reactos/win32ss/user/winsrv/consrv_new/lineinput.c

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/*
* LICENSE: GPL - See COPYING in the top level directory
* PROJECT: ReactOS Console Server DLL
* FILE: win32ss/user/winsrv/consrv_new/lineinput.c
* PURPOSE: Console line input functions
* PROGRAMMERS: Jeffrey Morlan
*/
/* INCLUDES *******************************************************************/
#include "consrv.h"
#include "console.h"
#include "include/conio.h"
#include "include/conio2.h"
#define NDEBUG
#include <debug.h>
typedef struct _HISTORY_BUFFER
{
LIST_ENTRY ListEntry;
UINT Position;
UINT MaxEntries;
UINT NumEntries;
PUNICODE_STRING Entries;
UNICODE_STRING ExeName;
} HISTORY_BUFFER, *PHISTORY_BUFFER;
/* PRIVATE FUNCTIONS **********************************************************/
static PHISTORY_BUFFER
HistoryCurrentBuffer(PCONSOLE Console)
{
/* TODO: use actual EXE name sent from process that called ReadConsole */
UNICODE_STRING ExeName = { 14, 14, L"cmd.exe" };
PLIST_ENTRY Entry = Console->HistoryBuffers.Flink;
PHISTORY_BUFFER Hist;
for (; Entry != &Console->HistoryBuffers; Entry = Entry->Flink)
{
Hist = CONTAINING_RECORD(Entry, HISTORY_BUFFER, ListEntry);
if (RtlEqualUnicodeString(&ExeName, &Hist->ExeName, FALSE))
return Hist;
}
/* Couldn't find the buffer, create a new one */
Hist = ConsoleAllocHeap(0, sizeof(HISTORY_BUFFER) + ExeName.Length);
if (!Hist) return NULL;
Hist->MaxEntries = Console->HistoryBufferSize;
Hist->NumEntries = 0;
Hist->Entries = ConsoleAllocHeap(0, Hist->MaxEntries * sizeof(UNICODE_STRING));
if (!Hist->Entries)
{
ConsoleFreeHeap(Hist);
return NULL;
}
Hist->ExeName.Length = Hist->ExeName.MaximumLength = ExeName.Length;
Hist->ExeName.Buffer = (PWCHAR)(Hist + 1);
memcpy(Hist->ExeName.Buffer, ExeName.Buffer, ExeName.Length);
InsertHeadList(&Console->HistoryBuffers, &Hist->ListEntry);
return Hist;
}
static VOID
HistoryAddEntry(PCONSOLE Console)
{
UNICODE_STRING NewEntry;
PHISTORY_BUFFER Hist = HistoryCurrentBuffer(Console);
INT i;
if (!Hist) return;
NewEntry.Length = NewEntry.MaximumLength = Console->LineSize * sizeof(WCHAR);
NewEntry.Buffer = Console->LineBuffer;
/* Don't add blank or duplicate entries */
if (NewEntry.Length == 0 || Hist->MaxEntries == 0 ||
(Hist->NumEntries > 0 &&
RtlEqualUnicodeString(&Hist->Entries[Hist->NumEntries - 1], &NewEntry, FALSE)))
{
return;
}
if (Console->HistoryNoDup)
{
/* Check if this line has been entered before */
for (i = Hist->NumEntries - 1; i >= 0; i--)
{
if (RtlEqualUnicodeString(&Hist->Entries[i], &NewEntry, FALSE))
{
/* Just rotate the list to bring this entry to the end */
NewEntry = Hist->Entries[i];
memmove(&Hist->Entries[i], &Hist->Entries[i + 1],
(Hist->NumEntries - (i + 1)) * sizeof(UNICODE_STRING));
Hist->Entries[Hist->NumEntries - 1] = NewEntry;
Hist->Position = Hist->NumEntries - 1;
return;
}
}
}
if (Hist->NumEntries == Hist->MaxEntries)
{
/* List is full, remove oldest entry */
RtlFreeUnicodeString(&Hist->Entries[0]);
memmove(&Hist->Entries[0], &Hist->Entries[1],
--Hist->NumEntries * sizeof(UNICODE_STRING));
}
if (NT_SUCCESS(RtlDuplicateUnicodeString(0, &NewEntry, &Hist->Entries[Hist->NumEntries])))
Hist->NumEntries++;
Hist->Position = Hist->NumEntries - 1;
}
static VOID
HistoryGetCurrentEntry(PCONSOLE Console, PUNICODE_STRING Entry)
{
PHISTORY_BUFFER Hist = HistoryCurrentBuffer(Console);
if (!Hist || Hist->NumEntries == 0)
Entry->Length = 0;
else
*Entry = Hist->Entries[Hist->Position];
}
static PHISTORY_BUFFER
HistoryFindBuffer(PCONSOLE Console, PUNICODE_STRING ExeName)
{
PLIST_ENTRY Entry = Console->HistoryBuffers.Flink;
while (Entry != &Console->HistoryBuffers)
{
/* For the history APIs, the caller is allowed to give only part of the name */
PHISTORY_BUFFER Hist = CONTAINING_RECORD(Entry, HISTORY_BUFFER, ListEntry);
if (RtlPrefixUnicodeString(ExeName, &Hist->ExeName, TRUE))
return Hist;
Entry = Entry->Flink;
}
return NULL;
}
static VOID
HistoryDeleteBuffer(PHISTORY_BUFFER Hist)
{
if (!Hist) return;
while (Hist->NumEntries != 0)
RtlFreeUnicodeString(&Hist->Entries[--Hist->NumEntries]);
ConsoleFreeHeap(Hist->Entries);
RemoveEntryList(&Hist->ListEntry);
ConsoleFreeHeap(Hist);
}
VOID FASTCALL
HistoryDeleteBuffers(PCONSOLE Console)
{
PLIST_ENTRY CurrentEntry;
PHISTORY_BUFFER HistoryBuffer;
while (!IsListEmpty(&Console->HistoryBuffers))
{
CurrentEntry = RemoveHeadList(&Console->HistoryBuffers);
HistoryBuffer = CONTAINING_RECORD(CurrentEntry, HISTORY_BUFFER, ListEntry);
HistoryDeleteBuffer(HistoryBuffer);
}
}
static VOID
LineInputSetPos(PCONSOLE Console, UINT Pos)
{
if (Pos != Console->LinePos && Console->InputBuffer.Mode & ENABLE_ECHO_INPUT)
{
PCONSOLE_SCREEN_BUFFER Buffer = Console->ActiveBuffer;
SHORT OldCursorX = Buffer->CursorPosition.X;
SHORT OldCursorY = Buffer->CursorPosition.Y;
INT XY = OldCursorY * Buffer->ScreenBufferSize.X + OldCursorX;
XY += (Pos - Console->LinePos);
if (XY < 0)
XY = 0;
else if (XY >= Buffer->ScreenBufferSize.Y * Buffer->ScreenBufferSize.X)
XY = Buffer->ScreenBufferSize.Y * Buffer->ScreenBufferSize.X - 1;
Buffer->CursorPosition.X = XY % Buffer->ScreenBufferSize.X;
Buffer->CursorPosition.Y = XY / Buffer->ScreenBufferSize.X;
ConioSetScreenInfo(Console, Buffer, OldCursorX, OldCursorY);
}
Console->LinePos = Pos;
}
static VOID
LineInputEdit(PCONSOLE Console, UINT NumToDelete, UINT NumToInsert, WCHAR *Insertion)
{
PTEXTMODE_SCREEN_BUFFER ActiveBuffer;
UINT Pos = Console->LinePos;
UINT NewSize = Console->LineSize - NumToDelete + NumToInsert;
UINT i;
if (GetType(Console->ActiveBuffer) != TEXTMODE_BUFFER) return;
ActiveBuffer = (PTEXTMODE_SCREEN_BUFFER)Console->ActiveBuffer;
/* Make sure there's always enough room for ending \r\n */
if (NewSize + 2 > Console->LineMaxSize)
return;
memmove(&Console->LineBuffer[Pos + NumToInsert],
&Console->LineBuffer[Pos + NumToDelete],
(Console->LineSize - (Pos + NumToDelete)) * sizeof(WCHAR));
memcpy(&Console->LineBuffer[Pos], Insertion, NumToInsert * sizeof(WCHAR));
if (Console->InputBuffer.Mode & ENABLE_ECHO_INPUT)
{
for (i = Pos; i < NewSize; i++)
{
ConioWriteConsole(Console, ActiveBuffer, &Console->LineBuffer[i], 1, TRUE);
}
for (; i < Console->LineSize; i++)
{
ConioWriteConsole(Console, ActiveBuffer, L" ", 1, TRUE);
}
Console->LinePos = i;
}
Console->LineSize = NewSize;
LineInputSetPos(Console, Pos + NumToInsert);
}
static VOID
LineInputRecallHistory(PCONSOLE Console, INT Offset)
{
PHISTORY_BUFFER Hist = HistoryCurrentBuffer(Console);
UINT Position = 0;
if (!Hist || Hist->NumEntries == 0) return;
Position = Hist->Position + Offset;
Position = min(max(Position, 0), Hist->NumEntries - 1);
Hist->Position = Position;
LineInputSetPos(Console, 0);
LineInputEdit(Console, Console->LineSize,
Hist->Entries[Hist->Position].Length / sizeof(WCHAR),
Hist->Entries[Hist->Position].Buffer);
}
VOID FASTCALL
LineInputKeyDown(PCONSOLE Console, KEY_EVENT_RECORD *KeyEvent)
{
UINT Pos = Console->LinePos;
PHISTORY_BUFFER Hist;
UNICODE_STRING Entry;
INT HistPos;
switch (KeyEvent->wVirtualKeyCode)
{
case VK_ESCAPE:
/* Clear entire line */
LineInputSetPos(Console, 0);
LineInputEdit(Console, Console->LineSize, 0, NULL);
return;
case VK_HOME:
/* Move to start of line. With ctrl, erase everything left of cursor */
LineInputSetPos(Console, 0);
if (KeyEvent->dwControlKeyState & (LEFT_CTRL_PRESSED | RIGHT_CTRL_PRESSED))
LineInputEdit(Console, Pos, 0, NULL);
return;
case VK_END:
/* Move to end of line. With ctrl, erase everything right of cursor */
if (KeyEvent->dwControlKeyState & (LEFT_CTRL_PRESSED | RIGHT_CTRL_PRESSED))
LineInputEdit(Console, Console->LineSize - Pos, 0, NULL);
else
LineInputSetPos(Console, Console->LineSize);
return;
case VK_LEFT:
/* Move left. With ctrl, move to beginning of previous word */
if (KeyEvent->dwControlKeyState & (LEFT_CTRL_PRESSED | RIGHT_CTRL_PRESSED))
{
while (Pos > 0 && Console->LineBuffer[Pos - 1] == L' ') Pos--;
while (Pos > 0 && Console->LineBuffer[Pos - 1] != L' ') Pos--;
}
else
{
Pos -= (Pos > 0);
}
LineInputSetPos(Console, Pos);
return;
case VK_RIGHT:
case VK_F1:
/* Move right. With ctrl, move to beginning of next word */
if (KeyEvent->dwControlKeyState & (LEFT_CTRL_PRESSED | RIGHT_CTRL_PRESSED))
{
while (Pos < Console->LineSize && Console->LineBuffer[Pos] != L' ') Pos++;
while (Pos < Console->LineSize && Console->LineBuffer[Pos] == L' ') Pos++;
LineInputSetPos(Console, Pos);
return;
}
else
{
/* Recall one character (but don't overwrite current line) */
HistoryGetCurrentEntry(Console, &Entry);
if (Pos < Console->LineSize)
LineInputSetPos(Console, Pos + 1);
else if (Pos * sizeof(WCHAR) < Entry.Length)
LineInputEdit(Console, 0, 1, &Entry.Buffer[Pos]);
}
return;
case VK_INSERT:
/* Toggle between insert and overstrike */
Console->LineInsertToggle = !Console->LineInsertToggle;
ConioSetCursorInfo(Console, Console->ActiveBuffer);
return;
case VK_DELETE:
/* Remove character to right of cursor */
if (Pos != Console->LineSize)
LineInputEdit(Console, 1, 0, NULL);
return;
case VK_PRIOR:
/* Recall first history entry */
LineInputRecallHistory(Console, -((WORD)-1));
return;
case VK_NEXT:
/* Recall last history entry */
LineInputRecallHistory(Console, +((WORD)-1));
return;
case VK_UP:
case VK_F5:
/* Recall previous history entry. On first time, actually recall the
* current (usually last) entry; on subsequent times go back. */
LineInputRecallHistory(Console, Console->LineUpPressed ? -1 : 0);
Console->LineUpPressed = TRUE;
return;
case VK_DOWN:
/* Recall next history entry */
LineInputRecallHistory(Console, +1);
return;
case VK_F3:
/* Recall remainder of current history entry */
HistoryGetCurrentEntry(Console, &Entry);
if (Pos * sizeof(WCHAR) < Entry.Length)
{
UINT InsertSize = (Entry.Length / sizeof(WCHAR) - Pos);
UINT DeleteSize = min(Console->LineSize - Pos, InsertSize);
LineInputEdit(Console, DeleteSize, InsertSize, &Entry.Buffer[Pos]);
}
return;
case VK_F6:
/* Insert a ^Z character */
KeyEvent->uChar.UnicodeChar = 26;
break;
case VK_F7:
if (KeyEvent->dwControlKeyState & (LEFT_ALT_PRESSED | RIGHT_ALT_PRESSED))
HistoryDeleteBuffer(HistoryCurrentBuffer(Console));
return;
case VK_F8:
/* Search for history entries starting with input. */
Hist = HistoryCurrentBuffer(Console);
if (!Hist || Hist->NumEntries == 0) return;
/* Like Up/F5, on first time start from current (usually last) entry,
* but on subsequent times start at previous entry. */
if (Console->LineUpPressed)
Hist->Position = (Hist->Position ? Hist->Position : Hist->NumEntries) - 1;
Console->LineUpPressed = TRUE;
Entry.Length = Console->LinePos * sizeof(WCHAR);
Entry.Buffer = Console->LineBuffer;
/* Keep going backwards, even wrapping around to the end,
* until we get back to starting point */
HistPos = Hist->Position;
do
{
if (RtlPrefixUnicodeString(&Entry, &Hist->Entries[HistPos], FALSE))
{
Hist->Position = HistPos;
LineInputEdit(Console, Console->LineSize - Pos,
Hist->Entries[HistPos].Length / sizeof(WCHAR) - Pos,
&Hist->Entries[HistPos].Buffer[Pos]);
/* Cursor stays where it was */
LineInputSetPos(Console, Pos);
return;
}
if (--HistPos < 0) HistPos += Hist->NumEntries;
} while (HistPos != Hist->Position);
return;
}
if (KeyEvent->uChar.UnicodeChar == L'\b' && Console->InputBuffer.Mode & ENABLE_PROCESSED_INPUT)
{
/* backspace handling - if processed input enabled then we handle it here
* otherwise we treat it like a normal char. */
if (Pos > 0)
{
LineInputSetPos(Console, Pos - 1);
LineInputEdit(Console, 1, 0, NULL);
}
}
else if (KeyEvent->uChar.UnicodeChar == L'\r')
{
HistoryAddEntry(Console);
/* TODO: Expand aliases */
LineInputSetPos(Console, Console->LineSize);
Console->LineBuffer[Console->LineSize++] = L'\r';
if (Console->InputBuffer.Mode & ENABLE_ECHO_INPUT)
{
if (GetType(Console->ActiveBuffer) == TEXTMODE_BUFFER)
{
ConioWriteConsole(Console, (PTEXTMODE_SCREEN_BUFFER)(Console->ActiveBuffer), L"\r", 1, TRUE);
}
}
/* Add \n if processed input. There should usually be room for it,
* but an exception to the rule exists: the buffer could have been
* pre-filled with LineMaxSize - 1 characters. */
if (Console->InputBuffer.Mode & ENABLE_PROCESSED_INPUT &&
Console->LineSize < Console->LineMaxSize)
{
Console->LineBuffer[Console->LineSize++] = L'\n';
if (Console->InputBuffer.Mode & ENABLE_ECHO_INPUT)
{
if (GetType(Console->ActiveBuffer) == TEXTMODE_BUFFER)
{
ConioWriteConsole(Console, (PTEXTMODE_SCREEN_BUFFER)(Console->ActiveBuffer), L"\n", 1, TRUE);
}
}
}
Console->LineComplete = TRUE;
Console->LinePos = 0;
}
else if (KeyEvent->uChar.UnicodeChar != L'\0')
{
if (KeyEvent->uChar.UnicodeChar < 0x20 &&
Console->LineWakeupMask & (1 << KeyEvent->uChar.UnicodeChar))
{
/* Control key client wants to handle itself (e.g. for tab completion) */
Console->LineBuffer[Console->LineSize++] = L' ';
Console->LineBuffer[Console->LinePos] = KeyEvent->uChar.UnicodeChar;
Console->LineComplete = TRUE;
Console->LinePos = 0;
}
else
{
/* Normal character */
BOOL Overstrike = Console->LineInsertToggle && Console->LinePos != Console->LineSize;
LineInputEdit(Console, Overstrike, 1, &KeyEvent->uChar.UnicodeChar);
}
}
}
/* PUBLIC SERVER APIS *********************************************************/
CSR_API(SrvGetConsoleCommandHistory)
{
PCONSOLE_GETCOMMANDHISTORY GetCommandHistoryRequest = &((PCONSOLE_API_MESSAGE)ApiMessage)->Data.GetCommandHistoryRequest;
PCONSOLE_PROCESS_DATA ProcessData = ConsoleGetPerProcessData(CsrGetClientThread()->Process);
PCONSOLE Console;
NTSTATUS Status;
PHISTORY_BUFFER Hist;
PBYTE Buffer = (PBYTE)GetCommandHistoryRequest->History;
ULONG BufferSize = GetCommandHistoryRequest->Length;
UINT i;
if ( !CsrValidateMessageBuffer(ApiMessage,
(PVOID*)&GetCommandHistoryRequest->History,
GetCommandHistoryRequest->Length,
sizeof(BYTE)) ||
!CsrValidateMessageBuffer(ApiMessage,
(PVOID*)&GetCommandHistoryRequest->ExeName.Buffer,
GetCommandHistoryRequest->ExeName.Length,
sizeof(BYTE)) )
{
return STATUS_INVALID_PARAMETER;
}
Status = ConSrvGetConsole(ProcessData, &Console, TRUE);
if (NT_SUCCESS(Status))
{
Hist = HistoryFindBuffer(Console, &GetCommandHistoryRequest->ExeName);
if (Hist)
{
for (i = 0; i < Hist->NumEntries; i++)
{
if (BufferSize < (Hist->Entries[i].Length + sizeof(WCHAR)))
{
Status = STATUS_BUFFER_OVERFLOW;
break;
}
memcpy(Buffer, Hist->Entries[i].Buffer, Hist->Entries[i].Length);
Buffer += Hist->Entries[i].Length;
*(PWCHAR)Buffer = L'\0';
Buffer += sizeof(WCHAR);
}
}
GetCommandHistoryRequest->Length = Buffer - (PBYTE)GetCommandHistoryRequest->History;
ConSrvReleaseConsole(Console, TRUE);
}
return Status;
}
CSR_API(SrvGetConsoleCommandHistoryLength)
{
PCONSOLE_GETCOMMANDHISTORYLENGTH GetCommandHistoryLengthRequest = &((PCONSOLE_API_MESSAGE)ApiMessage)->Data.GetCommandHistoryLengthRequest;
PCONSOLE_PROCESS_DATA ProcessData = ConsoleGetPerProcessData(CsrGetClientThread()->Process);
PCONSOLE Console;
NTSTATUS Status;
PHISTORY_BUFFER Hist;
ULONG Length = 0;
UINT i;
if (!CsrValidateMessageBuffer(ApiMessage,
(PVOID*)&GetCommandHistoryLengthRequest->ExeName.Buffer,
GetCommandHistoryLengthRequest->ExeName.Length,
sizeof(BYTE)))
{
return STATUS_INVALID_PARAMETER;
}
Status = ConSrvGetConsole(ProcessData, &Console, TRUE);
if (NT_SUCCESS(Status))
{
Hist = HistoryFindBuffer(Console, &GetCommandHistoryLengthRequest->ExeName);
if (Hist)
{
for (i = 0; i < Hist->NumEntries; i++)
Length += Hist->Entries[i].Length + sizeof(WCHAR);
}
GetCommandHistoryLengthRequest->Length = Length;
ConSrvReleaseConsole(Console, TRUE);
}
return Status;
}
CSR_API(SrvExpungeConsoleCommandHistory)
{
PCONSOLE_EXPUNGECOMMANDHISTORY ExpungeCommandHistoryRequest = &((PCONSOLE_API_MESSAGE)ApiMessage)->Data.ExpungeCommandHistoryRequest;
PCONSOLE_PROCESS_DATA ProcessData = ConsoleGetPerProcessData(CsrGetClientThread()->Process);
PCONSOLE Console;
PHISTORY_BUFFER Hist;
NTSTATUS Status;
if (!CsrValidateMessageBuffer(ApiMessage,
(PVOID*)&ExpungeCommandHistoryRequest->ExeName.Buffer,
ExpungeCommandHistoryRequest->ExeName.Length,
sizeof(BYTE)))
{
return STATUS_INVALID_PARAMETER;
}
Status = ConSrvGetConsole(ProcessData, &Console, TRUE);
if (NT_SUCCESS(Status))
{
Hist = HistoryFindBuffer(Console, &ExpungeCommandHistoryRequest->ExeName);
HistoryDeleteBuffer(Hist);
ConSrvReleaseConsole(Console, TRUE);
}
return Status;
}
CSR_API(SrvSetConsoleNumberOfCommands)
{
PCONSOLE_SETHISTORYNUMBERCOMMANDS SetHistoryNumberCommandsRequest = &((PCONSOLE_API_MESSAGE)ApiMessage)->Data.SetHistoryNumberCommandsRequest;
PCONSOLE_PROCESS_DATA ProcessData = ConsoleGetPerProcessData(CsrGetClientThread()->Process);
PCONSOLE Console;
PHISTORY_BUFFER Hist;
NTSTATUS Status;
UINT MaxEntries = SetHistoryNumberCommandsRequest->NumCommands;
PUNICODE_STRING OldEntryList, NewEntryList;
if (!CsrValidateMessageBuffer(ApiMessage,
(PVOID*)&SetHistoryNumberCommandsRequest->ExeName.Buffer,
SetHistoryNumberCommandsRequest->ExeName.Length,
sizeof(BYTE)))
{
return STATUS_INVALID_PARAMETER;
}
Status = ConSrvGetConsole(ProcessData, &Console, TRUE);
if (NT_SUCCESS(Status))
{
Hist = HistoryFindBuffer(Console, &SetHistoryNumberCommandsRequest->ExeName);
if (Hist)
{
OldEntryList = Hist->Entries;
NewEntryList = ConsoleAllocHeap(0, MaxEntries * sizeof(UNICODE_STRING));
if (!NewEntryList)
{
Status = STATUS_NO_MEMORY;
}
else
{
/* If necessary, shrink by removing oldest entries */
for (; Hist->NumEntries > MaxEntries; Hist->NumEntries--)
{
RtlFreeUnicodeString(Hist->Entries++);
Hist->Position += (Hist->Position == 0);
}
Hist->MaxEntries = MaxEntries;
Hist->Entries = memcpy(NewEntryList, Hist->Entries,
Hist->NumEntries * sizeof(UNICODE_STRING));
ConsoleFreeHeap(OldEntryList);
}
}
ConSrvReleaseConsole(Console, TRUE);
}
return Status;
}
CSR_API(SrvGetConsoleHistory)
{
PCONSOLE_GETSETHISTORYINFO HistoryInfoRequest = &((PCONSOLE_API_MESSAGE)ApiMessage)->Data.HistoryInfoRequest;
PCONSOLE Console;
NTSTATUS Status = ConSrvGetConsole(ConsoleGetPerProcessData(CsrGetClientThread()->Process), &Console, TRUE);
if (NT_SUCCESS(Status))
{
HistoryInfoRequest->HistoryBufferSize = Console->HistoryBufferSize;
HistoryInfoRequest->NumberOfHistoryBuffers = Console->NumberOfHistoryBuffers;
HistoryInfoRequest->dwFlags = Console->HistoryNoDup;
ConSrvReleaseConsole(Console, TRUE);
}
return Status;
}
CSR_API(SrvSetConsoleHistory)
{
PCONSOLE_GETSETHISTORYINFO HistoryInfoRequest = &((PCONSOLE_API_MESSAGE)ApiMessage)->Data.HistoryInfoRequest;
PCONSOLE Console;
NTSTATUS Status = ConSrvGetConsole(ConsoleGetPerProcessData(CsrGetClientThread()->Process), &Console, TRUE);
if (NT_SUCCESS(Status))
{
Console->HistoryBufferSize = HistoryInfoRequest->HistoryBufferSize;
Console->NumberOfHistoryBuffers = HistoryInfoRequest->NumberOfHistoryBuffers;
Console->HistoryNoDup = HistoryInfoRequest->dwFlags & HISTORY_NO_DUP_FLAG;
ConSrvReleaseConsole(Console, TRUE);
}
return Status;
}
/* EOF */