projects / thirdparty / cups.git / blame
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| 5a738aea | 252 | --></style> |
| ef416fc2 | 253 | </head> |
| 254 | <body> | |
| 5a738aea MS |
255 | <div class='body'> |
| 256 | <!-- | |
| 257 | "$Id: api-cups.header 7279 2008-01-31 01:50:44Z mike $" | |
| 258 | ||
| 259 | CUPS API header for the Common UNIX Printing System (CUPS). | |
| 260 | ||
| 261 | Copyright 2008 by Apple Inc. | |
| 262 | ||
| 263 | These coded instructions, statements, and computer programs are the | |
| 264 | property of Apple Inc. and are protected by Federal copyright | |
| 265 | law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
| 266 | which should have been included with this file. If this file is | |
| 267 | file is missing or damaged, see the license at "http://www.cups.org/". | |
| 268 | --> | |
| 269 | ||
| 270 | <h1 class="title">CUPS API</h1> | |
| 271 | ||
| 272 | <div class='summary'><table summary='General Information'> | |
| 273 | <thead> | |
| 274 | <tr> | |
| 275 | <th>Header</th> | |
| 276 | <th>cups/cups.h</th> | |
| 277 | </tr> | |
| 278 | </thead> | |
| 279 | <tbody> | |
| 280 | <tr> | |
| 281 | <th>Library</th> | |
| 282 | <td>-lcups</td> | |
| 283 | </tr> | |
| 284 | <tr> | |
| 285 | <th>See Also</th> | |
| 286 | <td>Programming: <a href='api-overview.html' target='_top'>Introduction to CUPS Programming</a><br> | |
| 287 | Programming: <a href='api-array.html' target='_top'>Array API</a><br> | |
| 288 | Programming: <a href='api-filedir.html' target='_top'>File and Directory APIs</a><br> | |
| 289 | Programming: <a href='api-filter.html' target='_top'>Filter and Backend Programming</a><br> | |
| 290 | Programming: <a href='api-httpipp.html' target='_top'>HTTP and IPP APIs</a><br> | |
| 291 | Programming: <a href='api-ppd.html' target='_top'>PPD API</a><br> | |
| 292 | Programming: <a href='api-raster.html' target='_top'>Raster API</a></td> | |
| 293 | </tr> | |
| 294 | </tbody> | |
| 295 | </table></div> | |
| 296 | <h2 class="title">Contents</h2> | |
| 297 | <ul class="contents"> | |
| 298 | </li> | |
| 299 | <li><a href="#OVERVIEW">Overview</a><ul class="subcontents"> | |
| 300 | <li><a href="#PRINTERS_AND_CLASSES">Printers and Classes</a></li> | |
| 301 | <li><a href="#OPTIONS">Options</a></li> | |
| 302 | <li><a href="#PRINT_JOBS">Print Jobs</a></li> | |
| 303 | <li><a href="#ERROR_HANDLING">Error Handling</a></li> | |
| 304 | <li><a href="#PASSWORDS_AND_AUTHENTICATION">Passwords and Authentication</a></li> | |
| 305 | </ul></li> | |
| 306 | <li><a href="#FUNCTIONS">Functions</a><ul class="code"> | |
| 307 | <li><a href="#cupsAddDest" title="Add a destination to the list of destinations.">cupsAddDest</a></li> | |
| 308 | <li><a href="#cupsAddOption" title="Add an option to an option array.">cupsAddOption</a></li> | |
| 309 | <li><a href="#cupsCancelJob" title="Cancel a print job on the default server.">cupsCancelJob</a></li> | |
| 310 | <li><a href="#cupsCancelJob2" title="Cancel or purge a print job.">cupsCancelJob2</a></li> | |
| 311 | <li><a href="#cupsCreateJob" title="Create an empty job.">cupsCreateJob</a></li> | |
| 312 | <li><a href="#cupsEncryption" title="Get the default encryption settings.">cupsEncryption</a></li> | |
| 313 | <li><a href="#cupsFinishDocument" title="Finish sending a document.">cupsFinishDocument</a></li> | |
| 314 | <li><a href="#cupsFreeDests" title="Free the memory used by the list of destinations.">cupsFreeDests</a></li> | |
| 315 | <li><a href="#cupsFreeJobs" title="Free memory used by job data.">cupsFreeJobs</a></li> | |
| 316 | <li><a href="#cupsFreeOptions" title="Free all memory used by options.">cupsFreeOptions</a></li> | |
| 317 | <li><a href="#cupsGetClasses" title="Get a list of printer classes from the default server.">cupsGetClasses</a></li> | |
| 318 | <li><a href="#cupsGetDefault" title="Get the default printer or class for the default server.">cupsGetDefault</a></li> | |
| 319 | <li><a href="#cupsGetDefault2" title="Get the default printer or class for the specified server.">cupsGetDefault2</a></li> | |
| 320 | <li><a href="#cupsGetDest" title="Get the named destination from the list.">cupsGetDest</a></li> | |
| 321 | <li><a href="#cupsGetDests" title="Get the list of destinations from the default server.">cupsGetDests</a></li> | |
| 322 | <li><a href="#cupsGetDests2" title="Get the list of destinations from the specified server.">cupsGetDests2</a></li> | |
| 323 | <li><a href="#cupsGetFd" title="Get a file from the server.">cupsGetFd</a></li> | |
| 324 | <li><a href="#cupsGetFile" title="Get a file from the server.">cupsGetFile</a></li> | |
| 325 | <li><a href="#cupsGetJobs" title="Get the jobs from the default server.">cupsGetJobs</a></li> | |
| 326 | <li><a href="#cupsGetJobs2" title="Get the jobs from the specified server.">cupsGetJobs2</a></li> | |
| 327 | <li><a href="#cupsGetNamedDest" title="Get options for the named destination.">cupsGetNamedDest</a></li> | |
| 328 | <li><a href="#cupsGetOption" title="Get an option value.">cupsGetOption</a></li> | |
| 329 | <li><a href="#cupsGetPPD" title="Get the PPD file for a printer on the default server.">cupsGetPPD</a></li> | |
| 330 | <li><a href="#cupsGetPPD2" title="Get the PPD file for a printer from the specified server.">cupsGetPPD2</a></li> | |
| 331 | <li><a href="#cupsGetPPD3" title="Get the PPD file for a printer on the specified | |
| 332 | server if it has changed.">cupsGetPPD3</a></li> | |
| 333 | <li><a href="#cupsGetPassword" title="Get a password from the user.">cupsGetPassword</a></li> | |
| 334 | <li><a href="#cupsGetPrinters" title="Get a list of printers from the default server.">cupsGetPrinters</a></li> | |
| 335 | <li><a href="#cupsGetServerPPD" title="Get an available PPD file from the server.">cupsGetServerPPD</a></li> | |
| 336 | <li><a href="#cupsLangDefault" title="Return the default language.">cupsLangDefault</a></li> | |
| 337 | <li><a href="#cupsLangEncoding" title="Return the character encoding (us-ascii, etc.) | |
| 338 | for the given language.">cupsLangEncoding</a></li> | |
| 339 | <li><a href="#cupsLangFlush" title="Flush all language data out of the cache.">cupsLangFlush</a></li> | |
| 340 | <li><a href="#cupsLangFree" title="Free language data.">cupsLangFree</a></li> | |
| 341 | <li><a href="#cupsLangGet" title="Get a language.">cupsLangGet</a></li> | |
| 342 | <li><a href="#cupsLastError" title="Return the last IPP status code.">cupsLastError</a></li> | |
| 343 | <li><a href="#cupsLastErrorString" title="Return the last IPP status-message.">cupsLastErrorString</a></li> | |
| 344 | <li><a href="#cupsNotifySubject" title="Return the subject for the given notification message.">cupsNotifySubject</a></li> | |
| 345 | <li><a href="#cupsNotifyText" title="Return the text for the given notification message.">cupsNotifyText</a></li> | |
| 346 | <li><a href="#cupsParseOptions" title="Parse options from a command-line argument.">cupsParseOptions</a></li> | |
| 347 | <li><a href="#cupsPrintFile" title="Print a file to a printer or class on the default server.">cupsPrintFile</a></li> | |
| 348 | <li><a href="#cupsPrintFile2" title="Print a file to a printer or class on the specified | |
| 349 | server.">cupsPrintFile2</a></li> | |
| 350 | <li><a href="#cupsPrintFiles" title="Print one or more files to a printer or class on the | |
| 351 | default server.">cupsPrintFiles</a></li> | |
| 352 | <li><a href="#cupsPrintFiles2" title="Print one or more files to a printer or class on the | |
| 353 | specified server.">cupsPrintFiles2</a></li> | |
| 354 | <li><a href="#cupsPutFd" title="Put a file on the server.">cupsPutFd</a></li> | |
| 355 | <li><a href="#cupsPutFile" title="Put a file on the server.">cupsPutFile</a></li> | |
| 356 | <li><a href="#cupsRemoveDest" title="Remove a destination from the destination list.">cupsRemoveDest</a></li> | |
| 357 | <li><a href="#cupsRemoveOption" title="Remove an option from an option array.">cupsRemoveOption</a></li> | |
| 358 | <li><a href="#cupsServer" title="Return the hostname/address of the default server.">cupsServer</a></li> | |
| 359 | <li><a href="#cupsSetDefaultDest" title="Set the default destination.">cupsSetDefaultDest</a></li> | |
| 360 | <li><a href="#cupsSetDests" title="Save the list of destinations for the default server.">cupsSetDests</a></li> | |
| 361 | <li><a href="#cupsSetDests2" title="Save the list of destinations for the specified server.">cupsSetDests2</a></li> | |
| 362 | <li><a href="#cupsSetEncryption" title="Set the encryption preference.">cupsSetEncryption</a></li> | |
| 363 | <li><a href="#cupsSetPasswordCB" title="Set the password callback for CUPS.">cupsSetPasswordCB</a></li> | |
| 364 | <li><a href="#cupsSetServer" title="Set the default server name.">cupsSetServer</a></li> | |
| 365 | <li><a href="#cupsSetUser" title="Set the default user name.">cupsSetUser</a></li> | |
| 366 | <li><a href="#cupsStartDocument" title="Add a document to a job created with cupsCreateJob().">cupsStartDocument</a></li> | |
| 367 | <li><a href="#cupsTempFd" title="Creates a temporary file.">cupsTempFd</a></li> | |
| 368 | <li><a href="#cupsTempFile" title="Generates a temporary filename.">cupsTempFile</a></li> | |
| 369 | <li><a href="#cupsTempFile2" title="Creates a temporary CUPS file.">cupsTempFile2</a></li> | |
| 370 | <li><a href="#cupsUser" title="Return the current user's name.">cupsUser</a></li> | |
| 371 | </ul> | |
| 372 | <li><a href="#TYPES">Data Types</a><ul class="code"> | |
| 373 | <li><a href="#cups_dest_t" title="Destination">cups_dest_t</a></li> | |
| 374 | <li><a href="#cups_job_t" title="Job">cups_job_t</a></li> | |
| 375 | <li><a href="#cups_option_t" title="Printer Options">cups_option_t</a></li> | |
| 376 | <li><a href="#cups_password_cb_t" title="Password callback">cups_password_cb_t</a></li> | |
| 377 | <li><a href="#cups_ptype_t" title="Printer type/capability bits">cups_ptype_t</a></li> | |
| 378 | </ul></li> | |
| 379 | <li><a href="#STRUCTURES">Structures</a><ul class="code"> | |
| 380 | <li><a href="#cups_dest_s" title="Destination">cups_dest_s</a></li> | |
| 381 | <li><a href="#cups_job_s" title="Job">cups_job_s</a></li> | |
| 382 | <li><a href="#cups_option_s" title="Printer Options">cups_option_s</a></li> | |
| 383 | </ul></li> | |
| 384 | <li><a href="#ENUMERATIONS">Constants</a><ul class="code"> | |
| 385 | <li><a href="#cups_ptype_e" title="Printer type/capability bit constants">cups_ptype_e</a></li> | |
| 386 | </ul></li> | |
| 387 | </ul> | |
| ef416fc2 | 388 | <!-- |
| 5a738aea | 389 | "$Id: api-cups.shtml 7258 2008-01-28 00:15:05Z mike $" |
| ef416fc2 | 390 | |
| 391 | CUPS API introduction for the Common UNIX Printing System (CUPS). | |
| 392 | ||
| 5a738aea | 393 | Copyright 2007-2008 by Apple Inc. |
| bc44d920 | 394 | Copyright 1997-2006 by Easy Software Products, all rights reserved. |
| ef416fc2 | 395 | |
| 396 | These coded instructions, statements, and computer programs are the | |
| bc44d920 | 397 | property of Apple Inc. and are protected by Federal copyright |
| 398 | law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
| 399 | which should have been included with this file. If this file is | |
| 400 | file is missing or damaged, see the license at "http://www.cups.org/". | |
| ef416fc2 | 401 | --> |
| 402 | ||
| 5a738aea MS |
403 | <h2 class='title'><a name='OVERVIEW'>Overview</a></h2> |
| 404 | ||
| 405 | <p>The CUPS API provides the convenience functions needed to support | |
| 406 | applications, filters, printer drivers, and backends that need to interface | |
| 407 | with the CUPS scheduler.</p> | |
| ef416fc2 | 408 | |
| 5a738aea | 409 | <h3><a name='PRINTERS_AND_CLASSES'>Printers and Classes</a></h3> |
| ecdc0628 | 410 | |
| 5a738aea MS |
411 | <p>Printers and classes (collections of printers) are accessed through |
| 412 | the <a href="#cups_dest_t"><code>cups_dest_t</code></a> structure which | |
| 413 | includes the name (<code>name</code>), instance (<code>instance</code> - | |
| 414 | a way of selected certain saved options), and the options and attributes | |
| 415 | associated with that destination (<code>num_options</code> and | |
| 416 | <code>options</code>). Destinations are created using the | |
| 417 | <a href="#cupsGetDests"><code>cupsGetDests</code></a> function and freed | |
| 418 | using the <a href='#cupsFreeDests'><code>cupsFreeDests</code></a> function. | |
| 419 | The <a href='#cupsGetDest'><code>cupsGetDest</code></a> function finds a | |
| 420 | specific destination for printing:</p> | |
| ef416fc2 | 421 | |
| 5a738aea MS |
422 | <pre class='example'> |
| 423 | #include <cups/cups.h> | |
| ef416fc2 | 424 | |
| 5a738aea MS |
425 | <a href='#cups_dest_t'>cups_dest_t</a> *dests; |
| 426 | int num_dests = <a href='#cupsGetDests'>cupsGetDests</a>(&dests); | |
| 427 | <a href='#cups_dest_t'>cups_dest_t</a> *dest = <a href='#cupsGetDest'>cupsGetDest</a>("name", NULL, num_dests, dests); | |
| ef416fc2 | 428 | |
| 5a738aea | 429 | /* do something wiith dest */ |
| ef416fc2 | 430 | |
| 5a738aea | 431 | <a href='#cupsFreeDests'>cupsFreeDests</a>(num_dests, dests); |
| ef416fc2 | 432 | </pre> |
| 433 | ||
| 5a738aea MS |
434 | <p>Passing <code>NULL</code> to |
| 435 | <a href='#cupsGetDest'><code>cupsGetDest</code></a> for the destination name | |
| 436 | will return the default destination. Similarly, passing a <code>NULL</code> | |
| 437 | instance will return the default instance for that destination.</p> | |
| ef416fc2 | 438 | |
| 5a738aea MS |
439 | <div class='table'><table summary='Table 1: Printer Attributes' width='80%'> |
| 440 | <caption>Table 1: <a name='TABLE1'>Printer Attributes</a></caption> | |
| 441 | <thead> | |
| 442 | <tr> | |
| 443 | <th>Attribute Name</th> | |
| 444 | <th>Description</th> | |
| 445 | </tr> | |
| 446 | </thead> | |
| ef416fc2 | 447 | <tbody> |
| 5a738aea MS |
448 | <tr> |
| 449 | <td>"auth-info-required"</td> | |
| 450 | <td>The type of authentication required for printing to this | |
| 451 | destination: "none", "username,password", "domain,username,password", | |
| 452 | or "negotiate" (Kerberos)</td> | |
| 453 | </tr> | |
| 454 | <tr> | |
| 455 | <td>"printer-info"</td> | |
| 456 | <td>The human-readable description of the destination such as "My | |
| 457 | Laser Printer".</td> | |
| 458 | </tr> | |
| 459 | <tr> | |
| 460 | <td>"printer-is-accepting-jobs"</td> | |
| 461 | <td>"1" if the destination is accepting new jobs, "0" if not.</td> | |
| 462 | </tr> | |
| 463 | <tr> | |
| 464 | <td>"printer-is-shared"</td> | |
| 465 | <td>"1" if the destination is being shared with other computers, "0" if | |
| 466 | not.</td> | |
| 467 | </tr> | |
| 468 | <tr> | |
| 469 | <td>"printer-location"</td> | |
| 470 | <td>The human-readable location of the destination such as "Lab 4".</td> | |
| 471 | </tr> | |
| 472 | <tr> | |
| 473 | <td>"printer-make-and-model"</td> | |
| 474 | <td>The human-readable make and model of the destination such as "HP | |
| 475 | LaserJet 4000 Series".</td> | |
| 476 | </tr> | |
| 477 | <tr> | |
| 478 | <td>"printer-state"</td> | |
| 479 | <td>"3" if the destination is idle, "4" if the destination is printing | |
| 480 | a job, and "5" if the destination is stopped.</td> | |
| 481 | </tr> | |
| 482 | <tr> | |
| 483 | <td>"printer-state-change-time"</td> | |
| 484 | <td>The UNIX time when the destination entered the current state.</td> | |
| 485 | </tr> | |
| 486 | <tr> | |
| 487 | <td>"printer-state-reasons"</td> | |
| 488 | <td>Additional comma-delimited state keywords for the destination | |
| 489 | such as "media-tray-empty-error" and "toner-low-warning".</td> | |
| 490 | </tr> | |
| 491 | <tr> | |
| 492 | <td>"printer-type"</td> | |
| 493 | <td>The <a href='#cups_printer_t'><code>cups_printer_t</code></a> | |
| 494 | value associated with the destination.</td> | |
| 495 | </tr> | |
| 496 | </tbody> | |
| 497 | </table></div> | |
| 498 | ||
| 499 | <h3><a name='OPTIONS'>Options</a></h3> | |
| 500 | ||
| 501 | <p>Options are stored in arrays of | |
| 502 | <a href='#cups_option_t'><code>cups_option_t</code></a> structures. Each | |
| 503 | option has a name (<code>name</code>) and value (<code>value</code>) | |
| 504 | associated with it. The <a href='#cups_dest_t'><code>cups_dest_t</code></a> | |
| 505 | <code>num_options</code> and <code>options</code> members contain the | |
| 506 | default options for a particular destination, along with several informational | |
| 507 | attributes about the destination as shown in <a href='#TABLE1'>Table 1</a>. | |
| 508 | The <a href='#cupsGetOption'><code>cupsGetOption</code></a> function gets | |
| 509 | the value for the named option. For example, the following code lists the | |
| 510 | available destinations and their human-readable descriptions:</p> | |
| 511 | ||
| 512 | <pre class='example'> | |
| 513 | #include <cups/cups.h> | |
| 514 | ||
| 515 | <a href='#cups_dest_t'>cups_dest_t</a> *dests; | |
| 516 | int num_dests = <a href='#cupsGetDests'>cupsGetDests</a>(&dests); | |
| 517 | <a href='#cups_dest_t'>cups_dest_t</a> *dest; | |
| 518 | int i; | |
| 519 | const char *value; | |
| 520 | ||
| 521 | for (i = num_dests, dest = dests; i > 0; i --, dest ++) | |
| 522 | if (dest->instance == NULL) | |
| 523 | { | |
| 524 | value = <a href='#cupsGetOption'>cupsGetOption</a>("printer-info", dest->num_options, dest->options); | |
| 525 | printf("%s (%s)\n", dest->name, value ? value : "no description"); | |
| 526 | } | |
| 527 | ||
| 528 | <a href='#cupsFreeDests'>cupsFreeDests</a>(num_dests, dests); | |
| 529 | </pre> | |
| 530 | ||
| 531 | <p>You can create your own option arrays using the | |
| 532 | <a href='#cupsAddOption'><code>cupsAddOption</code></a> function, which | |
| 533 | adds a single named option to an array:</p> | |
| 534 | ||
| 535 | <pre class='example'> | |
| 536 | #include <cups/cups.h> | |
| 537 | ||
| 538 | int num_options = 0; | |
| 539 | <a href='#cups_option_t'>cups_option_t</a> *options = NULL; | |
| 540 | ||
| 541 | /* The returned num_options value is updated as needed */ | |
| 542 | num_options = <a href='#cupsAddOption'>cupsAddOption</a>("first", "value", num_options, &options); | |
| 543 | ||
| 544 | /* This adds a second option value */ | |
| 545 | num_options = <a href='#cupsAddOption'>cupsAddOption</a>("second", "value", num_options, &options); | |
| 546 | ||
| 547 | /* This replaces the first option we added */ | |
| 548 | num_options = <a href='#cupsAddOption'>cupsAddOption</a>("first", "new value", num_options, &options); | |
| 549 | </pre> | |
| 550 | ||
| 551 | <p>Use a <code>for</code> loop to copy the options from a destination:</p> | |
| 552 | ||
| 553 | <pre class='example'> | |
| 554 | #include <cups/cups.h> | |
| 555 | ||
| 556 | int i; | |
| 557 | int num_options = 0; | |
| 558 | <a href='#cups_option_t'>cups_option_t</a> *options = NULL; | |
| 559 | <a href='#cups_dest_t'>cups_dest_t</a> *dest; | |
| 560 | ||
| 561 | for (i = 0; i < dest->num_options; i ++) | |
| 562 | num_options = <a href='#cupsAddOption'>cupsAddOption</a>(dest->options[i].name, dest->options[i].value, num_options, &options); | |
| 563 | </pre> | |
| 564 | ||
| 565 | <p>Use the <a href='#cupsFreeOptions'><code>cupsFreeOptions</code></a> | |
| 566 | function to free the options array when you are done using it:</p> | |
| 567 | ||
| 568 | <pre class='example'> | |
| 569 | <a href='#cupsFreeOptions'>cupsFreeOptions</a>(num_options, options); | |
| 570 | </pre> | |
| 571 | ||
| 572 | <h3><a name='PRINT_JOBS'>Print Jobs</a></h3> | |
| 573 | ||
| 574 | <p>Print jobs are identified by a locally-unique job ID number from 1 to | |
| 575 | 2<sup>31</sup>-1 and have options and one or more files for printing to a | |
| 576 | single destination. The <a href='#cupsPrintFile'><code>cupsPrintFile</code></a> | |
| 577 | function creates a new job with one file. The following code prints the CUPS | |
| 578 | test page file:</p> | |
| 579 | ||
| 580 | <pre class='example'> | |
| 581 | #include <cups/cups.h> | |
| 582 | ||
| 583 | <a href='#cups_dest_t'>cups_dest_t</a> *dest; | |
| 584 | int num_options; | |
| 585 | <a href='#cups_option_t'>cups_option_t</a> *options; | |
| 586 | int job_id; | |
| 587 | ||
| 588 | /* Print a single file */ | |
| 589 | job_id = <a href='#cupsPrintFile'>cupsPrintFile</a>(dest->name, "/usr/share/cups/data/testprint.ps", "Test Print", num_options, options); | |
| 590 | </pre> | |
| 591 | ||
| 592 | <p>The <a href='#cupsPrintFiles'><code>cupsPrintFiles</code></a> function | |
| 593 | creates a job with multiple files. The files are provided in a | |
| 594 | <code>char *</code> array:</p> | |
| 595 | ||
| 596 | <pre class='example'> | |
| 597 | #include <cups/cups.h> | |
| 598 | ||
| 599 | <a href='#cups_dest_t'>cups_dest_t</a> *dest; | |
| 600 | int num_options; | |
| 601 | <a href='#cups_option_t'>cups_option_t</a> *options; | |
| 602 | int job_id; | |
| 603 | char *files[3] = { "file1.pdf", "file2.pdf", "file3.pdf" }; | |
| 604 | ||
| 605 | /* Print three files */ | |
| 606 | job_id = <a href='#cupsPrintFiles'>cupsPrintFiles</a>(dest->name, 3, files, "Test Print", num_options, options); | |
| 607 | </pre> | |
| 608 | ||
| 609 | <p>Finally, the <a href='#cupsCreateJob'><code>cupsCreateJob</code></a> | |
| 610 | function creates a new job with no files in it. Files are added using the | |
| 611 | <a href='#cupsStartDocument'><code>cupsStartDocument</code></a>, | |
| 612 | <a href='api-httpipp.html#cupsWriteRequestData'><code>cupsWriteRequestData</code></a>, | |
| 613 | and <a href='#cupsFinishDocument'><code>cupsFinishDocument</code></a> functions. | |
| 614 | The following example creates a job with 10 text files for printing:</p> | |
| 615 | ||
| 616 | <pre class='example'> | |
| 617 | #include <cups/cups.h> | |
| 618 | ||
| 619 | <a href='#cups_dest_t'>cups_dest_t</a> *dest; | |
| 620 | int num_options; | |
| 621 | <a href='#cups_option_t'>cups_option_t</a> *options; | |
| 622 | int job_id; | |
| 623 | int i; | |
| 624 | char buffer[1024]; | |
| 625 | ||
| 626 | /* Create the job */ | |
| 627 | job_id = <a href='#cupsCreateJob'>cupsCreateJob</a>(CUPS_HTTP_DEFAULT, dest->name, "10 Text Files", num_options, options); | |
| 628 | ||
| 629 | /* If the job is created, add 10 files */ | |
| 630 | if (job_id > 0) | |
| 631 | { | |
| 632 | for (i = 1; i <= 10; i ++) | |
| 633 | { | |
| 634 | snprintf(buffer, sizeof(buffer), "file%d.txt", i); | |
| 635 | ||
| 636 | <a href='#cupsStartDocument'>cupsStartDocument</a>(CUPS_HTTP_DEFAULT, dest->name, job_id, buffer, CUPS_FORMAT_TEXT, i == 10); | |
| 637 | ||
| 638 | snprintf(buffer, sizeof(buffer), | |
| 639 | "File %d\n" | |
| 640 | "\n" | |
| 641 | "One fish,\n" | |
| 642 | "Two fish,\n | |
| 643 | "Red fish,\n | |
| 644 | "Blue fish\n", i); | |
| 645 | ||
| 646 | /* cupsWriteRequestData can be called as many times as needed */ | |
| 647 | <a href='#cupsWriteRequestData'>cupsWriteRequestData</a>(CUPS_HTTP_DEFAULT, buffer, strlen(buffer)); | |
| 648 | ||
| 649 | <a href='#cupsFinishDocument'>cupsFinishDocument</a>(CUPS_HTTP_DEFAULT, dest->name); | |
| 650 | } | |
| 651 | } | |
| 652 | </pre> | |
| 653 | ||
| 654 | <p>Once you have created a job, you can monitor its status using the | |
| 655 | <a href='#cupsGetJobs'><code>cupsGetJobs</code></a> function, which returns | |
| 656 | an array of <a href='#cups_job_t'><code>cups_job_t</code></a> structures. | |
| 657 | Each contains the job ID (<code>id</code>), destination name | |
| 658 | (<code>dest</code>), title (<code>title</code>), and other information | |
| 659 | associated with the job. The job array is freed using the | |
| 660 | <a href='#cupsFreeJobs'><code>cupsFreeJobs</code></a> function. The following | |
| 661 | example monitors a specific job ID, showing the current job state once every | |
| 662 | 5 seconds until the job is completed:</p> | |
| 663 | ||
| 664 | <pre class='example'> | |
| 665 | #include <cups/cups.h> | |
| 666 | ||
| 667 | <a href='#cups_dest_t'>cups_dest_t</a> *dest; | |
| 668 | int job_id; | |
| 669 | int num_jobs; | |
| 670 | <a href='#cups_job_t'>cups_job_t</a> *jobs; | |
| 671 | int i; | |
| 672 | ipp_jstate_t job_state = IPP_JOB_PENDING; | |
| 673 | ||
| 674 | while (job_state < IPP_JOB_STOPPED) | |
| 675 | { | |
| 676 | /* Get my jobs (1) with any state (-1) */ | |
| 677 | num_jobs = <a href='#cupsGetJobs'>cupsGetJobs</a>(&jobs, dest->name, 1, -1); | |
| 678 | ||
| 679 | /* Loop to find my job */ | |
| 680 | job_state = IPP_JOB_COMPLETED; | |
| 681 | ||
| 682 | for (i = 0; i < num_jobs; i ++) | |
| 683 | if (jobs[i].id == job_id) | |
| 684 | { | |
| 685 | job_state = jobs[i].state; | |
| 686 | break; | |
| 687 | } | |
| 688 | ||
| 689 | /* Free the job array */ | |
| 690 | <a href='#cupsFreeJobs'>cupsFreeJobs</a>(num_jobs, jobs); | |
| 691 | ||
| 692 | /* Show the current state */ | |
| 693 | switch (job_state) | |
| 694 | { | |
| 695 | case IPP_JOB_PENDING : | |
| 696 | printf("Job %d is pending.\n", job_id); | |
| 697 | break; | |
| 698 | case IPP_JOB_HELD : | |
| 699 | printf("Job %d is held.\n", job_id); | |
| 700 | break; | |
| 701 | case IPP_JOB_PROCESSING : | |
| 702 | printf("Job %d is processing.\n", job_id); | |
| 703 | break; | |
| 704 | case IPP_JOB_STOPPED : | |
| 705 | printf("Job %d is stopped.\n", job_id); | |
| 706 | break; | |
| 707 | case IPP_JOB_CANCELED : | |
| 708 | printf("Job %d is canceled.\n", job_id); | |
| 709 | break; | |
| 710 | case IPP_JOB_ABORTED : | |
| 711 | printf("Job %d is aborted.\n", job_id); | |
| 712 | break; | |
| 713 | case IPP_JOB_COMPLETED : | |
| 714 | printf("Job %d is completed.\n", job_id); | |
| 715 | break; | |
| 716 | } | |
| 717 | ||
| 718 | /* Sleep if the job is not finished */ | |
| 719 | if (job_state < IPP_JOB_STOPPED) | |
| 720 | sleep(5); | |
| 721 | } | |
| 722 | </pre> | |
| 723 | ||
| 724 | <p>To cancel a job, use the | |
| 725 | <a href='#cupsCancelJob'><code>cupsCancelJob</code></a> function with the | |
| 726 | job ID:</p> | |
| 727 | ||
| 728 | <pre class='exmaple'> | |
| 729 | #include <cups/cups.h> | |
| 730 | ||
| 731 | <a href='#cups_dest_t'>cups_dest_t</a> *dest; | |
| 732 | int job_id; | |
| 733 | ||
| 734 | <a href='#cupsCancelJob'>cupsCancelJob</a>(dest->name, job_id); | |
| 735 | </pre> | |
| 736 | ||
| 737 | <h3><a name='ERROR_HANDLING'>Error Handling</a></h3> | |
| 738 | ||
| 739 | <p>If any of the CUPS API printing functions returns an error, the reason for | |
| 740 | that error can be found by calling the | |
| 741 | <a href='#cupsLastError'><code>cupsLastError</code></a> and | |
| 742 | <a href='#cupsLastErrorString'><code>cupsLastErrorString</code></a> functions. | |
| 743 | <a href='#cupsLastError'><code>cupsLastError</code></a> returns the last IPP | |
| 744 | error code | |
| 745 | (<a href='api-httpipp.html#ipp_status_t'><code>ipp_status_t</code></a>) | |
| 746 | that was encountered, while | |
| 747 | <a href='#cupsLastErrorString'><code>cupsLastErrorString</code></a> returns | |
| 748 | a (localized) human-readable string that can be shown to the user. For example, | |
| 749 | if any of the job creation functions returns a job ID of 0, you can use | |
| 750 | <a href='#cupsLastErrorString'><code>cupsLastErrorString</code></a> to show | |
| 751 | the reason why the job could not be created:</p> | |
| 752 | ||
| 753 | <pre class='example'> | |
| 754 | #include <cups/cups.h> | |
| 755 | ||
| 756 | int job_id; | |
| 757 | ||
| 758 | if (job_id == 0) | |
| 759 | puts(cupsLastErrorString()); | |
| 760 | </pre> | |
| 761 | ||
| 762 | <h3><a name='PASSWORDS_AND_AUTHENTICATION'>Passwords and Authentication</a></h3> | |
| 763 | ||
| 764 | <p>CUPS supports authentication of any request, including submission of print | |
| 765 | jobs. The default mechanism for getting the username and password is to use the | |
| 766 | login user and a password from the console.</p> | |
| 767 | ||
| 768 | <p>To support other types of applications, in particular Graphical User | |
| 769 | Interfaces ("GUIs"), the CUPS API provides functions to set the default | |
| 770 | username and to register a callback function that returns a password string.</p> | |
| 771 | ||
| 772 | <p>The <a href="#cupsSetPasswordCB"><code>cupsSetPasswordCB</code></a> | |
| 773 | function is used to set a password callback in your program. Only one | |
| 774 | function can be used at any time.</p> | |
| 775 | ||
| 776 | <p>The <a href="#cupsSetUser"><code>cupsSetUser</code></a> function sets the | |
| 777 | current username for authentication. This function can be called by your | |
| 778 | password callback function to change the current username as needed.</p> | |
| 779 | ||
| 780 | <p>The following example shows a simple password callback that gets a | |
| 781 | username and password from the user:</p> | |
| 782 | ||
| 783 | <pre class='example'> | |
| 784 | #include <cups/cups.h> | |
| 785 | ||
| 786 | const char * | |
| 787 | my_password_cb(const char *prompt) | |
| 788 | { | |
| 789 | char user[65]; | |
| 790 | ||
| 791 | ||
| 792 | puts(prompt); | |
| 793 | ||
| 794 | /* Get a username from the user */ | |
| 795 | printf("Username: "); | |
| 796 | if (fgets(user, sizeof(user), stdin) == NULL) | |
| 797 | return (NULL); | |
| 798 | ||
| 799 | /* Strip the newline from the string and set the user */ | |
| 800 | user[strlen(user) - 1] = '\0'; | |
| 801 | ||
| 802 | <a href='#cupsSetUser'>cupsSetUser</a>(user); | |
| 803 | ||
| 804 | /* Use getpass() to ask for the password... */ | |
| 805 | return (getpass("Password: ")); | |
| 806 | } | |
| 807 | ||
| 808 | <a href='#cupsSetPasswordCB'>cupsSetPasswordCB</a>(my_password_cb); | |
| 809 | </pre> | |
| 810 | ||
| 811 | <p>Similarly, a GUI could display the prompt string in a window with input | |
| 812 | fields for the username and password. The username should default to the | |
| 813 | string returned by the <a href="#cupsUser"><code>cupsUser</code></a> | |
| 814 | function.</p> | |
| 815 | <h2 class="title"><a name="FUNCTIONS">Functions</a></h2> | |
| 816 | <h3 class="function"><a name="cupsAddDest">cupsAddDest</a></h3> | |
| 817 | <p class="description">Add a destination to the list of destinations.</p> | |
| 818 | <p class="code"> | |
| 819 | int cupsAddDest (<br> | |
| 820 | const char *name,<br> | |
| 821 | const char *instance,<br> | |
| 822 | int num_dests,<br> | |
| 823 | <a href="#cups_dest_t">cups_dest_t</a> **dests<br> | |
| 824 | );</p> | |
| 825 | <h4 class="parameters">Parameters</h4> | |
| 826 | <dl> | |
| 827 | <dt>name</dt> | |
| 828 | <dd class="description">Destination name</dd> | |
| 829 | <dt>instance</dt> | |
| 830 | <dd class="description">Instance name or <code>NULL</code> for none/primary</dd> | |
| 831 | <dt>num_dests</dt> | |
| 832 | <dd class="description">Number of destinations</dd> | |
| 833 | <dt>dests</dt> | |
| 834 | <dd class="description">Destinations</dd> | |
| 835 | </dl> | |
| 836 | <h4 class="returnvalue">Return Value</h4> | |
| 837 | <p class="description">New number of destinations</p> | |
| 838 | <h4 class="discussion">Discussion</h4> | |
| 839 | <p class="discussion">This function cannot be used to add a new class or printer queue, | |
| 2abf387c | 840 | it only adds a new container of saved options for the named |
| 5a738aea MS |
841 | destination or instance.<br> |
| 842 | <br> | |
| 843 | If the named destination already exists, the destination list is | |
| 2abf387c | 844 | returned unchanged. Adding a new instance of a destination creates |
| 5a738aea MS |
845 | a copy of that destination's options.<br> |
| 846 | <br> | |
| 847 | Use the <a href="#cupsSaveDests"><code>cupsSaveDests</code></a> function to save the updated list of | |
| 848 | destinations to the user's lpoptions file.</p> | |
| 849 | <h3 class="function"><a name="cupsAddOption">cupsAddOption</a></h3> | |
| 850 | <p class="description">Add an option to an option array.</p> | |
| 851 | <p class="code"> | |
| 852 | int cupsAddOption (<br> | |
| 853 | const char *name,<br> | |
| 854 | const char *value,<br> | |
| 855 | int num_options,<br> | |
| 856 | <a href="#cups_option_t">cups_option_t</a> **options<br> | |
| 857 | );</p> | |
| 858 | <h4 class="parameters">Parameters</h4> | |
| 859 | <dl> | |
| 860 | <dt>name</dt> | |
| 861 | <dd class="description">Name of option</dd> | |
| 862 | <dt>value</dt> | |
| 863 | <dd class="description">Value of option</dd> | |
| 864 | <dt>num_options</dt> | |
| 865 | <dd class="description">Number of options</dd> | |
| 866 | <dt>options</dt> | |
| 867 | <dd class="description">Pointer to options</dd> | |
| 868 | </dl> | |
| 869 | <h4 class="returnvalue">Return Value</h4> | |
| 870 | <p class="description">Number of options</p> | |
| 871 | <h4 class="discussion">Discussion</h4> | |
| 872 | <p class="discussion">New option arrays can be initialized simply by passing 0 for the | |
| 873 | "num_options" parameter.</p> | |
| 874 | <h3 class="function"><a name="cupsCancelJob">cupsCancelJob</a></h3> | |
| 875 | <p class="description">Cancel a print job on the default server.</p> | |
| 876 | <p class="code"> | |
| 877 | int cupsCancelJob (<br> | |
| 878 | const char *name,<br> | |
| 879 | int job_id<br> | |
| 880 | );</p> | |
| 881 | <h4 class="parameters">Parameters</h4> | |
| 882 | <dl> | |
| 883 | <dt>name</dt> | |
| 884 | <dd class="description">Name of printer or class</dd> | |
| 885 | <dt>job_id</dt> | |
| 886 | <dd class="description">Job ID</dd> | |
| 887 | </dl> | |
| 888 | <h4 class="returnvalue">Return Value</h4> | |
| 889 | <p class="description">1 on success, 0 on failure</p> | |
| 890 | <h4 class="discussion">Discussion</h4> | |
| 891 | <p class="discussion">Pass <code>CUPS_JOBID_ALL</code> to cancel all jobs or <code>CUPS_JOBID_CURRENT</code> | |
| 892 | to cancel the current job on the named destination.<br> | |
| 893 | <br> | |
| 894 | Use the <a href="#cupsLastError"><code>cupsLastError</code></a> and <a href="#cupsLastErrorString"><code>cupsLastErrorString</code></a> functions to get | |
| 895 | the cause of any failure.</p> | |
| 896 | <h3 class="function"><span class="info"> CUPS 1.4 </span><a name="cupsCancelJob2">cupsCancelJob2</a></h3> | |
| 897 | <p class="description">Cancel or purge a print job.</p> | |
| 898 | <p class="code"> | |
| 899 | ipp_status_t cupsCancelJob2 (<br> | |
| 900 | http_t *http,<br> | |
| 901 | const char *name,<br> | |
| 902 | int job_id,<br> | |
| 903 | int purge<br> | |
| 904 | );</p> | |
| 905 | <h4 class="parameters">Parameters</h4> | |
| 906 | <dl> | |
| 907 | <dt>http</dt> | |
| 908 | <dd class="description">HTTP connection or <code>CUPS_HTTP_DEFAULT</code></dd> | |
| 909 | <dt>name</dt> | |
| 910 | <dd class="description">Name of printer or class</dd> | |
| 911 | <dt>job_id</dt> | |
| 912 | <dd class="description">Job ID or 0 for the current job, -1 for all jobs</dd> | |
| 913 | <dt>purge</dt> | |
| 914 | <dd class="description">1 to purge, 0 to cancel</dd> | |
| 915 | </dl> | |
| 916 | <h4 class="returnvalue">Return Value</h4> | |
| 917 | <p class="description">IPP status</p> | |
| 918 | <h4 class="discussion">Discussion</h4> | |
| 919 | <p class="discussion">Canceled jobs remain in the job history while purged jobs are removed | |
| 920 | from the job history.<br> | |
| 921 | <br> | |
| 922 | Pass <code>CUPS_JOBID_ALL</code> to cancel all jobs or <code>CUPS_JOBID_CURRENT</code> | |
| 923 | to cancel the current job on the named destination.<br> | |
| 924 | <br> | |
| 925 | Use the <a href="#cupsLastError"><code>cupsLastError</code></a> and <a href="#cupsLastErrorString"><code>cupsLastErrorString</code></a> functions to get | |
| bc44d920 | 926 | the cause of any failure. |
| 5a738aea MS |
927 | |
| 928 | </p> | |
| 929 | <h3 class="function"><span class="info"> CUPS 1.4 </span><a name="cupsCreateJob">cupsCreateJob</a></h3> | |
| 930 | <p class="description">Create an empty job.</p> | |
| 931 | <p class="code"> | |
| 932 | int cupsCreateJob (<br> | |
| 933 | http_t *http,<br> | |
| 934 | const char *name,<br> | |
| 935 | const char *title,<br> | |
| 936 | int num_options,<br> | |
| 937 | <a href="#cups_option_t">cups_option_t</a> *options<br> | |
| 938 | );</p> | |
| 939 | <h4 class="parameters">Parameters</h4> | |
| 940 | <dl> | |
| 941 | <dt>http</dt> | |
| 942 | <dd class="description">HTTP connection or <code>CUPS_HTTP_DEFAULT</code></dd> | |
| 943 | <dt>name</dt> | |
| 944 | <dd class="description">Printer or class name</dd> | |
| 945 | <dt>title</dt> | |
| 946 | <dd class="description">Title of job</dd> | |
| 947 | <dt>num_options</dt> | |
| 948 | <dd class="description">Number of options</dd> | |
| 949 | <dt>options</dt> | |
| 950 | <dd class="description">Options</dd> | |
| 951 | </dl> | |
| 952 | <h4 class="returnvalue">Return Value</h4> | |
| 953 | <p class="description">Job ID or 0 on error</p> | |
| 954 | <h4 class="discussion">Discussion</h4> | |
| 955 | <p class="discussion">Submit files for printing to the job using the <a href="#cupsStartDocument"><code>cupsStartDocument</code></a>, | |
| 956 | <a href="#cupsWriteRequestData"><code>cupsWriteRequestData</code></a>, and <a href="#cupsFinishDocument"><code>cupsFinishDocument</code></a> functions. | |
| 957 | ||
| 958 | </p> | |
| 959 | <h3 class="function"><a name="cupsEncryption">cupsEncryption</a></h3> | |
| 960 | <p class="description">Get the default encryption settings.</p> | |
| 961 | <p class="code"> | |
| 962 | http_encryption_t cupsEncryption (void);</p> | |
| 963 | <h4 class="returnvalue">Return Value</h4> | |
| 964 | <p class="description">Encryption settings</p> | |
| 965 | <h4 class="discussion">Discussion</h4> | |
| 966 | <p class="discussion">The default encryption setting comes from the CUPS_ENCRYPTION | |
| ef416fc2 | 967 | environment variable, then the ~/.cupsrc file, and finally the |
| 968 | /etc/cups/client.conf file. If not set, the default is | |
| 5a738aea MS |
969 | <code>HTTP_ENCRYPT_IF_REQUESTED</code>.</p> |
| 970 | <h3 class="function"><span class="info"> CUPS 1.4 </span><a name="cupsFinishDocument">cupsFinishDocument</a></h3> | |
| 971 | <p class="description">Finish sending a document.</p> | |
| 972 | <p class="code"> | |
| 973 | ipp_status_t cupsFinishDocument (<br> | |
| 974 | http_t *http,<br> | |
| 975 | const char *name<br> | |
| 976 | );</p> | |
| 977 | <h4 class="parameters">Parameters</h4> | |
| 978 | <dl> | |
| 979 | <dt>http</dt> | |
| 980 | <dd class="description">HTTP connection or <code>CUPS_HTTP_DEFAULT</code></dd> | |
| 981 | <dt>name</dt> | |
| 982 | <dd class="description">Printer or class name</dd> | |
| 983 | </dl> | |
| 984 | <h4 class="returnvalue">Return Value</h4> | |
| 985 | <p class="description">Status of document submission</p> | |
| 986 | <h4 class="discussion">Discussion</h4> | |
| 987 | <p class="discussion">The document must have been started using <a href="#cupsStartDocument"><code>cupsStartDocument</code></a>. | |
| 988 | ||
| 989 | </p> | |
| 990 | <h3 class="function"><a name="cupsFreeDests">cupsFreeDests</a></h3> | |
| 991 | <p class="description">Free the memory used by the list of destinations.</p> | |
| 992 | <p class="code"> | |
| 993 | void cupsFreeDests (<br> | |
| 994 | int num_dests,<br> | |
| 995 | <a href="#cups_dest_t">cups_dest_t</a> *dests<br> | |
| 996 | );</p> | |
| 997 | <h4 class="parameters">Parameters</h4> | |
| 998 | <dl> | |
| 999 | <dt>num_dests</dt> | |
| 1000 | <dd class="description">Number of destinations</dd> | |
| 1001 | <dt>dests</dt> | |
| 1002 | <dd class="description">Destinations</dd> | |
| 1003 | </dl> | |
| 1004 | <h3 class="function"><a name="cupsFreeJobs">cupsFreeJobs</a></h3> | |
| 1005 | <p class="description">Free memory used by job data.</p> | |
| 1006 | <p class="code"> | |
| 1007 | void cupsFreeJobs (<br> | |
| 1008 | int num_jobs,<br> | |
| 1009 | <a href="#cups_job_t">cups_job_t</a> *jobs<br> | |
| 1010 | );</p> | |
| 1011 | <h4 class="parameters">Parameters</h4> | |
| 1012 | <dl> | |
| 1013 | <dt>num_jobs</dt> | |
| 1014 | <dd class="description">Number of jobs</dd> | |
| 1015 | <dt>jobs</dt> | |
| 1016 | <dd class="description">Jobs</dd> | |
| 1017 | </dl> | |
| 1018 | <h3 class="function"><a name="cupsFreeOptions">cupsFreeOptions</a></h3> | |
| 1019 | <p class="description">Free all memory used by options.</p> | |
| 1020 | <p class="code"> | |
| 1021 | void cupsFreeOptions (<br> | |
| 1022 | int num_options,<br> | |
| 1023 | <a href="#cups_option_t">cups_option_t</a> *options<br> | |
| 1024 | );</p> | |
| 1025 | <h4 class="parameters">Parameters</h4> | |
| 1026 | <dl> | |
| 1027 | <dt>num_options</dt> | |
| 1028 | <dd class="description">Number of options</dd> | |
| 1029 | <dt>options</dt> | |
| 1030 | <dd class="description">Pointer to options</dd> | |
| 1031 | </dl> | |
| 1032 | <h3 class="function"><span class="info"> DEPRECATED </span><a name="cupsGetClasses">cupsGetClasses</a></h3> | |
| 1033 | <p class="description">Get a list of printer classes from the default server.</p> | |
| 1034 | <p class="code"> | |
| 1035 | int cupsGetClasses (<br> | |
| 1036 | char ***classes<br> | |
| 1037 | );</p> | |
| 1038 | <h4 class="parameters">Parameters</h4> | |
| 1039 | <dl> | |
| 1040 | <dt>classes</dt> | |
| 1041 | <dd class="description">Classes</dd> | |
| 1042 | </dl> | |
| 1043 | <h4 class="returnvalue">Return Value</h4> | |
| 1044 | <p class="description">Number of classes</p> | |
| 1045 | <h4 class="discussion">Discussion</h4> | |
| 1046 | <p class="discussion">This function is deprecated - use <a href="#cupsGetDests"><code>cupsGetDests</code></a> instead. | |
| 1047 | ||
| 1048 | </p> | |
| 1049 | <h3 class="function"><a name="cupsGetDefault">cupsGetDefault</a></h3> | |
| 1050 | <p class="description">Get the default printer or class for the default server.</p> | |
| 1051 | <p class="code"> | |
| 1052 | const char *cupsGetDefault (void);</p> | |
| 1053 | <h4 class="returnvalue">Return Value</h4> | |
| 1054 | <p class="description">Default printer or <code>NULL</code></p> | |
| 1055 | <h4 class="discussion">Discussion</h4> | |
| 1056 | <p class="discussion">This function returns the default printer or class as defined by | |
| ef416fc2 | 1057 | the LPDEST or PRINTER environment variables. If these environment |
| 1058 | variables are not set, the server default destination is returned. | |
| 5a738aea MS |
1059 | Applications should use the <a href="#cupsGetDests"><code>cupsGetDests</code></a> and <a href="#cupsGetDest"><code>cupsGetDest</code></a> |
| 1060 | functions to get the user-defined default printer, as this function does | |
| 1061 | not support the lpoptions-defined default printer.</p> | |
| 1062 | <h3 class="function"><span class="info"> CUPS 1.1.21 </span><a name="cupsGetDefault2">cupsGetDefault2</a></h3> | |
| 1063 | <p class="description">Get the default printer or class for the specified server.</p> | |
| 1064 | <p class="code"> | |
| 1065 | const char *cupsGetDefault2 (<br> | |
| 1066 | http_t *http<br> | |
| 1067 | );</p> | |
| 1068 | <h4 class="parameters">Parameters</h4> | |
| 1069 | <dl> | |
| 1070 | <dt>http</dt> | |
| 1071 | <dd class="description">HTTP connection or <code>CUPS_HTTP_DEFAULT</code></dd> | |
| 1072 | </dl> | |
| 1073 | <h4 class="returnvalue">Return Value</h4> | |
| 1074 | <p class="description">Default printer or <code>NULL</code></p> | |
| 1075 | <h4 class="discussion">Discussion</h4> | |
| 1076 | <p class="discussion">This function returns the default printer or class as defined by | |
| ef416fc2 | 1077 | the LPDEST or PRINTER environment variables. If these environment |
| 1078 | variables are not set, the server default destination is returned. | |
| 5a738aea MS |
1079 | Applications should use the <a href="#cupsGetDests"><code>cupsGetDests</code></a> and <a href="#cupsGetDest"><code>cupsGetDest</code></a> |
| 1080 | functions to get the user-defined default printer, as this function does | |
| 1081 | not support the lpoptions-defined default printer. | |
| 1082 | ||
| 1083 | </p> | |
| 1084 | <h3 class="function"><a name="cupsGetDest">cupsGetDest</a></h3> | |
| 1085 | <p class="description">Get the named destination from the list.</p> | |
| 1086 | <p class="code"> | |
| 1087 | <a href="#cups_dest_t">cups_dest_t</a> *cupsGetDest (<br> | |
| 1088 | const char *name,<br> | |
| 1089 | const char *instance,<br> | |
| 1090 | int num_dests,<br> | |
| 1091 | <a href="#cups_dest_t">cups_dest_t</a> *dests<br> | |
| 1092 | );</p> | |
| 1093 | <h4 class="parameters">Parameters</h4> | |
| 1094 | <dl> | |
| 1095 | <dt>name</dt> | |
| 1096 | <dd class="description">Destination name or <code>NULL</code> for the default destination</dd> | |
| 1097 | <dt>instance</dt> | |
| 1098 | <dd class="description">Instance name or <code>NULL</code></dd> | |
| 1099 | <dt>num_dests</dt> | |
| 1100 | <dd class="description">Number of destinations</dd> | |
| 1101 | <dt>dests</dt> | |
| 1102 | <dd class="description">Destinations</dd> | |
| 1103 | </dl> | |
| 1104 | <h4 class="returnvalue">Return Value</h4> | |
| 1105 | <p class="description">Destination pointer or <code>NULL</code></p> | |
| 1106 | <h4 class="discussion">Discussion</h4> | |
| 1107 | <p class="discussion">Use the <a href="#cupsGetDests"><code>cupsGetDests</code></a> or <a href="#cupsGetDests2"><code>cupsGetDests2</code></a> functions to get a | |
| 1108 | list of supported destinations for the current user.</p> | |
| 1109 | <h3 class="function"><a name="cupsGetDests">cupsGetDests</a></h3> | |
| 1110 | <p class="description">Get the list of destinations from the default server.</p> | |
| 1111 | <p class="code"> | |
| 1112 | int cupsGetDests (<br> | |
| 1113 | <a href="#cups_dest_t">cups_dest_t</a> **dests<br> | |
| 1114 | );</p> | |
| 1115 | <h4 class="parameters">Parameters</h4> | |
| 1116 | <dl> | |
| 1117 | <dt>dests</dt> | |
| 1118 | <dd class="description">Destinations</dd> | |
| 1119 | </dl> | |
| 1120 | <h4 class="returnvalue">Return Value</h4> | |
| 1121 | <p class="description">Number of destinations</p> | |
| 1122 | <h4 class="discussion">Discussion</h4> | |
| 1123 | <p class="discussion">Starting with CUPS 1.2, the returned list of destinations include the | |
| ecdc0628 | 1124 | printer-info, printer-is-accepting-jobs, printer-is-shared, |
| 1125 | printer-make-and-model, printer-state, printer-state-change-time, | |
| 5a738aea MS |
1126 | printer-state-reasons, and printer-type attributes as options.<br> |
| 1127 | <br> | |
| 1128 | Use the <a href="#cupsFreeDests"><code>cupsFreeDests</code></a> function to free the destination list and | |
| 1129 | the <a href="#cupsGetDest"><code>cupsGetDest</code></a> function to find a particular destination.</p> | |
| 1130 | <h3 class="function"><span class="info"> CUPS 1.1.21 </span><a name="cupsGetDests2">cupsGetDests2</a></h3> | |
| 1131 | <p class="description">Get the list of destinations from the specified server.</p> | |
| 1132 | <p class="code"> | |
| 1133 | int cupsGetDests2 (<br> | |
| 1134 | http_t *http,<br> | |
| 1135 | <a href="#cups_dest_t">cups_dest_t</a> **dests<br> | |
| 1136 | );</p> | |
| 1137 | <h4 class="parameters">Parameters</h4> | |
| 1138 | <dl> | |
| 1139 | <dt>http</dt> | |
| 1140 | <dd class="description">HTTP connection or <code>CUPS_HTTP_DEFAULT</code></dd> | |
| 1141 | <dt>dests</dt> | |
| 1142 | <dd class="description">Destinations</dd> | |
| 1143 | </dl> | |
| 1144 | <h4 class="returnvalue">Return Value</h4> | |
| 1145 | <p class="description">Number of destinations</p> | |
| 1146 | <h4 class="discussion">Discussion</h4> | |
| 1147 | <p class="discussion">Starting with CUPS 1.2, the returned list of destinations include the | |
| ecdc0628 | 1148 | printer-info, printer-is-accepting-jobs, printer-is-shared, |
| 1149 | printer-make-and-model, printer-state, printer-state-change-time, | |
| 5a738aea MS |
1150 | printer-state-reasons, and printer-type attributes as options.<br> |
| 1151 | <br> | |
| 1152 | Use the <a href="#cupsFreeDests"><code>cupsFreeDests</code></a> function to free the destination list and | |
| 1153 | the <a href="#cupsGetDest"><code>cupsGetDest</code></a> function to find a particular destination. | |
| ef416fc2 | 1154 | |
| 5a738aea MS |
1155 | </p> |
| 1156 | <h3 class="function"><span class="info"> CUPS 1.1.20 </span><a name="cupsGetFd">cupsGetFd</a></h3> | |
| 1157 | <p class="description">Get a file from the server.</p> | |
| 1158 | <p class="code"> | |
| 1159 | http_status_t cupsGetFd (<br> | |
| 1160 | http_t *http,<br> | |
| 1161 | const char *resource,<br> | |
| 1162 | int fd<br> | |
| 1163 | );</p> | |
| 1164 | <h4 class="parameters">Parameters</h4> | |
| 1165 | <dl> | |
| 1166 | <dt>http</dt> | |
| 1167 | <dd class="description">HTTP connection to server or <code>CUPS_HTTP_DEFAULT</code></dd> | |
| 1168 | <dt>resource</dt> | |
| 1169 | <dd class="description">Resource name</dd> | |
| 1170 | <dt>fd</dt> | |
| 1171 | <dd class="description">File descriptor</dd> | |
| 1172 | </dl> | |
| 1173 | <h4 class="returnvalue">Return Value</h4> | |
| 1174 | <p class="description">HTTP status</p> | |
| 1175 | <h4 class="discussion">Discussion</h4> | |
| 1176 | <p class="discussion">This function returns <code>HTTP_OK</code> when the file is successfully retrieved. | |
| bc44d920 | 1177 | |
| 5a738aea MS |
1178 | </p> |
| 1179 | <h3 class="function"><span class="info"> CUPS 1.1.20 </span><a name="cupsGetFile">cupsGetFile</a></h3> | |
| 1180 | <p class="description">Get a file from the server.</p> | |
| 1181 | <p class="code"> | |
| 1182 | http_status_t cupsGetFile (<br> | |
| 1183 | http_t *http,<br> | |
| 1184 | const char *resource,<br> | |
| 1185 | const char *filename<br> | |
| 1186 | );</p> | |
| 1187 | <h4 class="parameters">Parameters</h4> | |
| 1188 | <dl> | |
| 1189 | <dt>http</dt> | |
| 1190 | <dd class="description">HTTP connection to server or <code>CUPS_HTTP_DEFAULT</code></dd> | |
| 1191 | <dt>resource</dt> | |
| 1192 | <dd class="description">Resource name</dd> | |
| 1193 | <dt>filename</dt> | |
| 1194 | <dd class="description">Filename</dd> | |
| 1195 | </dl> | |
| 1196 | <h4 class="returnvalue">Return Value</h4> | |
| 1197 | <p class="description">HTTP status</p> | |
| 1198 | <h4 class="discussion">Discussion</h4> | |
| 1199 | <p class="discussion">This function returns <code>HTTP_OK</code> when the file is successfully retrieved. | |
| 1200 | ||
| 1201 | </p> | |
| 1202 | <h3 class="function"><a name="cupsGetJobs">cupsGetJobs</a></h3> | |
| 1203 | <p class="description">Get the jobs from the default server.</p> | |
| 1204 | <p class="code"> | |
| 1205 | int cupsGetJobs (<br> | |
| 1206 | <a href="#cups_job_t">cups_job_t</a> **jobs,<br> | |
| 1207 | const char *name,<br> | |
| 1208 | int myjobs,<br> | |
| 1209 | int whichjobs<br> | |
| 1210 | );</p> | |
| 1211 | <h4 class="parameters">Parameters</h4> | |
| 1212 | <dl> | |
| 1213 | <dt>jobs</dt> | |
| 1214 | <dd class="description">Job data</dd> | |
| 1215 | <dt>name</dt> | |
| 1216 | <dd class="description"><code>NULL</code> = all destinations, otherwise show jobs for mydest</dd> | |
| 1217 | <dt>myjobs</dt> | |
| 1218 | <dd class="description">0 = all users, 1 = mine</dd> | |
| 1219 | <dt>whichjobs</dt> | |
| 1220 | <dd class="description"><code>CUPS_WHICHJOBS_ALL</code>, <code>CUPS_WHICHJOBS_ACTIVE</code>, or <code>CUPS_WHICHJOBS_COMPLETED</code></dd> | |
| 1221 | </dl> | |
| 1222 | <h4 class="returnvalue">Return Value</h4> | |
| 1223 | <p class="description">Number of jobs</p> | |
| 1224 | <h4 class="discussion">Discussion</h4> | |
| 1225 | <p class="discussion">A "whichjobs" value of <code>CUPS_WHICHJOBS_ALL</code> returns all jobs regardless | |
| 1226 | of state, while <code>CUPS_WHICHJOBS_ACTIVE</code> returns jobs that are | |
| 1227 | pending, processing, or held and <code>CUPS_WHICHJOBS_COMPLETED</code> returns | |
| 1228 | jobs that are stopped, canceled, aborted, or completed.</p> | |
| 1229 | <h3 class="function"><span class="info"> CUPS 1.1.21 </span><a name="cupsGetJobs2">cupsGetJobs2</a></h3> | |
| 1230 | <p class="description">Get the jobs from the specified server.</p> | |
| 1231 | <p class="code"> | |
| 1232 | int cupsGetJobs2 (<br> | |
| 1233 | http_t *http,<br> | |
| 1234 | <a href="#cups_job_t">cups_job_t</a> **jobs,<br> | |
| 1235 | const char *name,<br> | |
| 1236 | int myjobs,<br> | |
| 1237 | int whichjobs<br> | |
| 1238 | );</p> | |
| 1239 | <h4 class="parameters">Parameters</h4> | |
| 1240 | <dl> | |
| 1241 | <dt>http</dt> | |
| 1242 | <dd class="description">HTTP connection or <code>CUPS_HTTP_DEFAULT</code></dd> | |
| 1243 | <dt>jobs</dt> | |
| 1244 | <dd class="description">Job data</dd> | |
| 1245 | <dt>name</dt> | |
| 1246 | <dd class="description"><code>NULL</code> = all destinations, otherwise show jobs for mydest</dd> | |
| 1247 | <dt>myjobs</dt> | |
| 1248 | <dd class="description">0 = all users, 1 = mine</dd> | |
| 1249 | <dt>whichjobs</dt> | |
| 1250 | <dd class="description"><code>CUPS_WHICHJOBS_ALL</code>, <code>CUPS_WHICHJOBS_ACTIVE</code>, or <code>CUPS_WHICHJOBS_COMPLETED</code></dd> | |
| 1251 | </dl> | |
| 1252 | <h4 class="returnvalue">Return Value</h4> | |
| 1253 | <p class="description">Number of jobs</p> | |
| 1254 | <h4 class="discussion">Discussion</h4> | |
| 1255 | <p class="discussion">A "whichjobs" value of <code>CUPS_WHICHJOBS_ALL</code> returns all jobs regardless | |
| 1256 | of state, while <code>CUPS_WHICHJOBS_ACTIVE</code> returns jobs that are | |
| 1257 | pending, processing, or held and <code>CUPS_WHICHJOBS_COMPLETED</code> returns | |
| 1258 | jobs that are stopped, canceled, aborted, or completed. | |
| 1259 | ||
| 1260 | </p> | |
| 1261 | <h3 class="function"><span class="info"> CUPS 1.4 </span><a name="cupsGetNamedDest">cupsGetNamedDest</a></h3> | |
| 1262 | <p class="description">Get options for the named destination.</p> | |
| 1263 | <p class="code"> | |
| 1264 | <a href="#cups_dest_t">cups_dest_t</a> *cupsGetNamedDest (<br> | |
| 1265 | http_t *http,<br> | |
| 1266 | const char *name,<br> | |
| 1267 | const char *instance<br> | |
| 1268 | );</p> | |
| 1269 | <h4 class="parameters">Parameters</h4> | |
| 1270 | <dl> | |
| 1271 | <dt>http</dt> | |
| 1272 | <dd class="description">HTTP connection or <code>CUPS_HTTP_DEFAULT</code></dd> | |
| 1273 | <dt>name</dt> | |
| 1274 | <dd class="description">Destination name or <code>NULL</code></dd> | |
| 1275 | <dt>instance</dt> | |
| 1276 | <dd class="description">Instance name or <code>NULL</code></dd> | |
| 1277 | </dl> | |
| 1278 | <h4 class="returnvalue">Return Value</h4> | |
| 1279 | <p class="description">Destination or <code>NULL</code></p> | |
| 1280 | <h4 class="discussion">Discussion</h4> | |
| 1281 | <p class="discussion">This function is optimized for retrieving a single destination and should | |
| 1282 | be used instead of <a href="#cupsGetDests"><code>cupsGetDests</code></a> and <a href="#cupsGetDest"><code>cupsGetDest</code></a> when you either | |
| 1283 | know the name of the destination or want to print to the default destination. | |
| 1284 | If <code>NULL</code> is returned, the destination does not exist or there is no | |
| 1285 | default destination.<br> | |
| 1286 | <br> | |
| 1287 | If "http" is <code>CUPS_HTTP_DEFAULT</code>, the connection to the default print | |
| 1288 | server will be used.<br> | |
| 1289 | <br> | |
| 1290 | If "name" is <code>NULL</code>, the default printer for the current user will be | |
| 1291 | returned.<br> | |
| 1292 | <br> | |
| 1293 | The returned destination must be freed using <a href="#cupsFreeDests"><code>cupsFreeDests</code></a> with a | |
| 1294 | "num_dests" value of 1. | |
| 1295 | ||
| 1296 | </p> | |
| 1297 | <h3 class="function"><a name="cupsGetOption">cupsGetOption</a></h3> | |
| 1298 | <p class="description">Get an option value.</p> | |
| 1299 | <p class="code"> | |
| 1300 | const char *cupsGetOption (<br> | |
| 1301 | const char *name,<br> | |
| 1302 | int num_options,<br> | |
| 1303 | <a href="#cups_option_t">cups_option_t</a> *options<br> | |
| 1304 | );</p> | |
| 1305 | <h4 class="parameters">Parameters</h4> | |
| 1306 | <dl> | |
| 1307 | <dt>name</dt> | |
| 1308 | <dd class="description">Name of option</dd> | |
| 1309 | <dt>num_options</dt> | |
| 1310 | <dd class="description">Number of options</dd> | |
| 1311 | <dt>options</dt> | |
| 1312 | <dd class="description">Options</dd> | |
| 1313 | </dl> | |
| 1314 | <h4 class="returnvalue">Return Value</h4> | |
| 1315 | <p class="description">Option value or <code>NULL</code></p> | |
| 1316 | <h3 class="function"><a name="cupsGetPPD">cupsGetPPD</a></h3> | |
| 1317 | <p class="description">Get the PPD file for a printer on the default server.</p> | |
| 1318 | <p class="code"> | |
| 1319 | const char *cupsGetPPD (<br> | |
| 1320 | const char *name<br> | |
| 1321 | );</p> | |
| 1322 | <h4 class="parameters">Parameters</h4> | |
| 1323 | <dl> | |
| 1324 | <dt>name</dt> | |
| 1325 | <dd class="description">Printer name</dd> | |
| 1326 | </dl> | |
| 1327 | <h4 class="returnvalue">Return Value</h4> | |
| 1328 | <p class="description">Filename for PPD file</p> | |
| 1329 | <h4 class="discussion">Discussion</h4> | |
| 1330 | <p class="discussion">For classes, <code>cupsGetPPD</code> returns the PPD file for the first printer | |
| 1331 | in the class.</p> | |
| 1332 | <h3 class="function"><span class="info"> CUPS 1.1.21 </span><a name="cupsGetPPD2">cupsGetPPD2</a></h3> | |
| 1333 | <p class="description">Get the PPD file for a printer from the specified server.</p> | |
| 1334 | <p class="code"> | |
| 1335 | const char *cupsGetPPD2 (<br> | |
| 1336 | http_t *http,<br> | |
| 1337 | const char *name<br> | |
| 1338 | );</p> | |
| 1339 | <h4 class="parameters">Parameters</h4> | |
| 1340 | <dl> | |
| 1341 | <dt>http</dt> | |
| 1342 | <dd class="description">HTTP connection or <code>CUPS_HTTP_DEFAULT</code></dd> | |
| 1343 | <dt>name</dt> | |
| 1344 | <dd class="description">Printer name</dd> | |
| 1345 | </dl> | |
| 1346 | <h4 class="returnvalue">Return Value</h4> | |
| 1347 | <p class="description">Filename for PPD file</p> | |
| 1348 | <h4 class="discussion">Discussion</h4> | |
| 1349 | <p class="discussion">For classes, <code>cupsGetPPD2</code> returns the PPD file for the first printer | |
| 1350 | in the class. | |
| 1351 | ||
| 1352 | </p> | |
| 1353 | <h3 class="function"><a name="cupsGetPPD3">cupsGetPPD3</a></h3> | |
| 1354 | <p class="description">Get the PPD file for a printer on the specified | |
| 1355 | server if it has changed.</p> | |
| 1356 | <p class="code"> | |
| 1357 | http_status_t cupsGetPPD3 (<br> | |
| 1358 | http_t *http,<br> | |
| 1359 | const char *name,<br> | |
| 1360 | time_t *modtime,<br> | |
| 1361 | char *buffer,<br> | |
| 1362 | size_t bufsize<br> | |
| 1363 | );</p> | |
| 1364 | <h4 class="parameters">Parameters</h4> | |
| 1365 | <dl> | |
| 1366 | <dt>http</dt> | |
| 1367 | <dd class="description">HTTP connection or <code>CUPS_HTTP_DEFAULT</code></dd> | |
| 1368 | <dt>name</dt> | |
| 1369 | <dd class="description">Printer name</dd> | |
| 1370 | <dt>modtime</dt> | |
| 1371 | <dd class="description">Modification time</dd> | |
| 1372 | <dt>buffer</dt> | |
| 1373 | <dd class="description">Filename buffer</dd> | |
| 1374 | <dt>bufsize</dt> | |
| 1375 | <dd class="description">Size of filename buffer</dd> | |
| 1376 | </dl> | |
| 1377 | <h4 class="returnvalue">Return Value</h4> | |
| 1378 | <p class="description">HTTP status</p> | |
| 1379 | <h4 class="discussion">Discussion</h4> | |
| 1380 | <p class="discussion">The "modtime" parameter contains the modification time of any | |
| 2e4ff8af | 1381 | locally-cached content and is updated with the time from the PPD file on |
| 5a738aea MS |
1382 | the server.<br> |
| 1383 | <br> | |
| 1384 | The "buffer" parameter contains the local PPD filename. If it contains | |
| 2e4ff8af | 1385 | the empty string, a new temporary file is created, otherwise the existing |
| 5a738aea MS |
1386 | file will be overwritten as needed.<br> |
| 1387 | <br> | |
| 1388 | On success, <code>HTTP_OK</code> is returned for a new PPD file and | |
| 1389 | <code>HTTP_NOT_MODIFIED</code> if the existing PPD file is up-to-date. Any other | |
| 1390 | status is an error.<br> | |
| 1391 | <br> | |
| 1392 | For classes, <code>cupsGetPPD3</code> returns the PPD file for the first printer | |
| 1393 | in the class.</p> | |
| 1394 | <h3 class="function"><a name="cupsGetPassword">cupsGetPassword</a></h3> | |
| 1395 | <p class="description">Get a password from the user.</p> | |
| 1396 | <p class="code"> | |
| 1397 | const char *cupsGetPassword (<br> | |
| 1398 | const char *prompt<br> | |
| 1399 | );</p> | |
| 1400 | <h4 class="parameters">Parameters</h4> | |
| 1401 | <dl> | |
| 1402 | <dt>prompt</dt> | |
| 1403 | <dd class="description">Prompt string</dd> | |
| 1404 | </dl> | |
| 1405 | <h4 class="returnvalue">Return Value</h4> | |
| 1406 | <p class="description">Password</p> | |
| 1407 | <h4 class="discussion">Discussion</h4> | |
| 1408 | <p class="discussion">Uses the current password callback function. Returns <code>NULL</code> if the | |
| 1409 | user does not provide a password.</p> | |
| 1410 | <h3 class="function"><span class="info"> DEPRECATED </span><a name="cupsGetPrinters">cupsGetPrinters</a></h3> | |
| 1411 | <p class="description">Get a list of printers from the default server.</p> | |
| 1412 | <p class="code"> | |
| 1413 | int cupsGetPrinters (<br> | |
| 1414 | char ***printers<br> | |
| 1415 | );</p> | |
| 1416 | <h4 class="parameters">Parameters</h4> | |
| 1417 | <dl> | |
| 1418 | <dt>printers</dt> | |
| 1419 | <dd class="description">Printers</dd> | |
| 1420 | </dl> | |
| 1421 | <h4 class="returnvalue">Return Value</h4> | |
| 1422 | <p class="description">Number of printers</p> | |
| 1423 | <h4 class="discussion">Discussion</h4> | |
| 1424 | <p class="discussion">This function is deprecated - use <a href="#cupsGetDests"><code>cupsGetDests</code></a> instead. | |
| 1425 | ||
| 1426 | </p> | |
| 1427 | <h3 class="function"><span class="info"> CUPS 1.3 </span><a name="cupsGetServerPPD">cupsGetServerPPD</a></h3> | |
| 1428 | <p class="description">Get an available PPD file from the server.</p> | |
| 1429 | <p class="code"> | |
| 1430 | char *cupsGetServerPPD (<br> | |
| 1431 | http_t *http,<br> | |
| 1432 | const char *name<br> | |
| 1433 | );</p> | |
| 1434 | <h4 class="parameters">Parameters</h4> | |
| 1435 | <dl> | |
| 1436 | <dt>http</dt> | |
| 1437 | <dd class="description">HTTP connection or <code>CUPS_HTTP_DEFAULT</code></dd> | |
| 1438 | <dt>name</dt> | |
| 1439 | <dd class="description">Name of PPD file ("ppd-name")</dd> | |
| 1440 | </dl> | |
| 1441 | <h4 class="returnvalue">Return Value</h4> | |
| 1442 | <p class="description">Name of PPD file or <code>NULL</code> on error</p> | |
| 1443 | <h4 class="discussion">Discussion</h4> | |
| 1444 | <p class="discussion">This function returns the named PPD file from the server. The | |
| 1445 | list of available PPDs is provided by the IPP <code>CUPS_GET_PPDS</code> | |
| 1446 | operation.<br> | |
| 1447 | <br> | |
| 1448 | You must remove (unlink) the PPD file when you are finished with | |
| bc44d920 | 1449 | it. The PPD filename is stored in a static location that will be |
| 5a738aea MS |
1450 | overwritten on the next call to <a href="#cupsGetPPD"><code>cupsGetPPD</code></a>, <a href="#cupsGetPPD2"><code>cupsGetPPD2</code></a>, |
| 1451 | or <a href="#cupsGetServerPPD"><code>cupsGetServerPPD</code></a>. | |
| 1452 | ||
| 1453 | </p> | |
| 1454 | <h3 class="function"><a name="cupsLangDefault">cupsLangDefault</a></h3> | |
| 1455 | <p class="description">Return the default language.</p> | |
| 1456 | <p class="code"> | |
| 1457 | cups_lang_t *cupsLangDefault (void);</p> | |
| 1458 | <h4 class="returnvalue">Return Value</h4> | |
| 1459 | <p class="description">Language data</p> | |
| 1460 | <h3 class="function"><a name="cupsLangEncoding">cupsLangEncoding</a></h3> | |
| 1461 | <p class="description">Return the character encoding (us-ascii, etc.) | |
| 1462 | for the given language.</p> | |
| 1463 | <p class="code"> | |
| 1464 | const char *cupsLangEncoding (<br> | |
| 1465 | cups_lang_t *lang<br> | |
| 1466 | );</p> | |
| 1467 | <h4 class="parameters">Parameters</h4> | |
| 1468 | <dl> | |
| 1469 | <dt>lang</dt> | |
| 1470 | <dd class="description">Language data</dd> | |
| 1471 | </dl> | |
| 1472 | <h4 class="returnvalue">Return Value</h4> | |
| 1473 | <p class="description">Character encoding</p> | |
| 1474 | <h3 class="function"><a name="cupsLangFlush">cupsLangFlush</a></h3> | |
| 1475 | <p class="description">Flush all language data out of the cache.</p> | |
| 1476 | <p class="code"> | |
| 1477 | void cupsLangFlush (void);</p> | |
| 1478 | <h3 class="function"><a name="cupsLangFree">cupsLangFree</a></h3> | |
| 1479 | <p class="description">Free language data.</p> | |
| 1480 | <p class="code"> | |
| 1481 | void cupsLangFree (<br> | |
| 1482 | cups_lang_t *lang<br> | |
| 1483 | );</p> | |
| 1484 | <h4 class="parameters">Parameters</h4> | |
| 1485 | <dl> | |
| 1486 | <dt>lang</dt> | |
| 1487 | <dd class="description">Language to free</dd> | |
| 1488 | </dl> | |
| 1489 | <h4 class="discussion">Discussion</h4> | |
| 1490 | <p class="discussion">This does not actually free anything; use <a href="#cupsLangFlush"><code>cupsLangFlush</code></a> for that.</p> | |
| 1491 | <h3 class="function"><a name="cupsLangGet">cupsLangGet</a></h3> | |
| 1492 | <p class="description">Get a language.</p> | |
| 1493 | <p class="code"> | |
| 1494 | cups_lang_t *cupsLangGet (<br> | |
| 1495 | const char *language<br> | |
| 1496 | );</p> | |
| 1497 | <h4 class="parameters">Parameters</h4> | |
| 1498 | <dl> | |
| 1499 | <dt>language</dt> | |
| 1500 | <dd class="description">Language or locale</dd> | |
| 1501 | </dl> | |
| 1502 | <h4 class="returnvalue">Return Value</h4> | |
| 1503 | <p class="description">Language data</p> | |
| 1504 | <h3 class="function"><a name="cupsLastError">cupsLastError</a></h3> | |
| 1505 | <p class="description">Return the last IPP status code.</p> | |
| 1506 | <p class="code"> | |
| 1507 | ipp_status_t cupsLastError (void);</p> | |
| 1508 | <h4 class="returnvalue">Return Value</h4> | |
| 1509 | <p class="description">IPP status code from last request</p> | |
| 1510 | <h3 class="function"><span class="info"> CUPS 1.2 </span><a name="cupsLastErrorString">cupsLastErrorString</a></h3> | |
| 1511 | <p class="description">Return the last IPP status-message.</p> | |
| 1512 | <p class="code"> | |
| 1513 | const char *cupsLastErrorString (void);</p> | |
| 1514 | <h4 class="returnvalue">Return Value</h4> | |
| 1515 | <p class="description">status-message text from last request</p> | |
| 1516 | <h3 class="function"><span class="info"> CUPS 1.2 </span><a name="cupsNotifySubject">cupsNotifySubject</a></h3> | |
| 1517 | <p class="description">Return the subject for the given notification message.</p> | |
| 1518 | <p class="code"> | |
| 1519 | char *cupsNotifySubject (<br> | |
| 1520 | cups_lang_t *lang,<br> | |
| 1521 | ipp_t *event<br> | |
| 1522 | );</p> | |
| 1523 | <h4 class="parameters">Parameters</h4> | |
| 1524 | <dl> | |
| 1525 | <dt>lang</dt> | |
| 1526 | <dd class="description">Language data</dd> | |
| 1527 | <dt>event</dt> | |
| 1528 | <dd class="description">Event data</dd> | |
| 1529 | </dl> | |
| 1530 | <h4 class="returnvalue">Return Value</h4> | |
| 1531 | <p class="description">Subject string or <code>NULL</code></p> | |
| 1532 | <h4 class="discussion">Discussion</h4> | |
| 1533 | <p class="discussion">The returned string must be freed by the caller using free(). | |
| 1534 | ||
| 1535 | </p> | |
| 1536 | <h3 class="function"><span class="info"> CUPS 1.2 </span><a name="cupsNotifyText">cupsNotifyText</a></h3> | |
| 1537 | <p class="description">Return the text for the given notification message.</p> | |
| 1538 | <p class="code"> | |
| 1539 | char *cupsNotifyText (<br> | |
| 1540 | cups_lang_t *lang,<br> | |
| 1541 | ipp_t *event<br> | |
| 1542 | );</p> | |
| 1543 | <h4 class="parameters">Parameters</h4> | |
| 1544 | <dl> | |
| 1545 | <dt>lang</dt> | |
| 1546 | <dd class="description">Language data</dd> | |
| 1547 | <dt>event</dt> | |
| 1548 | <dd class="description">Event data</dd> | |
| 1549 | </dl> | |
| 1550 | <h4 class="returnvalue">Return Value</h4> | |
| 1551 | <p class="description">Message text or <code>NULL</code></p> | |
| 1552 | <h4 class="discussion">Discussion</h4> | |
| 1553 | <p class="discussion">The returned string must be freed by the caller using <code>free</code>. | |
| 1554 | ||
| 1555 | </p> | |
| 1556 | <h3 class="function"><a name="cupsParseOptions">cupsParseOptions</a></h3> | |
| 1557 | <p class="description">Parse options from a command-line argument.</p> | |
| 1558 | <p class="code"> | |
| 1559 | int cupsParseOptions (<br> | |
| 1560 | const char *arg,<br> | |
| 1561 | int num_options,<br> | |
| 1562 | <a href="#cups_option_t">cups_option_t</a> **options<br> | |
| 1563 | );</p> | |
| 1564 | <h4 class="parameters">Parameters</h4> | |
| 1565 | <dl> | |
| 1566 | <dt>arg</dt> | |
| 1567 | <dd class="description">Argument to parse</dd> | |
| 1568 | <dt>num_options</dt> | |
| 1569 | <dd class="description">Number of options</dd> | |
| 1570 | <dt>options</dt> | |
| 1571 | <dd class="description">Options found</dd> | |
| 1572 | </dl> | |
| 1573 | <h4 class="returnvalue">Return Value</h4> | |
| 1574 | <p class="description">Number of options found</p> | |
| 1575 | <h4 class="discussion">Discussion</h4> | |
| 1576 | <p class="discussion">This function converts space-delimited name/value pairs according | |
| ef416fc2 | 1577 | to the PAPI text option ABNF specification. Collection values |
| 1578 | ("name={a=... b=... c=...}") are stored with the curley brackets | |
| 5a738aea MS |
1579 | intact - use <code>cupsParseOptions</code> on the value to extract the |
| 1580 | collection attributes.</p> | |
| 1581 | <h3 class="function"><a name="cupsPrintFile">cupsPrintFile</a></h3> | |
| 1582 | <p class="description">Print a file to a printer or class on the default server.</p> | |
| 1583 | <p class="code"> | |
| 1584 | int cupsPrintFile (<br> | |
| 1585 | const char *name,<br> | |
| 1586 | const char *filename,<br> | |
| 1587 | const char *title,<br> | |
| 1588 | int num_options,<br> | |
| 1589 | <a href="#cups_option_t">cups_option_t</a> *options<br> | |
| 1590 | );</p> | |
| 1591 | <h4 class="parameters">Parameters</h4> | |
| 1592 | <dl> | |
| 1593 | <dt>name</dt> | |
| 1594 | <dd class="description">Printer or class name</dd> | |
| 1595 | <dt>filename</dt> | |
| 1596 | <dd class="description">File to print</dd> | |
| 1597 | <dt>title</dt> | |
| 1598 | <dd class="description">Title of job</dd> | |
| 1599 | <dt>num_options</dt> | |
| 1600 | <dd class="description">Number of options</dd> | |
| 1601 | <dt>options</dt> | |
| 1602 | <dd class="description">Options</dd> | |
| 1603 | </dl> | |
| 1604 | <h4 class="returnvalue">Return Value</h4> | |
| 1605 | <p class="description">Job ID or 0 on error</p> | |
| 1606 | <h3 class="function"><span class="info"> CUPS 1.1.21 </span><a name="cupsPrintFile2">cupsPrintFile2</a></h3> | |
| 1607 | <p class="description">Print a file to a printer or class on the specified | |
| 1608 | server.</p> | |
| 1609 | <p class="code"> | |
| 1610 | int cupsPrintFile2 (<br> | |
| 1611 | http_t *http,<br> | |
| 1612 | const char *name,<br> | |
| 1613 | const char *filename,<br> | |
| 1614 | const char *title,<br> | |
| 1615 | int num_options,<br> | |
| 1616 | <a href="#cups_option_t">cups_option_t</a> *options<br> | |
| 1617 | );</p> | |
| 1618 | <h4 class="parameters">Parameters</h4> | |
| 1619 | <dl> | |
| 1620 | <dt>http</dt> | |
| 1621 | <dd class="description">HTTP connection</dd> | |
| 1622 | <dt>name</dt> | |
| 1623 | <dd class="description">Printer or class name</dd> | |
| 1624 | <dt>filename</dt> | |
| 1625 | <dd class="description">File to print</dd> | |
| 1626 | <dt>title</dt> | |
| 1627 | <dd class="description">Title of job</dd> | |
| 1628 | <dt>num_options</dt> | |
| 1629 | <dd class="description">Number of options</dd> | |
| 1630 | <dt>options</dt> | |
| 1631 | <dd class="description">Options</dd> | |
| 1632 | </dl> | |
| 1633 | <h4 class="returnvalue">Return Value</h4> | |
| 1634 | <p class="description">Job ID or 0 on error</p> | |
| 1635 | <h3 class="function"><a name="cupsPrintFiles">cupsPrintFiles</a></h3> | |
| 1636 | <p class="description">Print one or more files to a printer or class on the | |
| 1637 | default server.</p> | |
| 1638 | <p class="code"> | |
| 1639 | int cupsPrintFiles (<br> | |
| 1640 | const char *name,<br> | |
| 1641 | int num_files,<br> | |
| 1642 | const char **files,<br> | |
| 1643 | const char *title,<br> | |
| 1644 | int num_options,<br> | |
| 1645 | <a href="#cups_option_t">cups_option_t</a> *options<br> | |
| 1646 | );</p> | |
| 1647 | <h4 class="parameters">Parameters</h4> | |
| 1648 | <dl> | |
| 1649 | <dt>name</dt> | |
| 1650 | <dd class="description">Printer or class name</dd> | |
| 1651 | <dt>num_files</dt> | |
| 1652 | <dd class="description">Number of files</dd> | |
| 1653 | <dt>files</dt> | |
| 1654 | <dd class="description">File(s) to print</dd> | |
| 1655 | <dt>title</dt> | |
| 1656 | <dd class="description">Title of job</dd> | |
| 1657 | <dt>num_options</dt> | |
| 1658 | <dd class="description">Number of options</dd> | |
| 1659 | <dt>options</dt> | |
| 1660 | <dd class="description">Options</dd> | |
| 1661 | </dl> | |
| 1662 | <h4 class="returnvalue">Return Value</h4> | |
| 1663 | <p class="description">Job ID or 0 on error</p> | |
| 1664 | <h3 class="function"><span class="info"> CUPS 1.1.21 </span><a name="cupsPrintFiles2">cupsPrintFiles2</a></h3> | |
| 1665 | <p class="description">Print one or more files to a printer or class on the | |
| 1666 | specified server.</p> | |
| 1667 | <p class="code"> | |
| 1668 | int cupsPrintFiles2 (<br> | |
| 1669 | http_t *http,<br> | |
| 1670 | const char *name,<br> | |
| 1671 | int num_files,<br> | |
| 1672 | const char **files,<br> | |
| 1673 | const char *title,<br> | |
| 1674 | int num_options,<br> | |
| 1675 | <a href="#cups_option_t">cups_option_t</a> *options<br> | |
| 1676 | );</p> | |
| 1677 | <h4 class="parameters">Parameters</h4> | |
| 1678 | <dl> | |
| 1679 | <dt>http</dt> | |
| 1680 | <dd class="description">HTTP connection or <code>CUPS_HTTP_DEFAULT</code></dd> | |
| 1681 | <dt>name</dt> | |
| 1682 | <dd class="description">Printer or class name</dd> | |
| 1683 | <dt>num_files</dt> | |
| 1684 | <dd class="description">Number of files</dd> | |
| 1685 | <dt>files</dt> | |
| 1686 | <dd class="description">File(s) to print</dd> | |
| 1687 | <dt>title</dt> | |
| 1688 | <dd class="description">Title of job</dd> | |
| 1689 | <dt>num_options</dt> | |
| 1690 | <dd class="description">Number of options</dd> | |
| 1691 | <dt>options</dt> | |
| 1692 | <dd class="description">Options</dd> | |
| 1693 | </dl> | |
| 1694 | <h4 class="returnvalue">Return Value</h4> | |
| 1695 | <p class="description">Job ID or 0 on error</p> | |
| 1696 | <h3 class="function"><span class="info"> CUPS 1.1.20 </span><a name="cupsPutFd">cupsPutFd</a></h3> | |
| 1697 | <p class="description">Put a file on the server.</p> | |
| 1698 | <p class="code"> | |
| 1699 | http_status_t cupsPutFd (<br> | |
| 1700 | http_t *http,<br> | |
| 1701 | const char *resource,<br> | |
| 1702 | int fd<br> | |
| 1703 | );</p> | |
| 1704 | <h4 class="parameters">Parameters</h4> | |
| 1705 | <dl> | |
| 1706 | <dt>http</dt> | |
| 1707 | <dd class="description">HTTP connection to server or <code>CUPS_HTTP_DEFAULT</code></dd> | |
| 1708 | <dt>resource</dt> | |
| 1709 | <dd class="description">Resource name</dd> | |
| 1710 | <dt>fd</dt> | |
| 1711 | <dd class="description">File descriptor</dd> | |
| 1712 | </dl> | |
| 1713 | <h4 class="returnvalue">Return Value</h4> | |
| 1714 | <p class="description">HTTP status</p> | |
| 1715 | <h4 class="discussion">Discussion</h4> | |
| 1716 | <p class="discussion">This function returns <code>HTTP_CREATED</code> when the file is stored | |
| 1717 | successfully. | |
| 1718 | ||
| 1719 | </p> | |
| 1720 | <h3 class="function"><span class="info"> CUPS 1.1.20 </span><a name="cupsPutFile">cupsPutFile</a></h3> | |
| 1721 | <p class="description">Put a file on the server.</p> | |
| 1722 | <p class="code"> | |
| 1723 | http_status_t cupsPutFile (<br> | |
| 1724 | http_t *http,<br> | |
| 1725 | const char *resource,<br> | |
| 1726 | const char *filename<br> | |
| 1727 | );</p> | |
| 1728 | <h4 class="parameters">Parameters</h4> | |
| 1729 | <dl> | |
| 1730 | <dt>http</dt> | |
| 1731 | <dd class="description">HTTP connection to server or <code>CUPS_HTTP_DEFAULT</code></dd> | |
| 1732 | <dt>resource</dt> | |
| 1733 | <dd class="description">Resource name</dd> | |
| 1734 | <dt>filename</dt> | |
| 1735 | <dd class="description">Filename</dd> | |
| 1736 | </dl> | |
| 1737 | <h4 class="returnvalue">Return Value</h4> | |
| 1738 | <p class="description">HTTP status</p> | |
| 1739 | <h4 class="discussion">Discussion</h4> | |
| 1740 | <p class="discussion">This function returns <code>HTTP_CREATED</code> when the file is stored | |
| 1741 | successfully. | |
| 1742 | ||
| 1743 | </p> | |
| 1744 | <h3 class="function"><span class="info"> CUPS 1.3 </span><a name="cupsRemoveDest">cupsRemoveDest</a></h3> | |
| 1745 | <p class="description">Remove a destination from the destination list.</p> | |
| 1746 | <p class="code"> | |
| 1747 | int cupsRemoveDest (<br> | |
| 1748 | const char *name,<br> | |
| 1749 | const char *instance,<br> | |
| 1750 | int num_dests,<br> | |
| 1751 | <a href="#cups_dest_t">cups_dest_t</a> **dests<br> | |
| 1752 | );</p> | |
| 1753 | <h4 class="parameters">Parameters</h4> | |
| 1754 | <dl> | |
| 1755 | <dt>name</dt> | |
| 1756 | <dd class="description">Destination name</dd> | |
| 1757 | <dt>instance</dt> | |
| 1758 | <dd class="description">Instance name or <code>NULL</code></dd> | |
| 1759 | <dt>num_dests</dt> | |
| 1760 | <dd class="description">Number of destinations</dd> | |
| 1761 | <dt>dests</dt> | |
| 1762 | <dd class="description">Destinations</dd> | |
| 1763 | </dl> | |
| 1764 | <h4 class="returnvalue">Return Value</h4> | |
| 1765 | <p class="description">New number of destinations</p> | |
| 1766 | <h4 class="discussion">Discussion</h4> | |
| 1767 | <p class="discussion">Removing a destination/instance does not delete the class or printer | |
| f7deaa1a | 1768 | queue, merely the lpoptions for that destination/instance. Use the |
| 5a738aea MS |
1769 | <a href="#cupsSetDests"><code>cupsSetDests</code></a> or <a href="#cupsSetDests2"><code>cupsSetDests2</code></a> functions to save the new |
| 1770 | options for the user. | |
| 1771 | ||
| 1772 | </p> | |
| 1773 | <h3 class="function"><span class="info"> CUPS 1.2 </span><a name="cupsRemoveOption">cupsRemoveOption</a></h3> | |
| 1774 | <p class="description">Remove an option from an option array.</p> | |
| 1775 | <p class="code"> | |
| 1776 | int cupsRemoveOption (<br> | |
| 1777 | const char *name,<br> | |
| 1778 | int num_options,<br> | |
| 1779 | <a href="#cups_option_t">cups_option_t</a> **options<br> | |
| 1780 | );</p> | |
| 1781 | <h4 class="parameters">Parameters</h4> | |
| 1782 | <dl> | |
| 1783 | <dt>name</dt> | |
| 1784 | <dd class="description">Option name</dd> | |
| 1785 | <dt>num_options</dt> | |
| 1786 | <dd class="description">Current number of options</dd> | |
| 1787 | <dt>options</dt> | |
| 1788 | <dd class="description">Options</dd> | |
| 1789 | </dl> | |
| 1790 | <h4 class="returnvalue">Return Value</h4> | |
| 1791 | <p class="description">New number of options</p> | |
| 1792 | <h3 class="function"><a name="cupsServer">cupsServer</a></h3> | |
| 1793 | <p class="description">Return the hostname/address of the default server.</p> | |
| 1794 | <p class="code"> | |
| 1795 | const char *cupsServer (void);</p> | |
| 1796 | <h4 class="returnvalue">Return Value</h4> | |
| 1797 | <p class="description">Server name</p> | |
| 1798 | <h4 class="discussion">Discussion</h4> | |
| 1799 | <p class="discussion">The returned value can be a fully-qualified hostname, a numeric | |
| 1800 | IPv4 or IPv6 address, or a domain socket pathname.</p> | |
| 1801 | <h3 class="function"><span class="info"> CUPS 1.3 </span><a name="cupsSetDefaultDest">cupsSetDefaultDest</a></h3> | |
| 1802 | <p class="description">Set the default destination.</p> | |
| 1803 | <p class="code"> | |
| 1804 | void cupsSetDefaultDest (<br> | |
| 1805 | const char *name,<br> | |
| 1806 | const char *instance,<br> | |
| 1807 | int num_dests,<br> | |
| 1808 | <a href="#cups_dest_t">cups_dest_t</a> *dests<br> | |
| 1809 | );</p> | |
| 1810 | <h4 class="parameters">Parameters</h4> | |
| 1811 | <dl> | |
| 1812 | <dt>name</dt> | |
| 1813 | <dd class="description">Destination name</dd> | |
| 1814 | <dt>instance</dt> | |
| 1815 | <dd class="description">Instance name or <code>NULL</code></dd> | |
| 1816 | <dt>num_dests</dt> | |
| 1817 | <dd class="description">Number of destinations</dd> | |
| 1818 | <dt>dests</dt> | |
| 1819 | <dd class="description">Destinations</dd> | |
| 1820 | </dl> | |
| 1821 | <h3 class="function"><a name="cupsSetDests">cupsSetDests</a></h3> | |
| 1822 | <p class="description">Save the list of destinations for the default server.</p> | |
| 1823 | <p class="code"> | |
| 1824 | void cupsSetDests (<br> | |
| 1825 | int num_dests,<br> | |
| 1826 | <a href="#cups_dest_t">cups_dest_t</a> *dests<br> | |
| 1827 | );</p> | |
| 1828 | <h4 class="parameters">Parameters</h4> | |
| 1829 | <dl> | |
| 1830 | <dt>num_dests</dt> | |
| 1831 | <dd class="description">Number of destinations</dd> | |
| 1832 | <dt>dests</dt> | |
| 1833 | <dd class="description">Destinations</dd> | |
| 1834 | </dl> | |
| 1835 | <h4 class="discussion">Discussion</h4> | |
| 1836 | <p class="discussion">This function saves the destinations to /etc/cups/lpoptions when run | |
| 1837 | as root and ~/.cups/lpoptions when run as a normal user.</p> | |
| 1838 | <h3 class="function"><span class="info"> CUPS 1.1.21 </span><a name="cupsSetDests2">cupsSetDests2</a></h3> | |
| 1839 | <p class="description">Save the list of destinations for the specified server.</p> | |
| 1840 | <p class="code"> | |
| 1841 | int cupsSetDests2 (<br> | |
| 1842 | http_t *http,<br> | |
| 1843 | int num_dests,<br> | |
| 1844 | <a href="#cups_dest_t">cups_dest_t</a> *dests<br> | |
| 1845 | );</p> | |
| 1846 | <h4 class="parameters">Parameters</h4> | |
| 1847 | <dl> | |
| 1848 | <dt>http</dt> | |
| 1849 | <dd class="description">HTTP connection or <code>CUPS_HTTP_DEFAULT</code></dd> | |
| 1850 | <dt>num_dests</dt> | |
| 1851 | <dd class="description">Number of destinations</dd> | |
| 1852 | <dt>dests</dt> | |
| 1853 | <dd class="description">Destinations</dd> | |
| 1854 | </dl> | |
| 1855 | <h4 class="returnvalue">Return Value</h4> | |
| 1856 | <p class="description">0 on success, -1 on error</p> | |
| 1857 | <h4 class="discussion">Discussion</h4> | |
| 1858 | <p class="discussion">This function saves the destinations to /etc/cups/lpoptions when run | |
| 80ca4592 | 1859 | as root and ~/.cups/lpoptions when run as a normal user. |
| ef416fc2 | 1860 | |
| 5a738aea MS |
1861 | </p> |
| 1862 | <h3 class="function"><a name="cupsSetEncryption">cupsSetEncryption</a></h3> | |
| 1863 | <p class="description">Set the encryption preference.</p> | |
| 1864 | <p class="code"> | |
| 1865 | void cupsSetEncryption (<br> | |
| 1866 | http_encryption_t e<br> | |
| 1867 | );</p> | |
| 1868 | <h4 class="parameters">Parameters</h4> | |
| 1869 | <dl> | |
| 1870 | <dt>e</dt> | |
| 1871 | <dd class="description">New encryption preference</dd> | |
| 1872 | </dl> | |
| 1873 | <h3 class="function"><a name="cupsSetPasswordCB">cupsSetPasswordCB</a></h3> | |
| 1874 | <p class="description">Set the password callback for CUPS.</p> | |
| 1875 | <p class="code"> | |
| 1876 | void cupsSetPasswordCB (<br> | |
| 1877 | <a href="#cups_password_cb_t">cups_password_cb_t</a> cb<br> | |
| 1878 | );</p> | |
| 1879 | <h4 class="parameters">Parameters</h4> | |
| 1880 | <dl> | |
| 1881 | <dt>cb</dt> | |
| 1882 | <dd class="description">Callback function</dd> | |
| 1883 | </dl> | |
| 1884 | <h4 class="discussion">Discussion</h4> | |
| 1885 | <p class="discussion">Pass <code>NULL</code> to restore the default (console) password callback.</p> | |
| 1886 | <h3 class="function"><a name="cupsSetServer">cupsSetServer</a></h3> | |
| 1887 | <p class="description">Set the default server name.</p> | |
| 1888 | <p class="code"> | |
| 1889 | void cupsSetServer (<br> | |
| 1890 | const char *server<br> | |
| 1891 | );</p> | |
| 1892 | <h4 class="parameters">Parameters</h4> | |
| 1893 | <dl> | |
| 1894 | <dt>server</dt> | |
| 1895 | <dd class="description">Server name</dd> | |
| 1896 | </dl> | |
| 1897 | <h4 class="discussion">Discussion</h4> | |
| 1898 | <p class="discussion">The "server" string can be a fully-qualified hostname, a numeric | |
| 1899 | IPv4 or IPv6 address, or a domain socket pathname. Pass <code>NULL</code> to | |
| 1900 | restore the default server name.</p> | |
| 1901 | <h3 class="function"><a name="cupsSetUser">cupsSetUser</a></h3> | |
| 1902 | <p class="description">Set the default user name.</p> | |
| 1903 | <p class="code"> | |
| 1904 | void cupsSetUser (<br> | |
| 1905 | const char *user<br> | |
| 1906 | );</p> | |
| 1907 | <h4 class="parameters">Parameters</h4> | |
| 1908 | <dl> | |
| 1909 | <dt>user</dt> | |
| 1910 | <dd class="description">User name</dd> | |
| 1911 | </dl> | |
| 1912 | <h4 class="discussion">Discussion</h4> | |
| 1913 | <p class="discussion">Pass <code>NULL</code> to restore the default user name.</p> | |
| 1914 | <h3 class="function"><span class="info"> CUPS 1.4 </span><a name="cupsStartDocument">cupsStartDocument</a></h3> | |
| 1915 | <p class="description">Add a document to a job created with cupsCreateJob().</p> | |
| 1916 | <p class="code"> | |
| 1917 | http_status_t cupsStartDocument (<br> | |
| 1918 | http_t *http,<br> | |
| 1919 | const char *name,<br> | |
| 1920 | int job_id,<br> | |
| 1921 | const char *docname,<br> | |
| 1922 | const char *format,<br> | |
| 1923 | int last_document<br> | |
| 1924 | );</p> | |
| 1925 | <h4 class="parameters">Parameters</h4> | |
| 1926 | <dl> | |
| 1927 | <dt>http</dt> | |
| 1928 | <dd class="description">HTTP connection or <code>CUPS_HTTP_DEFAULT</code></dd> | |
| 1929 | <dt>name</dt> | |
| 1930 | <dd class="description">Printer or class name</dd> | |
| 1931 | <dt>job_id</dt> | |
| 1932 | <dd class="description">Job ID from <a href="#cupsCreateJob"><code>cupsCreateJob</code></a></dd> | |
| 1933 | <dt>docname</dt> | |
| 1934 | <dd class="description">Name of document</dd> | |
| 1935 | <dt>format</dt> | |
| 1936 | <dd class="description">MIME type or <code>CUPS_FORMAT_foo</code></dd> | |
| 1937 | <dt>last_document</dt> | |
| 1938 | <dd class="description">1 for last document in job, 0 otherwise</dd> | |
| 1939 | </dl> | |
| 1940 | <h4 class="returnvalue">Return Value</h4> | |
| 1941 | <p class="description">HTTP status of request</p> | |
| 1942 | <h4 class="discussion">Discussion</h4> | |
| 1943 | <p class="discussion">Use <a href="#cupsWriteRequestData"><code>cupsWriteRequestData</code></a> to write data for the document and | |
| 1944 | <a href="#cupsFinishDocument"><code>cupsFinishDocument</code></a> to finish the document and get the submission status.<br> | |
| 1945 | <br> | |
| 1946 | The MIME type constants <code>CUPS_FORMAT_AUTO</code>, <code>CUPS_FORMAT_PDF</code>, | |
| 1947 | <code>CUPS_FORMAT_POSTSCRIPT</code>, <code>CUPS_FORMAT_RAW</code>, and | |
| 1948 | <code>CUPS_FORMAT_TEXT</code> are provided for the "format" argument, although | |
| 1949 | any supported MIME type string can be supplied. | |
| bc44d920 | 1950 | |
| 5a738aea MS |
1951 | </p> |
| 1952 | <h3 class="function"><a name="cupsTempFd">cupsTempFd</a></h3> | |
| 1953 | <p class="description">Creates a temporary file.</p> | |
| 1954 | <p class="code"> | |
| 1955 | int cupsTempFd (<br> | |
| 1956 | char *filename,<br> | |
| 1957 | int len<br> | |
| 1958 | );</p> | |
| 1959 | <h4 class="parameters">Parameters</h4> | |
| 1960 | <dl> | |
| 1961 | <dt>filename</dt> | |
| 1962 | <dd class="description">Pointer to buffer</dd> | |
| 1963 | <dt>len</dt> | |
| 1964 | <dd class="description">Size of buffer</dd> | |
| 1965 | </dl> | |
| 1966 | <h4 class="returnvalue">Return Value</h4> | |
| 1967 | <p class="description">New file descriptor or -1 on error</p> | |
| 1968 | <h4 class="discussion">Discussion</h4> | |
| 1969 | <p class="discussion">The temporary filename is returned in the filename buffer. | |
| 1970 | The temporary file is opened for reading and writing.</p> | |
| 1971 | <h3 class="function"><span class="info"> DEPRECATED </span><a name="cupsTempFile">cupsTempFile</a></h3> | |
| 1972 | <p class="description">Generates a temporary filename.</p> | |
| 1973 | <p class="code"> | |
| 1974 | char *cupsTempFile (<br> | |
| 1975 | char *filename,<br> | |
| 1976 | int len<br> | |
| 1977 | );</p> | |
| 1978 | <h4 class="parameters">Parameters</h4> | |
| 1979 | <dl> | |
| 1980 | <dt>filename</dt> | |
| 1981 | <dd class="description">Pointer to buffer</dd> | |
| 1982 | <dt>len</dt> | |
| 1983 | <dd class="description">Size of buffer</dd> | |
| 1984 | </dl> | |
| 1985 | <h4 class="returnvalue">Return Value</h4> | |
| 1986 | <p class="description">Filename or NULL on error</p> | |
| 1987 | <h4 class="discussion">Discussion</h4> | |
| 1988 | <p class="discussion">The temporary filename is returned in the filename buffer. | |
| 1989 | This function is deprecated - use <a href="#cupsTempFd"><code>cupsTempFd</code></a> or | |
| 1990 | <a href="#cupsTempFile2"><code>cupsTempFile2</code></a> instead. | |
| ef416fc2 | 1991 | |
| 5a738aea MS |
1992 | </p> |
| 1993 | <h3 class="function"><span class="info"> CUPS 1.2 </span><a name="cupsTempFile2">cupsTempFile2</a></h3> | |
| 1994 | <p class="description">Creates a temporary CUPS file.</p> | |
| 1995 | <p class="code"> | |
| 1996 | cups_file_t *cupsTempFile2 (<br> | |
| 1997 | char *filename,<br> | |
| 1998 | int len<br> | |
| 1999 | );</p> | |
| 2000 | <h4 class="parameters">Parameters</h4> | |
| 2001 | <dl> | |
| 2002 | <dt>filename</dt> | |
| 2003 | <dd class="description">Pointer to buffer</dd> | |
| 2004 | <dt>len</dt> | |
| 2005 | <dd class="description">Size of buffer</dd> | |
| 2006 | </dl> | |
| 2007 | <h4 class="returnvalue">Return Value</h4> | |
| 2008 | <p class="description">CUPS file or NULL on error</p> | |
| 2009 | <h4 class="discussion">Discussion</h4> | |
| 2010 | <p class="discussion">The temporary filename is returned in the filename buffer. | |
| 2011 | The temporary file is opened for writing. | |
| bc44d920 | 2012 | |
| 5a738aea MS |
2013 | </p> |
| 2014 | <h3 class="function"><a name="cupsUser">cupsUser</a></h3> | |
| 2015 | <p class="description">Return the current user's name.</p> | |
| 2016 | <p class="code"> | |
| 2017 | const char *cupsUser (void);</p> | |
| 2018 | <h4 class="returnvalue">Return Value</h4> | |
| 2019 | <p class="description">User name</p> | |
| 2020 | <h2 class="title"><a name="TYPES">Data Types</a></h2> | |
| 2021 | <h3 class="typedef"><a name="cups_dest_t">cups_dest_t</a></h3> | |
| 2022 | <p class="description">Destination</p> | |
| 2023 | <p class="code"> | |
| 2024 | typedef struct <a href="#cups_dest_s">cups_dest_s</a> cups_dest_t; | |
| 2025 | </p> | |
| 2026 | <h3 class="typedef"><a name="cups_job_t">cups_job_t</a></h3> | |
| 2027 | <p class="description">Job</p> | |
| 2028 | <p class="code"> | |
| 2029 | typedef struct <a href="#cups_job_s">cups_job_s</a> cups_job_t; | |
| 2030 | </p> | |
| 2031 | <h3 class="typedef"><a name="cups_option_t">cups_option_t</a></h3> | |
| 2032 | <p class="description">Printer Options</p> | |
| 2033 | <p class="code"> | |
| 2034 | typedef struct <a href="#cups_option_s">cups_option_s</a> cups_option_t; | |
| 2035 | </p> | |
| 2036 | <h3 class="typedef"><a name="cups_password_cb_t">cups_password_cb_t</a></h3> | |
| 2037 | <p class="description">Password callback</p> | |
| 2038 | <p class="code"> | |
| 2039 | typedef const char *(*cups_password_cb_t)(const char *); | |
| 2040 | </p> | |
| 2041 | <h3 class="typedef"><a name="cups_ptype_t">cups_ptype_t</a></h3> | |
| 2042 | <p class="description">Printer type/capability bits</p> | |
| 2043 | <p class="code"> | |
| ef416fc2 | 2044 | typedef unsigned cups_ptype_t; |
| 5a738aea MS |
2045 | </p> |
| 2046 | <h2 class="title"><a name="STRUCTURES">Structures</a></h2> | |
| 2047 | <h3 class="struct"><a name="cups_dest_s">cups_dest_s</a></h3> | |
| 2048 | <p class="description">Destination</p> | |
| 2049 | <p class="code">struct cups_dest_s {<br> | |
| 2050 | char *name, *instance;<br> | |
| 2051 | int is_default;<br> | |
| 2052 | int num_options;<br> | |
| 2053 | <a href="#cups_option_t">cups_option_t</a> *options;<br> | |
| 2054 | };</p> | |
| 2055 | <h4 class="members">Members</h4> | |
| 2056 | <dl> | |
| 2057 | <dt>instance </dt> | |
| 2058 | <dd class="description">Local instance name or NULL</dd> | |
| 2059 | <dt>is_default </dt> | |
| 2060 | <dd class="description">Is this printer the default?</dd> | |
| 2061 | <dt>num_options </dt> | |
| 2062 | <dd class="description">Number of options</dd> | |
| 2063 | <dt>options </dt> | |
| 2064 | <dd class="description">Options</dd> | |
| 2065 | </dl> | |
| 2066 | <h3 class="struct"><a name="cups_job_s">cups_job_s</a></h3> | |
| 2067 | <p class="description">Job</p> | |
| 2068 | <p class="code">struct cups_job_s {<br> | |
| 2069 | time_t completed_time;<br> | |
| 2070 | time_t creation_time;<br> | |
| 2071 | char *dest;<br> | |
| 2072 | char *format;<br> | |
| 2073 | int id;<br> | |
| 2074 | int priority;<br> | |
| 2075 | time_t processing_time;<br> | |
| 2076 | int size;<br> | |
| 2077 | ipp_jstate_t state;<br> | |
| 2078 | char *title;<br> | |
| 2079 | char *user;<br> | |
| 2080 | };</p> | |
| 2081 | <h4 class="members">Members</h4> | |
| 2082 | <dl> | |
| 2083 | <dt>completed_time </dt> | |
| 2084 | <dd class="description">Time the job was completed</dd> | |
| 2085 | <dt>creation_time </dt> | |
| 2086 | <dd class="description">Time the job was created</dd> | |
| 2087 | <dt>dest </dt> | |
| 2088 | <dd class="description">Printer or class name</dd> | |
| 2089 | <dt>format </dt> | |
| 2090 | <dd class="description">Document format</dd> | |
| 2091 | <dt>id </dt> | |
| 2092 | <dd class="description">The job ID</dd> | |
| 2093 | <dt>priority </dt> | |
| 2094 | <dd class="description">Priority (1-100)</dd> | |
| 2095 | <dt>processing_time </dt> | |
| 2096 | <dd class="description">Time the job was processed</dd> | |
| 2097 | <dt>size </dt> | |
| 2098 | <dd class="description">Size in kilobytes</dd> | |
| 2099 | <dt>state </dt> | |
| 2100 | <dd class="description">Job state</dd> | |
| 2101 | <dt>title </dt> | |
| 2102 | <dd class="description">Title/job name</dd> | |
| 2103 | <dt>user </dt> | |
| 2104 | <dd class="description">User the submitted the job</dd> | |
| 2105 | </dl> | |
| 2106 | <h3 class="struct"><a name="cups_option_s">cups_option_s</a></h3> | |
| 2107 | <p class="description">Printer Options</p> | |
| 2108 | <p class="code">struct cups_option_s {<br> | |
| 2109 | char *name;<br> | |
| 2110 | char *value;<br> | |
| 2111 | };</p> | |
| 2112 | <h4 class="members">Members</h4> | |
| 2113 | <dl> | |
| 2114 | <dt>name </dt> | |
| 2115 | <dd class="description">Name of option</dd> | |
| 2116 | <dt>value </dt> | |
| 2117 | <dd class="description">Value of option</dd> | |
| 2118 | </dl> | |
| 2119 | <h2 class="title"><a name="ENUMERATIONS">Constants</a></h2> | |
| 2120 | <h3 class="enumeration"><a name="cups_ptype_e">cups_ptype_e</a></h3> | |
| 2121 | <p class="description">Printer type/capability bit constants</p> | |
| 2122 | <h4 class="constants">Constants</h4> | |
| 2123 | <dl> | |
| 2124 | <dt>CUPS_PRINTER_AUTHENTICATED <span class="info"> CUPS 1.2 </span></dt> | |
| 2125 | <dd class="description">Printer requires authentication </dd> | |
| 2126 | <dt>CUPS_PRINTER_BIND </dt> | |
| 2127 | <dd class="description">Can bind output</dd> | |
| 2128 | <dt>CUPS_PRINTER_BW </dt> | |
| 2129 | <dd class="description">Can do B&W printing</dd> | |
| 2130 | <dt>CUPS_PRINTER_CLASS </dt> | |
| 2131 | <dd class="description">Printer class</dd> | |
| 2132 | <dt>CUPS_PRINTER_COLLATE </dt> | |
| 2133 | <dd class="description">Can collage copies</dd> | |
| 2134 | <dt>CUPS_PRINTER_COLOR </dt> | |
| 2135 | <dd class="description">Can do color printing</dd> | |
| 2136 | <dt>CUPS_PRINTER_COMMANDS <span class="info"> CUPS 1.2 </span></dt> | |
| 2137 | <dd class="description">Printer supports maintenance commands </dd> | |
| 2138 | <dt>CUPS_PRINTER_COPIES </dt> | |
| 2139 | <dd class="description">Can do copies</dd> | |
| 2140 | <dt>CUPS_PRINTER_COVER </dt> | |
| 2141 | <dd class="description">Can cover output</dd> | |
| 2142 | <dt>CUPS_PRINTER_DEFAULT </dt> | |
| 2143 | <dd class="description">Default printer on network</dd> | |
| 2144 | <dt>CUPS_PRINTER_DELETE <span class="info"> CUPS 1.2 </span></dt> | |
| 2145 | <dd class="description">Delete printer </dd> | |
| 2146 | <dt>CUPS_PRINTER_DISCOVERED <span class="info"> CUPS 1.3 </span></dt> | |
| 2147 | <dd class="description">Printer was automatically discovered and added </dd> | |
| 2148 | <dt>CUPS_PRINTER_DUPLEX </dt> | |
| 2149 | <dd class="description">Can do duplexing</dd> | |
| 2150 | <dt>CUPS_PRINTER_FAX </dt> | |
| 2151 | <dd class="description">Fax queue</dd> | |
| 2152 | <dt>CUPS_PRINTER_IMPLICIT </dt> | |
| 2153 | <dd class="description">Implicit class</dd> | |
| 2154 | <dt>CUPS_PRINTER_LARGE </dt> | |
| 2155 | <dd class="description">Can do D/E/A1/A0</dd> | |
| 2156 | <dt>CUPS_PRINTER_LOCAL </dt> | |
| 2157 | <dd class="description">Local printer or class</dd> | |
| 2158 | <dt>CUPS_PRINTER_MEDIUM </dt> | |
| 2159 | <dd class="description">Can do Tabloid/B/C/A3/A2</dd> | |
| 2160 | <dt>CUPS_PRINTER_NOT_SHARED <span class="info"> CUPS 1.2 </span></dt> | |
| 2161 | <dd class="description">Printer is not shared </dd> | |
| 2162 | <dt>CUPS_PRINTER_PUNCH </dt> | |
| 2163 | <dd class="description">Can punch output</dd> | |
| 2164 | <dt>CUPS_PRINTER_REJECTING </dt> | |
| 2165 | <dd class="description">Printer is rejecting jobs</dd> | |
| 2166 | <dt>CUPS_PRINTER_REMOTE </dt> | |
| 2167 | <dd class="description">Remote printer or class</dd> | |
| 2168 | <dt>CUPS_PRINTER_SMALL </dt> | |
| 2169 | <dd class="description">Can do Letter/Legal/A4</dd> | |
| 2170 | <dt>CUPS_PRINTER_SORT </dt> | |
| 2171 | <dd class="description">Can sort output</dd> | |
| 2172 | <dt>CUPS_PRINTER_STAPLE </dt> | |
| 2173 | <dd class="description">Can staple output</dd> | |
| 2174 | <dt>CUPS_PRINTER_VARIABLE </dt> | |
| 2175 | <dd class="description">Can do variable sizes</dd> | |
| 2176 | </dl> | |
| 2177 | </div> | |
| ef416fc2 | 2178 | </body> |
| 2179 | </html> |