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Run some sanity checks on fp-info-cache files. 

Fixes: lp:1803989
* https://bugs.launchpad.net/kicad/+bug/1803989
This commit is contained in:
Jeff Young 2018-11-19 21:06:02 +00:00
parent 984d3f04ab
commit c016861962
1 changed files with 24 additions and 19 deletions
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43
pcbnew/footprint_info_impl.cpp
View File

@ -371,30 +371,31 @@ void FOOTPRINT_LIST_IMPL::WriteCacheToFile( wxTextFile* aCacheFile )
void FOOTPRINT_LIST_IMPL::ReadCacheFromFile( wxTextFile* aCacheFile )
{
m_list_timestamp = 0;
m_list.clear();
try
{
m_list.clear();
if( aCacheFile->Exists() )
aCacheFile->Open();
else
return;
aCacheFile->GetFirstLine().ToLongLong( &m_list_timestamp );
while( aCacheFile->GetCurrentLine() + 6 < aCacheFile->GetLineCount() )
{
wxString libNickname = aCacheFile->GetNextLine();
wxString name = aCacheFile->GetNextLine();
wxString description = aCacheFile->GetNextLine();
wxString keywords = aCacheFile->GetNextLine();
int orderNum = wxAtoi( aCacheFile->GetNextLine() );
unsigned int padCount = (unsigned) wxAtoi( aCacheFile->GetNextLine() );
unsigned int uniquePadCount = (unsigned) wxAtoi( aCacheFile->GetNextLine() );
aCacheFile->Open();
auto* fpinfo = new FOOTPRINT_INFO_IMPL( libNickname, name, description, keywords,
orderNum, padCount, uniquePadCount );
m_list.emplace_back( std::unique_ptr<FOOTPRINT_INFO>( fpinfo ) );
aCacheFile->GetFirstLine().ToLongLong( &m_list_timestamp );
while( aCacheFile->GetCurrentLine() + 6 < aCacheFile->GetLineCount() )
{
wxString libNickname = aCacheFile->GetNextLine();
wxString name = aCacheFile->GetNextLine();
wxString description = aCacheFile->GetNextLine();
wxString keywords = aCacheFile->GetNextLine();
int orderNum = wxAtoi( aCacheFile->GetNextLine() );
unsigned int padCount = (unsigned) wxAtoi( aCacheFile->GetNextLine() );
unsigned int uniquePadCount = (unsigned) wxAtoi( aCacheFile->GetNextLine() );
auto* fpinfo = new FOOTPRINT_INFO_IMPL( libNickname, name, description, keywords,
orderNum, padCount, uniquePadCount );
m_list.emplace_back( std::unique_ptr<FOOTPRINT_INFO>( fpinfo ) );
}
}
}
catch( ... )
@ -403,6 +404,10 @@ void FOOTPRINT_LIST_IMPL::ReadCacheFromFile( wxTextFile* aCacheFile )
m_list_timestamp = 0;
}
// Sanity check: an empty list is very unlikely to be correct.
if( m_list.size() == 0 )
m_list_timestamp = 0;
if( aCacheFile->IsOpened() )
aCacheFile->Close();
}