1 /* 2 * Copyright (c) 1983, 1993 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 35 #if 0 36 static char sccsid[] = "@(#)from: subr.c 8.1 (Berkeley) 6/4/93"; 37 #endif 38 static const char rcsid[] = 39 "$FreeBSD$"; 40 #endif /* not lint */ 41 42 /* 43 * Melbourne getty. 44 */ 45 #define COMPAT_43 46 #ifdef DEBUG 47 #include <stdio.h> 48 #endif 49 #include <stdlib.h> 50 #include <string.h> 51 #include <termios.h> 52 #include <unistd.h> 53 #include <sys/ioctl.h> 54 #include <sys/param.h> 55 #include <sys/time.h> 56 #include <syslog.h> 57 58 #include "gettytab.h" 59 #include "pathnames.h" 60 #include "extern.h" 61 62 63 #ifdef COMPAT_43 64 static void compatflags(long); 65 #endif 66 67 /* 68 * Get a table entry. 69 */ 70 void 71 gettable(const char *name, char *buf) 72 { 73 struct gettystrs *sp; 74 struct gettynums *np; 75 struct gettyflags *fp; 76 long n; 77 int l; 78 char *p; 79 char *msg = NULL; 80 const char *dba[2]; 81 82 static int firsttime = 1; 83 84 dba[0] = _PATH_GETTYTAB; 85 dba[1] = 0; 86 87 if (firsttime) { 88 /* 89 * we need to strdup() anything in the strings array 90 * initially in order to simplify things later 91 */ 92 for (sp = gettystrs; sp->field; sp++) 93 if (sp->value != NULL) { 94 /* handle these ones more carefully */ 95 if (sp >= &gettystrs[4] && sp <= &gettystrs[6]) 96 l = 2; 97 else 98 l = strlen(sp->value) + 1; 99 if ((p = malloc(l)) != NULL) { 100 strncpy(p, sp->value, l); 101 p[l-1] = '\0'; 102 } 103 /* 104 * replace, even if NULL, else we'll 105 * have problems with free()ing static mem 106 */ 107 sp->value = p; 108 } 109 firsttime = 0; 110 } 111 112 switch (cgetent(&buf, (char **)dba, (char *)name)) { 113 case 1: 114 msg = "%s: couldn't resolve 'tc=' in gettytab '%s'"; 115 case 0: 116 break; 117 case -1: 118 msg = "%s: unknown gettytab entry '%s'"; 119 break; 120 case -2: 121 msg = "%s: retrieving gettytab entry '%s': %m"; 122 break; 123 case -3: 124 msg = "%s: recursive 'tc=' reference gettytab entry '%s'"; 125 break; 126 default: 127 msg = "%s: unexpected cgetent() error for entry '%s'"; 128 break; 129 } 130 131 if (msg != NULL) { 132 syslog(LOG_ERR, msg, "getty", name); 133 return; 134 } 135 136 for (sp = gettystrs; sp->field; sp++) { 137 if ((l = cgetstr(buf, (char*)sp->field, &p)) >= 0) { 138 if (sp->value) { 139 /* prefer existing value */ 140 if (strcmp(p, sp->value) != 0) 141 free(sp->value); 142 else { 143 free(p); 144 p = sp->value; 145 } 146 } 147 sp->value = p; 148 } else if (l == -1) { 149 free(sp->value); 150 sp->value = NULL; 151 } 152 } 153 154 for (np = gettynums; np->field; np++) { 155 if (cgetnum(buf, (char*)np->field, &n) == -1) 156 np->set = 0; 157 else { 158 np->set = 1; 159 np->value = n; 160 } 161 } 162 163 for (fp = gettyflags; fp->field; fp++) { 164 if (cgetcap(buf, (char *)fp->field, ':') == NULL) 165 fp->set = 0; 166 else { 167 fp->set = 1; 168 fp->value = 1 ^ fp->invrt; 169 } 170 } 171 172 #ifdef DEBUG 173 printf("name=\"%s\", buf=\"%s\"\r\n", name, buf); 174 for (sp = gettystrs; sp->field; sp++) 175 printf("cgetstr: %s=%s\r\n", sp->field, sp->value); 176 for (np = gettynums; np->field; np++) 177 printf("cgetnum: %s=%d\r\n", np->field, np->value); 178 for (fp = gettyflags; fp->field; fp++) 179 printf("cgetflags: %s='%c' set='%c'\r\n", fp->field, 180 fp->value + '0', fp->set + '0'); 181 #endif /* DEBUG */ 182 } 183 184 void 185 gendefaults(void) 186 { 187 struct gettystrs *sp; 188 struct gettynums *np; 189 struct gettyflags *fp; 190 191 for (sp = gettystrs; sp->field; sp++) 192 if (sp->value) 193 sp->defalt = strdup(sp->value); 194 for (np = gettynums; np->field; np++) 195 if (np->set) 196 np->defalt = np->value; 197 for (fp = gettyflags; fp->field; fp++) 198 if (fp->set) 199 fp->defalt = fp->value; 200 else 201 fp->defalt = fp->invrt; 202 } 203 204 void 205 setdefaults(void) 206 { 207 struct gettystrs *sp; 208 struct gettynums *np; 209 struct gettyflags *fp; 210 211 for (sp = gettystrs; sp->field; sp++) 212 if (!sp->value) 213 sp->value = !sp->defalt ? sp->defalt 214 : strdup(sp->defalt); 215 for (np = gettynums; np->field; np++) 216 if (!np->set) 217 np->value = np->defalt; 218 for (fp = gettyflags; fp->field; fp++) 219 if (!fp->set) 220 fp->value = fp->defalt; 221 } 222 223 static char ** 224 charnames[] = { 225 &ER, &KL, &IN, &QU, &XN, &XF, &ET, &BK, 226 &SU, &DS, &RP, &FL, &WE, &LN, 0 227 }; 228 229 static char * 230 charvars[] = { 231 &tmode.c_cc[VERASE], &tmode.c_cc[VKILL], &tmode.c_cc[VINTR], 232 &tmode.c_cc[VQUIT], &tmode.c_cc[VSTART], &tmode.c_cc[VSTOP], 233 &tmode.c_cc[VEOF], &tmode.c_cc[VEOL], &tmode.c_cc[VSUSP], 234 &tmode.c_cc[VDSUSP], &tmode.c_cc[VREPRINT], &tmode.c_cc[VDISCARD], 235 &tmode.c_cc[VWERASE], &tmode.c_cc[VLNEXT], 0 236 }; 237 238 void 239 setchars(void) 240 { 241 int i; 242 const char *p; 243 244 for (i = 0; charnames[i]; i++) { 245 p = *charnames[i]; 246 if (p && *p) 247 *charvars[i] = *p; 248 else 249 *charvars[i] = _POSIX_VDISABLE; 250 } 251 } 252 253 /* Macros to clear/set/test flags. */ 254 #define SET(t, f) (t) |= (f) 255 #define CLR(t, f) (t) &= ~(f) 256 #define ISSET(t, f) ((t) & (f)) 257 258 void 259 set_flags(int n) 260 { 261 tcflag_t iflag, oflag, cflag, lflag; 262 263 #ifdef COMPAT_43 264 switch (n) { 265 case 0: 266 if (F0set) { 267 compatflags(F0); 268 return; 269 } 270 break; 271 case 1: 272 if (F1set) { 273 compatflags(F1); 274 return; 275 } 276 break; 277 default: 278 if (F2set) { 279 compatflags(F2); 280 return; 281 } 282 break; 283 } 284 #endif 285 286 switch (n) { 287 case 0: 288 if (C0set && I0set && L0set && O0set) { 289 tmode.c_cflag = C0; 290 tmode.c_iflag = I0; 291 tmode.c_lflag = L0; 292 tmode.c_oflag = O0; 293 return; 294 } 295 break; 296 case 1: 297 if (C1set && I1set && L1set && O1set) { 298 tmode.c_cflag = C1; 299 tmode.c_iflag = I1; 300 tmode.c_lflag = L1; 301 tmode.c_oflag = O1; 302 return; 303 } 304 break; 305 default: 306 if (C2set && I2set && L2set && O2set) { 307 tmode.c_cflag = C2; 308 tmode.c_iflag = I2; 309 tmode.c_lflag = L2; 310 tmode.c_oflag = O2; 311 return; 312 } 313 break; 314 } 315 316 iflag = omode.c_iflag; 317 oflag = omode.c_oflag; 318 cflag = omode.c_cflag; 319 lflag = omode.c_lflag; 320 321 if (NP) { 322 CLR(cflag, CSIZE|PARENB); 323 SET(cflag, CS8); 324 CLR(iflag, ISTRIP|INPCK|IGNPAR); 325 } else if (AP || EP || OP) { 326 CLR(cflag, CSIZE); 327 SET(cflag, CS7|PARENB); 328 SET(iflag, ISTRIP); 329 if (OP && !EP) { 330 SET(iflag, INPCK|IGNPAR); 331 SET(cflag, PARODD); 332 if (AP) 333 CLR(iflag, INPCK); 334 } else if (EP && !OP) { 335 SET(iflag, INPCK|IGNPAR); 336 CLR(cflag, PARODD); 337 if (AP) 338 CLR(iflag, INPCK); 339 } else if (AP || (EP && OP)) { 340 CLR(iflag, INPCK|IGNPAR); 341 CLR(cflag, PARODD); 342 } 343 } /* else, leave as is */ 344 345 #if 0 346 if (UC) 347 f |= LCASE; 348 #endif 349 350 if (HC) 351 SET(cflag, HUPCL); 352 else 353 CLR(cflag, HUPCL); 354 355 if (MB) 356 SET(cflag, MDMBUF); 357 else 358 CLR(cflag, MDMBUF); 359 360 if (HW) 361 SET(cflag, CRTSCTS); 362 else 363 CLR(cflag, CRTSCTS); 364 365 if (NL) { 366 SET(iflag, ICRNL); 367 SET(oflag, ONLCR|OPOST); 368 } else { 369 CLR(iflag, ICRNL); 370 CLR(oflag, ONLCR); 371 } 372 373 if (!HT) 374 SET(oflag, OXTABS|OPOST); 375 else 376 CLR(oflag, OXTABS); 377 378 #ifdef XXX_DELAY 379 SET(f, delaybits()); 380 #endif 381 382 if (n == 1) { /* read mode flags */ 383 if (RW) { 384 iflag = 0; 385 CLR(oflag, OPOST); 386 CLR(cflag, CSIZE|PARENB); 387 SET(cflag, CS8); 388 lflag = 0; 389 } else { 390 CLR(lflag, ICANON); 391 } 392 goto out; 393 } 394 395 if (n == 0) 396 goto out; 397 398 #if 0 399 if (CB) 400 SET(f, CRTBS); 401 #endif 402 403 if (CE) 404 SET(lflag, ECHOE); 405 else 406 CLR(lflag, ECHOE); 407 408 if (CK) 409 SET(lflag, ECHOKE); 410 else 411 CLR(lflag, ECHOKE); 412 413 if (PE) 414 SET(lflag, ECHOPRT); 415 else 416 CLR(lflag, ECHOPRT); 417 418 if (EC) 419 SET(lflag, ECHO); 420 else 421 CLR(lflag, ECHO); 422 423 if (XC) 424 SET(lflag, ECHOCTL); 425 else 426 CLR(lflag, ECHOCTL); 427 428 if (DX) 429 SET(lflag, IXANY); 430 else 431 CLR(lflag, IXANY); 432 433 out: 434 tmode.c_iflag = iflag; 435 tmode.c_oflag = oflag; 436 tmode.c_cflag = cflag; 437 tmode.c_lflag = lflag; 438 } 439 440 #ifdef COMPAT_43 441 /* 442 * Old TTY => termios, snatched from <sys/kern/tty_compat.c> 443 */ 444 void 445 compatflags(long flags) 446 { 447 tcflag_t iflag, oflag, cflag, lflag; 448 449 iflag = BRKINT|ICRNL|IMAXBEL|IXON|IXANY; 450 oflag = OPOST|ONLCR|OXTABS; 451 cflag = CREAD; 452 lflag = ICANON|ISIG|IEXTEN; 453 454 if (ISSET(flags, TANDEM)) 455 SET(iflag, IXOFF); 456 else 457 CLR(iflag, IXOFF); 458 if (ISSET(flags, ECHO)) 459 SET(lflag, ECHO); 460 else 461 CLR(lflag, ECHO); 462 if (ISSET(flags, CRMOD)) { 463 SET(iflag, ICRNL); 464 SET(oflag, ONLCR); 465 } else { 466 CLR(iflag, ICRNL); 467 CLR(oflag, ONLCR); 468 } 469 if (ISSET(flags, XTABS)) 470 SET(oflag, OXTABS); 471 else 472 CLR(oflag, OXTABS); 473 474 475 if (ISSET(flags, RAW)) { 476 iflag &= IXOFF; 477 CLR(lflag, ISIG|ICANON|IEXTEN); 478 CLR(cflag, PARENB); 479 } else { 480 SET(iflag, BRKINT|IXON|IMAXBEL); 481 SET(lflag, ISIG|IEXTEN); 482 if (ISSET(flags, CBREAK)) 483 CLR(lflag, ICANON); 484 else 485 SET(lflag, ICANON); 486 switch (ISSET(flags, ANYP)) { 487 case 0: 488 CLR(cflag, PARENB); 489 break; 490 case ANYP: 491 SET(cflag, PARENB); 492 CLR(iflag, INPCK); 493 break; 494 case EVENP: 495 SET(cflag, PARENB); 496 SET(iflag, INPCK); 497 CLR(cflag, PARODD); 498 break; 499 case ODDP: 500 SET(cflag, PARENB); 501 SET(iflag, INPCK); 502 SET(cflag, PARODD); 503 break; 504 } 505 } 506 507 /* Nothing we can do with CRTBS. */ 508 if (ISSET(flags, PRTERA)) 509 SET(lflag, ECHOPRT); 510 else 511 CLR(lflag, ECHOPRT); 512 if (ISSET(flags, CRTERA)) 513 SET(lflag, ECHOE); 514 else 515 CLR(lflag, ECHOE); 516 /* Nothing we can do with TILDE. */ 517 if (ISSET(flags, MDMBUF)) 518 SET(cflag, MDMBUF); 519 else 520 CLR(cflag, MDMBUF); 521 if (ISSET(flags, NOHANG)) 522 CLR(cflag, HUPCL); 523 else 524 SET(cflag, HUPCL); 525 if (ISSET(flags, CRTKIL)) 526 SET(lflag, ECHOKE); 527 else 528 CLR(lflag, ECHOKE); 529 if (ISSET(flags, CTLECH)) 530 SET(lflag, ECHOCTL); 531 else 532 CLR(lflag, ECHOCTL); 533 if (!ISSET(flags, DECCTQ)) 534 SET(iflag, IXANY); 535 else 536 CLR(iflag, IXANY); 537 CLR(lflag, TOSTOP|FLUSHO|PENDIN|NOFLSH); 538 SET(lflag, ISSET(flags, TOSTOP|FLUSHO|PENDIN|NOFLSH)); 539 540 if (ISSET(flags, RAW|LITOUT|PASS8)) { 541 CLR(cflag, CSIZE); 542 SET(cflag, CS8); 543 if (!ISSET(flags, RAW|PASS8)) 544 SET(iflag, ISTRIP); 545 else 546 CLR(iflag, ISTRIP); 547 if (!ISSET(flags, RAW|LITOUT)) 548 SET(oflag, OPOST); 549 else 550 CLR(oflag, OPOST); 551 } else { 552 CLR(cflag, CSIZE); 553 SET(cflag, CS7); 554 SET(iflag, ISTRIP); 555 SET(oflag, OPOST); 556 } 557 558 tmode.c_iflag = iflag; 559 tmode.c_oflag = oflag; 560 tmode.c_cflag = cflag; 561 tmode.c_lflag = lflag; 562 } 563 #endif 564 565 #ifdef XXX_DELAY 566 struct delayval { 567 unsigned delay; /* delay in ms */ 568 int bits; 569 }; 570 571 /* 572 * below are random guesses, I can't be bothered checking 573 */ 574 575 struct delayval crdelay[] = { 576 { 1, CR1 }, 577 { 2, CR2 }, 578 { 3, CR3 }, 579 { 83, CR1 }, 580 { 166, CR2 }, 581 { 0, CR3 }, 582 }; 583 584 struct delayval nldelay[] = { 585 { 1, NL1 }, /* special, calculated */ 586 { 2, NL2 }, 587 { 3, NL3 }, 588 { 100, NL2 }, 589 { 0, NL3 }, 590 }; 591 592 struct delayval bsdelay[] = { 593 { 1, BS1 }, 594 { 0, 0 }, 595 }; 596 597 struct delayval ffdelay[] = { 598 { 1, FF1 }, 599 { 1750, FF1 }, 600 { 0, FF1 }, 601 }; 602 603 struct delayval tbdelay[] = { 604 { 1, TAB1 }, 605 { 2, TAB2 }, 606 { 3, XTABS }, /* this is expand tabs */ 607 { 100, TAB1 }, 608 { 0, TAB2 }, 609 }; 610 611 int 612 delaybits(void) 613 { 614 int f; 615 616 f = adelay(CD, crdelay); 617 f |= adelay(ND, nldelay); 618 f |= adelay(FD, ffdelay); 619 f |= adelay(TD, tbdelay); 620 f |= adelay(BD, bsdelay); 621 return (f); 622 } 623 624 int 625 adelay(int ms, struct delayval *dp) 626 { 627 if (ms == 0) 628 return (0); 629 while (dp->delay && ms > dp->delay) 630 dp++; 631 return (dp->bits); 632 } 633 #endif 634 635 char editedhost[MAXHOSTNAMELEN]; 636 637 void 638 edithost(const char *pat) 639 { 640 const char *host = HN; 641 char *res = editedhost; 642 643 if (!pat) 644 pat = ""; 645 while (*pat) { 646 switch (*pat) { 647 648 case '#': 649 if (*host) 650 host++; 651 break; 652 653 case '@': 654 if (*host) 655 *res++ = *host++; 656 break; 657 658 default: 659 *res++ = *pat; 660 break; 661 662 } 663 if (res == &editedhost[sizeof editedhost - 1]) { 664 *res = '\0'; 665 return; 666 } 667 pat++; 668 } 669 if (*host) 670 strncpy(res, host, sizeof editedhost - (res - editedhost) - 1); 671 else 672 *res = '\0'; 673 editedhost[sizeof editedhost - 1] = '\0'; 674 } 675 676 static struct speedtab { 677 int speed; 678 int uxname; 679 } speedtab[] = { 680 { 50, B50 }, 681 { 75, B75 }, 682 { 110, B110 }, 683 { 134, B134 }, 684 { 150, B150 }, 685 { 200, B200 }, 686 { 300, B300 }, 687 { 600, B600 }, 688 { 1200, B1200 }, 689 { 1800, B1800 }, 690 { 2400, B2400 }, 691 { 4800, B4800 }, 692 { 9600, B9600 }, 693 { 19200, EXTA }, 694 { 19, EXTA }, /* for people who say 19.2K */ 695 { 38400, EXTB }, 696 { 38, EXTB }, 697 { 7200, EXTB }, /* alternative */ 698 { 57600, B57600 }, 699 { 115200, B115200 }, 700 { 230400, B230400 }, 701 { 0 } 702 }; 703 704 int 705 speed(int val) 706 { 707 struct speedtab *sp; 708 709 if (val <= B230400) 710 return (val); 711 712 for (sp = speedtab; sp->speed; sp++) 713 if (sp->speed == val) 714 return (sp->uxname); 715 716 return (B300); /* default in impossible cases */ 717 } 718 719 void 720 makeenv(char *env[]) 721 { 722 static char termbuf[128] = "TERM="; 723 char *p, *q; 724 char **ep; 725 726 ep = env; 727 if (TT && *TT) { 728 strlcat(termbuf, TT, sizeof(termbuf)); 729 *ep++ = termbuf; 730 } 731 if ((p = EV)) { 732 q = p; 733 while ((q = strchr(q, ','))) { 734 *q++ = '\0'; 735 *ep++ = p; 736 p = q; 737 } 738 if (*p) 739 *ep++ = p; 740 } 741 *ep = (char *)0; 742 } 743 744 /* 745 * This speed select mechanism is written for the Develcon DATASWITCH. 746 * The Develcon sends a string of the form "B{speed}\n" at a predefined 747 * baud rate. This string indicates the user's actual speed. 748 * The routine below returns the terminal type mapped from derived speed. 749 */ 750 struct portselect { 751 const char *ps_baud; 752 const char *ps_type; 753 } portspeeds[] = { 754 { "B110", "std.110" }, 755 { "B134", "std.134" }, 756 { "B150", "std.150" }, 757 { "B300", "std.300" }, 758 { "B600", "std.600" }, 759 { "B1200", "std.1200" }, 760 { "B2400", "std.2400" }, 761 { "B4800", "std.4800" }, 762 { "B9600", "std.9600" }, 763 { "B19200", "std.19200" }, 764 { 0 } 765 }; 766 767 const char * 768 portselector(void) 769 { 770 char c, baud[20]; 771 const char *type = "default"; 772 struct portselect *ps; 773 int len; 774 775 alarm(5*60); 776 for (len = 0; len < sizeof (baud) - 1; len++) { 777 if (read(STDIN_FILENO, &c, 1) <= 0) 778 break; 779 c &= 0177; 780 if (c == '\n' || c == '\r') 781 break; 782 if (c == 'B') 783 len = 0; /* in case of leading garbage */ 784 baud[len] = c; 785 } 786 baud[len] = '\0'; 787 for (ps = portspeeds; ps->ps_baud; ps++) 788 if (strcmp(ps->ps_baud, baud) == 0) { 789 type = ps->ps_type; 790 break; 791 } 792 sleep(2); /* wait for connection to complete */ 793 return (type); 794 } 795 796 /* 797 * This auto-baud speed select mechanism is written for the Micom 600 798 * portselector. Selection is done by looking at how the character '\r' 799 * is garbled at the different speeds. 800 */ 801 const char * 802 autobaud(void) 803 { 804 int rfds; 805 struct timeval timeout; 806 char c; 807 const char *type = "9600-baud"; 808 809 (void)tcflush(0, TCIOFLUSH); 810 rfds = 1 << 0; 811 timeout.tv_sec = 5; 812 timeout.tv_usec = 0; 813 if (select(32, (fd_set *)&rfds, (fd_set *)NULL, 814 (fd_set *)NULL, &timeout) <= 0) 815 return (type); 816 if (read(STDIN_FILENO, &c, sizeof(char)) != sizeof(char)) 817 return (type); 818 timeout.tv_sec = 0; 819 timeout.tv_usec = 20; 820 (void) select(32, (fd_set *)NULL, (fd_set *)NULL, 821 (fd_set *)NULL, &timeout); 822 (void)tcflush(0, TCIOFLUSH); 823 switch (c & 0377) { 824 825 case 0200: /* 300-baud */ 826 type = "300-baud"; 827 break; 828 829 case 0346: /* 1200-baud */ 830 type = "1200-baud"; 831 break; 832 833 case 015: /* 2400-baud */ 834 case 0215: 835 type = "2400-baud"; 836 break; 837 838 default: /* 4800-baud */ 839 type = "4800-baud"; 840 break; 841 842 case 0377: /* 9600-baud */ 843 type = "9600-baud"; 844 break; 845 } 846 return (type); 847 } 848