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5a738aea | 329 | --></style> |
ef416fc2 | 330 | </head> |
331 | <body> | |
5a738aea MS |
332 | <div class='body'> |
333 | <!-- | |
8b450588 | 334 | "$Id: api-filedir.header 8087 2008-10-27 21:37:05Z mike $" |
5a738aea MS |
335 | |
336 | File and Directory API header for the Common UNIX Printing System (CUPS). | |
337 | ||
338 | Copyright 2008 by Apple Inc. | |
339 | ||
340 | These coded instructions, statements, and computer programs are the | |
341 | property of Apple Inc. and are protected by Federal copyright | |
342 | law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
343 | which should have been included with this file. If this file is | |
344 | file is missing or damaged, see the license at "http://www.cups.org/". | |
345 | --> | |
346 | ||
5a738aea MS |
347 | <div class='summary'><table summary='General Information'> |
348 | <thead> | |
349 | <tr> | |
350 | <th>Headers</th> | |
351 | <th>cups/file.h<br> | |
352 | cups/dir.h</th> | |
353 | </tr> | |
354 | </thead> | |
355 | <tbody> | |
356 | <tr> | |
357 | <th>Library</th> | |
358 | <td>-lcups</td> | |
359 | </tr> | |
360 | <tr> | |
361 | <th>See Also</th> | |
362 | <td>Programming: <a href='api-overview.html' target='_top'>Introduction to CUPS Programming</a><br> | |
363 | Programming: <a href='api-cups.html' target='_top'>CUPS API</a></td> | |
364 | </tr> | |
365 | </tbody> | |
366 | </table></div> | |
367 | <h2 class="title">Contents</h2> | |
368 | <ul class="contents"> | |
426c6a59 | 369 | <ul class="subcontents"> |
5a738aea MS |
370 | <li><a href="#OVERVIEW">Overview</a></li> |
371 | <li><a href="#FUNCTIONS">Functions</a><ul class="code"> | |
372 | <li><a href="#cupsDirClose" title="Close a directory.">cupsDirClose</a></li> | |
373 | <li><a href="#cupsDirOpen" title="Open a directory.">cupsDirOpen</a></li> | |
374 | <li><a href="#cupsDirRead" title="Read the next directory entry.">cupsDirRead</a></li> | |
375 | <li><a href="#cupsDirRewind" title="Rewind to the start of the directory.">cupsDirRewind</a></li> | |
376 | <li><a href="#cupsFileClose" title="Close a CUPS file.">cupsFileClose</a></li> | |
377 | <li><a href="#cupsFileCompression" title="Return whether a file is compressed.">cupsFileCompression</a></li> | |
378 | <li><a href="#cupsFileEOF" title="Return the end-of-file status.">cupsFileEOF</a></li> | |
379 | <li><a href="#cupsFileFind" title="Find a file using the specified path.">cupsFileFind</a></li> | |
380 | <li><a href="#cupsFileFlush" title="Flush pending output.">cupsFileFlush</a></li> | |
381 | <li><a href="#cupsFileGetChar" title="Get a single character from a file.">cupsFileGetChar</a></li> | |
382 | <li><a href="#cupsFileGetConf" title="Get a line from a configuration file...">cupsFileGetConf</a></li> | |
383 | <li><a href="#cupsFileGetLine" title="Get a CR and/or LF-terminated line that may | |
384 | contain binary data.">cupsFileGetLine</a></li> | |
385 | <li><a href="#cupsFileGets" title="Get a CR and/or LF-terminated line.">cupsFileGets</a></li> | |
386 | <li><a href="#cupsFileLock" title="Temporarily lock access to a file.">cupsFileLock</a></li> | |
387 | <li><a href="#cupsFileNumber" title="Return the file descriptor associated with a CUPS file.">cupsFileNumber</a></li> | |
388 | <li><a href="#cupsFileOpen" title="Open a CUPS file.">cupsFileOpen</a></li> | |
389 | <li><a href="#cupsFileOpenFd" title="Open a CUPS file using a file descriptor.">cupsFileOpenFd</a></li> | |
390 | <li><a href="#cupsFilePeekChar" title="Peek at the next character from a file.">cupsFilePeekChar</a></li> | |
391 | <li><a href="#cupsFilePrintf" title="Write a formatted string.">cupsFilePrintf</a></li> | |
392 | <li><a href="#cupsFilePutChar" title="Write a character.">cupsFilePutChar</a></li> | |
758a062f | 393 | <li><a href="#cupsFilePutConf" title="Write a configuration line.">cupsFilePutConf</a></li> |
5a738aea MS |
394 | <li><a href="#cupsFilePuts" title="Write a string.">cupsFilePuts</a></li> |
395 | <li><a href="#cupsFileRead" title="Read from a file.">cupsFileRead</a></li> | |
396 | <li><a href="#cupsFileRewind" title="Set the current file position to the beginning of the | |
397 | file.">cupsFileRewind</a></li> | |
398 | <li><a href="#cupsFileSeek" title="Seek in a file.">cupsFileSeek</a></li> | |
399 | <li><a href="#cupsFileStderr" title="Return a CUPS file associated with stderr.">cupsFileStderr</a></li> | |
400 | <li><a href="#cupsFileStdin" title="Return a CUPS file associated with stdin.">cupsFileStdin</a></li> | |
401 | <li><a href="#cupsFileStdout" title="Return a CUPS file associated with stdout.">cupsFileStdout</a></li> | |
402 | <li><a href="#cupsFileTell" title="Return the current file position.">cupsFileTell</a></li> | |
403 | <li><a href="#cupsFileUnlock" title="Unlock access to a file.">cupsFileUnlock</a></li> | |
404 | <li><a href="#cupsFileWrite" title="Write to a file.">cupsFileWrite</a></li> | |
8b450588 | 405 | </ul></li> |
5a738aea MS |
406 | <li><a href="#TYPES">Data Types</a><ul class="code"> |
407 | <li><a href="#cups_dentry_t" title="Directory entry type">cups_dentry_t</a></li> | |
408 | <li><a href="#cups_dir_t" title="Directory type">cups_dir_t</a></li> | |
409 | <li><a href="#cups_file_t" title="CUPS file type">cups_file_t</a></li> | |
410 | </ul></li> | |
411 | <li><a href="#STRUCTURES">Structures</a><ul class="code"> | |
412 | <li><a href="#cups_dentry_s" title="Directory entry type">cups_dentry_s</a></li> | |
413 | </ul></li> | |
ef416fc2 | 414 | <!-- |
5a738aea | 415 | "$Id: api-filedir.shtml 7279 2008-01-31 01:50:44Z mike $" |
ef416fc2 | 416 | |
417 | File and directory API introduction for the Common UNIX Printing System (CUPS). | |
418 | ||
5a738aea | 419 | Copyright 2007-2008 by Apple Inc. |
bc44d920 | 420 | Copyright 1997-2005 by Easy Software Products, all rights reserved. |
ef416fc2 | 421 | |
422 | These coded instructions, statements, and computer programs are the | |
bc44d920 | 423 | property of Apple Inc. and are protected by Federal copyright |
424 | law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
425 | which should have been included with this file. If this file is | |
426 | file is missing or damaged, see the license at "http://www.cups.org/". | |
ef416fc2 | 427 | --> |
428 | ||
5a738aea | 429 | <h2 class='title'><a name="OVERVIEW">Overview</a></h2> |
ef416fc2 | 430 | |
431 | <p>The CUPS file and directory APIs provide portable interfaces | |
432 | for manipulating files and listing files and directories. Unlike | |
5a738aea | 433 | stdio <code>FILE</code> streams, the <code>cupsFile</code> functions |
ef416fc2 | 434 | allow you to open more than 256 files at any given time. They |
435 | also manage the platform-specific details of locking, large file | |
436 | support, line endings (CR, LF, or CR LF), and reading and writing | |
437 | files using Flate ("gzip") compression. Finally, you can also | |
438 | connect, read from, and write to network connections using the | |
5a738aea | 439 | <code>cupsFile</code> functions.</p> |
ef416fc2 | 440 | |
5a738aea | 441 | <p>The <code>cupsDir</code> functions manage the platform-specific |
ef416fc2 | 442 | details of directory access/listing and provide a convenient way |
443 | to get both a list of files and the information (permissions, | |
444 | size, timestamp, etc.) for each of those files.</p> | |
5a738aea | 445 | <h2 class="title"><a name="FUNCTIONS">Functions</a></h2> |
426c6a59 | 446 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsDirClose">cupsDirClose</a></h3> |
5a738aea MS |
447 | <p class="description">Close a directory.</p> |
448 | <p class="code"> | |
449 | void cupsDirClose (<br> | |
450 | <a href="#cups_dir_t">cups_dir_t</a> *dp<br> | |
451 | );</p> | |
452 | <h4 class="parameters">Parameters</h4> | |
453 | <dl> | |
454 | <dt>dp</dt> | |
455 | <dd class="description">Directory pointer</dd> | |
456 | </dl> | |
426c6a59 | 457 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsDirOpen">cupsDirOpen</a></h3> |
5a738aea MS |
458 | <p class="description">Open a directory.</p> |
459 | <p class="code"> | |
460 | <a href="#cups_dir_t">cups_dir_t</a> *cupsDirOpen (<br> | |
461 | const char *directory<br> | |
462 | );</p> | |
463 | <h4 class="parameters">Parameters</h4> | |
464 | <dl> | |
465 | <dt>directory</dt> | |
466 | <dd class="description">Directory name</dd> | |
467 | </dl> | |
468 | <h4 class="returnvalue">Return Value</h4> | |
469 | <p class="description">Directory pointer or <code>NULL</code> if the directory could not be opened.</p> | |
426c6a59 | 470 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsDirRead">cupsDirRead</a></h3> |
5a738aea MS |
471 | <p class="description">Read the next directory entry.</p> |
472 | <p class="code"> | |
473 | <a href="#cups_dentry_t">cups_dentry_t</a> *cupsDirRead (<br> | |
474 | <a href="#cups_dir_t">cups_dir_t</a> *dp<br> | |
475 | );</p> | |
476 | <h4 class="parameters">Parameters</h4> | |
477 | <dl> | |
478 | <dt>dp</dt> | |
479 | <dd class="description">Directory pointer</dd> | |
480 | </dl> | |
481 | <h4 class="returnvalue">Return Value</h4> | |
482 | <p class="description">Directory entry or <code>NULL</code> when there are no more</p> | |
426c6a59 | 483 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsDirRewind">cupsDirRewind</a></h3> |
5a738aea MS |
484 | <p class="description">Rewind to the start of the directory.</p> |
485 | <p class="code"> | |
486 | void cupsDirRewind (<br> | |
487 | <a href="#cups_dir_t">cups_dir_t</a> *dp<br> | |
488 | );</p> | |
489 | <h4 class="parameters">Parameters</h4> | |
490 | <dl> | |
491 | <dt>dp</dt> | |
492 | <dd class="description">Directory pointer</dd> | |
493 | </dl> | |
426c6a59 | 494 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileClose">cupsFileClose</a></h3> |
5a738aea MS |
495 | <p class="description">Close a CUPS file.</p> |
496 | <p class="code"> | |
497 | int cupsFileClose (<br> | |
498 | <a href="#cups_file_t">cups_file_t</a> *fp<br> | |
499 | );</p> | |
500 | <h4 class="parameters">Parameters</h4> | |
501 | <dl> | |
502 | <dt>fp</dt> | |
503 | <dd class="description">CUPS file</dd> | |
504 | </dl> | |
505 | <h4 class="returnvalue">Return Value</h4> | |
506 | <p class="description">0 on success, -1 on error</p> | |
426c6a59 | 507 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileCompression">cupsFileCompression</a></h3> |
5a738aea MS |
508 | <p class="description">Return whether a file is compressed.</p> |
509 | <p class="code"> | |
510 | int cupsFileCompression (<br> | |
511 | <a href="#cups_file_t">cups_file_t</a> *fp<br> | |
512 | );</p> | |
513 | <h4 class="parameters">Parameters</h4> | |
514 | <dl> | |
515 | <dt>fp</dt> | |
516 | <dd class="description">CUPS file</dd> | |
517 | </dl> | |
518 | <h4 class="returnvalue">Return Value</h4> | |
519 | <p class="description"><code>CUPS_FILE_NONE</code> or <code>CUPS_FILE_GZIP</code></p> | |
426c6a59 | 520 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileEOF">cupsFileEOF</a></h3> |
5a738aea MS |
521 | <p class="description">Return the end-of-file status.</p> |
522 | <p class="code"> | |
523 | int cupsFileEOF (<br> | |
524 | <a href="#cups_file_t">cups_file_t</a> *fp<br> | |
525 | );</p> | |
526 | <h4 class="parameters">Parameters</h4> | |
527 | <dl> | |
528 | <dt>fp</dt> | |
529 | <dd class="description">CUPS file</dd> | |
530 | </dl> | |
531 | <h4 class="returnvalue">Return Value</h4> | |
532 | <p class="description">1 on end of file, 0 otherwise</p> | |
426c6a59 | 533 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileFind">cupsFileFind</a></h3> |
5a738aea MS |
534 | <p class="description">Find a file using the specified path.</p> |
535 | <p class="code"> | |
536 | const char *cupsFileFind (<br> | |
537 | const char *filename,<br> | |
538 | const char *path,<br> | |
539 | int executable,<br> | |
540 | char *buffer,<br> | |
541 | int bufsize<br> | |
542 | );</p> | |
543 | <h4 class="parameters">Parameters</h4> | |
544 | <dl> | |
545 | <dt>filename</dt> | |
546 | <dd class="description">File to find</dd> | |
547 | <dt>path</dt> | |
548 | <dd class="description">Colon/semicolon-separated path</dd> | |
549 | <dt>executable</dt> | |
550 | <dd class="description">1 = executable files, 0 = any file/dir</dd> | |
551 | <dt>buffer</dt> | |
552 | <dd class="description">Filename buffer</dd> | |
553 | <dt>bufsize</dt> | |
554 | <dd class="description">Size of filename buffer</dd> | |
555 | </dl> | |
556 | <h4 class="returnvalue">Return Value</h4> | |
557 | <p class="description">Full path to file or <code>NULL</code> if not found</p> | |
558 | <h4 class="discussion">Discussion</h4> | |
559 | <p class="discussion">This function allows the paths in the path string to be separated by | |
560 | colons (UNIX standard) or semicolons (Windows standard) and stores the | |
561 | result in the buffer supplied. If the file cannot be found in any of | |
562 | the supplied paths, <code>NULL</code> is returned. A <code>NULL</code> path only | |
563 | matches the current directory. | |
ef416fc2 | 564 | |
5a738aea | 565 | </p> |
426c6a59 | 566 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileFlush">cupsFileFlush</a></h3> |
5a738aea MS |
567 | <p class="description">Flush pending output.</p> |
568 | <p class="code"> | |
569 | int cupsFileFlush (<br> | |
570 | <a href="#cups_file_t">cups_file_t</a> *fp<br> | |
571 | );</p> | |
572 | <h4 class="parameters">Parameters</h4> | |
573 | <dl> | |
574 | <dt>fp</dt> | |
575 | <dd class="description">CUPS file</dd> | |
576 | </dl> | |
577 | <h4 class="returnvalue">Return Value</h4> | |
578 | <p class="description">0 on success, -1 on error</p> | |
426c6a59 | 579 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileGetChar">cupsFileGetChar</a></h3> |
5a738aea MS |
580 | <p class="description">Get a single character from a file.</p> |
581 | <p class="code"> | |
582 | int cupsFileGetChar (<br> | |
583 | <a href="#cups_file_t">cups_file_t</a> *fp<br> | |
584 | );</p> | |
585 | <h4 class="parameters">Parameters</h4> | |
586 | <dl> | |
587 | <dt>fp</dt> | |
588 | <dd class="description">CUPS file</dd> | |
589 | </dl> | |
590 | <h4 class="returnvalue">Return Value</h4> | |
591 | <p class="description">Character or -1 on end of file</p> | |
426c6a59 | 592 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileGetConf">cupsFileGetConf</a></h3> |
5a738aea MS |
593 | <p class="description">Get a line from a configuration file...</p> |
594 | <p class="code"> | |
595 | char *cupsFileGetConf (<br> | |
596 | <a href="#cups_file_t">cups_file_t</a> *fp,<br> | |
597 | char *buf,<br> | |
598 | size_t buflen,<br> | |
599 | char **value,<br> | |
600 | int *linenum<br> | |
601 | );</p> | |
602 | <h4 class="parameters">Parameters</h4> | |
603 | <dl> | |
604 | <dt>fp</dt> | |
605 | <dd class="description">CUPS file</dd> | |
606 | <dt>buf</dt> | |
607 | <dd class="description">String buffer</dd> | |
608 | <dt>buflen</dt> | |
609 | <dd class="description">Size of string buffer</dd> | |
610 | <dt>value</dt> | |
611 | <dd class="description">Pointer to value</dd> | |
612 | <dt>linenum</dt> | |
613 | <dd class="description">Current line number</dd> | |
614 | </dl> | |
615 | <h4 class="returnvalue">Return Value</h4> | |
616 | <p class="description">Line read or <code>NULL</code> on end of file or error</p> | |
426c6a59 | 617 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileGetLine">cupsFileGetLine</a></h3> |
5a738aea MS |
618 | <p class="description">Get a CR and/or LF-terminated line that may |
619 | contain binary data.</p> | |
620 | <p class="code"> | |
621 | size_t cupsFileGetLine (<br> | |
622 | <a href="#cups_file_t">cups_file_t</a> *fp,<br> | |
623 | char *buf,<br> | |
624 | size_t buflen<br> | |
625 | );</p> | |
626 | <h4 class="parameters">Parameters</h4> | |
627 | <dl> | |
628 | <dt>fp</dt> | |
629 | <dd class="description">File to read from</dd> | |
630 | <dt>buf</dt> | |
631 | <dd class="description">Buffer</dd> | |
632 | <dt>buflen</dt> | |
633 | <dd class="description">Size of buffer</dd> | |
634 | </dl> | |
635 | <h4 class="returnvalue">Return Value</h4> | |
636 | <p class="description">Number of bytes on line or 0 on end of file</p> | |
637 | <h4 class="discussion">Discussion</h4> | |
638 | <p class="discussion">This function differs from <a href="#cupsFileGets"><code>cupsFileGets</code></a> in that the trailing CR | |
639 | and LF are preserved, as is any binary data on the line. The buffer is | |
640 | nul-terminated, however you should use the returned length to determine | |
641 | the number of bytes on the line. | |
ef416fc2 | 642 | |
5a738aea | 643 | </p> |
426c6a59 | 644 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileGets">cupsFileGets</a></h3> |
5a738aea MS |
645 | <p class="description">Get a CR and/or LF-terminated line.</p> |
646 | <p class="code"> | |
647 | char *cupsFileGets (<br> | |
648 | <a href="#cups_file_t">cups_file_t</a> *fp,<br> | |
649 | char *buf,<br> | |
650 | size_t buflen<br> | |
651 | );</p> | |
652 | <h4 class="parameters">Parameters</h4> | |
653 | <dl> | |
654 | <dt>fp</dt> | |
655 | <dd class="description">CUPS file</dd> | |
656 | <dt>buf</dt> | |
657 | <dd class="description">String buffer</dd> | |
658 | <dt>buflen</dt> | |
659 | <dd class="description">Size of string buffer</dd> | |
660 | </dl> | |
661 | <h4 class="returnvalue">Return Value</h4> | |
662 | <p class="description">Line read or <code>NULL</code> on end of file or error</p> | |
426c6a59 | 663 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileLock">cupsFileLock</a></h3> |
5a738aea MS |
664 | <p class="description">Temporarily lock access to a file.</p> |
665 | <p class="code"> | |
666 | int cupsFileLock (<br> | |
667 | <a href="#cups_file_t">cups_file_t</a> *fp,<br> | |
668 | int block<br> | |
669 | );</p> | |
670 | <h4 class="parameters">Parameters</h4> | |
671 | <dl> | |
672 | <dt>fp</dt> | |
673 | <dd class="description">CUPS file</dd> | |
674 | <dt>block</dt> | |
675 | <dd class="description">1 to wait for the lock, 0 to fail right away</dd> | |
676 | </dl> | |
677 | <h4 class="returnvalue">Return Value</h4> | |
678 | <p class="description">0 on success, -1 on error</p> | |
426c6a59 | 679 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileNumber">cupsFileNumber</a></h3> |
5a738aea MS |
680 | <p class="description">Return the file descriptor associated with a CUPS file.</p> |
681 | <p class="code"> | |
682 | int cupsFileNumber (<br> | |
683 | <a href="#cups_file_t">cups_file_t</a> *fp<br> | |
684 | );</p> | |
685 | <h4 class="parameters">Parameters</h4> | |
686 | <dl> | |
687 | <dt>fp</dt> | |
688 | <dd class="description">CUPS file</dd> | |
689 | </dl> | |
690 | <h4 class="returnvalue">Return Value</h4> | |
691 | <p class="description">File descriptor</p> | |
426c6a59 | 692 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileOpen">cupsFileOpen</a></h3> |
5a738aea MS |
693 | <p class="description">Open a CUPS file.</p> |
694 | <p class="code"> | |
695 | <a href="#cups_file_t">cups_file_t</a> *cupsFileOpen (<br> | |
696 | const char *filename,<br> | |
697 | const char *mode<br> | |
698 | );</p> | |
699 | <h4 class="parameters">Parameters</h4> | |
700 | <dl> | |
701 | <dt>filename</dt> | |
702 | <dd class="description">Name of file</dd> | |
703 | <dt>mode</dt> | |
704 | <dd class="description">Open mode</dd> | |
705 | </dl> | |
706 | <h4 class="returnvalue">Return Value</h4> | |
707 | <p class="description">CUPS file or <code>NULL</code> if the file or socket cannot be opened</p> | |
708 | <h4 class="discussion">Discussion</h4> | |
709 | <p class="discussion">The "mode" parameter can be "r" to read, "w" to write, overwriting any | |
710 | existing file, "a" to append to an existing file or create a new file, | |
711 | or "s" to open a socket connection.<br> | |
712 | <br> | |
7a14d768 MS |
713 | When opening for writing ("w"), an optional number from 1 to 9 can be |
714 | supplied which enables Flate compression of the file. Compression is | |
715 | not supported for the "a" (append) mode.<br> | |
5a738aea MS |
716 | <br> |
717 | When opening a socket connection, the filename is a string of the form | |
718 | "address:port" or "hostname:port". The socket will make an IPv4 or IPv6 | |
719 | connection as needed, generally preferring IPv6 connections when there is | |
720 | a choice. | |
ef416fc2 | 721 | |
5a738aea | 722 | </p> |
426c6a59 | 723 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileOpenFd">cupsFileOpenFd</a></h3> |
5a738aea MS |
724 | <p class="description">Open a CUPS file using a file descriptor.</p> |
725 | <p class="code"> | |
726 | <a href="#cups_file_t">cups_file_t</a> *cupsFileOpenFd (<br> | |
727 | int fd,<br> | |
728 | const char *mode<br> | |
729 | );</p> | |
730 | <h4 class="parameters">Parameters</h4> | |
731 | <dl> | |
732 | <dt>fd</dt> | |
733 | <dd class="description">File descriptor</dd> | |
734 | <dt>mode</dt> | |
735 | <dd class="description">Open mode</dd> | |
736 | </dl> | |
737 | <h4 class="returnvalue">Return Value</h4> | |
738 | <p class="description">CUPS file or <code>NULL</code> if the file could not be opened</p> | |
739 | <h4 class="discussion">Discussion</h4> | |
7a14d768 MS |
740 | <p class="discussion">The "mode" parameter can be "r" to read, "w" to write, "a" to append, |
741 | or "s" to treat the file descriptor as a bidirectional socket connection.<br> | |
5a738aea | 742 | <br> |
7a14d768 MS |
743 | When opening for writing ("w"), an optional number from 1 to 9 can be |
744 | supplied which enables Flate compression of the file. Compression is | |
745 | not supported for the "a" (append) mode. | |
ef416fc2 | 746 | |
5a738aea | 747 | </p> |
426c6a59 | 748 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFilePeekChar">cupsFilePeekChar</a></h3> |
5a738aea MS |
749 | <p class="description">Peek at the next character from a file.</p> |
750 | <p class="code"> | |
751 | int cupsFilePeekChar (<br> | |
752 | <a href="#cups_file_t">cups_file_t</a> *fp<br> | |
753 | );</p> | |
754 | <h4 class="parameters">Parameters</h4> | |
755 | <dl> | |
756 | <dt>fp</dt> | |
757 | <dd class="description">CUPS file</dd> | |
758 | </dl> | |
759 | <h4 class="returnvalue">Return Value</h4> | |
760 | <p class="description">Character or -1 on end of file</p> | |
426c6a59 | 761 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFilePrintf">cupsFilePrintf</a></h3> |
5a738aea MS |
762 | <p class="description">Write a formatted string.</p> |
763 | <p class="code"> | |
764 | int cupsFilePrintf (<br> | |
765 | <a href="#cups_file_t">cups_file_t</a> *fp,<br> | |
766 | const char *format,<br> | |
767 | ...<br> | |
768 | );</p> | |
769 | <h4 class="parameters">Parameters</h4> | |
770 | <dl> | |
771 | <dt>fp</dt> | |
772 | <dd class="description">CUPS file</dd> | |
773 | <dt>format</dt> | |
774 | <dd class="description">Printf-style format string</dd> | |
775 | <dt>...</dt> | |
776 | <dd class="description">Additional args as necessary</dd> | |
777 | </dl> | |
778 | <h4 class="returnvalue">Return Value</h4> | |
779 | <p class="description">Number of bytes written or -1 on error</p> | |
426c6a59 | 780 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFilePutChar">cupsFilePutChar</a></h3> |
5a738aea MS |
781 | <p class="description">Write a character.</p> |
782 | <p class="code"> | |
783 | int cupsFilePutChar (<br> | |
784 | <a href="#cups_file_t">cups_file_t</a> *fp,<br> | |
785 | int c<br> | |
786 | );</p> | |
787 | <h4 class="parameters">Parameters</h4> | |
788 | <dl> | |
789 | <dt>fp</dt> | |
790 | <dd class="description">CUPS file</dd> | |
791 | <dt>c</dt> | |
792 | <dd class="description">Character to write</dd> | |
793 | </dl> | |
794 | <h4 class="returnvalue">Return Value</h4> | |
795 | <p class="description">0 on success, -1 on error</p> | |
758a062f MS |
796 | <h3 class="function"><span class="info"> CUPS 1.4 </span><a name="cupsFilePutConf">cupsFilePutConf</a></h3> |
797 | <p class="description">Write a configuration line.</p> | |
798 | <p class="code"> | |
799 | ssize_t cupsFilePutConf (<br> | |
800 | <a href="#cups_file_t">cups_file_t</a> *fp,<br> | |
801 | const char *directive,<br> | |
802 | const char *value<br> | |
803 | );</p> | |
804 | <h4 class="parameters">Parameters</h4> | |
805 | <dl> | |
806 | <dt>fp</dt> | |
807 | <dd class="description">CUPS file</dd> | |
808 | <dt>directive</dt> | |
809 | <dd class="description">Directive</dd> | |
810 | <dt>value</dt> | |
811 | <dd class="description">Value</dd> | |
812 | </dl> | |
813 | <h4 class="returnvalue">Return Value</h4> | |
814 | <p class="description">Number of bytes written or -1 on error</p> | |
815 | <h4 class="discussion">Discussion</h4> | |
816 | <p class="discussion">This function handles any comment escaping of the value. | |
817 | ||
818 | </p> | |
426c6a59 | 819 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFilePuts">cupsFilePuts</a></h3> |
5a738aea MS |
820 | <p class="description">Write a string.</p> |
821 | <p class="code"> | |
822 | int cupsFilePuts (<br> | |
823 | <a href="#cups_file_t">cups_file_t</a> *fp,<br> | |
824 | const char *s<br> | |
825 | );</p> | |
826 | <h4 class="parameters">Parameters</h4> | |
827 | <dl> | |
828 | <dt>fp</dt> | |
829 | <dd class="description">CUPS file</dd> | |
830 | <dt>s</dt> | |
831 | <dd class="description">String to write</dd> | |
832 | </dl> | |
833 | <h4 class="returnvalue">Return Value</h4> | |
834 | <p class="description">Number of bytes written or -1 on error</p> | |
835 | <h4 class="discussion">Discussion</h4> | |
836 | <p class="discussion">Like the <code>fputs</code> function, no newline is appended to the string. | |
ef416fc2 | 837 | |
5a738aea | 838 | </p> |
426c6a59 | 839 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileRead">cupsFileRead</a></h3> |
5a738aea MS |
840 | <p class="description">Read from a file.</p> |
841 | <p class="code"> | |
842 | ssize_t cupsFileRead (<br> | |
843 | <a href="#cups_file_t">cups_file_t</a> *fp,<br> | |
844 | char *buf,<br> | |
845 | size_t bytes<br> | |
846 | );</p> | |
847 | <h4 class="parameters">Parameters</h4> | |
848 | <dl> | |
849 | <dt>fp</dt> | |
850 | <dd class="description">CUPS file</dd> | |
851 | <dt>buf</dt> | |
852 | <dd class="description">Buffer</dd> | |
853 | <dt>bytes</dt> | |
854 | <dd class="description">Number of bytes to read</dd> | |
855 | </dl> | |
856 | <h4 class="returnvalue">Return Value</h4> | |
857 | <p class="description">Number of bytes read or -1 on error</p> | |
426c6a59 | 858 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileRewind">cupsFileRewind</a></h3> |
5a738aea MS |
859 | <p class="description">Set the current file position to the beginning of the |
860 | file.</p> | |
861 | <p class="code"> | |
862 | off_t cupsFileRewind (<br> | |
863 | <a href="#cups_file_t">cups_file_t</a> *fp<br> | |
864 | );</p> | |
865 | <h4 class="parameters">Parameters</h4> | |
866 | <dl> | |
867 | <dt>fp</dt> | |
868 | <dd class="description">CUPS file</dd> | |
869 | </dl> | |
870 | <h4 class="returnvalue">Return Value</h4> | |
871 | <p class="description">New file position or -1 on error</p> | |
426c6a59 | 872 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileSeek">cupsFileSeek</a></h3> |
5a738aea MS |
873 | <p class="description">Seek in a file.</p> |
874 | <p class="code"> | |
875 | off_t cupsFileSeek (<br> | |
876 | <a href="#cups_file_t">cups_file_t</a> *fp,<br> | |
877 | off_t pos<br> | |
878 | );</p> | |
879 | <h4 class="parameters">Parameters</h4> | |
880 | <dl> | |
881 | <dt>fp</dt> | |
882 | <dd class="description">CUPS file</dd> | |
883 | <dt>pos</dt> | |
884 | <dd class="description">Position in file</dd> | |
885 | </dl> | |
886 | <h4 class="returnvalue">Return Value</h4> | |
887 | <p class="description">New file position or -1 on error</p> | |
426c6a59 | 888 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileStderr">cupsFileStderr</a></h3> |
5a738aea MS |
889 | <p class="description">Return a CUPS file associated with stderr.</p> |
890 | <p class="code"> | |
891 | <a href="#cups_file_t">cups_file_t</a> *cupsFileStderr (void);</p> | |
892 | <h4 class="returnvalue">Return Value</h4> | |
893 | <p class="description">CUPS file</p> | |
426c6a59 | 894 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileStdin">cupsFileStdin</a></h3> |
5a738aea MS |
895 | <p class="description">Return a CUPS file associated with stdin.</p> |
896 | <p class="code"> | |
897 | <a href="#cups_file_t">cups_file_t</a> *cupsFileStdin (void);</p> | |
898 | <h4 class="returnvalue">Return Value</h4> | |
899 | <p class="description">CUPS file</p> | |
426c6a59 | 900 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileStdout">cupsFileStdout</a></h3> |
5a738aea MS |
901 | <p class="description">Return a CUPS file associated with stdout.</p> |
902 | <p class="code"> | |
903 | <a href="#cups_file_t">cups_file_t</a> *cupsFileStdout (void);</p> | |
904 | <h4 class="returnvalue">Return Value</h4> | |
905 | <p class="description">CUPS file</p> | |
426c6a59 | 906 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileTell">cupsFileTell</a></h3> |
5a738aea MS |
907 | <p class="description">Return the current file position.</p> |
908 | <p class="code"> | |
909 | off_t cupsFileTell (<br> | |
910 | <a href="#cups_file_t">cups_file_t</a> *fp<br> | |
911 | );</p> | |
912 | <h4 class="parameters">Parameters</h4> | |
913 | <dl> | |
914 | <dt>fp</dt> | |
915 | <dd class="description">CUPS file</dd> | |
916 | </dl> | |
917 | <h4 class="returnvalue">Return Value</h4> | |
918 | <p class="description">File position</p> | |
426c6a59 | 919 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileUnlock">cupsFileUnlock</a></h3> |
5a738aea MS |
920 | <p class="description">Unlock access to a file.</p> |
921 | <p class="code"> | |
922 | int cupsFileUnlock (<br> | |
923 | <a href="#cups_file_t">cups_file_t</a> *fp<br> | |
924 | );</p> | |
925 | <h4 class="parameters">Parameters</h4> | |
926 | <dl> | |
927 | <dt>fp</dt> | |
928 | <dd class="description">CUPS file</dd> | |
929 | </dl> | |
930 | <h4 class="returnvalue">Return Value</h4> | |
931 | <p class="description">0 on success, -1 on error</p> | |
426c6a59 | 932 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileWrite">cupsFileWrite</a></h3> |
5a738aea MS |
933 | <p class="description">Write to a file.</p> |
934 | <p class="code"> | |
935 | ssize_t cupsFileWrite (<br> | |
936 | <a href="#cups_file_t">cups_file_t</a> *fp,<br> | |
937 | const char *buf,<br> | |
938 | size_t bytes<br> | |
939 | );</p> | |
940 | <h4 class="parameters">Parameters</h4> | |
941 | <dl> | |
942 | <dt>fp</dt> | |
943 | <dd class="description">CUPS file</dd> | |
944 | <dt>buf</dt> | |
945 | <dd class="description">Buffer</dd> | |
946 | <dt>bytes</dt> | |
947 | <dd class="description">Number of bytes to write</dd> | |
948 | </dl> | |
949 | <h4 class="returnvalue">Return Value</h4> | |
950 | <p class="description">Number of bytes written or -1 on error</p> | |
951 | <h2 class="title"><a name="TYPES">Data Types</a></h2> | |
952 | <h3 class="typedef"><a name="cups_dentry_t">cups_dentry_t</a></h3> | |
953 | <p class="description">Directory entry type</p> | |
954 | <p class="code"> | |
955 | typedef struct <a href="#cups_dentry_s">cups_dentry_s</a> cups_dentry_t; | |
956 | </p> | |
957 | <h3 class="typedef"><a name="cups_dir_t">cups_dir_t</a></h3> | |
958 | <p class="description">Directory type</p> | |
959 | <p class="code"> | |
ef416fc2 | 960 | typedef struct _cups_dir_s cups_dir_t; |
5a738aea MS |
961 | </p> |
962 | <h3 class="typedef"><a name="cups_file_t">cups_file_t</a></h3> | |
963 | <p class="description">CUPS file type</p> | |
964 | <p class="code"> | |
ef416fc2 | 965 | typedef struct _cups_file_s cups_file_t; |
5a738aea MS |
966 | </p> |
967 | <h2 class="title"><a name="STRUCTURES">Structures</a></h2> | |
968 | <h3 class="struct"><a name="cups_dentry_s">cups_dentry_s</a></h3> | |
969 | <p class="description">Directory entry type</p> | |
970 | <p class="code">struct cups_dentry_s {<br> | |
971 | struct stat fileinfo;<br> | |
972 | char filename[260];<br> | |
973 | };</p> | |
974 | <h4 class="members">Members</h4> | |
975 | <dl> | |
976 | <dt>fileinfo </dt> | |
977 | <dd class="description">File information</dd> | |
978 | <dt>filename[260] </dt> | |
979 | <dd class="description">File name</dd> | |
980 | </dl> | |
981 | </div> | |
ef416fc2 | 982 | </body> |
983 | </html> |