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ef416fc2 | 1 | /* |
b423cd4c | 2 | * "$Id: parallel.c 5194 2006-02-27 20:57:07Z mike $" |
ef416fc2 | 3 | * |
4 | * Parallel port backend for the Common UNIX Printing System (CUPS). | |
5 | * | |
6 | * Copyright 1997-2006 by Easy Software Products, all rights reserved. | |
7 | * | |
8 | * These coded instructions, statements, and computer programs are the | |
9 | * property of Easy Software Products and are protected by Federal | |
10 | * copyright law. Distribution and use rights are outlined in the file | |
11 | * "LICENSE" which should have been included with this file. If this | |
12 | * file is missing or damaged please contact Easy Software Products | |
13 | * at: | |
14 | * | |
15 | * Attn: CUPS Licensing Information | |
16 | * Easy Software Products | |
17 | * 44141 Airport View Drive, Suite 204 | |
18 | * Hollywood, Maryland 20636 USA | |
19 | * | |
20 | * Voice: (301) 373-9600 | |
21 | * EMail: cups-info@cups.org | |
22 | * WWW: http://www.cups.org | |
23 | * | |
24 | * This file is subject to the Apple OS-Developed Software exception. | |
25 | * | |
26 | * Contents: | |
27 | * | |
28 | * main() - Send a file to the specified parallel port. | |
29 | * list_devices() - List all parallel devices. | |
30 | */ | |
31 | ||
32 | /* | |
33 | * Include necessary headers. | |
34 | */ | |
35 | ||
36 | #include <cups/backend.h> | |
37 | #include <cups/cups.h> | |
38 | #include <stdio.h> | |
39 | #include <stdlib.h> | |
40 | #include <errno.h> | |
41 | #include <cups/string.h> | |
42 | #include <signal.h> | |
ef416fc2 | 43 | #include "ieee1284.c" |
44 | ||
b423cd4c | 45 | #ifdef __hpux |
46 | # include <sys/time.h> | |
47 | #else | |
48 | # include <sys/select.h> | |
49 | #endif /* __hpux */ | |
50 | ||
ef416fc2 | 51 | #ifdef WIN32 |
52 | # include <io.h> | |
53 | #else | |
54 | # include <unistd.h> | |
55 | # include <fcntl.h> | |
56 | # include <termios.h> | |
57 | # include <sys/socket.h> | |
58 | #endif /* WIN32 */ | |
59 | ||
60 | #ifdef __sgi | |
61 | # include <invent.h> | |
62 | # ifndef INV_EPP_ECP_PLP | |
63 | # define INV_EPP_ECP_PLP 6 /* From 6.3/6.4/6.5 sys/invent.h */ | |
64 | # define INV_ASO_SERIAL 14 /* serial portion of SGI ASO board */ | |
65 | # define INV_IOC3_DMA 16 /* DMA mode IOC3 serial */ | |
66 | # define INV_IOC3_PIO 17 /* PIO mode IOC3 serial */ | |
67 | # define INV_ISA_DMA 19 /* DMA mode ISA serial -- O2 */ | |
68 | # endif /* !INV_EPP_ECP_PLP */ | |
69 | #endif /* __sgi */ | |
70 | ||
71 | ||
72 | /* | |
73 | * Local functions... | |
74 | */ | |
75 | ||
76 | void list_devices(void); | |
77 | ||
78 | ||
79 | /* | |
80 | * 'main()' - Send a file to the specified parallel port. | |
81 | * | |
82 | * Usage: | |
83 | * | |
84 | * printer-uri job-id user title copies options [file] | |
85 | */ | |
86 | ||
87 | int /* O - Exit status */ | |
88 | main(int argc, /* I - Number of command-line arguments (6 or 7) */ | |
89 | char *argv[]) /* I - Command-line arguments */ | |
90 | { | |
91 | char method[255], /* Method in URI */ | |
92 | hostname[1024], /* Hostname */ | |
93 | username[255], /* Username info (not used) */ | |
94 | resource[1024], /* Resource info (device and options) */ | |
95 | *options; /* Pointer to options */ | |
96 | int port; /* Port number (not used) */ | |
97 | int fp; /* Print file */ | |
98 | int copies; /* Number of copies to print */ | |
99 | int fd; /* Parallel device */ | |
100 | int rbytes; /* Number of bytes read */ | |
101 | int wbytes; /* Number of bytes written */ | |
102 | size_t nbytes, /* Number of bytes read */ | |
103 | tbytes; /* Total number of bytes written */ | |
104 | char buffer[8192], /* Output buffer */ | |
105 | *bufptr; /* Pointer into buffer */ | |
106 | struct termios opts; /* Parallel port options */ | |
107 | fd_set input, /* Input set for select() */ | |
108 | output; /* Output set for select() */ | |
109 | int paperout; /* Paper out? */ | |
110 | #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET) | |
111 | struct sigaction action; /* Actions for POSIX signals */ | |
112 | #endif /* HAVE_SIGACTION && !HAVE_SIGSET */ | |
113 | #ifdef __linux | |
114 | unsigned int status; /* Port status (off-line, out-of-paper, etc.) */ | |
115 | #endif /* __linux */ | |
116 | ||
117 | ||
118 | /* | |
119 | * Make sure status messages are not buffered... | |
120 | */ | |
121 | ||
122 | setbuf(stderr, NULL); | |
123 | ||
124 | /* | |
125 | * Ignore SIGPIPE signals... | |
126 | */ | |
127 | ||
128 | #ifdef HAVE_SIGSET | |
129 | sigset(SIGPIPE, SIG_IGN); | |
130 | #elif defined(HAVE_SIGACTION) | |
131 | memset(&action, 0, sizeof(action)); | |
132 | action.sa_handler = SIG_IGN; | |
133 | sigaction(SIGPIPE, &action, NULL); | |
134 | #else | |
135 | signal(SIGPIPE, SIG_IGN); | |
136 | #endif /* HAVE_SIGSET */ | |
137 | ||
138 | /* | |
139 | * Check command-line... | |
140 | */ | |
141 | ||
142 | if (argc == 1) | |
143 | { | |
144 | list_devices(); | |
145 | return (CUPS_BACKEND_OK); | |
146 | } | |
147 | else if (argc < 6 || argc > 7) | |
148 | { | |
149 | fputs("Usage: parallel job-id user title copies options [file]\n", stderr); | |
150 | return (CUPS_BACKEND_FAILED); | |
151 | } | |
152 | ||
153 | /* | |
154 | * If we have 7 arguments, print the file named on the command-line. | |
155 | * Otherwise, send stdin instead... | |
156 | */ | |
157 | ||
158 | if (argc == 6) | |
159 | { | |
160 | fp = 0; | |
161 | copies = 1; | |
162 | } | |
163 | else | |
164 | { | |
165 | /* | |
166 | * Try to open the print file... | |
167 | */ | |
168 | ||
169 | if ((fp = open(argv[6], O_RDONLY)) < 0) | |
170 | { | |
171 | perror("ERROR: unable to open print file"); | |
172 | return (CUPS_BACKEND_FAILED); | |
173 | } | |
174 | ||
175 | copies = atoi(argv[4]); | |
176 | } | |
177 | ||
178 | /* | |
179 | * Extract the device name and options from the URI... | |
180 | */ | |
181 | ||
a4d04587 | 182 | httpSeparateURI(HTTP_URI_CODING_ALL, cupsBackendDeviceURI(argv), |
183 | method, sizeof(method), username, sizeof(username), | |
184 | hostname, sizeof(hostname), &port, | |
ef416fc2 | 185 | resource, sizeof(resource)); |
186 | ||
187 | /* | |
188 | * See if there are any options... | |
189 | */ | |
190 | ||
191 | if ((options = strchr(resource, '?')) != NULL) | |
192 | { | |
193 | /* | |
194 | * Yup, terminate the device name string and move to the first | |
195 | * character of the options... | |
196 | */ | |
197 | ||
198 | *options++ = '\0'; | |
199 | } | |
200 | ||
201 | /* | |
202 | * Open the parallel port device... | |
203 | */ | |
204 | ||
205 | do | |
206 | { | |
207 | if ((fd = open(resource, O_WRONLY | O_EXCL)) == -1) | |
208 | { | |
209 | if (getenv("CLASS") != NULL) | |
210 | { | |
211 | /* | |
212 | * If the CLASS environment variable is set, the job was submitted | |
213 | * to a class and not to a specific queue. In this case, we want | |
214 | * to abort immediately so that the job can be requeued on the next | |
215 | * available printer in the class. | |
216 | */ | |
217 | ||
218 | fputs("INFO: Unable to open parallel port, queuing on next printer in class...\n", | |
219 | stderr); | |
220 | ||
221 | /* | |
222 | * Sleep 5 seconds to keep the job from requeuing too rapidly... | |
223 | */ | |
224 | ||
225 | sleep(5); | |
226 | ||
227 | return (CUPS_BACKEND_FAILED); | |
228 | } | |
229 | ||
230 | if (errno == EBUSY) | |
231 | { | |
232 | fputs("INFO: Parallel port busy; will retry in 30 seconds...\n", stderr); | |
233 | sleep(30); | |
234 | } | |
235 | else if (errno == ENXIO || errno == EIO || errno == ENOENT) | |
236 | { | |
237 | fputs("INFO: Printer not connected; will retry in 30 seconds...\n", stderr); | |
238 | sleep(30); | |
239 | } | |
240 | else | |
241 | { | |
242 | fprintf(stderr, "ERROR: Unable to open parallel port device file \"%s\": %s\n", | |
243 | resource, strerror(errno)); | |
244 | return (CUPS_BACKEND_FAILED); | |
245 | } | |
246 | } | |
247 | } | |
248 | while (fd < 0); | |
249 | ||
250 | /* | |
251 | * Set any options provided... | |
252 | */ | |
253 | ||
254 | tcgetattr(fd, &opts); | |
255 | ||
256 | opts.c_lflag &= ~(ICANON | ECHO | ISIG); /* Raw mode */ | |
257 | ||
258 | /**** No options supported yet ****/ | |
259 | ||
260 | tcsetattr(fd, TCSANOW, &opts); | |
261 | ||
262 | /* | |
263 | * Check printer status... | |
264 | */ | |
265 | ||
266 | paperout = 0; | |
267 | ||
268 | #if defined(__linux) && defined(LP_POUTPA) | |
269 | /* | |
270 | * Show the printer status before we send the file... | |
271 | */ | |
272 | ||
273 | while (!ioctl(fd, LPGETSTATUS, &status)) | |
274 | { | |
275 | fprintf(stderr, "DEBUG: LPGETSTATUS returned a port status of %02X...\n", status); | |
276 | ||
277 | if (status & LP_POUTPA) | |
278 | { | |
279 | fputs("WARNING: Media tray empty!\n", stderr); | |
280 | fputs("STATUS: +media-tray-empty-error\n", stderr); | |
281 | ||
282 | paperout = 1; | |
283 | } | |
284 | ||
285 | if (!(status & LP_PERRORP)) | |
286 | fputs("WARNING: Printer fault!\n", stderr); | |
287 | else if (!(status & LP_PSELECD)) | |
288 | fputs("WARNING: Printer off-line.\n", stderr); | |
289 | else | |
290 | break; | |
291 | ||
292 | sleep(5); | |
293 | } | |
294 | #endif /* __linux && LP_POUTPA */ | |
295 | ||
296 | /* | |
297 | * Now that we are "connected" to the port, ignore SIGTERM so that we | |
298 | * can finish out any page data the driver sends (e.g. to eject the | |
299 | * current page... Only ignore SIGTERM if we are printing data from | |
300 | * stdin (otherwise you can't cancel raw jobs...) | |
301 | */ | |
302 | ||
303 | if (argc < 7) | |
304 | { | |
305 | #ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */ | |
306 | sigset(SIGTERM, SIG_IGN); | |
307 | #elif defined(HAVE_SIGACTION) | |
308 | memset(&action, 0, sizeof(action)); | |
309 | ||
310 | sigemptyset(&action.sa_mask); | |
311 | action.sa_handler = SIG_IGN; | |
312 | sigaction(SIGTERM, &action, NULL); | |
313 | #else | |
314 | signal(SIGTERM, SIG_IGN); | |
315 | #endif /* HAVE_SIGSET */ | |
316 | } | |
317 | ||
318 | /* | |
319 | * Finally, send the print file... | |
320 | */ | |
321 | ||
322 | wbytes = 0; | |
323 | ||
324 | while (copies > 0) | |
325 | { | |
326 | copies --; | |
327 | ||
328 | if (fp != 0) | |
329 | { | |
330 | fputs("PAGE: 1 1\n", stderr); | |
331 | lseek(fp, 0, SEEK_SET); | |
332 | } | |
333 | ||
334 | tbytes = 0; | |
335 | while ((nbytes = read(fp, buffer, sizeof(buffer))) > 0) | |
336 | { | |
337 | /* | |
338 | * Write the print data to the printer... | |
339 | */ | |
340 | ||
341 | tbytes += nbytes; | |
342 | bufptr = buffer; | |
343 | ||
344 | while (nbytes > 0) | |
345 | { | |
346 | /* | |
347 | * See if we are ready to read or write... | |
348 | */ | |
349 | ||
350 | do | |
351 | { | |
352 | FD_ZERO(&input); | |
353 | FD_SET(fd, &input); | |
354 | FD_ZERO(&output); | |
355 | FD_SET(fd, &output); | |
356 | } | |
357 | while (select(fd + 1, &input, &output, NULL, NULL) < 0); | |
358 | ||
359 | if (FD_ISSET(fd, &input)) | |
360 | { | |
361 | /* | |
362 | * Read backchannel data... | |
363 | */ | |
364 | ||
365 | if ((rbytes = read(fd, resource, sizeof(resource))) > 0) | |
366 | { | |
367 | fprintf(stderr, "DEBUG: Received %d bytes of back-channel data!\n", | |
368 | rbytes); | |
bd7854cb | 369 | cupsBackChannelWrite(resource, rbytes, 1.0); |
ef416fc2 | 370 | } |
371 | } | |
372 | ||
373 | if (FD_ISSET(fd, &output)) | |
374 | { | |
375 | /* | |
376 | * Write print data... | |
377 | */ | |
378 | ||
379 | if ((wbytes = write(fd, bufptr, nbytes)) < 0) | |
380 | if (errno == ENOTTY) | |
381 | wbytes = write(fd, bufptr, nbytes); | |
382 | ||
383 | if (wbytes < 0) | |
384 | { | |
385 | /* | |
386 | * Check for retryable errors... | |
387 | */ | |
388 | ||
389 | if (errno == ENOSPC) | |
390 | { | |
391 | paperout = 1; | |
392 | fputs("ERROR: Out of paper!\n", stderr); | |
393 | fputs("STATUS: +media-tray-empty-error\n", stderr); | |
394 | } | |
395 | else if (errno != EAGAIN && errno != EINTR) | |
396 | { | |
397 | perror("ERROR: Unable to send print file to printer"); | |
398 | break; | |
399 | } | |
400 | } | |
401 | else | |
402 | { | |
403 | /* | |
404 | * Update count and pointer... | |
405 | */ | |
406 | ||
407 | if (paperout) | |
408 | { | |
409 | fputs("STATUS: -media-tray-empty-error\n", stderr); | |
410 | paperout = 0; | |
411 | } | |
412 | ||
413 | nbytes -= wbytes; | |
414 | bufptr += wbytes; | |
415 | } | |
416 | } | |
417 | } | |
418 | ||
419 | if (wbytes < 0) | |
420 | break; | |
421 | ||
422 | if (argc > 6) | |
423 | fprintf(stderr, "INFO: Sending print file, %lu bytes...\n", | |
424 | (unsigned long)tbytes); | |
425 | } | |
426 | } | |
427 | ||
428 | /* | |
429 | * Close the socket connection and input file and return... | |
430 | */ | |
431 | ||
432 | close(fd); | |
433 | if (fp != 0) | |
434 | close(fp); | |
435 | ||
436 | return (wbytes < 0 ? CUPS_BACKEND_FAILED : CUPS_BACKEND_OK); | |
437 | } | |
438 | ||
439 | ||
440 | /* | |
441 | * 'list_devices()' - List all parallel devices. | |
442 | */ | |
443 | ||
444 | void | |
445 | list_devices(void) | |
446 | { | |
447 | #if defined(__hpux) || defined(__sgi) || defined(__sun) | |
448 | static char *funky_hex = "0123456789abcdefghijklmnopqrstuvwxyz"; | |
449 | /* Funky hex numbering used for some devices */ | |
450 | #endif /* __hpux || __sgi || __sun */ | |
451 | ||
452 | #ifdef __linux | |
453 | int i; /* Looping var */ | |
454 | int fd; /* File descriptor */ | |
455 | char device[255], /* Device filename */ | |
456 | basedevice[255], /* Base device filename for ports */ | |
457 | device_id[1024], /* Device ID string */ | |
458 | make_model[1024]; /* Make and model */ | |
459 | ||
460 | ||
461 | if (!access("/dev/parallel/", 0)) | |
462 | strcpy(basedevice, "/dev/parallel/"); | |
463 | else if (!access("/dev/printers/", 0)) | |
464 | strcpy(basedevice, "/dev/printers/"); | |
465 | else if (!access("/dev/par0", 0)) | |
466 | strcpy(basedevice, "/dev/par"); | |
467 | else | |
468 | strcpy(basedevice, "/dev/lp"); | |
469 | ||
470 | for (i = 0; i < 4; i ++) | |
471 | { | |
472 | /* | |
473 | * Open the port, if available... | |
474 | */ | |
475 | ||
476 | sprintf(device, "%s%d", basedevice, i); | |
477 | if ((fd = open(device, O_RDWR | O_EXCL)) < 0) | |
478 | fd = open(device, O_WRONLY); | |
479 | ||
480 | if (fd >= 0) | |
481 | { | |
482 | /* | |
483 | * Now grab the IEEE 1284 device ID string... | |
484 | */ | |
485 | ||
486 | if (!get_device_id(fd, device_id, sizeof(device_id), | |
487 | make_model, sizeof(make_model), | |
488 | NULL, NULL, 0)) | |
489 | printf("direct parallel:%s \"%s\" \"%s LPT #%d\" \"%s\"\n", device, | |
490 | make_model, make_model, i + 1, device_id); | |
491 | else | |
492 | printf("direct parallel:%s \"Unknown\" \"LPT #%d\"\n", device, i + 1); | |
493 | ||
494 | close(fd); | |
495 | } | |
496 | } | |
497 | #elif defined(__sgi) | |
498 | int i, j, n; /* Looping vars */ | |
499 | char device[255]; /* Device filename */ | |
500 | inventory_t *inv; /* Hardware inventory info */ | |
501 | ||
502 | ||
503 | /* | |
504 | * IRIX maintains a hardware inventory of most devices... | |
505 | */ | |
506 | ||
507 | setinvent(); | |
508 | ||
509 | while ((inv = getinvent()) != NULL) | |
510 | { | |
511 | if (inv->inv_class == INV_PARALLEL && | |
512 | (inv->inv_type == INV_ONBOARD_PLP || | |
513 | inv->inv_type == INV_EPP_ECP_PLP)) | |
514 | { | |
515 | /* | |
516 | * Standard parallel port... | |
517 | */ | |
518 | ||
519 | puts("direct parallel:/dev/plp \"Unknown\" \"Onboard Parallel Port\""); | |
520 | } | |
521 | else if (inv->inv_class == INV_PARALLEL && | |
522 | inv->inv_type == INV_EPC_PLP) | |
523 | { | |
524 | /* | |
525 | * EPC parallel port... | |
526 | */ | |
527 | ||
528 | printf("direct parallel:/dev/plp%d \"Unknown\" \"Integral EPC parallel port, Ebus slot %d\"\n", | |
529 | inv->inv_controller, inv->inv_controller); | |
530 | } | |
531 | } | |
532 | ||
533 | endinvent(); | |
534 | ||
535 | /* | |
536 | * Central Data makes serial and parallel "servers" that can be | |
537 | * connected in a number of ways. Look for ports... | |
538 | */ | |
539 | ||
540 | for (i = 0; i < 10; i ++) | |
541 | for (j = 0; j < 8; j ++) | |
542 | for (n = 0; n < 32; n ++) | |
543 | { | |
544 | if (i == 8) /* EtherLite */ | |
545 | sprintf(device, "/dev/lpn%d%c", j, funky_hex[n]); | |
546 | else if (i == 9) /* PCI */ | |
547 | sprintf(device, "/dev/lpp%d%c", j, funky_hex[n]); | |
548 | else /* SCSI */ | |
549 | sprintf(device, "/dev/lp%d%d%c", i, j, funky_hex[n]); | |
550 | ||
551 | if (access(device, 0) == 0) | |
552 | { | |
553 | if (i == 8) | |
554 | printf("direct parallel:%s \"Unknown\" \"Central Data EtherLite Parallel Port, ID %d, port %d\"\n", | |
555 | device, j, n); | |
556 | else if (i == 9) | |
557 | printf("direct parallel:%s \"Unknown\" \"Central Data PCI Parallel Port, ID %d, port %d\"\n", | |
558 | device, j, n); | |
559 | else | |
560 | printf("direct parallel:%s \"Unknown\" \"Central Data SCSI Parallel Port, logical bus %d, ID %d, port %d\"\n", | |
561 | device, i, j, n); | |
562 | } | |
563 | } | |
564 | #elif defined(__sun) | |
565 | int i, j, n; /* Looping vars */ | |
566 | char device[255]; /* Device filename */ | |
567 | ||
568 | ||
569 | /* | |
570 | * Standard parallel ports... | |
571 | */ | |
572 | ||
573 | for (i = 0; i < 10; i ++) | |
574 | { | |
575 | sprintf(device, "/dev/ecpp%d", i); | |
576 | if (access(device, 0) == 0) | |
577 | printf("direct parallel:%s \"Unknown\" \"Sun IEEE-1284 Parallel Port #%d\"\n", | |
578 | device, i + 1); | |
579 | } | |
580 | ||
581 | for (i = 0; i < 10; i ++) | |
582 | { | |
583 | sprintf(device, "/dev/bpp%d", i); | |
584 | if (access(device, 0) == 0) | |
585 | printf("direct parallel:%s \"Unknown\" \"Sun Standard Parallel Port #%d\"\n", | |
586 | device, i + 1); | |
587 | } | |
588 | ||
589 | for (i = 0; i < 3; i ++) | |
590 | { | |
591 | sprintf(device, "/dev/lp%d", i); | |
592 | ||
593 | if (access(device, 0) == 0) | |
594 | printf("direct parallel:%s \"Unknown\" \"PC Parallel Port #%d\"\n", | |
595 | device, i + 1); | |
596 | } | |
597 | ||
598 | /* | |
599 | * MAGMA parallel ports... | |
600 | */ | |
601 | ||
602 | for (i = 0; i < 40; i ++) | |
603 | { | |
604 | sprintf(device, "/dev/pm%02d", i); | |
605 | if (access(device, 0) == 0) | |
606 | printf("direct parallel:%s \"Unknown\" \"MAGMA Parallel Board #%d Port #%d\"\n", | |
607 | device, (i / 10) + 1, (i % 10) + 1); | |
608 | } | |
609 | ||
610 | /* | |
611 | * Central Data parallel ports... | |
612 | */ | |
613 | ||
614 | for (i = 0; i < 9; i ++) | |
615 | for (j = 0; j < 8; j ++) | |
616 | for (n = 0; n < 32; n ++) | |
617 | { | |
618 | if (i == 8) /* EtherLite */ | |
619 | sprintf(device, "/dev/sts/lpN%d%c", j, funky_hex[n]); | |
620 | else | |
621 | sprintf(device, "/dev/sts/lp%c%d%c", i + 'C', j, | |
622 | funky_hex[n]); | |
623 | ||
624 | if (access(device, 0) == 0) | |
625 | { | |
626 | if (i == 8) | |
627 | printf("direct parallel:%s \"Unknown\" \"Central Data EtherLite Parallel Port, ID %d, port %d\"\n", | |
628 | device, j, n); | |
629 | else | |
630 | printf("direct parallel:%s \"Unknown\" \"Central Data SCSI Parallel Port, logical bus %d, ID %d, port %d\"\n", | |
631 | device, i, j, n); | |
632 | } | |
633 | } | |
634 | #elif defined(__hpux) | |
635 | int i, j, n; /* Looping vars */ | |
636 | char device[255]; /* Device filename */ | |
637 | ||
638 | ||
639 | /* | |
640 | * Standard parallel ports... | |
641 | */ | |
642 | ||
643 | if (access("/dev/rlp", 0) == 0) | |
644 | puts("direct parallel:/dev/rlp \"Unknown\" \"Standard Parallel Port (/dev/rlp)\""); | |
645 | ||
646 | for (i = 0; i < 7; i ++) | |
647 | for (j = 0; j < 7; j ++) | |
648 | { | |
649 | sprintf(device, "/dev/c%dt%dd0_lp", i, j); | |
650 | if (access(device, 0) == 0) | |
651 | printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d,%d\"\n", | |
652 | device, i, j); | |
653 | } | |
654 | ||
655 | /* | |
656 | * Central Data parallel ports... | |
657 | */ | |
658 | ||
659 | for (i = 0; i < 9; i ++) | |
660 | for (j = 0; j < 8; j ++) | |
661 | for (n = 0; n < 32; n ++) | |
662 | { | |
663 | if (i == 8) /* EtherLite */ | |
664 | sprintf(device, "/dev/lpN%d%c", j, funky_hex[n]); | |
665 | else | |
666 | sprintf(device, "/dev/lp%c%d%c", i + 'C', j, | |
667 | funky_hex[n]); | |
668 | ||
669 | if (access(device, 0) == 0) | |
670 | { | |
671 | if (i == 8) | |
672 | printf("direct parallel:%s \"Unknown\" \"Central Data EtherLite Parallel Port, ID %d, port %d\"\n", | |
673 | device, j, n); | |
674 | else | |
675 | printf("direct parallel:%s \"Unknown\" \"Central Data SCSI Parallel Port, logical bus %d, ID %d, port %d\"\n", | |
676 | device, i, j, n); | |
677 | } | |
678 | } | |
679 | #elif defined(__osf__) | |
680 | int i; /* Looping var */ | |
681 | int fd; /* File descriptor */ | |
682 | char device[255]; /* Device filename */ | |
683 | ||
684 | ||
685 | for (i = 0; i < 3; i ++) | |
686 | { | |
687 | sprintf(device, "/dev/lp%d", i); | |
688 | if ((fd = open(device, O_WRONLY)) >= 0) | |
689 | { | |
690 | close(fd); | |
691 | printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d\"\n", device, i + 1); | |
692 | } | |
693 | } | |
b423cd4c | 694 | #elif defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__DragonFly__) |
ef416fc2 | 695 | int i; /* Looping var */ |
696 | int fd; /* File descriptor */ | |
697 | char device[255]; /* Device filename */ | |
698 | ||
699 | ||
700 | for (i = 0; i < 3; i ++) | |
701 | { | |
702 | sprintf(device, "/dev/lpt%d", i); | |
703 | if ((fd = open(device, O_WRONLY)) >= 0) | |
704 | { | |
705 | close(fd); | |
706 | printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d (interrupt-driven)\"\n", device, i + 1); | |
707 | } | |
708 | ||
709 | sprintf(device, "/dev/lpa%d", i); | |
710 | if ((fd = open(device, O_WRONLY)) >= 0) | |
711 | { | |
712 | close(fd); | |
713 | printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d (polled)\"\n", device, i + 1); | |
714 | } | |
715 | } | |
716 | #elif defined(_AIX) | |
717 | int i; /* Looping var */ | |
718 | int fd; /* File descriptor */ | |
719 | char device[255]; /* Device filename */ | |
720 | ||
721 | ||
722 | for (i = 0; i < 8; i ++) | |
723 | { | |
724 | sprintf(device, "/dev/lp%d", i); | |
725 | if ((fd = open(device, O_WRONLY)) >= 0) | |
726 | { | |
727 | close(fd); | |
728 | printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d\"\n", device, i + 1); | |
729 | } | |
730 | } | |
731 | #endif | |
732 | } | |
733 | ||
734 | ||
735 | /* | |
b423cd4c | 736 | * End of "$Id: parallel.c 5194 2006-02-27 20:57:07Z mike $". |
ef416fc2 | 737 | */ |