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fix crash on windows clipboard

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Signed-off-by: fufesou <shuanglongchen@yeah.net>
This commit is contained in:
fufesou 2022-02-24 00:17:59 +08:00
parent 555ff0085a
commit 128a4aca69
1 changed files with 40 additions and 6 deletions
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46
libs/clipboard/src/windows/wf_cliprdr.c
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@ -705,7 +705,9 @@ static HRESULT STDMETHODCALLTYPE CliprdrDataObject_GetData(IDataObject *This, FO
// DWORD remote_format_id = get_remote_format_id(clipboard, instance->m_pFormatEtc[idx].cfFormat);
// FIXME: origin code may be failed here???
if (cliprdr_send_data_request(instance->m_serverConnID, instance->m_remoteConnID, clipboard, instance->m_pFormatEtc[idx].cfFormat) != 0)
{
return E_UNEXPECTED;
}
pMedium->hGlobal = clipboard->hmem; /* points to a FILEGROUPDESCRIPTOR structure */
/* GlobalLock returns a pointer to the first byte of the memory block,
@ -1455,13 +1457,29 @@ static UINT cliprdr_send_data_request(UINT32 serverConnID, UINT32 remoteConnID,
formatDataRequest.requestedFormatId = remoteFormatId;
clipboard->requestedFormatId = formatId;
rc = clipboard->context->ClientFormatDataRequest(clipboard->context, &formatDataRequest);
if (rc != ERROR_SUCCESS)
{
return rc;
}
while (clipboard->context->CheckEnabled(serverConnID, remoteConnID))
{
if (WaitForSingleObject(clipboard->response_data_event, 50) != WAIT_OBJECT_0)
rc = ERROR_INTERNAL_ERROR;
else if (!ResetEvent(clipboard->response_data_event))
DWORD waitRes = WaitForSingleObject(clipboard->response_data_event, 50);
if (waitRes == WAIT_TIMEOUT)
{
continue;
}
if (waitRes != WAIT_OBJECT_0)
{
return ERROR_INTERNAL_ERROR;
}
if (!ResetEvent(clipboard->response_data_event))
{
// NOTE: critical error here, crash may be better
rc = ERROR_INTERNAL_ERROR;
}
return rc;
}
return ERROR_INTERNAL_ERROR;
@ -1488,13 +1506,29 @@ UINT cliprdr_send_request_filecontents(wfClipboard *clipboard, UINT32 serverConn
fileContentsRequest.clipDataId = 0;
fileContentsRequest.msgFlags = 0;
rc = clipboard->context->ClientFileContentsRequest(clipboard->context, &fileContentsRequest);
if (rc != ERROR_SUCCESS)
{
return rc;
}
while (clipboard->context->CheckEnabled(serverConnID, remoteConnID))
{
if (WaitForSingleObject(clipboard->req_fevent, INFINITE) != WAIT_OBJECT_0)
rc = ERROR_INTERNAL_ERROR;
else if (!ResetEvent(clipboard->req_fevent))
DWORD waitRes = WaitForSingleObject(clipboard->req_fevent, 50);
if (waitRes == WAIT_TIMEOUT)
{
continue;
}
if (waitRes != WAIT_OBJECT_0)
{
return ERROR_INTERNAL_ERROR;
}
if (!ResetEvent(clipboard->req_fevent))
{
// NOTE: critical error here, crash may be better
rc = ERROR_INTERNAL_ERROR;
}
return rc;
}
return ERROR_INTERNAL_ERROR;