1 /* $NetBSD: print.c,v 1.23 2013/09/12 19:47:23 christos 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. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 #ifndef lint 34 #if 0 35 static char sccsid[] = "@(#)print.c 8.6 (Berkeley) 4/16/94"; 36 #else 37 __RCSID("$NetBSD: print.c,v 1.23 2013/09/12 19:47:23 christos Exp $"); 38 #endif 39 #endif /* not lint */ 40 41 #include <sys/types.h> 42 43 #include <stddef.h> 44 #include <stdio.h> 45 #include <string.h> 46 47 #include "stty.h" 48 #include "extern.h" 49 50 static void binit(const char *); 51 static void bput(const char *); 52 static const char *ccval(const struct cchar *, int); 53 54 void 55 print(struct termios *tp, struct winsize *wp, int queue, const char *ldisc, 56 enum FMT fmt) 57 { 58 const 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 speed. */ 67 ispeed = cfgetispeed(tp); 68 ospeed = cfgetospeed(tp); 69 if (ispeed != ospeed) 70 cnt += 71 printf("ispeed %d baud; ospeed %d baud;", ispeed, ospeed); 72 else 73 cnt += printf("speed %d baud;", ispeed); 74 if (fmt >= STTY_BSD) { 75 cnt += printf(" %d rows; %d columns;", wp->ws_row, wp->ws_col); 76 if (queue) 77 cnt += printf(" queue = %d;", queue); 78 if (ldisc) 79 cnt += printf(" line = %s;", ldisc); 80 } 81 82 if (cnt) 83 (void)printf("\n"); 84 85 #define on(f) ((tmp&f) != 0) 86 #define put(n, f, d) \ 87 if (fmt >= STTY_BSD || on(f) != d) \ 88 bput(n + on(f)); 89 90 /* "local" flags */ 91 tmp = tp->c_lflag; 92 binit("lflags"); 93 put("-icanon", ICANON, 1); 94 put("-isig", ISIG, 1); 95 put("-iexten", IEXTEN, 1); 96 put("-echo", ECHO, 1); 97 put("-echoe", ECHOE, 0); 98 put("-echok", ECHOK, 0); 99 put("-echoke", ECHOKE, 0); 100 put("-echonl", ECHONL, 0); 101 put("-echoctl", ECHOCTL, 0); 102 put("-echoprt", ECHOPRT, 0); 103 put("-altwerase", ALTWERASE, 0); 104 put("-noflsh", NOFLSH, 0); 105 put("-tostop", TOSTOP, 0); 106 put("-flusho", FLUSHO, 0); 107 put("-pendin", PENDIN, 0); 108 put("-nokerninfo", NOKERNINFO, 0); 109 put("-extproc", EXTPROC, 0); 110 111 /* input flags */ 112 tmp = tp->c_iflag; 113 binit("iflags"); 114 put("-istrip", ISTRIP, 0); 115 put("-icrnl", ICRNL, 1); 116 put("-inlcr", INLCR, 0); 117 put("-igncr", IGNCR, 0); 118 put("-ixon", IXON, 1); 119 put("-ixoff", IXOFF, 0); 120 put("-ixany", IXANY, 1); 121 put("-imaxbel", IMAXBEL, 1); 122 put("-ignbrk", IGNBRK, 0); 123 put("-brkint", BRKINT, 1); 124 put("-inpck", INPCK, 0); 125 put("-ignpar", IGNPAR, 0); 126 put("-parmrk", PARMRK, 0); 127 128 /* output flags */ 129 tmp = tp->c_oflag; 130 binit("oflags"); 131 put("-opost", OPOST, 1); 132 put("-onlcr", ONLCR, 1); 133 put("-ocrnl", OCRNL, 0); 134 put("-oxtabs", OXTABS, 1); 135 put("-onocr", OXTABS, 0); 136 put("-onlret", OXTABS, 0); 137 138 /* control flags (hardware state) */ 139 tmp = tp->c_cflag; 140 binit("cflags"); 141 put("-cread", CREAD, 1); 142 switch(tmp&CSIZE) { 143 case CS5: 144 bput("cs5"); 145 break; 146 case CS6: 147 bput("cs6"); 148 break; 149 case CS7: 150 bput("cs7"); 151 break; 152 case CS8: 153 bput("cs8"); 154 break; 155 } 156 bput("-parenb" + on(PARENB)); 157 put("-parodd", PARODD, 0); 158 put("-hupcl", HUPCL, 1); 159 put("-clocal", CLOCAL, 0); 160 put("-cstopb", CSTOPB, 0); 161 put("-crtscts", CRTSCTS, 0); 162 put("-mdmbuf", MDMBUF, 0); 163 put("-cdtrcts", CDTRCTS, 0); 164 165 /* special control characters */ 166 cc = tp->c_cc; 167 if (fmt == STTY_POSIX) { 168 binit("cchars"); 169 for (p = cchars1; p->name; ++p) { 170 (void)snprintf(buf1, sizeof(buf1), "%s = %s;", 171 p->name, ccval(p, cc[p->sub])); 172 bput(buf1); 173 } 174 binit(NULL); 175 } else { 176 binit(NULL); 177 for (p = cchars1, cnt = 0; p->name; ++p) { 178 if (fmt != STTY_BSD && cc[p->sub] == p->def) 179 continue; 180 #define WD "%-8s" 181 (void)snprintf(buf1 + cnt * 8, 9, WD, p->name); 182 (void)snprintf(buf2 + cnt * 8, 9, WD, ccval(p, cc[p->sub])); 183 if (++cnt == LINELENGTH / 8) { 184 cnt = 0; 185 (void)printf("%s\n", buf1); 186 (void)printf("%s\n", buf2); 187 } 188 } 189 if (cnt) { 190 (void)printf("%s\n", buf1); 191 (void)printf("%s\n", buf2); 192 } 193 } 194 } 195 196 static int col; 197 static const char *label; 198 199 static void 200 binit(const char *lb) 201 { 202 203 if (col) { 204 (void)printf("\n"); 205 col = 0; 206 } 207 label = lb; 208 } 209 210 static void 211 bput(const char *s) 212 { 213 214 if (col == 0) { 215 col = printf("%s: %s", label, s); 216 return; 217 } 218 if ((col + strlen(s)) > LINELENGTH) { 219 (void)printf("\n\t"); 220 col = printf("%s", s) + 8; 221 return; 222 } 223 col += printf(" %s", s); 224 } 225 226 static const char * 227 ccval(const struct cchar *p, int c) 228 { 229 static char buf[5]; 230 char *bp; 231 232 if (c == _POSIX_VDISABLE) 233 return ("<undef>"); 234 235 if (p->sub == VMIN || p->sub == VTIME) { 236 (void)snprintf(buf, sizeof(buf), "%d", c); 237 return (buf); 238 } 239 bp = buf; 240 if (c & 0200) { 241 *bp++ = 'M'; 242 *bp++ = '-'; 243 c &= 0177; 244 } 245 if (c == 0177) { 246 *bp++ = '^'; 247 *bp++ = '?'; 248 } 249 else if (c < 040) { 250 *bp++ = '^'; 251 *bp++ = c + '@'; 252 } 253 else 254 *bp++ = c; 255 *bp = '\0'; 256 return (buf); 257 } 258
Indexes created Thu Oct 02 07:10:07 GMT 2025