 switch(tmp&CSIZE) { 150 case CS5: 151 bput("cs5"); 152 break; 153 case CS6: 154 bput("cs6"); 155 break; 156 case CS7: 157 bput("cs7"); 158 break; 159 case CS8: 160 bput("cs8"); 161 break; 162 } 163 bput("-parenb" + on(PARENB)); 164 put("-parodd", PARODD, 0); 165 put("-hupcl", HUPCL, 1); 166 put("-clocal", CLOCAL, 0); 167 put("-cstopb", CSTOPB, 0); 168 put("-crtscts", CRTSCTS, 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(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(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 } 200 201 static int col; 202 static char *label; 203 204 static void 205 binit(lb) 206 char *lb; 207 { 208 if (col) { 209 (void)printf("\n"); 210 col = 0; 211 } 212 label = lb; 213 } 214 215 static void 216 bput(s) 217 char *s; 218 { 219 if (col == 0) { 220 col = printf("%s: %s", label, s); 221 return; 222 } 223 if ((col + strlen(s)) > LINELENGTH) { 224 (void)printf("\n\t"); 225 col = printf("%s", s) + 8; 226 return; 227 } 228 col += printf(" %s", s); 229 } 230 231 static char * 232 ccval(c) 233 int c; 234 { 235 static char buf[5]; 236 char *bp; 237 238 if (c == _POSIX_VDISABLE) 239 return("<undef>"); 240 241 bp = buf; 242 if (c & 0200) { 243 *bp++ = 'M'; 244 *bp++ = '-'; 245 c &= 0177; 246 } 247 if (c == 0177) { 248 *bp++ = '^'; 249 *bp++ = '?'; 250 } 251 else if (c < 040) { 252 *bp++ = '^'; 253 *bp++ = c + '@'; 254 } 255 else 256 *bp++ = c; 257 *bp = '\0'; 258 return(buf); 259 } 260
Indexes created Thu Oct 02 14:10:14 GMT 2025