print.c revision 1.20
1 /* $NetBSD: print.c,v 1.20 2003/06/16 17:22:02 perry 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 1.20 2003/06/16 17:22:02 perry 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(const char *); 55 static void bput(const char *); 56 static char *ccval(const struct cchar *, int); 57 58 void 59 print(struct termios *tp, struct winsize *wp, int ldisc, enum FMT fmt) 60 { 61 const struct cchar *p; 62 long tmp; 63 u_char *cc; 64 int cnt, ispeed, ospeed; 65 char buf1[100], buf2[100]; 66 67 cnt = 0; 68 69 /* Line discipline. */ 70 #ifdef TTYDISC 71 if (ldisc != TTYDISC) { 72 switch(ldisc) { 73 case TABLDISC: 74 cnt += printf("tablet disc; "); 75 break; 76 case SLIPDISC: 77 cnt += printf("slip disc; "); 78 break; 79 case PPPDISC: 80 cnt += printf("ppp disc; "); 81 break; 82 case STRIPDISC: 83 cnt += printf("strip disc; "); 84 break; 85 default: 86 cnt += printf("#%d disc; ", ldisc); 87 break; 88 } 89 } 90 #endif 91 92 /* Line speed. */ 93 ispeed = cfgetispeed(tp); 94 ospeed = cfgetospeed(tp); 95 if (ispeed != ospeed) 96 cnt += 97 printf("ispeed %d baud; ospeed %d baud;", ispeed, ospeed); 98 else 99 cnt += printf("speed %d baud;", ispeed); 100 if (fmt >= STTY_BSD) 101 cnt += printf(" %d rows; %d columns;", wp->ws_row, wp->ws_col); 102 if (cnt) 103 (void)printf("\n"); 104 105 #define on(f) ((tmp&f) != 0) 106 #define put(n, f, d) \ 107 if (fmt >= STTY_BSD || on(f) != d) \ 108 bput(n + on(f)); 109 110 /* "local" flags */ 111 tmp = tp->c_lflag; 112 binit("lflags"); 113 put("-icanon", ICANON, 1); 114 put("-isig", ISIG, 1); 115 put("-iexten", IEXTEN, 1); 116 put("-echo", ECHO, 1); 117 put("-echoe", ECHOE, 0); 118 put("-echok", ECHOK, 0); 119 put("-echoke", ECHOKE, 0); 120 put("-echonl", ECHONL, 0); 121 put("-echoctl", ECHOCTL, 0); 122 put("-echoprt", ECHOPRT, 0); 123 put("-altwerase", ALTWERASE, 0); 124 put("-noflsh", NOFLSH, 0); 125 put("-tostop", TOSTOP, 0); 126 put("-flusho", FLUSHO, 0); 127 put("-pendin", PENDIN, 0); 128 put("-nokerninfo", NOKERNINFO, 0); 129 put("-extproc", EXTPROC, 0); 130 131 /* input flags */ 132 tmp = tp->c_iflag; 133 binit("iflags"); 134 put("-istrip", ISTRIP, 0); 135 put("-icrnl", ICRNL, 1); 136 put("-inlcr", INLCR, 0); 137 put("-igncr", IGNCR, 0); 138 put("-ixon", IXON, 1); 139 put("-ixoff", IXOFF, 0); 140 put("-ixany", IXANY, 1); 141 put("-imaxbel", IMAXBEL, 1); 142 put("-ignbrk", IGNBRK, 0); 143 put("-brkint", BRKINT, 1); 144 put("-inpck", INPCK, 0); 145 put("-ignpar", IGNPAR, 0); 146 put("-parmrk", PARMRK, 0); 147 148 /* output flags */ 149 tmp = tp->c_oflag; 150 binit("oflags"); 151 put("-opost", OPOST, 1); 152 put("-onlcr", ONLCR, 1); 153 put("-ocrnl", OCRNL, 0); 154 put("-oxtabs", OXTABS, 1); 155 put("-onocr", OXTABS, 0); 156 put("-onlret", OXTABS, 0); 157 158 /* control flags (hardware state) */ 159 tmp = tp->c_cflag; 160 binit("cflags"); 161 put("-cread", CREAD, 1); 162 switch(tmp&CSIZE) { 163 case CS5: 164 bput("cs5"); 165 break; 166 case CS6: 167 bput("cs6"); 168 break; 169 case CS7: 170 bput("cs7"); 171 break; 172 case CS8: 173 bput("cs8"); 174 break; 175 } 176 bput("-parenb" + on(PARENB)); 177 put("-parodd", PARODD, 0); 178 put("-hupcl", HUPCL, 1); 179 put("-clocal", CLOCAL, 0); 180 put("-cstopb", CSTOPB, 0); 181 put("-crtscts", CRTSCTS, 0); 182 put("-mdmbuf", MDMBUF, 0); 183 put("-cdtrcts", CDTRCTS, 0); 184 185 /* special control characters */ 186 cc = tp->c_cc; 187 if (fmt == STTY_POSIX) { 188 binit("cchars"); 189 for (p = cchars1; p->name; ++p) { 190 (void)snprintf(buf1, sizeof(buf1), "%s = %s;", 191 p->name, ccval(p, cc[p->sub])); 192 bput(buf1); 193 } 194 binit(NULL); 195 } else { 196 binit(NULL); 197 for (p = cchars1, cnt = 0; p->name; ++p) { 198 if (fmt != STTY_BSD && cc[p->sub] == p->def) 199 continue; 200 #define WD "%-8s" 201 (void)snprintf(buf1 + cnt * 8, 9, WD, p->name); 202 (void)snprintf(buf2 + cnt * 8, 9, WD, ccval(p, cc[p->sub])); 203 if (++cnt == LINELENGTH / 8) { 204 cnt = 0; 205 (void)printf("%s\n", buf1); 206 (void)printf("%s\n", buf2); 207 } 208 } 209 if (cnt) { 210 (void)printf("%s\n", buf1); 211 (void)printf("%s\n", buf2); 212 } 213 } 214 } 215 216 static int col; 217 static const char *label; 218 219 static void 220 binit(const char *lb) 221 { 222 223 if (col) { 224 (void)printf("\n"); 225 col = 0; 226 } 227 label = lb; 228 } 229 230 static void 231 bput(const char *s) 232 { 233 234 if (col == 0) { 235 col = printf("%s: %s", label, s); 236 return; 237 } 238 if ((col + strlen(s)) > LINELENGTH) { 239 (void)printf("\n\t"); 240 col = printf("%s", s) + 8; 241 return; 242 } 243 col += printf(" %s", s); 244 } 245 246 static char * 247 ccval(const struct cchar *p, int c) 248 { 249 static char buf[5]; 250 char *bp; 251 252 if (c == _POSIX_VDISABLE) 253 return ("<undef>"); 254 255 if (p->sub == VMIN || p->sub == VTIME) { 256 (void)snprintf(buf, sizeof(buf), "%d", c); 257 return (buf); 258 } 259 bp = buf; 260 if (c & 0200) { 261 *bp++ = 'M'; 262 *bp++ = '-'; 263 c &= 0177; 264 } 265 if (c == 0177) { 266 *bp++ = '^'; 267 *bp++ = '?'; 268 } 269 else if (c < 040) { 270 *bp++ = '^'; 271 *bp++ = c + '@'; 272 } 273 else 274 *bp++ = c; 275 *bp = '\0'; 276 return (buf); 277 } 278
Indexes created Thu Oct 02 14:10:14 GMT 2025