void CTempFiles::DeleteOldTempFiles(LPCTSTR wildCard)
{
DWORD len = ::GetTempPath(0, nullptr);
auto path = std::make_unique<TCHAR[]>(len + 100);
len = ::GetTempPath (len+100, path.get());
if (len == 0)
return;
CSimpleFileFind finder = CSimpleFileFind(path.get(), wildCard);
FILETIME systime_;
::GetSystemTimeAsFileTime(&systime_);
__int64 systime = (__int64)systime_.dwLowDateTime | (__int64)systime_.dwHighDateTime << 32LL;
while (finder.FindNextFileNoDirectories())
{
CString filepath = finder.GetFilePath();
FILETIME createtime_ = finder.GetCreateTime();
__int64 createtime = (__int64)createtime_.dwLowDateTime | (__int64)createtime_.dwHighDateTime << 32LL;
createtime += 864000000000LL; //only delete files older than a day
if (createtime < systime)
{
::SetFileAttributes(filepath, FILE_ATTRIBUTE_NORMAL);
::DeleteFile(filepath);
}
}
}
