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Commit | Line | Data |
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ef416fc2 | 1 | /* |
7a6a01dd | 2 | * "$Id$" |
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 | ||
ed486911 | 36 | #include "backend-private.h" |
ef416fc2 | 37 | |
b423cd4c | 38 | #ifdef __hpux |
39 | # include <sys/time.h> | |
40 | #else | |
41 | # include <sys/select.h> | |
42 | #endif /* __hpux */ | |
43 | ||
ef416fc2 | 44 | #ifdef WIN32 |
45 | # include <io.h> | |
46 | #else | |
47 | # include <unistd.h> | |
48 | # include <fcntl.h> | |
49 | # include <termios.h> | |
50 | # include <sys/socket.h> | |
51 | #endif /* WIN32 */ | |
52 | ||
53 | #ifdef __sgi | |
54 | # include <invent.h> | |
55 | # ifndef INV_EPP_ECP_PLP | |
56 | # define INV_EPP_ECP_PLP 6 /* From 6.3/6.4/6.5 sys/invent.h */ | |
57 | # define INV_ASO_SERIAL 14 /* serial portion of SGI ASO board */ | |
58 | # define INV_IOC3_DMA 16 /* DMA mode IOC3 serial */ | |
59 | # define INV_IOC3_PIO 17 /* PIO mode IOC3 serial */ | |
60 | # define INV_ISA_DMA 19 /* DMA mode ISA serial -- O2 */ | |
61 | # endif /* !INV_EPP_ECP_PLP */ | |
62 | #endif /* __sgi */ | |
63 | ||
64 | ||
65 | /* | |
66 | * Local functions... | |
67 | */ | |
68 | ||
69 | void list_devices(void); | |
70 | ||
71 | ||
72 | /* | |
73 | * 'main()' - Send a file to the specified parallel port. | |
74 | * | |
75 | * Usage: | |
76 | * | |
77 | * printer-uri job-id user title copies options [file] | |
78 | */ | |
79 | ||
80 | int /* O - Exit status */ | |
81 | main(int argc, /* I - Number of command-line arguments (6 or 7) */ | |
82 | char *argv[]) /* I - Command-line arguments */ | |
83 | { | |
84 | char method[255], /* Method in URI */ | |
85 | hostname[1024], /* Hostname */ | |
86 | username[255], /* Username info (not used) */ | |
87 | resource[1024], /* Resource info (device and options) */ | |
88 | *options; /* Pointer to options */ | |
89 | int port; /* Port number (not used) */ | |
ed486911 | 90 | int print_fd, /* Print file */ |
91 | device_fd; /* Parallel device */ | |
ef416fc2 | 92 | int copies; /* Number of copies to print */ |
ed486911 | 93 | size_t tbytes; /* Total number of bytes written */ |
ef416fc2 | 94 | struct termios opts; /* Parallel port options */ |
ed486911 | 95 | #if defined(__linux) && defined(LP_POUTPA) |
96 | unsigned int status; /* Port status (off-line, out-of-paper, etc.) */ | |
ef416fc2 | 97 | int paperout; /* Paper out? */ |
ed486911 | 98 | #endif /* __linux && LP_POUTPA */ |
ef416fc2 | 99 | #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET) |
100 | struct sigaction action; /* Actions for POSIX signals */ | |
101 | #endif /* HAVE_SIGACTION && !HAVE_SIGSET */ | |
ef416fc2 | 102 | |
103 | ||
104 | /* | |
105 | * Make sure status messages are not buffered... | |
106 | */ | |
107 | ||
108 | setbuf(stderr, NULL); | |
109 | ||
110 | /* | |
111 | * Ignore SIGPIPE signals... | |
112 | */ | |
113 | ||
114 | #ifdef HAVE_SIGSET | |
115 | sigset(SIGPIPE, SIG_IGN); | |
116 | #elif defined(HAVE_SIGACTION) | |
117 | memset(&action, 0, sizeof(action)); | |
118 | action.sa_handler = SIG_IGN; | |
119 | sigaction(SIGPIPE, &action, NULL); | |
120 | #else | |
121 | signal(SIGPIPE, SIG_IGN); | |
122 | #endif /* HAVE_SIGSET */ | |
123 | ||
124 | /* | |
125 | * Check command-line... | |
126 | */ | |
127 | ||
128 | if (argc == 1) | |
129 | { | |
130 | list_devices(); | |
131 | return (CUPS_BACKEND_OK); | |
132 | } | |
133 | else if (argc < 6 || argc > 7) | |
134 | { | |
135 | fputs("Usage: parallel job-id user title copies options [file]\n", stderr); | |
136 | return (CUPS_BACKEND_FAILED); | |
137 | } | |
138 | ||
139 | /* | |
140 | * If we have 7 arguments, print the file named on the command-line. | |
141 | * Otherwise, send stdin instead... | |
142 | */ | |
143 | ||
144 | if (argc == 6) | |
145 | { | |
ed486911 | 146 | print_fd = 0; |
147 | copies = 1; | |
ef416fc2 | 148 | } |
149 | else | |
150 | { | |
151 | /* | |
152 | * Try to open the print file... | |
153 | */ | |
154 | ||
ed486911 | 155 | if ((print_fd = open(argv[6], O_RDONLY)) < 0) |
ef416fc2 | 156 | { |
157 | perror("ERROR: unable to open print file"); | |
158 | return (CUPS_BACKEND_FAILED); | |
159 | } | |
160 | ||
161 | copies = atoi(argv[4]); | |
162 | } | |
163 | ||
164 | /* | |
165 | * Extract the device name and options from the URI... | |
166 | */ | |
167 | ||
a4d04587 | 168 | httpSeparateURI(HTTP_URI_CODING_ALL, cupsBackendDeviceURI(argv), |
169 | method, sizeof(method), username, sizeof(username), | |
170 | hostname, sizeof(hostname), &port, | |
ef416fc2 | 171 | resource, sizeof(resource)); |
172 | ||
173 | /* | |
174 | * See if there are any options... | |
175 | */ | |
176 | ||
177 | if ((options = strchr(resource, '?')) != NULL) | |
178 | { | |
179 | /* | |
180 | * Yup, terminate the device name string and move to the first | |
181 | * character of the options... | |
182 | */ | |
183 | ||
184 | *options++ = '\0'; | |
185 | } | |
186 | ||
187 | /* | |
188 | * Open the parallel port device... | |
189 | */ | |
190 | ||
757d2cad | 191 | fputs("STATE: +connecting-to-device\n", stderr); |
192 | ||
ef416fc2 | 193 | do |
194 | { | |
ed486911 | 195 | if ((device_fd = open(resource, O_WRONLY | O_EXCL)) == -1) |
ef416fc2 | 196 | { |
197 | if (getenv("CLASS") != NULL) | |
198 | { | |
199 | /* | |
200 | * If the CLASS environment variable is set, the job was submitted | |
201 | * to a class and not to a specific queue. In this case, we want | |
202 | * to abort immediately so that the job can be requeued on the next | |
203 | * available printer in the class. | |
204 | */ | |
205 | ||
ed486911 | 206 | fputs("INFO: Unable to open parallel port, queuing on next printer " |
207 | "in class...\n", stderr); | |
ef416fc2 | 208 | |
209 | /* | |
210 | * Sleep 5 seconds to keep the job from requeuing too rapidly... | |
211 | */ | |
212 | ||
213 | sleep(5); | |
214 | ||
215 | return (CUPS_BACKEND_FAILED); | |
216 | } | |
217 | ||
218 | if (errno == EBUSY) | |
219 | { | |
ed486911 | 220 | fputs("INFO: Parallel port busy; will retry in 30 seconds...\n", |
221 | stderr); | |
ef416fc2 | 222 | sleep(30); |
223 | } | |
224 | else if (errno == ENXIO || errno == EIO || errno == ENOENT) | |
225 | { | |
ed486911 | 226 | fputs("INFO: Printer not connected; will retry in 30 seconds...\n", |
227 | stderr); | |
ef416fc2 | 228 | sleep(30); |
229 | } | |
230 | else | |
231 | { | |
ed486911 | 232 | fprintf(stderr, |
233 | "ERROR: Unable to open parallel port device file \"%s\": %s\n", | |
ef416fc2 | 234 | resource, strerror(errno)); |
235 | return (CUPS_BACKEND_FAILED); | |
236 | } | |
237 | } | |
238 | } | |
ed486911 | 239 | while (device_fd < 0); |
ef416fc2 | 240 | |
757d2cad | 241 | fputs("STATE: -connecting-to-device\n", stderr); |
242 | ||
ef416fc2 | 243 | /* |
244 | * Set any options provided... | |
245 | */ | |
246 | ||
ed486911 | 247 | tcgetattr(device_fd, &opts); |
ef416fc2 | 248 | |
249 | opts.c_lflag &= ~(ICANON | ECHO | ISIG); /* Raw mode */ | |
250 | ||
251 | /**** No options supported yet ****/ | |
252 | ||
ed486911 | 253 | tcsetattr(device_fd, TCSANOW, &opts); |
ef416fc2 | 254 | |
255 | #if defined(__linux) && defined(LP_POUTPA) | |
256 | /* | |
257 | * Show the printer status before we send the file... | |
258 | */ | |
259 | ||
ed486911 | 260 | paperout = 0; |
261 | ||
ef416fc2 | 262 | while (!ioctl(fd, LPGETSTATUS, &status)) |
263 | { | |
264 | fprintf(stderr, "DEBUG: LPGETSTATUS returned a port status of %02X...\n", status); | |
265 | ||
266 | if (status & LP_POUTPA) | |
267 | { | |
268 | fputs("WARNING: Media tray empty!\n", stderr); | |
269 | fputs("STATUS: +media-tray-empty-error\n", stderr); | |
270 | ||
271 | paperout = 1; | |
272 | } | |
273 | ||
274 | if (!(status & LP_PERRORP)) | |
275 | fputs("WARNING: Printer fault!\n", stderr); | |
276 | else if (!(status & LP_PSELECD)) | |
277 | fputs("WARNING: Printer off-line.\n", stderr); | |
278 | else | |
279 | break; | |
280 | ||
281 | sleep(5); | |
282 | } | |
283 | #endif /* __linux && LP_POUTPA */ | |
284 | ||
ef416fc2 | 285 | /* |
286 | * Finally, send the print file... | |
287 | */ | |
288 | ||
ed486911 | 289 | tbytes = 0; |
ef416fc2 | 290 | |
ed486911 | 291 | while (copies > 0 && tbytes >= 0) |
ef416fc2 | 292 | { |
293 | copies --; | |
294 | ||
ed486911 | 295 | if (print_fd != 0) |
ef416fc2 | 296 | { |
297 | fputs("PAGE: 1 1\n", stderr); | |
ed486911 | 298 | lseek(print_fd, 0, SEEK_SET); |
ef416fc2 | 299 | } |
300 | ||
ed486911 | 301 | tbytes = backendRunLoop(print_fd, device_fd, 1); |
ef416fc2 | 302 | |
ed486911 | 303 | if (print_fd != 0 && tbytes >= 0) |
304 | fprintf(stderr, "INFO: Sent print file, " CUPS_LLFMT " bytes...\n", | |
305 | CUPS_LLCAST tbytes); | |
ef416fc2 | 306 | } |
307 | ||
308 | /* | |
309 | * Close the socket connection and input file and return... | |
310 | */ | |
311 | ||
ed486911 | 312 | close(device_fd); |
313 | ||
314 | if (print_fd != 0) | |
315 | close(print_fd); | |
ef416fc2 | 316 | |
ed486911 | 317 | return (tbytes < 0 ? CUPS_BACKEND_FAILED : CUPS_BACKEND_OK); |
ef416fc2 | 318 | } |
319 | ||
320 | ||
321 | /* | |
322 | * 'list_devices()' - List all parallel devices. | |
323 | */ | |
324 | ||
325 | void | |
326 | list_devices(void) | |
327 | { | |
328 | #if defined(__hpux) || defined(__sgi) || defined(__sun) | |
329 | static char *funky_hex = "0123456789abcdefghijklmnopqrstuvwxyz"; | |
330 | /* Funky hex numbering used for some devices */ | |
331 | #endif /* __hpux || __sgi || __sun */ | |
332 | ||
333 | #ifdef __linux | |
334 | int i; /* Looping var */ | |
335 | int fd; /* File descriptor */ | |
336 | char device[255], /* Device filename */ | |
337 | basedevice[255], /* Base device filename for ports */ | |
338 | device_id[1024], /* Device ID string */ | |
339 | make_model[1024]; /* Make and model */ | |
340 | ||
341 | ||
342 | if (!access("/dev/parallel/", 0)) | |
343 | strcpy(basedevice, "/dev/parallel/"); | |
344 | else if (!access("/dev/printers/", 0)) | |
345 | strcpy(basedevice, "/dev/printers/"); | |
ef416fc2 | 346 | else |
347 | strcpy(basedevice, "/dev/lp"); | |
348 | ||
349 | for (i = 0; i < 4; i ++) | |
350 | { | |
351 | /* | |
352 | * Open the port, if available... | |
353 | */ | |
354 | ||
355 | sprintf(device, "%s%d", basedevice, i); | |
356 | if ((fd = open(device, O_RDWR | O_EXCL)) < 0) | |
357 | fd = open(device, O_WRONLY); | |
358 | ||
359 | if (fd >= 0) | |
360 | { | |
361 | /* | |
362 | * Now grab the IEEE 1284 device ID string... | |
363 | */ | |
364 | ||
ed486911 | 365 | if (!backendGetDeviceID(fd, device_id, sizeof(device_id), |
366 | make_model, sizeof(make_model), | |
367 | NULL, NULL, 0)) | |
ef416fc2 | 368 | printf("direct parallel:%s \"%s\" \"%s LPT #%d\" \"%s\"\n", device, |
369 | make_model, make_model, i + 1, device_id); | |
370 | else | |
371 | printf("direct parallel:%s \"Unknown\" \"LPT #%d\"\n", device, i + 1); | |
372 | ||
373 | close(fd); | |
374 | } | |
375 | } | |
376 | #elif defined(__sgi) | |
377 | int i, j, n; /* Looping vars */ | |
378 | char device[255]; /* Device filename */ | |
379 | inventory_t *inv; /* Hardware inventory info */ | |
380 | ||
381 | ||
382 | /* | |
383 | * IRIX maintains a hardware inventory of most devices... | |
384 | */ | |
385 | ||
386 | setinvent(); | |
387 | ||
388 | while ((inv = getinvent()) != NULL) | |
389 | { | |
390 | if (inv->inv_class == INV_PARALLEL && | |
391 | (inv->inv_type == INV_ONBOARD_PLP || | |
392 | inv->inv_type == INV_EPP_ECP_PLP)) | |
393 | { | |
394 | /* | |
395 | * Standard parallel port... | |
396 | */ | |
397 | ||
398 | puts("direct parallel:/dev/plp \"Unknown\" \"Onboard Parallel Port\""); | |
399 | } | |
400 | else if (inv->inv_class == INV_PARALLEL && | |
401 | inv->inv_type == INV_EPC_PLP) | |
402 | { | |
403 | /* | |
404 | * EPC parallel port... | |
405 | */ | |
406 | ||
407 | printf("direct parallel:/dev/plp%d \"Unknown\" \"Integral EPC parallel port, Ebus slot %d\"\n", | |
408 | inv->inv_controller, inv->inv_controller); | |
409 | } | |
410 | } | |
411 | ||
412 | endinvent(); | |
413 | ||
414 | /* | |
415 | * Central Data makes serial and parallel "servers" that can be | |
416 | * connected in a number of ways. Look for ports... | |
417 | */ | |
418 | ||
419 | for (i = 0; i < 10; i ++) | |
420 | for (j = 0; j < 8; j ++) | |
421 | for (n = 0; n < 32; n ++) | |
422 | { | |
423 | if (i == 8) /* EtherLite */ | |
424 | sprintf(device, "/dev/lpn%d%c", j, funky_hex[n]); | |
425 | else if (i == 9) /* PCI */ | |
426 | sprintf(device, "/dev/lpp%d%c", j, funky_hex[n]); | |
427 | else /* SCSI */ | |
428 | sprintf(device, "/dev/lp%d%d%c", i, j, funky_hex[n]); | |
429 | ||
430 | if (access(device, 0) == 0) | |
431 | { | |
432 | if (i == 8) | |
433 | printf("direct parallel:%s \"Unknown\" \"Central Data EtherLite Parallel Port, ID %d, port %d\"\n", | |
434 | device, j, n); | |
435 | else if (i == 9) | |
436 | printf("direct parallel:%s \"Unknown\" \"Central Data PCI Parallel Port, ID %d, port %d\"\n", | |
437 | device, j, n); | |
438 | else | |
439 | printf("direct parallel:%s \"Unknown\" \"Central Data SCSI Parallel Port, logical bus %d, ID %d, port %d\"\n", | |
440 | device, i, j, n); | |
441 | } | |
442 | } | |
443 | #elif defined(__sun) | |
444 | int i, j, n; /* Looping vars */ | |
445 | char device[255]; /* Device filename */ | |
446 | ||
447 | ||
448 | /* | |
449 | * Standard parallel ports... | |
450 | */ | |
451 | ||
452 | for (i = 0; i < 10; i ++) | |
453 | { | |
454 | sprintf(device, "/dev/ecpp%d", i); | |
455 | if (access(device, 0) == 0) | |
456 | printf("direct parallel:%s \"Unknown\" \"Sun IEEE-1284 Parallel Port #%d\"\n", | |
457 | device, i + 1); | |
458 | } | |
459 | ||
460 | for (i = 0; i < 10; i ++) | |
461 | { | |
462 | sprintf(device, "/dev/bpp%d", i); | |
463 | if (access(device, 0) == 0) | |
464 | printf("direct parallel:%s \"Unknown\" \"Sun Standard Parallel Port #%d\"\n", | |
465 | device, i + 1); | |
466 | } | |
467 | ||
468 | for (i = 0; i < 3; i ++) | |
469 | { | |
470 | sprintf(device, "/dev/lp%d", i); | |
471 | ||
472 | if (access(device, 0) == 0) | |
473 | printf("direct parallel:%s \"Unknown\" \"PC Parallel Port #%d\"\n", | |
474 | device, i + 1); | |
475 | } | |
476 | ||
477 | /* | |
478 | * MAGMA parallel ports... | |
479 | */ | |
480 | ||
481 | for (i = 0; i < 40; i ++) | |
482 | { | |
483 | sprintf(device, "/dev/pm%02d", i); | |
484 | if (access(device, 0) == 0) | |
485 | printf("direct parallel:%s \"Unknown\" \"MAGMA Parallel Board #%d Port #%d\"\n", | |
486 | device, (i / 10) + 1, (i % 10) + 1); | |
487 | } | |
488 | ||
489 | /* | |
490 | * Central Data parallel ports... | |
491 | */ | |
492 | ||
493 | for (i = 0; i < 9; i ++) | |
494 | for (j = 0; j < 8; j ++) | |
495 | for (n = 0; n < 32; n ++) | |
496 | { | |
497 | if (i == 8) /* EtherLite */ | |
498 | sprintf(device, "/dev/sts/lpN%d%c", j, funky_hex[n]); | |
499 | else | |
500 | sprintf(device, "/dev/sts/lp%c%d%c", i + 'C', j, | |
501 | funky_hex[n]); | |
502 | ||
503 | if (access(device, 0) == 0) | |
504 | { | |
505 | if (i == 8) | |
506 | printf("direct parallel:%s \"Unknown\" \"Central Data EtherLite Parallel Port, ID %d, port %d\"\n", | |
507 | device, j, n); | |
508 | else | |
509 | printf("direct parallel:%s \"Unknown\" \"Central Data SCSI Parallel Port, logical bus %d, ID %d, port %d\"\n", | |
510 | device, i, j, n); | |
511 | } | |
512 | } | |
513 | #elif defined(__hpux) | |
514 | int i, j, n; /* Looping vars */ | |
515 | char device[255]; /* Device filename */ | |
516 | ||
517 | ||
518 | /* | |
519 | * Standard parallel ports... | |
520 | */ | |
521 | ||
522 | if (access("/dev/rlp", 0) == 0) | |
523 | puts("direct parallel:/dev/rlp \"Unknown\" \"Standard Parallel Port (/dev/rlp)\""); | |
524 | ||
525 | for (i = 0; i < 7; i ++) | |
526 | for (j = 0; j < 7; j ++) | |
527 | { | |
528 | sprintf(device, "/dev/c%dt%dd0_lp", i, j); | |
529 | if (access(device, 0) == 0) | |
530 | printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d,%d\"\n", | |
531 | device, i, j); | |
532 | } | |
533 | ||
534 | /* | |
535 | * Central Data parallel ports... | |
536 | */ | |
537 | ||
538 | for (i = 0; i < 9; i ++) | |
539 | for (j = 0; j < 8; j ++) | |
540 | for (n = 0; n < 32; n ++) | |
541 | { | |
542 | if (i == 8) /* EtherLite */ | |
543 | sprintf(device, "/dev/lpN%d%c", j, funky_hex[n]); | |
544 | else | |
545 | sprintf(device, "/dev/lp%c%d%c", i + 'C', j, | |
546 | funky_hex[n]); | |
547 | ||
548 | if (access(device, 0) == 0) | |
549 | { | |
550 | if (i == 8) | |
551 | printf("direct parallel:%s \"Unknown\" \"Central Data EtherLite Parallel Port, ID %d, port %d\"\n", | |
552 | device, j, n); | |
553 | else | |
554 | printf("direct parallel:%s \"Unknown\" \"Central Data SCSI Parallel Port, logical bus %d, ID %d, port %d\"\n", | |
555 | device, i, j, n); | |
556 | } | |
557 | } | |
558 | #elif defined(__osf__) | |
559 | int i; /* Looping var */ | |
560 | int fd; /* File descriptor */ | |
561 | char device[255]; /* Device filename */ | |
562 | ||
563 | ||
564 | for (i = 0; i < 3; i ++) | |
565 | { | |
566 | sprintf(device, "/dev/lp%d", i); | |
567 | if ((fd = open(device, O_WRONLY)) >= 0) | |
568 | { | |
569 | close(fd); | |
570 | printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d\"\n", device, i + 1); | |
571 | } | |
572 | } | |
b423cd4c | 573 | #elif defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__DragonFly__) |
ef416fc2 | 574 | int i; /* Looping var */ |
575 | int fd; /* File descriptor */ | |
576 | char device[255]; /* Device filename */ | |
577 | ||
578 | ||
579 | for (i = 0; i < 3; i ++) | |
580 | { | |
581 | sprintf(device, "/dev/lpt%d", i); | |
582 | if ((fd = open(device, O_WRONLY)) >= 0) | |
583 | { | |
584 | close(fd); | |
585 | printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d (interrupt-driven)\"\n", device, i + 1); | |
586 | } | |
587 | ||
588 | sprintf(device, "/dev/lpa%d", i); | |
589 | if ((fd = open(device, O_WRONLY)) >= 0) | |
590 | { | |
591 | close(fd); | |
592 | printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d (polled)\"\n", device, i + 1); | |
593 | } | |
594 | } | |
595 | #elif defined(_AIX) | |
596 | int i; /* Looping var */ | |
597 | int fd; /* File descriptor */ | |
598 | char device[255]; /* Device filename */ | |
599 | ||
600 | ||
601 | for (i = 0; i < 8; i ++) | |
602 | { | |
603 | sprintf(device, "/dev/lp%d", i); | |
604 | if ((fd = open(device, O_WRONLY)) >= 0) | |
605 | { | |
606 | close(fd); | |
607 | printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d\"\n", device, i + 1); | |
608 | } | |
609 | } | |
610 | #endif | |
611 | } | |
612 | ||
613 | ||
614 | /* | |
7a6a01dd | 615 | * End of "$Id$". |
ef416fc2 | 616 | */ |