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5a738aea | 339 | --></style> |
ef416fc2 | 340 | </head> |
341 | <body> | |
5a738aea MS |
342 | <div class='body'> |
343 | <!-- | |
68b10830 | 344 | "$Id$" |
5a738aea MS |
345 | |
346 | File and Directory API header for the Common UNIX Printing System (CUPS). | |
347 | ||
178cb736 | 348 | Copyright 2008-2009 by Apple Inc. |
5a738aea MS |
349 | |
350 | These coded instructions, statements, and computer programs are the | |
351 | property of Apple Inc. and are protected by Federal copyright | |
352 | law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
353 | which should have been included with this file. If this file is | |
354 | file is missing or damaged, see the license at "http://www.cups.org/". | |
355 | --> | |
356 | ||
178cb736 MS |
357 | <h1 class='title'>File and Directory APIs</h1> |
358 | ||
5a738aea MS |
359 | <div class='summary'><table summary='General Information'> |
360 | <thead> | |
361 | <tr> | |
362 | <th>Headers</th> | |
363 | <th>cups/file.h<br> | |
364 | cups/dir.h</th> | |
365 | </tr> | |
366 | </thead> | |
367 | <tbody> | |
368 | <tr> | |
369 | <th>Library</th> | |
370 | <td>-lcups</td> | |
371 | </tr> | |
372 | <tr> | |
373 | <th>See Also</th> | |
374 | <td>Programming: <a href='api-overview.html' target='_top'>Introduction to CUPS Programming</a><br> | |
375 | Programming: <a href='api-cups.html' target='_top'>CUPS API</a></td> | |
376 | </tr> | |
377 | </tbody> | |
378 | </table></div> | |
379 | <h2 class="title">Contents</h2> | |
380 | <ul class="contents"> | |
5a738aea MS |
381 | <li><a href="#OVERVIEW">Overview</a></li> |
382 | <li><a href="#FUNCTIONS">Functions</a><ul class="code"> | |
0268488e MS |
383 | <li><a href="#cupsDirClose" title="Close a directory.">cupsDirClose</a></li> |
384 | <li><a href="#cupsDirOpen" title="Open a directory.">cupsDirOpen</a></li> | |
385 | <li><a href="#cupsDirRead" title="Read the next directory entry.">cupsDirRead</a></li> | |
386 | <li><a href="#cupsDirRewind" title="Rewind to the start of the directory.">cupsDirRewind</a></li> | |
387 | <li><a href="#cupsFileClose" title="Close a CUPS file.">cupsFileClose</a></li> | |
388 | <li><a href="#cupsFileCompression" title="Return whether a file is compressed.">cupsFileCompression</a></li> | |
389 | <li><a href="#cupsFileEOF" title="Return the end-of-file status.">cupsFileEOF</a></li> | |
390 | <li><a href="#cupsFileFind" title="Find a file using the specified path.">cupsFileFind</a></li> | |
391 | <li><a href="#cupsFileFlush" title="Flush pending output.">cupsFileFlush</a></li> | |
392 | <li><a href="#cupsFileGetChar" title="Get a single character from a file.">cupsFileGetChar</a></li> | |
22c9029b | 393 | <li><a href="#cupsFileGetConf" title="Get a line from a configuration file.">cupsFileGetConf</a></li> |
0268488e | 394 | <li><a href="#cupsFileGetLine" title="Get a CR and/or LF-terminated line that may |
5a738aea | 395 | contain binary data.">cupsFileGetLine</a></li> |
0268488e MS |
396 | <li><a href="#cupsFileGets" title="Get a CR and/or LF-terminated line.">cupsFileGets</a></li> |
397 | <li><a href="#cupsFileLock" title="Temporarily lock access to a file.">cupsFileLock</a></li> | |
398 | <li><a href="#cupsFileNumber" title="Return the file descriptor associated with a CUPS file.">cupsFileNumber</a></li> | |
399 | <li><a href="#cupsFileOpen" title="Open a CUPS file.">cupsFileOpen</a></li> | |
400 | <li><a href="#cupsFileOpenFd" title="Open a CUPS file using a file descriptor.">cupsFileOpenFd</a></li> | |
401 | <li><a href="#cupsFilePeekChar" title="Peek at the next character from a file.">cupsFilePeekChar</a></li> | |
402 | <li><a href="#cupsFilePrintf" title="Write a formatted string.">cupsFilePrintf</a></li> | |
403 | <li><a href="#cupsFilePutChar" title="Write a character.">cupsFilePutChar</a></li> | |
404 | <li><a href="#cupsFilePutConf" title="Write a configuration line.">cupsFilePutConf</a></li> | |
405 | <li><a href="#cupsFilePuts" title="Write a string.">cupsFilePuts</a></li> | |
406 | <li><a href="#cupsFileRead" title="Read from a file.">cupsFileRead</a></li> | |
407 | <li><a href="#cupsFileRewind" title="Set the current file position to the beginning of the | |
5a738aea | 408 | file.">cupsFileRewind</a></li> |
0268488e MS |
409 | <li><a href="#cupsFileSeek" title="Seek in a file.">cupsFileSeek</a></li> |
410 | <li><a href="#cupsFileStderr" title="Return a CUPS file associated with stderr.">cupsFileStderr</a></li> | |
411 | <li><a href="#cupsFileStdin" title="Return a CUPS file associated with stdin.">cupsFileStdin</a></li> | |
412 | <li><a href="#cupsFileStdout" title="Return a CUPS file associated with stdout.">cupsFileStdout</a></li> | |
413 | <li><a href="#cupsFileTell" title="Return the current file position.">cupsFileTell</a></li> | |
414 | <li><a href="#cupsFileUnlock" title="Unlock access to a file.">cupsFileUnlock</a></li> | |
415 | <li><a href="#cupsFileWrite" title="Write to a file.">cupsFileWrite</a></li> | |
8b450588 | 416 | </ul></li> |
5a738aea MS |
417 | <li><a href="#TYPES">Data Types</a><ul class="code"> |
418 | <li><a href="#cups_dentry_t" title="Directory entry type">cups_dentry_t</a></li> | |
419 | <li><a href="#cups_dir_t" title="Directory type">cups_dir_t</a></li> | |
420 | <li><a href="#cups_file_t" title="CUPS file type">cups_file_t</a></li> | |
421 | </ul></li> | |
422 | <li><a href="#STRUCTURES">Structures</a><ul class="code"> | |
423 | <li><a href="#cups_dentry_s" title="Directory entry type">cups_dentry_s</a></li> | |
424 | </ul></li> | |
0268488e | 425 | </ul> |
ef416fc2 | 426 | <!-- |
68b10830 | 427 | "$Id$" |
ef416fc2 | 428 | |
eac3a0a0 | 429 | File and directory API introduction for CUPS. |
ef416fc2 | 430 | |
eac3a0a0 | 431 | Copyright 2007-2011 by Apple Inc. |
bc44d920 | 432 | Copyright 1997-2005 by Easy Software Products, all rights reserved. |
ef416fc2 | 433 | |
434 | These coded instructions, statements, and computer programs are the | |
bc44d920 | 435 | property of Apple Inc. and are protected by Federal copyright |
436 | law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
437 | which should have been included with this file. If this file is | |
438 | file is missing or damaged, see the license at "http://www.cups.org/". | |
ef416fc2 | 439 | --> |
440 | ||
5a738aea | 441 | <h2 class='title'><a name="OVERVIEW">Overview</a></h2> |
ef416fc2 | 442 | |
443 | <p>The CUPS file and directory APIs provide portable interfaces | |
444 | for manipulating files and listing files and directories. Unlike | |
5a738aea | 445 | stdio <code>FILE</code> streams, the <code>cupsFile</code> functions |
ef416fc2 | 446 | allow you to open more than 256 files at any given time. They |
447 | also manage the platform-specific details of locking, large file | |
448 | support, line endings (CR, LF, or CR LF), and reading and writing | |
449 | files using Flate ("gzip") compression. Finally, you can also | |
450 | connect, read from, and write to network connections using the | |
5a738aea | 451 | <code>cupsFile</code> functions.</p> |
ef416fc2 | 452 | |
5a738aea | 453 | <p>The <code>cupsDir</code> functions manage the platform-specific |
ef416fc2 | 454 | details of directory access/listing and provide a convenient way |
455 | to get both a list of files and the information (permissions, | |
456 | size, timestamp, etc.) for each of those files.</p> | |
5a738aea | 457 | <h2 class="title"><a name="FUNCTIONS">Functions</a></h2> |
426c6a59 | 458 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsDirClose">cupsDirClose</a></h3> |
5a738aea MS |
459 | <p class="description">Close a directory.</p> |
460 | <p class="code"> | |
461 | void cupsDirClose (<br> | |
462 | <a href="#cups_dir_t">cups_dir_t</a> *dp<br> | |
463 | );</p> | |
464 | <h4 class="parameters">Parameters</h4> | |
465 | <dl> | |
466 | <dt>dp</dt> | |
467 | <dd class="description">Directory pointer</dd> | |
468 | </dl> | |
426c6a59 | 469 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsDirOpen">cupsDirOpen</a></h3> |
5a738aea MS |
470 | <p class="description">Open a directory.</p> |
471 | <p class="code"> | |
472 | <a href="#cups_dir_t">cups_dir_t</a> *cupsDirOpen (<br> | |
473 | const char *directory<br> | |
474 | );</p> | |
475 | <h4 class="parameters">Parameters</h4> | |
476 | <dl> | |
477 | <dt>directory</dt> | |
478 | <dd class="description">Directory name</dd> | |
479 | </dl> | |
480 | <h4 class="returnvalue">Return Value</h4> | |
481 | <p class="description">Directory pointer or <code>NULL</code> if the directory could not be opened.</p> | |
426c6a59 | 482 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsDirRead">cupsDirRead</a></h3> |
5a738aea MS |
483 | <p class="description">Read the next directory entry.</p> |
484 | <p class="code"> | |
485 | <a href="#cups_dentry_t">cups_dentry_t</a> *cupsDirRead (<br> | |
486 | <a href="#cups_dir_t">cups_dir_t</a> *dp<br> | |
487 | );</p> | |
488 | <h4 class="parameters">Parameters</h4> | |
489 | <dl> | |
490 | <dt>dp</dt> | |
491 | <dd class="description">Directory pointer</dd> | |
492 | </dl> | |
493 | <h4 class="returnvalue">Return Value</h4> | |
494 | <p class="description">Directory entry or <code>NULL</code> when there are no more</p> | |
426c6a59 | 495 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsDirRewind">cupsDirRewind</a></h3> |
5a738aea MS |
496 | <p class="description">Rewind to the start of the directory.</p> |
497 | <p class="code"> | |
498 | void cupsDirRewind (<br> | |
499 | <a href="#cups_dir_t">cups_dir_t</a> *dp<br> | |
500 | );</p> | |
501 | <h4 class="parameters">Parameters</h4> | |
502 | <dl> | |
503 | <dt>dp</dt> | |
504 | <dd class="description">Directory pointer</dd> | |
505 | </dl> | |
426c6a59 | 506 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileClose">cupsFileClose</a></h3> |
5a738aea MS |
507 | <p class="description">Close a CUPS file.</p> |
508 | <p class="code"> | |
509 | int cupsFileClose (<br> | |
510 | <a href="#cups_file_t">cups_file_t</a> *fp<br> | |
511 | );</p> | |
512 | <h4 class="parameters">Parameters</h4> | |
513 | <dl> | |
514 | <dt>fp</dt> | |
515 | <dd class="description">CUPS file</dd> | |
516 | </dl> | |
517 | <h4 class="returnvalue">Return Value</h4> | |
518 | <p class="description">0 on success, -1 on error</p> | |
426c6a59 | 519 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileCompression">cupsFileCompression</a></h3> |
5a738aea MS |
520 | <p class="description">Return whether a file is compressed.</p> |
521 | <p class="code"> | |
522 | int cupsFileCompression (<br> | |
523 | <a href="#cups_file_t">cups_file_t</a> *fp<br> | |
524 | );</p> | |
525 | <h4 class="parameters">Parameters</h4> | |
526 | <dl> | |
527 | <dt>fp</dt> | |
528 | <dd class="description">CUPS file</dd> | |
529 | </dl> | |
530 | <h4 class="returnvalue">Return Value</h4> | |
531 | <p class="description"><code>CUPS_FILE_NONE</code> or <code>CUPS_FILE_GZIP</code></p> | |
426c6a59 | 532 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileEOF">cupsFileEOF</a></h3> |
5a738aea MS |
533 | <p class="description">Return the end-of-file status.</p> |
534 | <p class="code"> | |
535 | int cupsFileEOF (<br> | |
536 | <a href="#cups_file_t">cups_file_t</a> *fp<br> | |
537 | );</p> | |
538 | <h4 class="parameters">Parameters</h4> | |
539 | <dl> | |
540 | <dt>fp</dt> | |
541 | <dd class="description">CUPS file</dd> | |
542 | </dl> | |
543 | <h4 class="returnvalue">Return Value</h4> | |
544 | <p class="description">1 on end of file, 0 otherwise</p> | |
426c6a59 | 545 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileFind">cupsFileFind</a></h3> |
5a738aea MS |
546 | <p class="description">Find a file using the specified path.</p> |
547 | <p class="code"> | |
548 | const char *cupsFileFind (<br> | |
549 | const char *filename,<br> | |
550 | const char *path,<br> | |
551 | int executable,<br> | |
552 | char *buffer,<br> | |
553 | int bufsize<br> | |
554 | );</p> | |
555 | <h4 class="parameters">Parameters</h4> | |
556 | <dl> | |
557 | <dt>filename</dt> | |
558 | <dd class="description">File to find</dd> | |
559 | <dt>path</dt> | |
560 | <dd class="description">Colon/semicolon-separated path</dd> | |
561 | <dt>executable</dt> | |
562 | <dd class="description">1 = executable files, 0 = any file/dir</dd> | |
563 | <dt>buffer</dt> | |
564 | <dd class="description">Filename buffer</dd> | |
565 | <dt>bufsize</dt> | |
566 | <dd class="description">Size of filename buffer</dd> | |
567 | </dl> | |
568 | <h4 class="returnvalue">Return Value</h4> | |
569 | <p class="description">Full path to file or <code>NULL</code> if not found</p> | |
570 | <h4 class="discussion">Discussion</h4> | |
571 | <p class="discussion">This function allows the paths in the path string to be separated by | |
572 | colons (UNIX standard) or semicolons (Windows standard) and stores the | |
573 | result in the buffer supplied. If the file cannot be found in any of | |
574 | the supplied paths, <code>NULL</code> is returned. A <code>NULL</code> path only | |
575 | matches the current directory. | |
ef416fc2 | 576 | |
5a738aea | 577 | </p> |
426c6a59 | 578 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileFlush">cupsFileFlush</a></h3> |
5a738aea MS |
579 | <p class="description">Flush pending output.</p> |
580 | <p class="code"> | |
581 | int cupsFileFlush (<br> | |
582 | <a href="#cups_file_t">cups_file_t</a> *fp<br> | |
583 | );</p> | |
584 | <h4 class="parameters">Parameters</h4> | |
585 | <dl> | |
586 | <dt>fp</dt> | |
587 | <dd class="description">CUPS file</dd> | |
588 | </dl> | |
589 | <h4 class="returnvalue">Return Value</h4> | |
590 | <p class="description">0 on success, -1 on error</p> | |
426c6a59 | 591 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileGetChar">cupsFileGetChar</a></h3> |
5a738aea MS |
592 | <p class="description">Get a single character from a file.</p> |
593 | <p class="code"> | |
594 | int cupsFileGetChar (<br> | |
595 | <a href="#cups_file_t">cups_file_t</a> *fp<br> | |
596 | );</p> | |
597 | <h4 class="parameters">Parameters</h4> | |
598 | <dl> | |
599 | <dt>fp</dt> | |
600 | <dd class="description">CUPS file</dd> | |
601 | </dl> | |
602 | <h4 class="returnvalue">Return Value</h4> | |
603 | <p class="description">Character or -1 on end of file</p> | |
426c6a59 | 604 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileGetConf">cupsFileGetConf</a></h3> |
22c9029b | 605 | <p class="description">Get a line from a configuration file.</p> |
5a738aea MS |
606 | <p class="code"> |
607 | char *cupsFileGetConf (<br> | |
608 | <a href="#cups_file_t">cups_file_t</a> *fp,<br> | |
609 | char *buf,<br> | |
610 | size_t buflen,<br> | |
611 | char **value,<br> | |
612 | int *linenum<br> | |
613 | );</p> | |
614 | <h4 class="parameters">Parameters</h4> | |
615 | <dl> | |
616 | <dt>fp</dt> | |
617 | <dd class="description">CUPS file</dd> | |
618 | <dt>buf</dt> | |
619 | <dd class="description">String buffer</dd> | |
620 | <dt>buflen</dt> | |
621 | <dd class="description">Size of string buffer</dd> | |
622 | <dt>value</dt> | |
623 | <dd class="description">Pointer to value</dd> | |
624 | <dt>linenum</dt> | |
625 | <dd class="description">Current line number</dd> | |
626 | </dl> | |
627 | <h4 class="returnvalue">Return Value</h4> | |
628 | <p class="description">Line read or <code>NULL</code> on end of file or error</p> | |
426c6a59 | 629 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileGetLine">cupsFileGetLine</a></h3> |
5a738aea MS |
630 | <p class="description">Get a CR and/or LF-terminated line that may |
631 | contain binary data.</p> | |
632 | <p class="code"> | |
633 | size_t cupsFileGetLine (<br> | |
634 | <a href="#cups_file_t">cups_file_t</a> *fp,<br> | |
635 | char *buf,<br> | |
636 | size_t buflen<br> | |
637 | );</p> | |
638 | <h4 class="parameters">Parameters</h4> | |
639 | <dl> | |
640 | <dt>fp</dt> | |
641 | <dd class="description">File to read from</dd> | |
642 | <dt>buf</dt> | |
643 | <dd class="description">Buffer</dd> | |
644 | <dt>buflen</dt> | |
645 | <dd class="description">Size of buffer</dd> | |
646 | </dl> | |
647 | <h4 class="returnvalue">Return Value</h4> | |
648 | <p class="description">Number of bytes on line or 0 on end of file</p> | |
649 | <h4 class="discussion">Discussion</h4> | |
650 | <p class="discussion">This function differs from <a href="#cupsFileGets"><code>cupsFileGets</code></a> in that the trailing CR | |
651 | and LF are preserved, as is any binary data on the line. The buffer is | |
652 | nul-terminated, however you should use the returned length to determine | |
653 | the number of bytes on the line. | |
ef416fc2 | 654 | |
5a738aea | 655 | </p> |
426c6a59 | 656 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileGets">cupsFileGets</a></h3> |
5a738aea MS |
657 | <p class="description">Get a CR and/or LF-terminated line.</p> |
658 | <p class="code"> | |
659 | char *cupsFileGets (<br> | |
660 | <a href="#cups_file_t">cups_file_t</a> *fp,<br> | |
661 | char *buf,<br> | |
662 | size_t buflen<br> | |
663 | );</p> | |
664 | <h4 class="parameters">Parameters</h4> | |
665 | <dl> | |
666 | <dt>fp</dt> | |
667 | <dd class="description">CUPS file</dd> | |
668 | <dt>buf</dt> | |
669 | <dd class="description">String buffer</dd> | |
670 | <dt>buflen</dt> | |
671 | <dd class="description">Size of string buffer</dd> | |
672 | </dl> | |
673 | <h4 class="returnvalue">Return Value</h4> | |
674 | <p class="description">Line read or <code>NULL</code> on end of file or error</p> | |
426c6a59 | 675 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileLock">cupsFileLock</a></h3> |
5a738aea MS |
676 | <p class="description">Temporarily lock access to a file.</p> |
677 | <p class="code"> | |
678 | int cupsFileLock (<br> | |
679 | <a href="#cups_file_t">cups_file_t</a> *fp,<br> | |
680 | int block<br> | |
681 | );</p> | |
682 | <h4 class="parameters">Parameters</h4> | |
683 | <dl> | |
684 | <dt>fp</dt> | |
685 | <dd class="description">CUPS file</dd> | |
686 | <dt>block</dt> | |
687 | <dd class="description">1 to wait for the lock, 0 to fail right away</dd> | |
688 | </dl> | |
689 | <h4 class="returnvalue">Return Value</h4> | |
690 | <p class="description">0 on success, -1 on error</p> | |
426c6a59 | 691 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileNumber">cupsFileNumber</a></h3> |
5a738aea MS |
692 | <p class="description">Return the file descriptor associated with a CUPS file.</p> |
693 | <p class="code"> | |
694 | int cupsFileNumber (<br> | |
695 | <a href="#cups_file_t">cups_file_t</a> *fp<br> | |
696 | );</p> | |
697 | <h4 class="parameters">Parameters</h4> | |
698 | <dl> | |
699 | <dt>fp</dt> | |
700 | <dd class="description">CUPS file</dd> | |
701 | </dl> | |
702 | <h4 class="returnvalue">Return Value</h4> | |
703 | <p class="description">File descriptor</p> | |
426c6a59 | 704 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileOpen">cupsFileOpen</a></h3> |
5a738aea MS |
705 | <p class="description">Open a CUPS file.</p> |
706 | <p class="code"> | |
707 | <a href="#cups_file_t">cups_file_t</a> *cupsFileOpen (<br> | |
708 | const char *filename,<br> | |
709 | const char *mode<br> | |
710 | );</p> | |
711 | <h4 class="parameters">Parameters</h4> | |
712 | <dl> | |
713 | <dt>filename</dt> | |
714 | <dd class="description">Name of file</dd> | |
715 | <dt>mode</dt> | |
716 | <dd class="description">Open mode</dd> | |
717 | </dl> | |
718 | <h4 class="returnvalue">Return Value</h4> | |
719 | <p class="description">CUPS file or <code>NULL</code> if the file or socket cannot be opened</p> | |
720 | <h4 class="discussion">Discussion</h4> | |
721 | <p class="discussion">The "mode" parameter can be "r" to read, "w" to write, overwriting any | |
722 | existing file, "a" to append to an existing file or create a new file, | |
723 | or "s" to open a socket connection.<br> | |
724 | <br> | |
7a14d768 MS |
725 | When opening for writing ("w"), an optional number from 1 to 9 can be |
726 | supplied which enables Flate compression of the file. Compression is | |
727 | not supported for the "a" (append) mode.<br> | |
5a738aea MS |
728 | <br> |
729 | When opening a socket connection, the filename is a string of the form | |
730 | "address:port" or "hostname:port". The socket will make an IPv4 or IPv6 | |
731 | connection as needed, generally preferring IPv6 connections when there is | |
732 | a choice. | |
ef416fc2 | 733 | |
5a738aea | 734 | </p> |
426c6a59 | 735 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileOpenFd">cupsFileOpenFd</a></h3> |
5a738aea MS |
736 | <p class="description">Open a CUPS file using a file descriptor.</p> |
737 | <p class="code"> | |
738 | <a href="#cups_file_t">cups_file_t</a> *cupsFileOpenFd (<br> | |
739 | int fd,<br> | |
740 | const char *mode<br> | |
741 | );</p> | |
742 | <h4 class="parameters">Parameters</h4> | |
743 | <dl> | |
744 | <dt>fd</dt> | |
745 | <dd class="description">File descriptor</dd> | |
746 | <dt>mode</dt> | |
747 | <dd class="description">Open mode</dd> | |
748 | </dl> | |
749 | <h4 class="returnvalue">Return Value</h4> | |
750 | <p class="description">CUPS file or <code>NULL</code> if the file could not be opened</p> | |
751 | <h4 class="discussion">Discussion</h4> | |
7a14d768 MS |
752 | <p class="discussion">The "mode" parameter can be "r" to read, "w" to write, "a" to append, |
753 | or "s" to treat the file descriptor as a bidirectional socket connection.<br> | |
5a738aea | 754 | <br> |
7a14d768 MS |
755 | When opening for writing ("w"), an optional number from 1 to 9 can be |
756 | supplied which enables Flate compression of the file. Compression is | |
757 | not supported for the "a" (append) mode. | |
ef416fc2 | 758 | |
5a738aea | 759 | </p> |
426c6a59 | 760 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFilePeekChar">cupsFilePeekChar</a></h3> |
5a738aea MS |
761 | <p class="description">Peek at the next character from a file.</p> |
762 | <p class="code"> | |
763 | int cupsFilePeekChar (<br> | |
764 | <a href="#cups_file_t">cups_file_t</a> *fp<br> | |
765 | );</p> | |
766 | <h4 class="parameters">Parameters</h4> | |
767 | <dl> | |
768 | <dt>fp</dt> | |
769 | <dd class="description">CUPS file</dd> | |
770 | </dl> | |
771 | <h4 class="returnvalue">Return Value</h4> | |
772 | <p class="description">Character or -1 on end of file</p> | |
426c6a59 | 773 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFilePrintf">cupsFilePrintf</a></h3> |
5a738aea MS |
774 | <p class="description">Write a formatted string.</p> |
775 | <p class="code"> | |
776 | int cupsFilePrintf (<br> | |
777 | <a href="#cups_file_t">cups_file_t</a> *fp,<br> | |
778 | const char *format,<br> | |
779 | ...<br> | |
780 | );</p> | |
781 | <h4 class="parameters">Parameters</h4> | |
782 | <dl> | |
783 | <dt>fp</dt> | |
784 | <dd class="description">CUPS file</dd> | |
785 | <dt>format</dt> | |
786 | <dd class="description">Printf-style format string</dd> | |
787 | <dt>...</dt> | |
788 | <dd class="description">Additional args as necessary</dd> | |
789 | </dl> | |
790 | <h4 class="returnvalue">Return Value</h4> | |
791 | <p class="description">Number of bytes written or -1 on error</p> | |
426c6a59 | 792 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFilePutChar">cupsFilePutChar</a></h3> |
5a738aea MS |
793 | <p class="description">Write a character.</p> |
794 | <p class="code"> | |
795 | int cupsFilePutChar (<br> | |
796 | <a href="#cups_file_t">cups_file_t</a> *fp,<br> | |
797 | int c<br> | |
798 | );</p> | |
799 | <h4 class="parameters">Parameters</h4> | |
800 | <dl> | |
801 | <dt>fp</dt> | |
802 | <dd class="description">CUPS file</dd> | |
803 | <dt>c</dt> | |
804 | <dd class="description">Character to write</dd> | |
805 | </dl> | |
806 | <h4 class="returnvalue">Return Value</h4> | |
807 | <p class="description">0 on success, -1 on error</p> | |
178cb736 | 808 | <h3 class="function"><span class="info"> CUPS 1.4/Mac OS X 10.6 </span><a name="cupsFilePutConf">cupsFilePutConf</a></h3> |
758a062f MS |
809 | <p class="description">Write a configuration line.</p> |
810 | <p class="code"> | |
811 | ssize_t cupsFilePutConf (<br> | |
812 | <a href="#cups_file_t">cups_file_t</a> *fp,<br> | |
813 | const char *directive,<br> | |
814 | const char *value<br> | |
815 | );</p> | |
816 | <h4 class="parameters">Parameters</h4> | |
817 | <dl> | |
818 | <dt>fp</dt> | |
819 | <dd class="description">CUPS file</dd> | |
820 | <dt>directive</dt> | |
821 | <dd class="description">Directive</dd> | |
822 | <dt>value</dt> | |
823 | <dd class="description">Value</dd> | |
824 | </dl> | |
825 | <h4 class="returnvalue">Return Value</h4> | |
826 | <p class="description">Number of bytes written or -1 on error</p> | |
827 | <h4 class="discussion">Discussion</h4> | |
828 | <p class="discussion">This function handles any comment escaping of the value. | |
829 | ||
830 | </p> | |
426c6a59 | 831 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFilePuts">cupsFilePuts</a></h3> |
5a738aea MS |
832 | <p class="description">Write a string.</p> |
833 | <p class="code"> | |
834 | int cupsFilePuts (<br> | |
835 | <a href="#cups_file_t">cups_file_t</a> *fp,<br> | |
836 | const char *s<br> | |
837 | );</p> | |
838 | <h4 class="parameters">Parameters</h4> | |
839 | <dl> | |
840 | <dt>fp</dt> | |
841 | <dd class="description">CUPS file</dd> | |
842 | <dt>s</dt> | |
843 | <dd class="description">String to write</dd> | |
844 | </dl> | |
845 | <h4 class="returnvalue">Return Value</h4> | |
846 | <p class="description">Number of bytes written or -1 on error</p> | |
847 | <h4 class="discussion">Discussion</h4> | |
848 | <p class="discussion">Like the <code>fputs</code> function, no newline is appended to the string. | |
ef416fc2 | 849 | |
5a738aea | 850 | </p> |
426c6a59 | 851 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileRead">cupsFileRead</a></h3> |
5a738aea MS |
852 | <p class="description">Read from a file.</p> |
853 | <p class="code"> | |
854 | ssize_t cupsFileRead (<br> | |
855 | <a href="#cups_file_t">cups_file_t</a> *fp,<br> | |
856 | char *buf,<br> | |
857 | size_t bytes<br> | |
858 | );</p> | |
859 | <h4 class="parameters">Parameters</h4> | |
860 | <dl> | |
861 | <dt>fp</dt> | |
862 | <dd class="description">CUPS file</dd> | |
863 | <dt>buf</dt> | |
864 | <dd class="description">Buffer</dd> | |
865 | <dt>bytes</dt> | |
866 | <dd class="description">Number of bytes to read</dd> | |
867 | </dl> | |
868 | <h4 class="returnvalue">Return Value</h4> | |
869 | <p class="description">Number of bytes read or -1 on error</p> | |
426c6a59 | 870 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileRewind">cupsFileRewind</a></h3> |
5a738aea MS |
871 | <p class="description">Set the current file position to the beginning of the |
872 | file.</p> | |
873 | <p class="code"> | |
874 | off_t cupsFileRewind (<br> | |
875 | <a href="#cups_file_t">cups_file_t</a> *fp<br> | |
876 | );</p> | |
877 | <h4 class="parameters">Parameters</h4> | |
878 | <dl> | |
879 | <dt>fp</dt> | |
880 | <dd class="description">CUPS file</dd> | |
881 | </dl> | |
882 | <h4 class="returnvalue">Return Value</h4> | |
883 | <p class="description">New file position or -1 on error</p> | |
426c6a59 | 884 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileSeek">cupsFileSeek</a></h3> |
5a738aea MS |
885 | <p class="description">Seek in a file.</p> |
886 | <p class="code"> | |
887 | off_t cupsFileSeek (<br> | |
888 | <a href="#cups_file_t">cups_file_t</a> *fp,<br> | |
889 | off_t pos<br> | |
890 | );</p> | |
891 | <h4 class="parameters">Parameters</h4> | |
892 | <dl> | |
893 | <dt>fp</dt> | |
894 | <dd class="description">CUPS file</dd> | |
895 | <dt>pos</dt> | |
896 | <dd class="description">Position in file</dd> | |
897 | </dl> | |
898 | <h4 class="returnvalue">Return Value</h4> | |
899 | <p class="description">New file position or -1 on error</p> | |
426c6a59 | 900 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileStderr">cupsFileStderr</a></h3> |
5a738aea MS |
901 | <p class="description">Return a CUPS file associated with stderr.</p> |
902 | <p class="code"> | |
903 | <a href="#cups_file_t">cups_file_t</a> *cupsFileStderr (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="cupsFileStdin">cupsFileStdin</a></h3> |
5a738aea MS |
907 | <p class="description">Return a CUPS file associated with stdin.</p> |
908 | <p class="code"> | |
909 | <a href="#cups_file_t">cups_file_t</a> *cupsFileStdin (void);</p> | |
910 | <h4 class="returnvalue">Return Value</h4> | |
911 | <p class="description">CUPS file</p> | |
426c6a59 | 912 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileStdout">cupsFileStdout</a></h3> |
5a738aea MS |
913 | <p class="description">Return a CUPS file associated with stdout.</p> |
914 | <p class="code"> | |
915 | <a href="#cups_file_t">cups_file_t</a> *cupsFileStdout (void);</p> | |
916 | <h4 class="returnvalue">Return Value</h4> | |
917 | <p class="description">CUPS file</p> | |
426c6a59 | 918 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileTell">cupsFileTell</a></h3> |
5a738aea MS |
919 | <p class="description">Return the current file position.</p> |
920 | <p class="code"> | |
921 | off_t cupsFileTell (<br> | |
922 | <a href="#cups_file_t">cups_file_t</a> *fp<br> | |
923 | );</p> | |
924 | <h4 class="parameters">Parameters</h4> | |
925 | <dl> | |
926 | <dt>fp</dt> | |
927 | <dd class="description">CUPS file</dd> | |
928 | </dl> | |
929 | <h4 class="returnvalue">Return Value</h4> | |
930 | <p class="description">File position</p> | |
426c6a59 | 931 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileUnlock">cupsFileUnlock</a></h3> |
5a738aea MS |
932 | <p class="description">Unlock access to a file.</p> |
933 | <p class="code"> | |
934 | int cupsFileUnlock (<br> | |
935 | <a href="#cups_file_t">cups_file_t</a> *fp<br> | |
936 | );</p> | |
937 | <h4 class="parameters">Parameters</h4> | |
938 | <dl> | |
939 | <dt>fp</dt> | |
940 | <dd class="description">CUPS file</dd> | |
941 | </dl> | |
942 | <h4 class="returnvalue">Return Value</h4> | |
943 | <p class="description">0 on success, -1 on error</p> | |
426c6a59 | 944 | <h3 class="function"><span class="info"> CUPS 1.2/Mac OS X 10.5 </span><a name="cupsFileWrite">cupsFileWrite</a></h3> |
5a738aea MS |
945 | <p class="description">Write to a file.</p> |
946 | <p class="code"> | |
947 | ssize_t cupsFileWrite (<br> | |
948 | <a href="#cups_file_t">cups_file_t</a> *fp,<br> | |
949 | const char *buf,<br> | |
950 | size_t bytes<br> | |
951 | );</p> | |
952 | <h4 class="parameters">Parameters</h4> | |
953 | <dl> | |
954 | <dt>fp</dt> | |
955 | <dd class="description">CUPS file</dd> | |
956 | <dt>buf</dt> | |
957 | <dd class="description">Buffer</dd> | |
958 | <dt>bytes</dt> | |
959 | <dd class="description">Number of bytes to write</dd> | |
960 | </dl> | |
961 | <h4 class="returnvalue">Return Value</h4> | |
962 | <p class="description">Number of bytes written or -1 on error</p> | |
963 | <h2 class="title"><a name="TYPES">Data Types</a></h2> | |
964 | <h3 class="typedef"><a name="cups_dentry_t">cups_dentry_t</a></h3> | |
965 | <p class="description">Directory entry type</p> | |
966 | <p class="code"> | |
967 | typedef struct <a href="#cups_dentry_s">cups_dentry_s</a> cups_dentry_t; | |
968 | </p> | |
969 | <h3 class="typedef"><a name="cups_dir_t">cups_dir_t</a></h3> | |
970 | <p class="description">Directory type</p> | |
971 | <p class="code"> | |
ef416fc2 | 972 | typedef struct _cups_dir_s cups_dir_t; |
5a738aea MS |
973 | </p> |
974 | <h3 class="typedef"><a name="cups_file_t">cups_file_t</a></h3> | |
975 | <p class="description">CUPS file type</p> | |
976 | <p class="code"> | |
ef416fc2 | 977 | typedef struct _cups_file_s cups_file_t; |
5a738aea MS |
978 | </p> |
979 | <h2 class="title"><a name="STRUCTURES">Structures</a></h2> | |
980 | <h3 class="struct"><a name="cups_dentry_s">cups_dentry_s</a></h3> | |
981 | <p class="description">Directory entry type</p> | |
982 | <p class="code">struct cups_dentry_s {<br> | |
983 | struct stat fileinfo;<br> | |
984 | char filename[260];<br> | |
985 | };</p> | |
986 | <h4 class="members">Members</h4> | |
987 | <dl> | |
988 | <dt>fileinfo </dt> | |
989 | <dd class="description">File information</dd> | |
990 | <dt>filename[260] </dt> | |
991 | <dd class="description">File name</dd> | |
992 | </dl> | |
993 | </div> | |
ef416fc2 | 994 | </body> |
995 | </html> |