win32ss/user/winsrv/consrv/condrv/console.c

   1 /*
   2  * COPYRIGHT:       See COPYING in the top level directory
   3  * PROJECT:         ReactOS Console Driver DLL
   4  * FILE:            win32ss/user/winsrv/consrv/condrv/console.c
   5  * PURPOSE:         Console Management Functions
   6  * PROGRAMMERS:     Gé van Geldorp
   7  *                  Jeffrey Morlan
   8  *                  Hermes Belusca-Maito (hermes.belusca@sfr.fr)
   9  */
  10
  11 /* INCLUDES *******************************************************************/
  12
  13 #include <consrv.h>
  14
  15 #include <coninput.h>
  16
  17 #define NDEBUG
  18 #include <debug.h>
  19
  20
  21 /* GLOBALS ********************************************************************/
  22
  23 static ULONG CurrentConsoleID = 0;
  24
  25 /* Linked list of consoles */
  26 static LIST_ENTRY ConsoleList;
  27 static RTL_RESOURCE ListLock;
  28
  29 #define ConDrvLockConsoleListExclusive()    \
  30     RtlAcquireResourceExclusive(&ListLock, TRUE)
  31
  32 #define ConDrvLockConsoleListShared()       \
  33     RtlAcquireResourceShared(&ListLock, TRUE)
  34
  35 #define ConDrvUnlockConsoleList()           \
  36     RtlReleaseResource(&ListLock)
  37
  38
  39 static NTSTATUS
  40 InsertConsole(IN PCONSOLE Console)
  41 {
  42     ASSERT(Console);
  43
  44     /* All went right, so add the console to the list */
  45     ConDrvLockConsoleListExclusive();
  46
  47     DPRINT1("Insert in the list\n");
  48     InsertTailList(&ConsoleList, &Console->ListEntry);
  49
  50     // FIXME: Move this code to the caller function!!
  51     /* Get a new console ID */
  52     _InterlockedExchange((PLONG)&Console->ConsoleID, CurrentConsoleID);
  53     _InterlockedIncrement((PLONG)&CurrentConsoleID);
  54
  55     /* Unlock the console list and return success */
  56     ConDrvUnlockConsoleList();
  57     return STATUS_SUCCESS;
  58 }
  59
  60 static NTSTATUS
  61 RemoveConsole(IN PCONSOLE Console)
  62 {
  63     // ASSERT(Console);
  64     if (!Console) return STATUS_INVALID_PARAMETER;
  65
  66     /* Remove the console from the list */
  67     ConDrvLockConsoleListExclusive();
  68
  69     RemoveEntryList(&Console->ListEntry);
  70
  71     /* Unlock the console list and return success */
  72     ConDrvUnlockConsoleList();
  73     return STATUS_SUCCESS;
  74 }
  75
  76
  77 /* PRIVATE FUNCTIONS **********************************************************/
  78
  79 // Adapted from reactos/lib/rtl/unicode.c, RtlCreateUnicodeString line 2180
  80 static BOOLEAN
  81 ConsoleCreateUnicodeString(IN OUT PUNICODE_STRING UniDest,
  82                            IN PCWSTR Source)
  83 {
  84     SIZE_T Size = (wcslen(Source) + 1) * sizeof(WCHAR);
  85     if (Size > MAXUSHORT) return FALSE;
  86
  87     UniDest->Buffer = ConsoleAllocHeap(HEAP_ZERO_MEMORY, Size);
  88     if (UniDest->Buffer == NULL) return FALSE;
  89
  90     RtlCopyMemory(UniDest->Buffer, Source, Size);
  91     UniDest->MaximumLength = (USHORT)Size;
  92     UniDest->Length = (USHORT)Size - sizeof(WCHAR);
  93
  94     return TRUE;
  95 }
  96
  97 // Adapted from reactos/lib/rtl/unicode.c, RtlFreeUnicodeString line 431
  98 static VOID
  99 ConsoleFreeUnicodeString(IN PUNICODE_STRING UnicodeString)
 100 {
 101     if (UnicodeString->Buffer)
 102     {
 103         ConsoleFreeHeap(UnicodeString->Buffer);
 104         RtlZeroMemory(UnicodeString, sizeof(UNICODE_STRING));
 105     }
 106 }
 107
 108 VOID NTAPI
 109 ConDrvPause(PCONSOLE Console)
 110 {
 111     if (!Console->UnpauseEvent)
 112         Console->UnpauseEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
 113 }
 114
 115 VOID NTAPI
 116 ConDrvUnpause(PCONSOLE Console)
 117 {
 118     if (Console->UnpauseEvent)
 119     {
 120         SetEvent(Console->UnpauseEvent);
 121         CloseHandle(Console->UnpauseEvent);
 122         Console->UnpauseEvent = NULL;
 123     }
 124 }
 125
 126
 127 /*
 128  * Console accessibility check helpers
 129  */
 130
 131 BOOLEAN NTAPI
 132 ConDrvValidateConsoleState(IN PCONSOLE Console,
 133                            IN CONSOLE_STATE ExpectedState)
 134 {
 135     // if (!Console) return FALSE;
 136
 137     /* The console must be locked */
 138     // ASSERT(Console_locked);
 139
 140     return (Console->State == ExpectedState);
 141 }
 142
 143 BOOLEAN NTAPI
 144 ConDrvValidateConsoleUnsafe(IN PCONSOLE Console,
 145                             IN CONSOLE_STATE ExpectedState,
 146                             IN BOOLEAN LockConsole)
 147 {
 148     if (!Console) return FALSE;
 149
 150     /*
 151      * Lock the console to forbid possible console's state changes
 152      * (which must be done when the console is already locked).
 153      * If we don't want to lock it, it's because the lock is already
 154      * held. So there must be no problems.
 155      */
 156     if (LockConsole) EnterCriticalSection(&Console->Lock);
 157
 158     // ASSERT(Console_locked);
 159
 160     /* Check whether the console's state is what we expect */
 161     if (!ConDrvValidateConsoleState(Console, ExpectedState))
 162     {
 163         if (LockConsole) LeaveCriticalSection(&Console->Lock);
 164         return FALSE;
 165     }
 166
 167     return TRUE;
 168 }
 169
 170
 171 /* CONSOLE INITIALIZATION FUNCTIONS *******************************************/
 172
 173 VOID NTAPI
 174 ConDrvInitConsoleSupport(VOID)
 175 {
 176     DPRINT("CONSRV: ConDrvInitConsoleSupport()\n");
 177
 178     /* Initialize the console list and its lock */
 179     InitializeListHead(&ConsoleList);
 180     RtlInitializeResource(&ListLock);
 181
 182     /* Should call LoadKeyboardLayout */
 183 }
 184
 185 /* For resetting the terminal - defined in dummyterm.c */
 186 VOID ResetTerminal(IN PCONSOLE Console);
 187
 188 NTSTATUS NTAPI
 189 ConDrvInitConsole(OUT PCONSOLE* NewConsole,
 190                   IN PCONSOLE_INFO ConsoleInfo)
 191 {
 192     NTSTATUS Status;
 193     SECURITY_ATTRIBUTES SecurityAttributes;
 194     // CONSOLE_INFO CapturedConsoleInfo;
 195     TEXTMODE_BUFFER_INFO ScreenBufferInfo;
 196     PCONSOLE Console;
 197     PCONSOLE_SCREEN_BUFFER NewBuffer;
 198 #if 0
 199     WCHAR DefaultTitle[128];
 200 #endif
 201
 202     if (NewConsole == NULL || ConsoleInfo == NULL)
 203         return STATUS_INVALID_PARAMETER;
 204
 205     *NewConsole = NULL;
 206
 207     /*
 208      * Allocate a new console
 209      */
 210     Console = ConsoleAllocHeap(HEAP_ZERO_MEMORY, sizeof(*Console));
 211     if (NULL == Console)
 212     {
 213         DPRINT1("Not enough memory for console creation.\n");
 214         return STATUS_NO_MEMORY;
 215     }
 216
 217     /*
 218      * Fix the screen buffer size if needed. The rule is:
 219      * ScreenBufferSize >= ConsoleSize
 220      */
 221     if (ConsoleInfo->ScreenBufferSize.X < ConsoleInfo->ConsoleSize.X)
 222         ConsoleInfo->ScreenBufferSize.X = ConsoleInfo->ConsoleSize.X;
 223     if (ConsoleInfo->ScreenBufferSize.Y < ConsoleInfo->ConsoleSize.Y)
 224         ConsoleInfo->ScreenBufferSize.Y = ConsoleInfo->ConsoleSize.Y;
 225
 226     /*
 227      * Initialize the console
 228      */
 229     Console->State = CONSOLE_INITIALIZING;
 230     Console->ReferenceCount = 0;
 231     InitializeCriticalSection(&Console->Lock);
 232
 233     /* Initialize the terminal interface */
 234     ResetTerminal(Console);
 235
 236     Console->ConsoleSize = ConsoleInfo->ConsoleSize;
 237     Console->FixedSize   = FALSE; // Value by default; is reseted by the terminals if needed.
 238
 239     /*
 240      * Initialize the input buffer
 241      */
 242     ConSrvInitObject(&Console->InputBuffer.Header, INPUT_BUFFER, Console);
 243
 244     SecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES);
 245     SecurityAttributes.lpSecurityDescriptor = NULL;
 246     SecurityAttributes.bInheritHandle = TRUE;
 247     Console->InputBuffer.ActiveEvent = CreateEventW(&SecurityAttributes, TRUE, FALSE, NULL);
 248     if (NULL == Console->InputBuffer.ActiveEvent)
 249     {
 250         DeleteCriticalSection(&Console->Lock);
 251         ConsoleFreeHeap(Console);
 252         return STATUS_UNSUCCESSFUL;
 253     }
 254
 255     Console->InputBuffer.InputBufferSize = 0; // FIXME!
 256     InitializeListHead(&Console->InputBuffer.InputEvents);
 257     Console->InputBuffer.Mode = ENABLE_PROCESSED_INPUT | ENABLE_LINE_INPUT |
 258                                 ENABLE_ECHO_INPUT      | ENABLE_MOUSE_INPUT;
 259
 260     Console->InsertMode = ConsoleInfo->InsertMode;
 261     Console->LineBuffer = NULL;
 262     Console->LinePos = Console->LineMaxSize = Console->LineSize = 0;
 263     Console->LineComplete = Console->LineUpPressed = FALSE;
 264     Console->LineInsertToggle = Console->InsertMode;
 265     // LineWakeupMask
 266
 267     /* Set-up the code page */
 268     Console->InputCodePage = Console->OutputCodePage = ConsoleInfo->CodePage;
 269
 270     /* Initialize a new text-mode screen buffer with default settings */
 271     ScreenBufferInfo.ScreenBufferSize = ConsoleInfo->ScreenBufferSize;
 272     ScreenBufferInfo.ScreenAttrib     = ConsoleInfo->ScreenAttrib;
 273     ScreenBufferInfo.PopupAttrib      = ConsoleInfo->PopupAttrib;
 274     ScreenBufferInfo.IsCursorVisible  = TRUE;
 275     ScreenBufferInfo.CursorSize       = ConsoleInfo->CursorSize;
 276
 277     InitializeListHead(&Console->BufferList);
 278     Status = ConDrvCreateScreenBuffer(&NewBuffer,
 279                                       Console,
 280                                       CONSOLE_TEXTMODE_BUFFER,
 281                                       &ScreenBufferInfo);
 282     if (!NT_SUCCESS(Status))
 283     {
 284         DPRINT1("ConDrvCreateScreenBuffer: failed, Status = 0x%08lx\n", Status);
 285         CloseHandle(Console->InputBuffer.ActiveEvent);
 286         DeleteCriticalSection(&Console->Lock);
 287         ConsoleFreeHeap(Console);
 288         return Status;
 289     }
 290     /* Make the new screen buffer active */
 291     Console->ActiveBuffer = NewBuffer;
 292     Console->UnpauseEvent = NULL;
 293
 294     /* Initialize the console title */
 295     ConsoleCreateUnicodeString(&Console->OriginalTitle, ConsoleInfo->ConsoleTitle);
 296 #if 0
 297     if (ConsoleInfo.ConsoleTitle[0] == L'\0')
 298     {
 299         if (LoadStringW(ConSrvDllInstance, IDS_CONSOLE_TITLE, DefaultTitle, sizeof(DefaultTitle) / sizeof(DefaultTitle[0])))
 300         {
 301             ConsoleCreateUnicodeString(&Console->Title, DefaultTitle);
 302         }
 303         else
 304         {
 305             ConsoleCreateUnicodeString(&Console->Title, L"ReactOS Console");
 306         }
 307     }
 308     else
 309     {
 310 #endif
 311         ConsoleCreateUnicodeString(&Console->Title, ConsoleInfo->ConsoleTitle);
 312 #if 0
 313     }
 314 #endif
 315
 316     DPRINT("Console initialized\n");
 317
 318     /* All went right, so add the console to the list */
 319     Status = InsertConsole(Console);
 320     if (!NT_SUCCESS(Status))
 321     {
 322         /* Fail */
 323         ConDrvDeleteConsole(Console);
 324         return Status;
 325     }
 326
 327     /* The initialization is finished */
 328     DPRINT("Change state\n");
 329     Console->State = CONSOLE_RUNNING;
 330
 331     /* Return the newly created console to the caller and a success code too */
 332     *NewConsole = Console;
 333     return STATUS_SUCCESS;
 334 }
 335
 336 NTSTATUS NTAPI
 337 ConDrvRegisterTerminal(IN PCONSOLE Console,
 338                        IN PTERMINAL Terminal)
 339 {
 340     NTSTATUS Status;
 341
 342     if (Console == NULL || Terminal == NULL)
 343         return STATUS_INVALID_PARAMETER;
 344
 345     /* FIXME: Lock the console before ?? */
 346
 347     /*
 348      * Attach the terminal to the console. Use now the TermIFace of the console,
 349      * and not the user-defined temporary Terminal pointer.
 350      */
 351     Console->TermIFace = *Terminal;
 352     Console->TermIFace.Console = Console;
 353
 354     /* Initialize the terminal AFTER having attached it to the console */
 355     DPRINT("Finish initialization of terminal\n");
 356     Status = Console->TermIFace.Vtbl->InitTerminal(&Console->TermIFace, Console);
 357     if (!NT_SUCCESS(Status))
 358     {
 359         DPRINT1("Terminal initialization failed, Status = 0x%08lx\n", Status);
 360
 361         /* We failed, detach the terminal from the console */
 362         Terminal->Console = NULL; // For the caller
 363         ResetTerminal(Console);
 364
 365         return Status;
 366     }
 367
 368     /* Copy buffer contents to screen */
 369     // Terminal.Draw();
 370     // ConioDrawConsole(Console);
 371     DPRINT("Console drawn\n");
 372
 373     DPRINT("Terminal initialization done\n");
 374     return STATUS_SUCCESS;
 375 }
 376
 377 NTSTATUS NTAPI
 378 ConDrvDeregisterTerminal(IN PCONSOLE Console)
 379 {
 380     if (Console == NULL) return STATUS_INVALID_PARAMETER;
 381
 382     /* FIXME: Lock the console before ?? */
 383
 384     /* Deinitialize the terminal BEFORE detaching it from the console */
 385     Console->TermIFace.Vtbl->DeinitTerminal(&Console->TermIFace/*, Console*/);
 386
 387     /*
 388      * Detach the terminal from the console:
 389      * reinitialize the terminal interface.
 390      */
 391     ResetTerminal(Console);
 392
 393     DPRINT("Terminal unregistered\n");
 394     return STATUS_SUCCESS;
 395 }
 396
 397 VOID NTAPI
 398 ConDrvDeleteConsole(IN PCONSOLE Console)
 399 {
 400     DPRINT("ConDrvDeleteConsole(0x%p)\n", Console);
 401
 402     /*
 403      * Forbid validation of any console by other threads
 404      * during the deletion of this console.
 405      */
 406     ConDrvLockConsoleListExclusive();
 407
 408     /*
 409      * If the console is already being destroyed, i.e. not running
 410      * or finishing to be initialized, just return.
 411      */
 412     if (!ConDrvValidateConsoleUnsafe(Console, CONSOLE_RUNNING, TRUE) &&
 413         !ConDrvValidateConsoleUnsafe(Console, CONSOLE_INITIALIZING, TRUE))
 414     {
 415         /* Unlock the console list and return */
 416         ConDrvUnlockConsoleList();
 417         return;
 418     }
 419
 420     /*
 421      * We are about to be destroyed. Signal it to other people
 422      * so that they can terminate what they are doing, and that
 423      * they cannot longer validate the console.
 424      */
 425     Console->State = CONSOLE_TERMINATING;
 426
 427     /*
 428      * Allow other threads to finish their job: basically, unlock
 429      * all other calls to EnterCriticalSection(&Console->Lock); by
 430      * ConDrvValidateConsoleUnsafe functions so that they just see
 431      * that we are not in CONSOLE_RUNNING state anymore, or unlock
 432      * other concurrent calls to ConDrvDeleteConsole so that they
 433      * can see that we are in fact already deleting the console.
 434      */
 435     LeaveCriticalSection(&Console->Lock);
 436     ConDrvUnlockConsoleList();
 437
 438     /* FIXME: Send a terminate message to all the processes owning this console */
 439
 440     /* Cleanup the UI-oriented part */
 441     DPRINT("Deregister console\n");
 442     ConDrvDeregisterTerminal(Console);
 443     DPRINT("Console deregistered\n");
 444
 445     /***
 446      * Check that the console is in terminating state before continuing
 447      * (the cleanup code must not change the state of the console...
 448      * ...unless to cancel console deletion ?).
 449      ***/
 450
 451     ConDrvLockConsoleListExclusive();
 452
 453     if (!ConDrvValidateConsoleUnsafe(Console, CONSOLE_TERMINATING, TRUE))
 454     {
 455         ConDrvUnlockConsoleList();
 456         return;
 457     }
 458
 459     /* We are now in destruction */
 460     Console->State = CONSOLE_IN_DESTRUCTION;
 461
 462     /* We really delete the console. Reset the count to be sure. */
 463     Console->ReferenceCount = 0;
 464
 465     /* Remove the console from the list */
 466     RemoveConsole(Console);
 467
 468     /* Discard all entries in the input event queue */
 469     PurgeInputBuffer(Console);
 470     if (Console->LineBuffer) ConsoleFreeHeap(Console->LineBuffer);
 471
 472     /* Delete the last screen buffer */
 473     ConioDeleteScreenBuffer(Console->ActiveBuffer);
 474     Console->ActiveBuffer = NULL;
 475     if (!IsListEmpty(&Console->BufferList))
 476     {
 477         DPRINT1("BUG: screen buffer list not empty\n");
 478         ASSERT(FALSE);
 479     }
 480
 481     /**/ CloseHandle(Console->InputBuffer.ActiveEvent); /**/
 482     if (Console->UnpauseEvent) CloseHandle(Console->UnpauseEvent);
 483
 484     ConsoleFreeUnicodeString(&Console->OriginalTitle);
 485     ConsoleFreeUnicodeString(&Console->Title);
 486
 487     DPRINT("ConDrvDeleteConsole - Unlocking\n");
 488     LeaveCriticalSection(&Console->Lock);
 489     DPRINT("ConDrvDeleteConsole - Destroying lock\n");
 490     DeleteCriticalSection(&Console->Lock);
 491     DPRINT("ConDrvDeleteConsole - Lock destroyed ; freeing console\n");
 492
 493     ConsoleFreeHeap(Console);
 494     DPRINT("ConDrvDeleteConsole - Console destroyed\n");
 495
 496     /* Unlock the console list and return */
 497     ConDrvUnlockConsoleList();
 498 }
 499
 500
 501 /* PUBLIC DRIVER APIS *********************************************************/
 502
 503 NTSTATUS NTAPI
 504 ConDrvGetConsoleMode(IN PCONSOLE Console,
 505                      IN PCONSOLE_IO_OBJECT Object,
 506                      OUT PULONG ConsoleMode)
 507 {
 508     NTSTATUS Status = STATUS_SUCCESS;
 509
 510     if (Console == NULL || Object == NULL || ConsoleMode == NULL)
 511         return STATUS_INVALID_PARAMETER;
 512
 513     /* Validity check */
 514     ASSERT(Console == Object->Console);
 515
 516     /*** FIXME: */ *ConsoleMode = 0; /***/
 517
 518     if (INPUT_BUFFER == Object->Type)
 519     {
 520         PCONSOLE_INPUT_BUFFER InputBuffer = (PCONSOLE_INPUT_BUFFER)Object;
 521
 522         *ConsoleMode = InputBuffer->Mode;
 523
 524         if (Console->QuickEdit || Console->InsertMode)
 525         {
 526             // Windows does this, even if it's not documented on MSDN
 527             *ConsoleMode |= ENABLE_EXTENDED_FLAGS;
 528
 529             if (Console->QuickEdit ) *ConsoleMode |= ENABLE_QUICK_EDIT_MODE;
 530             if (Console->InsertMode) *ConsoleMode |= ENABLE_INSERT_MODE;
 531         }
 532     }
 533     else if (TEXTMODE_BUFFER == Object->Type || GRAPHICS_BUFFER == Object->Type)
 534     {
 535         PCONSOLE_SCREEN_BUFFER Buffer = (PCONSOLE_SCREEN_BUFFER)Object;
 536         *ConsoleMode = Buffer->Mode;
 537     }
 538     else
 539     {
 540         Status = STATUS_INVALID_HANDLE;
 541     }
 542
 543     return Status;
 544 }
 545
 546 NTSTATUS NTAPI
 547 ConDrvSetConsoleMode(IN PCONSOLE Console,
 548                      IN PCONSOLE_IO_OBJECT Object,
 549                      IN ULONG ConsoleMode)
 550 {
 551 #define CONSOLE_VALID_CONTROL_MODES ( ENABLE_EXTENDED_FLAGS   | \
 552                                       ENABLE_INSERT_MODE      | ENABLE_QUICK_EDIT_MODE )
 553 #define CONSOLE_VALID_INPUT_MODES   ( ENABLE_PROCESSED_INPUT  | ENABLE_LINE_INPUT   | \
 554                                       ENABLE_ECHO_INPUT       | ENABLE_WINDOW_INPUT | \
 555                                       ENABLE_MOUSE_INPUT )
 556 #define CONSOLE_VALID_OUTPUT_MODES  ( ENABLE_PROCESSED_OUTPUT | ENABLE_WRAP_AT_EOL_OUTPUT )
 557
 558     NTSTATUS Status = STATUS_SUCCESS;
 559
 560     if (Console == NULL || Object == NULL)
 561         return STATUS_INVALID_PARAMETER;
 562
 563     /* Validity check */
 564     ASSERT(Console == Object->Console);
 565
 566     if (INPUT_BUFFER == Object->Type)
 567     {
 568         PCONSOLE_INPUT_BUFFER InputBuffer = (PCONSOLE_INPUT_BUFFER)Object;
 569
 570         DPRINT("SetConsoleMode(Input, %d)\n", ConsoleMode);
 571
 572         /*
 573          * 1. Only the presence of valid mode flags is allowed.
 574          */
 575         if (ConsoleMode & ~(CONSOLE_VALID_INPUT_MODES | CONSOLE_VALID_CONTROL_MODES))
 576         {
 577             Status = STATUS_INVALID_PARAMETER;
 578             goto Quit;
 579         }
 580
 581         /*
 582          * 2. If we use control mode flags without ENABLE_EXTENDED_FLAGS,
 583          *    then consider the flags invalid.
 584          *
 585         if ( (ConsoleMode & CONSOLE_VALID_CONTROL_MODES) &&
 586              (ConsoleMode & ENABLE_EXTENDED_FLAGS) == 0 )
 587         {
 588             Status = STATUS_INVALID_PARAMETER;
 589             goto Quit;
 590         }
 591         */
 592
 593         /*
 594          * 3. Now we can continue.
 595          */
 596         if (ConsoleMode & CONSOLE_VALID_CONTROL_MODES)
 597         {
 598             Console->QuickEdit  = !!(ConsoleMode & ENABLE_QUICK_EDIT_MODE);
 599             Console->InsertMode = !!(ConsoleMode & ENABLE_INSERT_MODE);
 600         }
 601         InputBuffer->Mode = (ConsoleMode & CONSOLE_VALID_INPUT_MODES);
 602     }
 603     else if (TEXTMODE_BUFFER == Object->Type || GRAPHICS_BUFFER == Object->Type)
 604     {
 605         PCONSOLE_SCREEN_BUFFER Buffer = (PCONSOLE_SCREEN_BUFFER)Object;
 606
 607         DPRINT("SetConsoleMode(Output, %d)\n", ConsoleMode);
 608
 609         if (ConsoleMode & ~CONSOLE_VALID_OUTPUT_MODES)
 610         {
 611             Status = STATUS_INVALID_PARAMETER;
 612         }
 613         else
 614         {
 615             Buffer->Mode = (ConsoleMode & CONSOLE_VALID_OUTPUT_MODES);
 616         }
 617     }
 618     else
 619     {
 620         Status = STATUS_INVALID_HANDLE;
 621     }
 622
 623 Quit:
 624     return Status;
 625 }
 626
 627 NTSTATUS NTAPI
 628 ConDrvGetConsoleTitle(IN PCONSOLE Console,
 629                       IN BOOLEAN Unicode,
 630                       IN OUT PVOID TitleBuffer,
 631                       IN OUT PULONG BufLength)
 632 {
 633     ULONG Length;
 634
 635     if (Console == NULL || TitleBuffer == NULL || BufLength == NULL)
 636         return STATUS_INVALID_PARAMETER;
 637
 638     /* Copy title of the console to the user title buffer */
 639     if (Unicode)
 640     {
 641         if (*BufLength >= sizeof(WCHAR))
 642         {
 643             Length = min(*BufLength - sizeof(WCHAR), Console->Title.Length);
 644             RtlCopyMemory(TitleBuffer, Console->Title.Buffer, Length);
 645             ((PWCHAR)TitleBuffer)[Length / sizeof(WCHAR)] = L'\0';
 646             *BufLength = Length;
 647         }
 648         else
 649         {
 650             *BufLength = Console->Title.Length;
 651         }
 652     }
 653     else
 654     {
 655         if (*BufLength >= sizeof(CHAR))
 656         {
 657             Length = min(*BufLength - sizeof(CHAR), Console->Title.Length / sizeof(WCHAR));
 658             Length = WideCharToMultiByte(Console->InputCodePage, 0,
 659                                          Console->Title.Buffer, Length,
 660                                          TitleBuffer, Length,
 661                                          NULL, NULL);
 662             ((PCHAR)TitleBuffer)[Length] = '\0';
 663             *BufLength = Length;
 664         }
 665         else
 666         {
 667             *BufLength = Console->Title.Length / sizeof(WCHAR);
 668         }
 669     }
 670
 671     return STATUS_SUCCESS;
 672 }
 673
 674 NTSTATUS NTAPI
 675 ConDrvSetConsoleTitle(IN PCONSOLE Console,
 676                       IN BOOLEAN Unicode,
 677                       IN PVOID TitleBuffer,
 678                       IN ULONG BufLength)
 679 {
 680     PWCHAR Buffer;
 681     ULONG  Length;
 682
 683     if (Console == NULL || TitleBuffer == NULL)
 684         return STATUS_INVALID_PARAMETER;
 685
 686     if (Unicode)
 687     {
 688         /* Length is in bytes */
 689         Length = BufLength;
 690     }
 691     else
 692     {
 693         /* Use the console input CP for the conversion */
 694         Length = MultiByteToWideChar(Console->InputCodePage, 0,
 695                                      TitleBuffer, BufLength,
 696                                      NULL, 0);
 697         /* The returned Length was in number of wchars, convert it in bytes */
 698         Length *= sizeof(WCHAR);
 699     }
 700
 701     /* Allocate a new buffer to hold the new title (NULL-terminated) */
 702     Buffer = ConsoleAllocHeap(HEAP_ZERO_MEMORY, Length + sizeof(WCHAR));
 703     if (!Buffer) return STATUS_NO_MEMORY;
 704
 705     /* Free the old title */
 706     ConsoleFreeUnicodeString(&Console->Title);
 707
 708     /* Copy title to console */
 709     Console->Title.Buffer = Buffer;
 710     Console->Title.Length = Length;
 711     Console->Title.MaximumLength = Console->Title.Length + sizeof(WCHAR);
 712
 713     if (Unicode)
 714     {
 715         RtlCopyMemory(Console->Title.Buffer, TitleBuffer, Console->Title.Length);
 716     }
 717     else
 718     {
 719         MultiByteToWideChar(Console->InputCodePage, 0,
 720                             TitleBuffer, BufLength,
 721                             Console->Title.Buffer,
 722                             Console->Title.Length / sizeof(WCHAR));
 723     }
 724
 725     /* NULL-terminate */
 726     Console->Title.Buffer[Console->Title.Length / sizeof(WCHAR)] = L'\0';
 727
 728     // TermChangeTitle(Console);
 729     return STATUS_SUCCESS;
 730 }
 731
 732 NTSTATUS NTAPI
 733 ConDrvGetConsoleCP(IN PCONSOLE Console,
 734                    OUT PUINT CodePage,
 735                    IN BOOLEAN OutputCP)
 736 {
 737     if (Console == NULL || CodePage == NULL)
 738         return STATUS_INVALID_PARAMETER;
 739
 740     *CodePage = (OutputCP ? Console->OutputCodePage : Console->InputCodePage);
 741
 742     return STATUS_SUCCESS;
 743 }
 744
 745 NTSTATUS NTAPI
 746 ConDrvSetConsoleCP(IN PCONSOLE Console,
 747                    IN UINT CodePage,
 748                    IN BOOLEAN OutputCP)
 749 {
 750     if (Console == NULL || !IsValidCodePage(CodePage))
 751         return STATUS_INVALID_PARAMETER;
 752
 753     if (OutputCP)
 754         Console->OutputCodePage = CodePage;
 755     else
 756         Console->InputCodePage = CodePage;
 757
 758     return STATUS_SUCCESS;
 759 }
 760
 761 /* EOF */