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[WIN32K]

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- Simplify accelerators code a bit
- Set last error in NtUserCopyAcceleratorTable
- Fix user32:resource winetest regression

svn path=/trunk/; revision=53642
This commit is contained in:
Rafal Harabien 2011-09-08 14:13:19 +00:00
parent 2225b4b938
commit e0d36fe09a
1 changed files with 55 additions and 68 deletions
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123
reactos/subsystems/win32/win32k/ntuser/accelerator.c
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@ -291,19 +291,25 @@ NtUserCopyAcceleratorTable(
{
PACCELERATOR_TABLE Accel;
int Ret;
BOOL Done = FALSE;
DECLARE_RETURN(int);
TRACE("Enter NtUserCopyAcceleratorTable\n");
UserEnterShared();
Accel = UserGetAccelObject(hAccel);
if ((Entries && (EntriesCount < 1)) || ((hAccel == NULL) || (!Accel)))
if (!Accel)
{
RETURN(0);
EngSetLastError(ERROR_INVALID_ACCEL_HANDLE);
RETURN(0);
}
/* If Entries is NULL return table size */
if (!Entries)
{
RETURN(Accel->Count);
}
/* Don't overrun */
if (Accel->Count < EntriesCount)
EntriesCount = Accel->Count;
@ -313,20 +319,11 @@ NtUserCopyAcceleratorTable(
{
ProbeForWrite(Entries, EntriesCount*sizeof(Entries[0]), 4);
while (!Done)
for (Ret = 0; Ret < EntriesCount; Ret++)
{
if (Entries)
{
Entries[Ret].fVirt = Accel->Table[Ret].fVirt & 0x7f;
Entries[Ret].key = Accel->Table[Ret].key;
Entries[Ret].cmd = Accel->Table[Ret].cmd;
if(Ret + 1 == EntriesCount) Done = TRUE;
}
if((Accel->Table[Ret].fVirt & 0x80) != 0) Done = TRUE;
Ret++;
Entries[Ret].fVirt = Accel->Table[Ret].fVirt;
Entries[Ret].key = Accel->Table[Ret].key;
Entries[Ret].cmd = Accel->Table[Ret].cmd;
}
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
@ -360,7 +357,7 @@ NtUserCreateAcceleratorTable(
Entries, EntriesCount);
UserEnterExclusive();
if (!Entries || EntriesCount < 1)
if (!Entries || EntriesCount <= 0)
{
SetLastNtError(STATUS_INVALID_PARAMETER);
RETURN( (HACCEL) NULL );
@ -375,57 +372,51 @@ NtUserCreateAcceleratorTable(
}
Accel->Count = EntriesCount;
if (Accel->Count > 0)
Accel->Table = ExAllocatePoolWithTag(PagedPool, EntriesCount * sizeof(ACCEL), USERTAG_ACCEL);
if (Accel->Table == NULL)
{
Accel->Table = ExAllocatePoolWithTag(PagedPool, EntriesCount * sizeof(ACCEL), USERTAG_ACCEL);
if (Accel->Table == NULL)
{
UserDereferenceObject(Accel);
UserDeleteObject(hAccel, otAccel);
SetLastNtError(STATUS_NO_MEMORY);
RETURN( (HACCEL) NULL);
}
UserDereferenceObject(Accel);
UserDeleteObject(hAccel, otAccel);
SetLastNtError(STATUS_NO_MEMORY);
RETURN( (HACCEL) NULL);
}
_SEH2_TRY
{
ProbeForRead(Entries, EntriesCount * sizeof(ACCEL), 4);
_SEH2_TRY
{
ProbeForRead(Entries, EntriesCount * sizeof(ACCEL), 4);
for (Index = 0; Index < EntriesCount; Index++)
{
Accel->Table[Index].fVirt = Entries[Index].fVirt&0x7f;
if(Accel->Table[Index].fVirt & FVIRTKEY)
{
Accel->Table[Index].key = Entries[Index].key;
}
else
{
RtlMultiByteToUnicodeN(&Accel->Table[Index].key,
sizeof(WCHAR),
NULL,
(PCSTR)&Entries[Index].key,
sizeof(CHAR));
}
for (Index = 0; Index < EntriesCount; Index++)
{
Accel->Table[Index].fVirt = Entries[Index].fVirt & 0x7F;
if(Accel->Table[Index].fVirt & FVIRTKEY)
{
Accel->Table[Index].key = Entries[Index].key;
}
else
{
RtlMultiByteToUnicodeN(&Accel->Table[Index].key,
sizeof(WCHAR),
NULL,
(PCSTR)&Entries[Index].key,
sizeof(CHAR));
}
Accel->Table[Index].cmd = Entries[Index].cmd;
}
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
Status = _SEH2_GetExceptionCode();
}
_SEH2_END;
Accel->Table[Index].cmd = Entries[Index].cmd;
}
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
Status = _SEH2_GetExceptionCode();
}
_SEH2_END;
if (!NT_SUCCESS(Status))
{
ExFreePoolWithTag(Accel->Table, USERTAG_ACCEL);
UserDereferenceObject(Accel);
UserDeleteObject(hAccel, otAccel);
SetLastNtError(Status);
RETURN( (HACCEL) NULL);
}
/* Set the end-of-table terminator. */
Accel->Table[EntriesCount - 1].fVirt |= 0x80;
if (!NT_SUCCESS(Status))
{
ExFreePoolWithTag(Accel->Table, USERTAG_ACCEL);
UserDereferenceObject(Accel);
UserDeleteObject(hAccel, otAccel);
SetLastNtError(Status);
RETURN( (HACCEL) NULL);
}
/* FIXME: Save HandleTable in a list somewhere so we can clean it up again */
@ -546,10 +537,6 @@ NtUserTranslateAccelerator(
hWnd, hAccel, pUnsafeMessage, 1);
RETURN( 1);
}
if (((Accel->Table[i].fVirt & 0x80) > 0))
{
break;
}
}
RETURN( 0);