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Fix buffer overrun. 

Fixes https://gitlab.com/kicad/code/kicad/-/issues/15187
This commit is contained in:
Jeff Young 2023-07-13 16:03:40 +01:00
parent c0a5be4e9f
commit 2e89c735c0
3 changed files with 13 additions and 17 deletions
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24
eeschema/sim/sim_plot_tab.cpp
View File

@ -826,19 +826,15 @@ TRACE* SIM_PLOT_TAB::AddTrace( const wxString& aVectorName, int aType )
}
void SIM_PLOT_TAB::SetTraceData( TRACE* trace, unsigned int aPoints, const double* aX,
const double* aY )
void SIM_PLOT_TAB::SetTraceData( TRACE* trace, std::vector<double>& aX, std::vector<double>& aY )
{
std::vector<double> x( aX, aX + aPoints );
std::vector<double> y( aY, aY + aPoints );
if( dynamic_cast<LOG_SCALE<mpScaleXLog>*>( m_axis_x ) )
{
// log( 0 ) is not valid.
if( x.size() > 0 && x[0] == 0 )
if( aX.size() > 0 && aX[0] == 0 )
{
x.erase( x.begin() );
y.erase( y.begin() );
aX.erase( aX.begin() );
aY.erase( aY.begin() );
}
}
@ -846,21 +842,21 @@ void SIM_PLOT_TAB::SetTraceData( TRACE* trace, unsigned int aPoints, const doubl
{
if( trace->GetType() & SPT_AC_PHASE )
{
for( unsigned int i = 0; i < aPoints; i++ )
y[i] = y[i] * 180.0 / M_PI; // convert to degrees
for( double& pt : aY )
pt = pt * 180.0 / M_PI; // convert to degrees
}
else
{
for( unsigned int i = 0; i < aPoints; i++ )
for( double& pt : aY )
{
// log( 0 ) is not valid.
if( y[i] != 0 )
y[i] = 20 * log( y[i] ) / log( 10.0 ); // convert to dB
if( pt != 0 )
pt = 20 * log( pt ) / log( 10.0 ); // convert to dB
}
}
}
trace->SetData( x, y );
trace->SetData( aX, aY );
if( ( trace->GetType() & SPT_AC_PHASE ) || ( trace->GetType() & SPT_CURRENT ) )
trace->SetScale( m_axis_x, m_axis_y2 );

2
eeschema/sim/sim_plot_tab.h
View File

@ -321,7 +321,7 @@ public:
TRACE* AddTrace( const wxString& aVectorName, int aType );
void SetTraceData( TRACE* aTrace, unsigned int aPoints, const double* aX, const double* aY );
void SetTraceData( TRACE* aTrace, std::vector<double>& aX, std::vector<double>& aY );
bool DeleteTrace( const wxString& aVectorName, int aTraceType );
void DeleteTrace( TRACE* aTrace );

4
eeschema/sim/simulator_panel.cpp
View File

@ -1621,7 +1621,7 @@ void SIMULATOR_PANEL::updateTrace( const wxString& aVectorName, int aTraceType,
std::vector<double> sub_y( data_y.begin() + offset,
data_y.begin() + offset + inner );
aPlotTab->SetTraceData( trace, inner, sub_x.data(), sub_y.data() );
aPlotTab->SetTraceData( trace, sub_x, sub_y );
}
}
@ -1632,7 +1632,7 @@ void SIMULATOR_PANEL::updateTrace( const wxString& aVectorName, int aTraceType,
else if( TRACE* trace = aPlotTab->AddTrace( aVectorName, aTraceType ) )
{
if( data_y.size() >= size )
aPlotTab->SetTraceData( trace, size, data_x.data(), data_y.data() );
aPlotTab->SetTraceData( trace, data_x, data_y );
}
}