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[FLTMC] Do not ignore failures of some functions

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Also reduce use of magic values.

CORE-17637
This commit is contained in:
Jérôme Gardou 2021-06-17 15:50:54 +02:00 committed by Jérôme Gardou
parent 46394ab80d
commit 5aafeb473f
1 changed files with 42 additions and 34 deletions
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76
base/applications/fltmc/fltmc.cpp
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@ -61,7 +61,7 @@ SetDriverLoadPrivilege()
LUID luid;
BOOL bSuccess;
DWORD dwError = ERROR_SUCCESS;
bSuccess = OpenProcessToken(GetCurrentProcess(),
TOKEN_ADJUST_PRIVILEGES,
&hToken);
@ -220,7 +220,8 @@ PrintVolumeInfo(_In_ PVOID Buffer)
VolName[FilterVolInfo->FilterVolumeNameLength] = UNICODE_NULL;
}
(void)FilterGetDosName(VolName, DosName, 16);
if (!SUCCEEDED(FilterGetDosName(VolName, DosName, _countof(DosName))))
DosName[0] = L'\0';
switch (FilterVolInfo->FileSystemType)
{
@ -271,7 +272,7 @@ ListFilters()
hr = FilterFindFirst(FilterAggregateStandardInformation,
Buffer,
1024,
sizeof(Buffer),
&BytesReturned,
&FindHandle);
if (!SUCCEEDED(hr))
@ -279,44 +280,51 @@ ListFilters()
IsNewStyle = FALSE;
hr = FilterFindFirst(FilterFullInformation,
Buffer,
1024,
sizeof(Buffer),
&BytesReturned,
&FindHandle);
}
if (SUCCEEDED(hr))
if (!SUCCEEDED(hr))
{
if (IsNewStyle)
{
LoadAndPrintString(IDS_DISPLAY_FILTERS1);
wprintf(L"------------------------------ ------------- ------------ -----\n");
}
else
{
LoadAndPrintString(IDS_DISPLAY_FILTERS2);
wprintf(L"------------------------------ ------------- -----\n");
}
PrintFilterInfo(Buffer, IsNewStyle);
do
{
hr = FilterFindNext(FindHandle,
IsNewStyle ? FilterAggregateStandardInformation : FilterFullInformation,
Buffer,
1024,
&BytesReturned);
if (SUCCEEDED(hr))
{
PrintFilterInfo(Buffer, IsNewStyle);
}
} while (SUCCEEDED(hr));
FilterFindClose(FindHandle);
LoadAndPrintString(IDS_ERROR_FILTERS, hr);
PrintErrorText(hr);
return;
}
if (!SUCCEEDED(hr) && hr != HRESULT_FROM_WIN32(ERROR_NO_MORE_ITEMS))
if (IsNewStyle)
{
LoadAndPrintString(IDS_DISPLAY_FILTERS1);
wprintf(L"------------------------------ ------------- ------------ -----\n");
}
else
{
LoadAndPrintString(IDS_DISPLAY_FILTERS2);
wprintf(L"------------------------------ ------------- -----\n");
}
PrintFilterInfo(Buffer, IsNewStyle);
do
{
hr = FilterFindNext(FindHandle,
IsNewStyle ? FilterAggregateStandardInformation : FilterFullInformation,
Buffer,
sizeof(Buffer),
&BytesReturned);
if (SUCCEEDED(hr))
{
PrintFilterInfo(Buffer, IsNewStyle);
}
else if (hr != HRESULT_FROM_WIN32(ERROR_NO_MORE_ITEMS))
{
LoadAndPrintString(IDS_ERROR_FILTERS, hr);
PrintErrorText(hr);
}
} while (SUCCEEDED(hr));
hr = FilterFindClose(FindHandle);
if (!SUCCEEDED(hr))
{
LoadAndPrintString(IDS_ERROR_FILTERS, hr);
PrintErrorText(hr);