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rename 2nd parameter of NtUserGetClipboardData from Unknown1 to pBuffer. Use SEH to copy data.

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svn path=/trunk/; revision=33329
This commit is contained in:
Timo Kreuzer 2008-05-06 20:09:34 +00:00
parent a64e1e81c5
commit 9aafcccad6
2 changed files with 29 additions and 14 deletions
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4
reactos/include/reactos/win32k/ntuser.h
View file

@ -1169,7 +1169,7 @@ HANDLE
NTAPI
NtUserGetClipboardData(
UINT uFormat,
DWORD Unknown1);
PVOID pBuffer);
INT
NTAPI
@ -1614,7 +1614,7 @@ NtUserMapVirtualKeyEx( UINT keyCode,
#define NUMC_SENDMESSAGE 0x02B0
// Kernel has option to use TO or normal msg send, based on type of msg.
#define NUMC_SENDMESSAGEWTOOPTION 0x02B1
#define NUMC_SENDMESSAGEWTOOPTION 0x02B1
#define NUMC_SENDMESSAGETIMEOUT 0x02B2
#define NUMC_BROADCASTSYSTEMMESSAGE 0x02B4
#define NUMC_SENDNOTIFYMESSAGE 0x02B7

39
reactos/subsystems/win32/win32k/ntuser/clipboard.c
View file

@ -598,17 +598,16 @@ NtUserEmptyClipboard(VOID)
}
HANDLE STDCALL
NtUserGetClipboardData(UINT uFormat, DWORD Unknown1)
NtUserGetClipboardData(UINT uFormat, PVOID pBuffer)
{
HANDLE ret = NULL;
PCHAR buffer;
UserEnterShared();
if (intIsClipboardOpenByMe())
{
/* when Unknown1 is zero, we returns to user32 the data size */
if (Unknown1 == 0)
if (!pBuffer)
{
PCLIPBOARDELEMENT data = intIsFormatAvailable(uFormat);
@ -624,7 +623,7 @@ NtUserGetClipboardData(UINT uFormat, DWORD Unknown1)
co_IntSendMessage(ClipboardOwnerWindow->hSelf, WM_RENDERFORMAT, (WPARAM)uFormat, 0);
data = intIsFormatAvailable(uFormat);
ASSERT(data->size);
ret = (HANDLE)data->size;
ret = (HANDLE)(ULONG_PTR)data->size;
}
}
else
@ -635,7 +634,7 @@ NtUserGetClipboardData(UINT uFormat, DWORD Unknown1)
}
}
ret = (HANDLE)data->size;
ret = (HANDLE)(ULONG_PTR)data->size;
}
else
{
@ -668,20 +667,36 @@ NtUserGetClipboardData(UINT uFormat, DWORD Unknown1)
}
else
{
buffer = (PCHAR)Unknown1;
memcpy(buffer, (PCHAR)synthesizedData, synthesizedDataSize);
ret = (HANDLE)pBuffer;
_SEH_TRY
{
ProbeForWrite(pBuffer, synthesizedDataSize, 1);
memcpy(pBuffer, (PCHAR)synthesizedData, synthesizedDataSize);
}
_SEH_HANDLE
{
ret = NULL;
}
_SEH_END
freeSynthesizedData();
ret = (HANDLE)Unknown1;
}
}
else
{
buffer = (PCHAR)Unknown1;
memcpy(buffer, (PCHAR)data->hData, data->size);
ret = (HANDLE)pBuffer;
ret = (HANDLE)Unknown1;
_SEH_TRY
{
ProbeForWrite(pBuffer, data->size, 1);
memcpy(pBuffer, (PCHAR)data->hData, data->size);
}
_SEH_HANDLE
{
ret = NULL;
}
_SEH_END
}
}