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ef416fc2 | 1 | /* |
26d47ec6 | 2 | * "$Id: parallel.c 6068 2006-10-27 17:10:34Z 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 | ||
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 */ |
26d47ec6 | 91 | device_fd, /* Parallel device */ |
92 | use_bc; /* Read back-channel data? */ | |
ef416fc2 | 93 | int copies; /* Number of copies to print */ |
ed486911 | 94 | size_t tbytes; /* Total number of bytes written */ |
ef416fc2 | 95 | struct termios opts; /* Parallel port options */ |
ef416fc2 | 96 | #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET) |
97 | struct sigaction action; /* Actions for POSIX signals */ | |
98 | #endif /* HAVE_SIGACTION && !HAVE_SIGSET */ | |
ef416fc2 | 99 | |
100 | ||
101 | /* | |
102 | * Make sure status messages are not buffered... | |
103 | */ | |
104 | ||
105 | setbuf(stderr, NULL); | |
106 | ||
107 | /* | |
108 | * Ignore SIGPIPE signals... | |
109 | */ | |
110 | ||
111 | #ifdef HAVE_SIGSET | |
112 | sigset(SIGPIPE, SIG_IGN); | |
113 | #elif defined(HAVE_SIGACTION) | |
114 | memset(&action, 0, sizeof(action)); | |
115 | action.sa_handler = SIG_IGN; | |
116 | sigaction(SIGPIPE, &action, NULL); | |
117 | #else | |
118 | signal(SIGPIPE, SIG_IGN); | |
119 | #endif /* HAVE_SIGSET */ | |
120 | ||
121 | /* | |
122 | * Check command-line... | |
123 | */ | |
124 | ||
125 | if (argc == 1) | |
126 | { | |
127 | list_devices(); | |
128 | return (CUPS_BACKEND_OK); | |
129 | } | |
130 | else if (argc < 6 || argc > 7) | |
131 | { | |
132 | fputs("Usage: parallel job-id user title copies options [file]\n", stderr); | |
133 | return (CUPS_BACKEND_FAILED); | |
134 | } | |
135 | ||
136 | /* | |
137 | * If we have 7 arguments, print the file named on the command-line. | |
138 | * Otherwise, send stdin instead... | |
139 | */ | |
140 | ||
141 | if (argc == 6) | |
142 | { | |
ed486911 | 143 | print_fd = 0; |
144 | copies = 1; | |
ef416fc2 | 145 | } |
146 | else | |
147 | { | |
148 | /* | |
149 | * Try to open the print file... | |
150 | */ | |
151 | ||
ed486911 | 152 | if ((print_fd = open(argv[6], O_RDONLY)) < 0) |
ef416fc2 | 153 | { |
154 | perror("ERROR: unable to open print file"); | |
155 | return (CUPS_BACKEND_FAILED); | |
156 | } | |
157 | ||
158 | copies = atoi(argv[4]); | |
159 | } | |
160 | ||
161 | /* | |
162 | * Extract the device name and options from the URI... | |
163 | */ | |
164 | ||
a4d04587 | 165 | httpSeparateURI(HTTP_URI_CODING_ALL, cupsBackendDeviceURI(argv), |
166 | method, sizeof(method), username, sizeof(username), | |
167 | hostname, sizeof(hostname), &port, | |
ef416fc2 | 168 | resource, sizeof(resource)); |
169 | ||
170 | /* | |
171 | * See if there are any options... | |
172 | */ | |
173 | ||
174 | if ((options = strchr(resource, '?')) != NULL) | |
175 | { | |
176 | /* | |
177 | * Yup, terminate the device name string and move to the first | |
178 | * character of the options... | |
179 | */ | |
180 | ||
181 | *options++ = '\0'; | |
182 | } | |
183 | ||
184 | /* | |
185 | * Open the parallel port device... | |
186 | */ | |
187 | ||
757d2cad | 188 | fputs("STATE: +connecting-to-device\n", stderr); |
189 | ||
ef416fc2 | 190 | do |
191 | { | |
26d47ec6 | 192 | #ifdef __linux |
193 | /* | |
194 | * The Linux parallel port driver currently is broken WRT select() | |
195 | * and bidirection I/O... | |
196 | */ | |
197 | ||
198 | device_fd = open(resource, O_WRONLY | O_EXCL); | |
199 | use_bc = 0; | |
200 | ||
201 | #else | |
202 | if ((device_fd = open(resource, O_RDWR | O_EXCL)) < 0) | |
203 | { | |
204 | device_fd = open(resource, O_WRONLY | O_EXCL); | |
205 | use_bc = 0; | |
206 | } | |
207 | else | |
208 | use_bc = 1; | |
209 | #endif /* __linux */ | |
210 | ||
211 | if (device_fd == -1) | |
ef416fc2 | 212 | { |
213 | if (getenv("CLASS") != NULL) | |
214 | { | |
215 | /* | |
216 | * If the CLASS environment variable is set, the job was submitted | |
217 | * to a class and not to a specific queue. In this case, we want | |
218 | * to abort immediately so that the job can be requeued on the next | |
219 | * available printer in the class. | |
220 | */ | |
221 | ||
ed486911 | 222 | fputs("INFO: Unable to open parallel port, queuing on next printer " |
223 | "in class...\n", stderr); | |
ef416fc2 | 224 | |
225 | /* | |
226 | * Sleep 5 seconds to keep the job from requeuing too rapidly... | |
227 | */ | |
228 | ||
229 | sleep(5); | |
230 | ||
231 | return (CUPS_BACKEND_FAILED); | |
232 | } | |
233 | ||
234 | if (errno == EBUSY) | |
235 | { | |
ed486911 | 236 | fputs("INFO: Parallel port busy; will retry in 30 seconds...\n", |
237 | stderr); | |
ef416fc2 | 238 | sleep(30); |
239 | } | |
240 | else if (errno == ENXIO || errno == EIO || errno == ENOENT) | |
241 | { | |
ed486911 | 242 | fputs("INFO: Printer not connected; will retry in 30 seconds...\n", |
243 | stderr); | |
ef416fc2 | 244 | sleep(30); |
245 | } | |
246 | else | |
247 | { | |
ed486911 | 248 | fprintf(stderr, |
249 | "ERROR: Unable to open parallel port device file \"%s\": %s\n", | |
ef416fc2 | 250 | resource, strerror(errno)); |
251 | return (CUPS_BACKEND_FAILED); | |
252 | } | |
253 | } | |
254 | } | |
ed486911 | 255 | while (device_fd < 0); |
ef416fc2 | 256 | |
757d2cad | 257 | fputs("STATE: -connecting-to-device\n", stderr); |
258 | ||
ef416fc2 | 259 | /* |
260 | * Set any options provided... | |
261 | */ | |
262 | ||
ed486911 | 263 | tcgetattr(device_fd, &opts); |
ef416fc2 | 264 | |
265 | opts.c_lflag &= ~(ICANON | ECHO | ISIG); /* Raw mode */ | |
266 | ||
267 | /**** No options supported yet ****/ | |
268 | ||
ed486911 | 269 | tcsetattr(device_fd, TCSANOW, &opts); |
ef416fc2 | 270 | |
ef416fc2 | 271 | /* |
272 | * Finally, send the print file... | |
273 | */ | |
274 | ||
ed486911 | 275 | tbytes = 0; |
ef416fc2 | 276 | |
ed486911 | 277 | while (copies > 0 && tbytes >= 0) |
ef416fc2 | 278 | { |
279 | copies --; | |
280 | ||
ed486911 | 281 | if (print_fd != 0) |
ef416fc2 | 282 | { |
283 | fputs("PAGE: 1 1\n", stderr); | |
ed486911 | 284 | lseek(print_fd, 0, SEEK_SET); |
ef416fc2 | 285 | } |
286 | ||
26d47ec6 | 287 | tbytes = backendRunLoop(print_fd, device_fd, use_bc); |
ef416fc2 | 288 | |
ed486911 | 289 | if (print_fd != 0 && tbytes >= 0) |
290 | fprintf(stderr, "INFO: Sent print file, " CUPS_LLFMT " bytes...\n", | |
291 | CUPS_LLCAST tbytes); | |
ef416fc2 | 292 | } |
293 | ||
294 | /* | |
295 | * Close the socket connection and input file and return... | |
296 | */ | |
297 | ||
ed486911 | 298 | close(device_fd); |
299 | ||
300 | if (print_fd != 0) | |
301 | close(print_fd); | |
ef416fc2 | 302 | |
ed486911 | 303 | return (tbytes < 0 ? CUPS_BACKEND_FAILED : CUPS_BACKEND_OK); |
ef416fc2 | 304 | } |
305 | ||
306 | ||
307 | /* | |
308 | * 'list_devices()' - List all parallel devices. | |
309 | */ | |
310 | ||
311 | void | |
312 | list_devices(void) | |
313 | { | |
314 | #if defined(__hpux) || defined(__sgi) || defined(__sun) | |
315 | static char *funky_hex = "0123456789abcdefghijklmnopqrstuvwxyz"; | |
316 | /* Funky hex numbering used for some devices */ | |
317 | #endif /* __hpux || __sgi || __sun */ | |
318 | ||
319 | #ifdef __linux | |
320 | int i; /* Looping var */ | |
321 | int fd; /* File descriptor */ | |
322 | char device[255], /* Device filename */ | |
323 | basedevice[255], /* Base device filename for ports */ | |
324 | device_id[1024], /* Device ID string */ | |
325 | make_model[1024]; /* Make and model */ | |
326 | ||
327 | ||
328 | if (!access("/dev/parallel/", 0)) | |
329 | strcpy(basedevice, "/dev/parallel/"); | |
330 | else if (!access("/dev/printers/", 0)) | |
331 | strcpy(basedevice, "/dev/printers/"); | |
ef416fc2 | 332 | else |
333 | strcpy(basedevice, "/dev/lp"); | |
334 | ||
335 | for (i = 0; i < 4; i ++) | |
336 | { | |
337 | /* | |
338 | * Open the port, if available... | |
339 | */ | |
340 | ||
341 | sprintf(device, "%s%d", basedevice, i); | |
342 | if ((fd = open(device, O_RDWR | O_EXCL)) < 0) | |
343 | fd = open(device, O_WRONLY); | |
344 | ||
345 | if (fd >= 0) | |
346 | { | |
347 | /* | |
348 | * Now grab the IEEE 1284 device ID string... | |
349 | */ | |
350 | ||
ed486911 | 351 | if (!backendGetDeviceID(fd, device_id, sizeof(device_id), |
352 | make_model, sizeof(make_model), | |
353 | NULL, NULL, 0)) | |
ef416fc2 | 354 | printf("direct parallel:%s \"%s\" \"%s LPT #%d\" \"%s\"\n", device, |
355 | make_model, make_model, i + 1, device_id); | |
356 | else | |
357 | printf("direct parallel:%s \"Unknown\" \"LPT #%d\"\n", device, i + 1); | |
358 | ||
359 | close(fd); | |
360 | } | |
361 | } | |
362 | #elif defined(__sgi) | |
363 | int i, j, n; /* Looping vars */ | |
364 | char device[255]; /* Device filename */ | |
365 | inventory_t *inv; /* Hardware inventory info */ | |
366 | ||
367 | ||
368 | /* | |
369 | * IRIX maintains a hardware inventory of most devices... | |
370 | */ | |
371 | ||
372 | setinvent(); | |
373 | ||
374 | while ((inv = getinvent()) != NULL) | |
375 | { | |
376 | if (inv->inv_class == INV_PARALLEL && | |
377 | (inv->inv_type == INV_ONBOARD_PLP || | |
378 | inv->inv_type == INV_EPP_ECP_PLP)) | |
379 | { | |
380 | /* | |
381 | * Standard parallel port... | |
382 | */ | |
383 | ||
384 | puts("direct parallel:/dev/plp \"Unknown\" \"Onboard Parallel Port\""); | |
385 | } | |
386 | else if (inv->inv_class == INV_PARALLEL && | |
387 | inv->inv_type == INV_EPC_PLP) | |
388 | { | |
389 | /* | |
390 | * EPC parallel port... | |
391 | */ | |
392 | ||
393 | printf("direct parallel:/dev/plp%d \"Unknown\" \"Integral EPC parallel port, Ebus slot %d\"\n", | |
394 | inv->inv_controller, inv->inv_controller); | |
395 | } | |
396 | } | |
397 | ||
398 | endinvent(); | |
399 | ||
400 | /* | |
401 | * Central Data makes serial and parallel "servers" that can be | |
402 | * connected in a number of ways. Look for ports... | |
403 | */ | |
404 | ||
405 | for (i = 0; i < 10; i ++) | |
406 | for (j = 0; j < 8; j ++) | |
407 | for (n = 0; n < 32; n ++) | |
408 | { | |
409 | if (i == 8) /* EtherLite */ | |
410 | sprintf(device, "/dev/lpn%d%c", j, funky_hex[n]); | |
411 | else if (i == 9) /* PCI */ | |
412 | sprintf(device, "/dev/lpp%d%c", j, funky_hex[n]); | |
413 | else /* SCSI */ | |
414 | sprintf(device, "/dev/lp%d%d%c", i, j, funky_hex[n]); | |
415 | ||
416 | if (access(device, 0) == 0) | |
417 | { | |
418 | if (i == 8) | |
419 | printf("direct parallel:%s \"Unknown\" \"Central Data EtherLite Parallel Port, ID %d, port %d\"\n", | |
420 | device, j, n); | |
421 | else if (i == 9) | |
422 | printf("direct parallel:%s \"Unknown\" \"Central Data PCI Parallel Port, ID %d, port %d\"\n", | |
423 | device, j, n); | |
424 | else | |
425 | printf("direct parallel:%s \"Unknown\" \"Central Data SCSI Parallel Port, logical bus %d, ID %d, port %d\"\n", | |
426 | device, i, j, n); | |
427 | } | |
428 | } | |
429 | #elif defined(__sun) | |
430 | int i, j, n; /* Looping vars */ | |
431 | char device[255]; /* Device filename */ | |
432 | ||
433 | ||
434 | /* | |
435 | * Standard parallel ports... | |
436 | */ | |
437 | ||
438 | for (i = 0; i < 10; i ++) | |
439 | { | |
440 | sprintf(device, "/dev/ecpp%d", i); | |
441 | if (access(device, 0) == 0) | |
442 | printf("direct parallel:%s \"Unknown\" \"Sun IEEE-1284 Parallel Port #%d\"\n", | |
443 | device, i + 1); | |
444 | } | |
445 | ||
446 | for (i = 0; i < 10; i ++) | |
447 | { | |
448 | sprintf(device, "/dev/bpp%d", i); | |
449 | if (access(device, 0) == 0) | |
450 | printf("direct parallel:%s \"Unknown\" \"Sun Standard Parallel Port #%d\"\n", | |
451 | device, i + 1); | |
452 | } | |
453 | ||
454 | for (i = 0; i < 3; i ++) | |
455 | { | |
456 | sprintf(device, "/dev/lp%d", i); | |
457 | ||
458 | if (access(device, 0) == 0) | |
459 | printf("direct parallel:%s \"Unknown\" \"PC Parallel Port #%d\"\n", | |
460 | device, i + 1); | |
461 | } | |
462 | ||
463 | /* | |
464 | * MAGMA parallel ports... | |
465 | */ | |
466 | ||
467 | for (i = 0; i < 40; i ++) | |
468 | { | |
469 | sprintf(device, "/dev/pm%02d", i); | |
470 | if (access(device, 0) == 0) | |
471 | printf("direct parallel:%s \"Unknown\" \"MAGMA Parallel Board #%d Port #%d\"\n", | |
472 | device, (i / 10) + 1, (i % 10) + 1); | |
473 | } | |
474 | ||
475 | /* | |
476 | * Central Data parallel ports... | |
477 | */ | |
478 | ||
479 | for (i = 0; i < 9; i ++) | |
480 | for (j = 0; j < 8; j ++) | |
481 | for (n = 0; n < 32; n ++) | |
482 | { | |
483 | if (i == 8) /* EtherLite */ | |
484 | sprintf(device, "/dev/sts/lpN%d%c", j, funky_hex[n]); | |
485 | else | |
486 | sprintf(device, "/dev/sts/lp%c%d%c", i + 'C', j, | |
487 | funky_hex[n]); | |
488 | ||
489 | if (access(device, 0) == 0) | |
490 | { | |
491 | if (i == 8) | |
492 | printf("direct parallel:%s \"Unknown\" \"Central Data EtherLite Parallel Port, ID %d, port %d\"\n", | |
493 | device, j, n); | |
494 | else | |
495 | printf("direct parallel:%s \"Unknown\" \"Central Data SCSI Parallel Port, logical bus %d, ID %d, port %d\"\n", | |
496 | device, i, j, n); | |
497 | } | |
498 | } | |
499 | #elif defined(__hpux) | |
500 | int i, j, n; /* Looping vars */ | |
501 | char device[255]; /* Device filename */ | |
502 | ||
503 | ||
504 | /* | |
505 | * Standard parallel ports... | |
506 | */ | |
507 | ||
508 | if (access("/dev/rlp", 0) == 0) | |
509 | puts("direct parallel:/dev/rlp \"Unknown\" \"Standard Parallel Port (/dev/rlp)\""); | |
510 | ||
511 | for (i = 0; i < 7; i ++) | |
512 | for (j = 0; j < 7; j ++) | |
513 | { | |
514 | sprintf(device, "/dev/c%dt%dd0_lp", i, j); | |
515 | if (access(device, 0) == 0) | |
516 | printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d,%d\"\n", | |
517 | device, i, j); | |
518 | } | |
519 | ||
520 | /* | |
521 | * Central Data parallel ports... | |
522 | */ | |
523 | ||
524 | for (i = 0; i < 9; i ++) | |
525 | for (j = 0; j < 8; j ++) | |
526 | for (n = 0; n < 32; n ++) | |
527 | { | |
528 | if (i == 8) /* EtherLite */ | |
529 | sprintf(device, "/dev/lpN%d%c", j, funky_hex[n]); | |
530 | else | |
531 | sprintf(device, "/dev/lp%c%d%c", i + 'C', j, | |
532 | funky_hex[n]); | |
533 | ||
534 | if (access(device, 0) == 0) | |
535 | { | |
536 | if (i == 8) | |
537 | printf("direct parallel:%s \"Unknown\" \"Central Data EtherLite Parallel Port, ID %d, port %d\"\n", | |
538 | device, j, n); | |
539 | else | |
540 | printf("direct parallel:%s \"Unknown\" \"Central Data SCSI Parallel Port, logical bus %d, ID %d, port %d\"\n", | |
541 | device, i, j, n); | |
542 | } | |
543 | } | |
544 | #elif defined(__osf__) | |
545 | int i; /* Looping var */ | |
546 | int fd; /* File descriptor */ | |
547 | char device[255]; /* Device filename */ | |
548 | ||
549 | ||
550 | for (i = 0; i < 3; i ++) | |
551 | { | |
552 | sprintf(device, "/dev/lp%d", i); | |
553 | if ((fd = open(device, O_WRONLY)) >= 0) | |
554 | { | |
555 | close(fd); | |
556 | printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d\"\n", device, i + 1); | |
557 | } | |
558 | } | |
b423cd4c | 559 | #elif defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__DragonFly__) |
ef416fc2 | 560 | int i; /* Looping var */ |
561 | int fd; /* File descriptor */ | |
562 | char device[255]; /* Device filename */ | |
563 | ||
564 | ||
565 | for (i = 0; i < 3; i ++) | |
566 | { | |
567 | sprintf(device, "/dev/lpt%d", i); | |
568 | if ((fd = open(device, O_WRONLY)) >= 0) | |
569 | { | |
570 | close(fd); | |
571 | printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d (interrupt-driven)\"\n", device, i + 1); | |
572 | } | |
573 | ||
574 | sprintf(device, "/dev/lpa%d", i); | |
575 | if ((fd = open(device, O_WRONLY)) >= 0) | |
576 | { | |
577 | close(fd); | |
578 | printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d (polled)\"\n", device, i + 1); | |
579 | } | |
580 | } | |
581 | #elif defined(_AIX) | |
582 | int i; /* Looping var */ | |
583 | int fd; /* File descriptor */ | |
584 | char device[255]; /* Device filename */ | |
585 | ||
586 | ||
587 | for (i = 0; i < 8; i ++) | |
588 | { | |
589 | sprintf(device, "/dev/lp%d", i); | |
590 | if ((fd = open(device, O_WRONLY)) >= 0) | |
591 | { | |
592 | close(fd); | |
593 | printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d\"\n", device, i + 1); | |
594 | } | |
595 | } | |
596 | #endif | |
597 | } | |
598 | ||
599 | ||
600 | /* | |
26d47ec6 | 601 | * End of "$Id: parallel.c 6068 2006-10-27 17:10:34Z mike $". |
ef416fc2 | 602 | */ |