Fix most GCC 4.6 compiler warnings and minor bug fix.

* Remove most (not all) variables that were initialized but never used that
  cause GCC 4.6 to generate a warning.
* Fix bug in schematic library editor best zoom calculation.

3d-viewer/3d_canvas.cpp

@@ -630,7 +630,6 @@ void Pcb3D_GLCanvas::TakeScreenshot( wxCommandEvent& event )
         wxYield();
     }
 
-    wxSize image_size = GetClientSize();
     struct vieport_params
     {
         GLint originx;

common/common_plotHPGL_functions.cpp

@@ -237,7 +237,7 @@ void HPGL_PLOTTER::flash_pad_oval( wxPoint pos, wxSize size, int orient,
                                    GRTraceMode trace_mode )
 {
     wxASSERT( output_file );
-    int rayon, deltaxy, cx, cy;
+    int deltaxy, cx, cy;
 
     /* The pad is reduced to an oval with size.y > size.x
      * (Oval vertical orientation 0)
@@ -249,7 +249,6 @@ void HPGL_PLOTTER::flash_pad_oval( wxPoint pos, wxSize size, int orient,
             orient -= 3600;
     }
     deltaxy = size.y - size.x;     /* distance between centers of the oval */
-    rayon   = size.x / 2;
 
     if( trace_mode == FILLED )
     {

common/drawpanel.cpp

@@ -880,9 +880,6 @@ void EDA_DRAW_PANEL::OnMouseEvent( wxMouseEvent& event )
     INSTALL_UNBUFFERED_DC( DC, this );
     DC.SetBackground( *wxBLACK_BRUSH );
 
-    /* Compute the cursor position in screen (device) units. */
-    wxPoint pos = CalcUnscrolledPosition( event.GetPosition() );
-
     /* Compute the cursor position in drawing (logical) units. */
     screen->SetMousePosition( event.GetLogicalPosition( DC ) );
 

common/edaappl.cpp

@@ -438,19 +438,17 @@ bool WinEDA_App::SetBinDir()
     char     Line[1024];
     char     FileName[1024];
     wxString str_arg0;
-    int      ii;
-    char*    res;
 
     FileName[0] = 0;
     str_arg0    = argv[0];
     if( strchr( (const char*) argv[0], '/' ) == NULL ) // no path
     {
         sprintf( FileName, "which %s > %s", TO_UTF8( str_arg0 ), TMP_FILE );
-        ii = system( FileName );
+        system( FileName );
 
         if( ( ftmp = fopen( TMP_FILE, "rt" ) ) != NULL )
         {
-            res = fgets( Line, 1000, ftmp );
+            fgets( Line, 1000, ftmp );
             fclose( ftmp );
             remove( TMP_FILE );
         }

eeschema/block.cpp

@@ -98,19 +98,16 @@ void SCH_EDIT_FRAME::InitBlockPasteInfos()
  */
 void SCH_EDIT_FRAME::HandleBlockPlace( wxDC* DC )
 {
-    bool            err   = false;
     BLOCK_SELECTOR* block = &GetScreen()->m_BlockLocate;
 
     if( !DrawPanel->IsMouseCaptured() )
     {
-        err = true;
         DisplayError( this, wxT( "HandleBlockPLace() : m_mouseCaptureCallback = NULL" ) );
     }
 
     if( block->GetCount() == 0 )
     {
         wxString msg;
-        err = true;
         msg.Printf( wxT( "HandleBlockPLace() error : no items to place (cmd %d, state %d)" ),
                     block->m_Command, block->m_State );
         DisplayError( this, msg );
@@ -121,7 +118,6 @@ void SCH_EDIT_FRAME::HandleBlockPlace( wxDC* DC )
     switch( block->m_Command )
     {
     case BLOCK_IDLE:
-        err = true;
         break;
 
     case BLOCK_ROTATE:

eeschema/block_libedit.cpp

@@ -199,12 +199,10 @@ bool LIB_EDIT_FRAME::HandleBlockEnd( wxDC* DC )
  */
 void LIB_EDIT_FRAME::HandleBlockPlace( wxDC* DC )
 {
-    bool err = false;
     wxPoint pt;
 
     if( !DrawPanel->IsMouseCaptured() )
     {
-        err = true;
         DisplayError( this, wxT( "HandleBlockPLace : m_mouseCaptureCallback = NULL" ) );
     }
 
@@ -213,7 +211,6 @@ void LIB_EDIT_FRAME::HandleBlockPlace( wxDC* DC )
     switch( GetScreen()->m_BlockLocate.m_Command )
     {
     case  BLOCK_IDLE:
-        err = true;
         break;
 
     case BLOCK_DRAG:                /* Drag */

eeschema/class_libentry.cpp

@@ -1169,11 +1169,10 @@ bool LIB_COMPONENT::SaveDateAndTime( FILE* aFile )
 bool LIB_COMPONENT::LoadDateAndTime( char* aLine )
 {
     int   year, mon, day, hour, min, sec;
-    char* text;
 
     year = mon = day = hour = min = sec = 0;
-    text = strtok( aLine, " \r\t\n" );
-    text = strtok( NULL, " \r\t\n" );
+    strtok( aLine, " \r\t\n" );
+    strtok( NULL, " \r\t\n" );
 
     if (sscanf( aLine, "%d/%d/%d %d:%d:%d", &year, &mon, &day, &hour, &min, &sec ) != 6 )
         return false;

eeschema/dialogs/dialog_SVG_print.cpp

@@ -100,14 +100,12 @@ void DIALOG_SVG_PRINT::PrintSVGDoc( bool aPrintAll, bool aPrint_Sheet_Ref )
         ReturnValueFromTextCtrl( *m_DialogPenWidth, m_Parent->m_InternalUnits );
 
     SCH_SCREEN* screen = (SCH_SCREEN*) m_Parent->GetScreen();
-    SCH_SCREEN* oldscreen  = screen;
 
     if( aPrintAll && m_Parent->m_Ident == SCHEMATIC_FRAME )
     {
         SCH_EDIT_FRAME*  schframe = (SCH_EDIT_FRAME*) m_Parent;
         SCH_SHEET_PATH*  sheetpath, * oldsheetpath = schframe->GetSheet();
         SCH_SCREEN*      schscreen = schframe->GetScreen();
-        oldscreen = schscreen;
         SCH_SHEET_LIST   SheetList( NULL );
         sheetpath = SheetList.GetFirst();
         SCH_SHEET_PATH   list;

eeschema/dialogs/dialog_edit_libentry_fields_in_lib.cpp

@@ -278,13 +278,8 @@ An alias %s already exists!\nCannot update this component" ),
 }
 
 
-/**************************************************************************************/
 void DIALOG_EDIT_LIBENTRY_FIELDS_IN_LIB::addFieldButtonHandler( wxCommandEvent& event )
-/**************************************************************************************/
 {
-    SCH_EDIT_FRAME* frame;
-    frame = (SCH_EDIT_FRAME*) wxGetApp().GetTopWindow();
-
     // in case m_FieldsBuf[REFERENCE].m_Orient has changed on screen only, grab
     // screen contents.
     if( !copyPanelToSelectedField() )

eeschema/lib_arc.cpp

@@ -592,10 +592,6 @@ void LIB_ARC::calcEdit( const wxPoint& aPosition )
             startPos = m_ArcStart;
             endPos   = m_ArcEnd;
 
-            wxPoint middlePoint = wxPoint( (startPos.x + endPos.x) / 2,
-                                           (startPos.y + endPos.y) / 2 );
-
-
             // If the distance is too small, use the old center point
             // else the new center point is calculated over the three points start/end/cursor
             if( DistanceLinePoint( startPos, endPos, aPosition ) > MINIMUM_SELECTION_DISTANCE )

eeschema/lib_pin.cpp

@@ -1756,7 +1756,6 @@ EDA_RECT LIB_PIN::GetBoundingBox() const
     int            nameTextOffset = 0;
     bool           showName = !m_name.IsEmpty() && (m_name != wxT( "~" ));
     bool           showNum = m_number != 0;
-    int            symbolX = TARGET_PIN_DIAM / 2;
     int            symbolY = TARGET_PIN_DIAM / 2;
 
     if( entry )
@@ -1776,7 +1775,7 @@ EDA_RECT LIB_PIN::GetBoundingBox() const
     int numberTextHeight  = showNum ? wxRound( m_PinNumSize * 1.1 ) : 0;
 
     if( m_shape & INVERT )
-        symbolX = symbolY = INVERT_PIN_RADIUS;
+        symbolY = INVERT_PIN_RADIUS;
 
     // calculate top left corner position
     // for the default pin orientation (PIN_RIGHT)

eeschema/libedit_onleftclick.cpp

@@ -118,8 +118,6 @@ void LIB_EDIT_FRAME::OnLeftClick( wxDC* DC, const wxPoint& aPosition )
  */
 void LIB_EDIT_FRAME::OnLeftDClick( wxDC* DC, const wxPoint& aPosition )
 {
-    wxPoint pos = GetPosition();
-
     if( m_component == NULL )
         return;
 

eeschema/libeditframe.cpp

@@ -378,7 +378,7 @@ int LIB_EDIT_FRAME::BestZoom()
     double margin_scale_factor = 0.8;
     double zx =(double) dx / ( margin_scale_factor * (double)size.x ) *
                     (double) GetScreen()->m_ZoomScalar;
-    double zy = (double) dx / ( margin_scale_factor * (double)size.y) *
+    double zy = (double) dy / ( margin_scale_factor * (double)size.y) *
                     (double) GetScreen()->m_ZoomScalar;
 
     int bestzoom = wxRound( MAX( zx, zy ) );

eeschema/netlist.cpp

@@ -85,14 +85,11 @@ void FreeNetObjectsList( NETLIST_OBJECT_LIST& aNetObjectsBuffer )
  */
 void SCH_EDIT_FRAME::BuildNetListBase()
 {
-    int             NetNumber;
     int             NetCode;
     SCH_SHEET_PATH* sheet;
     wxString        msg, activity;
     wxBusyCursor    Busy;
 
-    NetNumber = 1;
-
     activity = _( "Building net list:" );
     SetStatusText( activity );
 
@@ -104,6 +101,7 @@ void SCH_EDIT_FRAME::BuildNetListBase()
     /* Fill g_NetObjectslist with items used in connectivity calculation */
 
     sheet = SheetListList.GetFirst();
+
     for( ; sheet != NULL; sheet = SheetListList.GetNext() )
         AddConnectedObjects( sheet, g_NetObjectslist );
 
@@ -788,7 +786,6 @@ int IsBusLabel( const wxString& LabelDrawList )
     int ii;
     wxString BufLine;
     long tmp;
-    bool error = FALSE;
 
     /* Search for  '[' because a bus label is like "busname[nn..mm]" */
     ii = LabelDrawList.Find( '[' );
@@ -806,10 +803,9 @@ int IsBusLabel( const wxString& LabelDrawList )
         Num++;
     }
 
-    if( !BufLine.ToLong( &tmp ) )
-        error = true;
-
+    BufLine.ToLong( &tmp );
     FirstNumWireBus = tmp;
+
     while( LabelDrawList[Num] == '.' && Num < LabelDrawList.Len() )
         Num++;
 
@@ -820,18 +816,17 @@ int IsBusLabel( const wxString& LabelDrawList )
         Num++;
     }
 
-    if( !BufLine.ToLong( &tmp ) )
-        error = true;
+    BufLine.ToLong( &tmp );
     LastNumWireBus = tmp;
 
     if( FirstNumWireBus < 0 )
         FirstNumWireBus = 0;
+
     if( LastNumWireBus < 0 )
         LastNumWireBus = 0;
+
     if( FirstNumWireBus > LastNumWireBus )
-    {
         EXCHG( FirstNumWireBus, LastNumWireBus );
-    }
 
     return LastNumWireBus - FirstNumWireBus + 1;
 }

eeschema/onleftclick.cpp

@@ -312,7 +312,6 @@ void SCH_EDIT_FRAME::OnLeftDClick( wxDC* aDC, const wxPoint& aPosition )
 
 {
     EDA_ITEM* item = GetScreen()->GetCurItem();
-    wxPoint   pos = aPosition;
 
     switch( GetToolId() )
     {

eeschema/sch_field.cpp

@@ -423,8 +423,6 @@ bool SCH_FIELD::Matches( wxFindReplaceData& aSearchData, void* aAuxData, wxPoint
 
     if( match )
     {
-        EDA_RECT BoundaryBox = GetBoundingBox();
-
         if( aFindLocation )
             *aFindLocation = GetBoundingBox().Centre();
 

gerbview/gerbview_frame.cpp

@@ -233,8 +233,6 @@ void GERBVIEW_FRAME::SaveSettings()
 
     wxGetApp().SaveCurrentSetupValues( GetConfigurationSettings() );
 
-    wxRealPoint GridSize = GetScreen()->GetGridSize();
-
     long pageSize_opt = 0;
 
     if( m_Draw_Sheet_Ref )

gerbview/toolbars_gerber.cpp

@@ -17,30 +17,24 @@
 
 void GERBVIEW_FRAME::ReCreateHToolbar( void )
 {
-    int           layer = 0;
-    GERBER_IMAGE* gerber = NULL;
     int           ii;
     wxString      msg;
 
     if( m_HToolBar != NULL )
         return;
 
-    if( GetScreen() )
-    {
-        layer = getActiveLayer();
-        gerber = g_GERBER_List[layer];
-    }
-
     m_HToolBar = new EDA_TOOLBAR( TOOLBAR_MAIN, this, ID_H_TOOLBAR, TRUE );
 
     // Set up toolbar
-    m_HToolBar->AddTool( ID_GERBVIEW_ERASE_ALL, wxEmptyString, wxBitmap( gerbview_clear_layers_xpm ),
+    m_HToolBar->AddTool( ID_GERBVIEW_ERASE_ALL, wxEmptyString,
+                         wxBitmap( gerbview_clear_layers_xpm ),
                          _( "Erase all layers" ) );
 
     m_HToolBar->AddTool( wxID_FILE, wxEmptyString, wxBitmap( gerber_file_xpm ),
                          _( "Load a new Gerber file on the current layer. Previous data will be deleted" ) );
 
-    m_HToolBar->AddTool( ID_GERBVIEW_LOAD_DRILL_FILE, wxEmptyString, wxBitmap( gerbview_drill_file_xpm ),
+    m_HToolBar->AddTool( ID_GERBVIEW_LOAD_DRILL_FILE, wxEmptyString,
+                         wxBitmap( gerbview_drill_file_xpm ),
                          _( "Load an excellon drill file on the current layer. Previous data will be deleted" ) );
 
     m_HToolBar->AddSeparator();
@@ -63,9 +57,10 @@ void GERBVIEW_FRAME::ReCreateHToolbar( void )
     m_HToolBar->AddSeparator();
 
     wxArrayString choices;
+
     for( ii = 0; ii < 32; ii++ )
     {
-        msg.Printf( _( "Layer %d" ), ii + 1);
+        msg.Printf( _( "Layer %d" ), ii + 1 );
         choices.Add( msg );
     }
 
@@ -85,8 +80,7 @@ void GERBVIEW_FRAME::ReCreateHToolbar( void )
         m_DCodesList.Add( msg );
     }
 
-    m_DCodeSelector = new DCODE_SELECTION_BOX(
-                m_HToolBar, ID_TOOLBARH_GERBER_SELECT_ACTIVE_DCODE,
+    m_DCodeSelector = new DCODE_SELECTION_BOX( m_HToolBar, ID_TOOLBARH_GERBER_SELECT_ACTIVE_DCODE,
                                                wxDefaultPosition, wxSize( 150, -1 ),
                                                m_DCodesList );
     m_HToolBar->AddControl( m_DCodeSelector );

kicad/tree_project_frame.cpp

@@ -216,13 +216,11 @@ void TREE_PROJECT_FRAME::OnDragStart( wxTreeEvent& event )
 
     m_TreeProject->SelectItem( curr_item );
     TREEPROJECT_ITEM* data = GetSelectedData();
+
     if( data->GetFileName() == m_Parent->m_ProjectFileName.GetFullPath() )
         return;
 
-    wxTreeItemId id = m_TreeProject->GetSelection();
-
-    wxImage      img =
-        m_TreeProject->GetImageList()->GetBitmap( data->GetType() - 1 ).ConvertToImage();
+    wxImage img = m_TreeProject->GetImageList()->GetBitmap( data->GetType() - 1 ).ConvertToImage();
     m_DragCursor = wxCursor( img );
     m_Parent->wxWindow::SetCursor( (wxCursor &)m_DragCursor );
     event.Allow();
@@ -235,7 +233,6 @@ void TREE_PROJECT_FRAME::OnDragEnd( wxTreeEvent& event )
 {
     m_Parent->SetCursor( wxNullCursor );
 
-    wxTreeItemId     moved = m_TreeProject->GetSelection();
     TREEPROJECT_ITEM* source_data = GetSelectedData();
     wxTreeItemId     dest = event.GetItem();
 

pcbnew/block.cpp

@@ -198,11 +198,8 @@ int PCB_EDIT_FRAME::ReturnBlockCommand( int aKey )
  */
 void PCB_EDIT_FRAME::HandleBlockPlace( wxDC* DC )
 {
-    bool err = false;
-
     if( !DrawPanel->IsMouseCaptured() )
     {
-        err = true;
         DisplayError( this, wxT( "Error in HandleBlockPLace : m_mouseCaptureCallback = NULL" ) );
     }
 
@@ -211,7 +208,6 @@ void PCB_EDIT_FRAME::HandleBlockPlace( wxDC* DC )
     switch( GetScreen()->m_BlockLocate.m_Command )
     {
     case BLOCK_IDLE:
-        err = true;
         break;
 
     case BLOCK_DRAG:                /* Drag */

pcbnew/block_module_editor.cpp

@@ -212,12 +212,10 @@ void WinEDA_ModuleEditFrame::HandleBlockPlace( wxDC* DC )
  *  - block copy & paste
  */
 {
-    bool    err = FALSE;
     MODULE* currentModule = GetBoard()->m_Modules;
 
     if( !DrawPanel->IsMouseCaptured() )
     {
-        err = TRUE;
         DisplayError( this, wxT( "HandleBlockPLace : m_mouseCaptureCallback = NULL" ) );
     }
 
@@ -226,7 +224,6 @@ void WinEDA_ModuleEditFrame::HandleBlockPlace( wxDC* DC )
     switch( GetScreen()->m_BlockLocate.m_Command )
     {
     case  BLOCK_IDLE:
-        err = TRUE;
         break;
 
     case BLOCK_DRAG:                /* Drag */

pcbnew/class_drawsegment.cpp

@@ -356,7 +356,6 @@ void DRAWSEGMENT::Draw( EDA_DRAW_PANEL* panel, wxDC* DC, int draw_mode, const wx
 // see pcbstruct.h
 void DRAWSEGMENT::DisplayInfo( EDA_DRAW_FRAME* frame )
 {
-    int      itype;
     wxString msg;
     wxString coords;
 
@@ -365,8 +364,6 @@ void DRAWSEGMENT::DisplayInfo( EDA_DRAW_FRAME* frame )
 
     frame->ClearMsgPanel();
 
-    itype = m_Type & 0x0F;
-
     msg = wxT( "DRAWING" );
 
     frame->AppendMsgPanel( _( "Type" ), msg, DARKCYAN );

pcbnew/class_edge_mod.cpp

@@ -151,7 +151,6 @@ void EDGE_MODULE::Draw( EDA_DRAW_PANEL* panel, wxDC* DC, int draw_mode, const wx
     int             ux0, uy0, dx, dy, rayon, StAngle, EndAngle;
     int             color, type_trace;
     int             typeaff;
-    PCB_SCREEN*     screen;
     PCB_BASE_FRAME* frame;
     MODULE* module = (MODULE*) m_Parent;
 
@@ -166,8 +165,6 @@ void EDGE_MODULE::Draw( EDA_DRAW_PANEL* panel, wxDC* DC, int draw_mode, const wx
 
     frame = (PCB_BASE_FRAME*) panel->GetParent();
 
-    screen = frame->GetScreen();
-
     type_trace = m_Shape;
 
     ux0 = m_Start.x - offset.x;

pcbnew/class_pad_draw_functions.cpp

@@ -50,10 +50,13 @@ void D_PAD::Draw( EDA_DRAW_PANEL* aPanel, wxDC* aDC, int aDraw_mode, const wxPoi
 {
     int    color = 0;
     wxSize mask_margin;   // margin (clearance) used for some non copper layers
+
+#ifdef SHOW_PADMASK_REAL_SIZE_AND_COLOR
     int    showActualMaskSize = 0;  /* == layer number if the actual pad size on mask layer can be displayed
                                      * i.e. if only one layer is shown for this pad
                                      * and this layer is a mask (solder mask or sloder paste
                                      */
+#endif
 
     if( m_Flags & DO_NOT_DRAW )
         return;
@@ -142,12 +145,16 @@ void D_PAD::Draw( EDA_DRAW_PANEL* aPanel, wxDC* aDC, int aDraw_mode, const wxPoi
 
         case SOLDERPASTE_LAYER_BACK:
             color = brd->GetLayerColor( SOLDERPASTE_N_BACK );
+#ifdef SHOW_PADMASK_REAL_SIZE_AND_COLOR
             showActualMaskSize = SOLDERPASTE_N_BACK;
+#endif
             break;
 
         case SOLDERPASTE_LAYER_FRONT:
             color = brd->GetLayerColor( SOLDERPASTE_N_FRONT );
+#ifdef SHOW_PADMASK_REAL_SIZE_AND_COLOR
             showActualMaskSize = SOLDERPASTE_N_FRONT;
+#endif
             break;
 
         case SILKSCREEN_LAYER_BACK:
@@ -160,12 +167,16 @@ void D_PAD::Draw( EDA_DRAW_PANEL* aPanel, wxDC* aDC, int aDraw_mode, const wxPoi
 
         case SOLDERMASK_LAYER_BACK:
             color = brd->GetLayerColor( SOLDERMASK_N_BACK );
+#ifdef SHOW_PADMASK_REAL_SIZE_AND_COLOR
             showActualMaskSize = SOLDERMASK_N_BACK;
+#endif
             break;
 
         case SOLDERMASK_LAYER_FRONT:
             color = brd->GetLayerColor( SOLDERMASK_N_FRONT );
+#ifdef SHOW_PADMASK_REAL_SIZE_AND_COLOR
             showActualMaskSize = SOLDERMASK_N_FRONT;
+#endif
             break;
 
         case DRAW_LAYER:

pcbnew/class_text_mod.cpp

@@ -337,7 +337,6 @@ void TEXTE_MODULE::Draw( EDA_DRAW_PANEL* panel, wxDC* DC, int draw_mode, const w
     int             width, color, orient;
     wxSize          size;
     wxPoint         pos;      // Center of text
-    PCB_SCREEN*     screen;
     PCB_BASE_FRAME* frame;
     MODULE*         Module = (MODULE*) m_Parent;   /* parent must *not* be null
                                                     *  (a module text without a footprint
@@ -347,7 +346,6 @@ void TEXTE_MODULE::Draw( EDA_DRAW_PANEL* panel, wxDC* DC, int draw_mode, const w
     if( panel == NULL )
         return;
 
-    screen = (PCB_SCREEN*) panel->GetScreen();
     frame  = (PCB_BASE_FRAME*) panel->GetParent();
 
     pos.x = m_Pos.x - offset.x;

pcbnew/class_zone.cpp

@@ -238,7 +238,6 @@ int ZONE_CONTAINER::ReadDescr( LINE_READER* aReader )
     char* Line, * text;
     char  netname_buffer[1024];
     int   ret;
-    int   n_corner_item = 0;
     int   outline_hatch = CPolyLine::NO_HATCH;
     bool  error = false, has_corner = false;
 
@@ -307,8 +306,6 @@ int ZONE_CONTAINER::ReadDescr( LINE_READER* aReader )
                 error = true;
             else
             {
-                n_corner_item = x;
-
                 switch( hopt[0] )
                 {
                 case 'n':

pcbnew/connect.cpp

@@ -577,8 +577,7 @@ void PCB_BASE_FRAME::RecalculateAllTracksNetcode()
 {
     TRACK*              pt_piste;
     TRACK*              pt_next;
-    int                 a_color;
-    char                new_passe_request = 1, flag;
+    char                new_passe_request = 1;
 
     std::vector<D_PAD*> sortedPads;
     BOARD_ITEM*         PtStruct;
@@ -621,7 +620,6 @@ void PCB_BASE_FRAME::RecalculateAllTracksNetcode()
     pt_piste = m_Pcb->m_Track;
     for( ; pt_piste != NULL; pt_piste = pt_piste->Next() )
     {
-        flag = 0;
         masque_layer = g_TabOneLayerMask[pt_piste->GetLayer()];
 
         /* Search for a pad on the segment starting point */
@@ -676,8 +674,6 @@ void PCB_BASE_FRAME::RecalculateAllTracksNetcode()
     /* Propagate net codes from a segment to an other segment */
     /**********************************************************/
 
-    a_color = YELLOW;
-
     while( new_passe_request )
     {
         bool reset_flag = FALSE;

pcbnew/editedge.cpp

@@ -198,22 +198,18 @@ static void Abort_EditEdge( EDA_DRAW_PANEL* Panel, wxDC* DC )
 
 /* Initialize the drawing of a segment of type other than trace.
  */
-DRAWSEGMENT* PCB_EDIT_FRAME::Begin_DrawSegment( DRAWSEGMENT* Segment,
-                                                 int shape, wxDC* DC )
+DRAWSEGMENT* PCB_EDIT_FRAME::Begin_DrawSegment( DRAWSEGMENT* Segment, int shape, wxDC* DC )
 {
     int          s_large;
-    int          angle = 0;
     DRAWSEGMENT* DrawItem;
 
     s_large = GetBoard()->GetBoardDesignSettings()->m_DrawSegmentWidth;
+
     if( getActiveLayer() == EDGE_N )
     {
         s_large = GetBoard()->GetBoardDesignSettings()->m_EdgeSegmentWidth;
     }
 
-    if( shape == S_ARC )
-        angle = 900;
-
     if( Segment == NULL )        /* Create new trace. */
     {
         SetCurItem( Segment = new DRAWSEGMENT( GetBoard() ) );
@@ -262,6 +258,7 @@ DRAWSEGMENT* PCB_EDIT_FRAME::Begin_DrawSegment( DRAWSEGMENT* Segment,
             }
         }
     }
+
     return Segment;
 }
 

pcbnew/graphpcb.cpp

@@ -298,12 +298,11 @@ void TraceSegmentPcb( BOARD* Pcb,
                       int    marge,
                       int    op_logique )
 {
-    int demi_pas, demi_largeur;
+    int demi_largeur;
     int ux0, uy0, ux1, uy1;
 
-
-    demi_pas     = Board.m_GridRouting / 2;
     demi_largeur = ( pt_segm->m_Width / 2 ) + marge;
+
     /* Calculate the bounding rectangle of the segment (if H, V or Via) */
     ux0 = pt_segm->m_Start.x - Pcb->m_BoundaryBox.m_Pos.x;
     uy0 = pt_segm->m_Start.y - Pcb->m_BoundaryBox.m_Pos.y;

pcbnew/locate.cpp

@@ -177,7 +177,6 @@ MODULE* Locate_Prefered_Module( BOARD* aPcb, const wxPoint& aPosition, int aActi
                                 bool aVisibleOnly, bool aIgnoreLocked )
 {
     MODULE* pt_module;
-    int     lx, ly;
     MODULE* module      = NULL;
     MODULE* Altmodule   = NULL;
     int     min_dim     = 0x7FFFFFFF;
@@ -220,8 +219,6 @@ MODULE* Locate_Prefered_Module( BOARD* aPcb, const wxPoint& aPosition, int aActi
 
         //off x & offy point to the middle of the box.
         int dist = abs( aPosition.x - offx ) + abs( aPosition.y - offy );
-        lx = pt_module->m_BoundaryBox.GetWidth();
-        ly = pt_module->m_BoundaryBox.GetHeight();
 
         //int dist = MIN(lx, ly);  // to pick the smallest module (kinda
         // screwy with same-sized modules -- this is bad!)

pcbnew/modedit_onclick.cpp

@@ -392,7 +392,6 @@ bool WinEDA_ModuleEditFrame::OnRightClick( const wxPoint& MousePos, wxMenu* PopM
 void WinEDA_ModuleEditFrame::OnLeftDClick( wxDC* DC, const wxPoint& MousePos )
 {
     BOARD_ITEM* item = GetCurItem();
-    wxPoint     pos = GetPosition();
 
     switch( GetToolId() )
     {

pcbnew/move-drag_pads.cpp

@@ -102,13 +102,9 @@ static void Show_Pad_Move( EDA_DRAW_PANEL* aPanel, wxDC* aDC, const wxPoint& aPo
  */
 void PCB_BASE_FRAME::Export_Pad_Settings( D_PAD* pt_pad )
 {
-    MODULE* Module;
-
     if( pt_pad == NULL )
         return;
 
-    Module = (MODULE*) pt_pad->GetParent();
-
     pt_pad->DisplayInfo( this );
 
     g_Pad_Master.m_PadShape     = pt_pad->m_PadShape;
@@ -270,13 +266,9 @@ void PCB_BASE_FRAME::DeletePad( D_PAD* aPad, bool aQuery )
 /* Function to initialize the "move pad" command */
 void PCB_BASE_FRAME::StartMovePad( D_PAD* Pad, wxDC* DC )
 {
-    MODULE* Module;
-
     if( Pad == NULL )
         return;
 
-    Module = (MODULE*) Pad->GetParent();
-
     s_CurrentSelectedPad = Pad;
     Pad_OldPos = Pad->m_Pos;
     Pad->DisplayInfo( this );
@@ -316,8 +308,6 @@ void PCB_BASE_FRAME::PlacePad( D_PAD* Pad, wxDC* DC )
         Track = g_DragSegmentList[ii].m_Segm;
 
         // Set the old state
-        wxPoint t_start = Track->m_Start;
-        wxPoint t_end   = Track->m_End;
         if( g_DragSegmentList[ii].m_Pad_Start )
             Track->m_Start = Pad_OldPos;
         if( g_DragSegmentList[ii].m_Pad_End )
@@ -331,6 +321,7 @@ void PCB_BASE_FRAME::PlacePad( D_PAD* Pad, wxDC* DC )
     wxPoint pad_curr_position = Pad->m_Pos;
 
     Pad->m_Pos = Pad_OldPos;
+
     if( g_DragSegmentList.size() == 0 )
         SaveCopyInUndoList( Module, UR_CHANGED );
     else
@@ -355,6 +346,7 @@ void PCB_BASE_FRAME::PlacePad( D_PAD* Pad, wxDC* DC )
             Track->m_End = Pad->m_Pos;
 
         Track->SetState( IN_EDIT, OFF );
+
         if( DC )
             Track->Draw( DrawPanel, DC, GR_OR );
     }

pcbnew/netlist.cpp

@@ -904,16 +904,14 @@ int NETLIST_READER::BuildComponentsListFromNetlist( const wxString& aNetlistFile
 
         if( state == 2 )
         {
-            bool error = false;
             // skip TimeStamp:
-            if( strtok( Line, " ()\t\n" ) == NULL )
-                error = true;
+            strtok( Line, " ()\t\n" );
+
             // skip footprint name:
-            if( ( strtok( NULL, " ()\t\n" ) ) == NULL )
-                error = true;
+            strtok( NULL, " ()\t\n" );
+
             // Load the reference of the component:
-            if( ( text = strtok( NULL, " ()\t\n" ) ) == NULL )
-                error = true;
+            text = strtok( NULL, " ()\t\n" );
             component_count++;
             aBufName.Add( FROM_UTF8( text ) );
             continue;

pcbnew/pcbframe.cpp

@@ -554,8 +554,6 @@ void PCB_EDIT_FRAME::SaveSettings()
 
     PCB_BASE_FRAME::SaveSettings();
 
-    wxRealPoint GridSize = GetScreen()->GetGridSize();
-
     config->Write( OPTKEY_DEFAULT_LINEWIDTH_VALUE, g_DrawDefaultLineThickness );
     long tmp = GetBoard()->IsElementVisible(RATSNEST_VISIBLE);
     config->Write( PCB_SHOW_FULL_RATSNET_OPT, tmp );

pcbnew/solve.cpp

@@ -375,7 +375,7 @@ static int Autoroute_One_Track( PCB_EDIT_FRAME* pcbframe,
     long         curcell, newcell, buddy, lastopen, lastclos, lastmove;
     int          newdist, olddir, _self;
     int          current_net_code;
-    int          marge, via_marge;
+    int          marge;
     int          pad_masque_layer_s;    /* Mask layers belonging to the
                                          *starting pad. */
     int          pad_masque_layer_e;    /* Mask layers belonging to the ending
@@ -396,7 +396,6 @@ static int Autoroute_One_Track( PCB_EDIT_FRAME* pcbframe,
 
     marge = s_Clearance +
             ( pcbframe->GetBoard()->GetCurrentTrackWidth() / 2 );
-    via_marge = s_Clearance + ( pcbframe->GetBoard()->GetCurrentViaSize() / 2 );
 
     /* clear direction flags */
     i = Nrows * Ncols * sizeof(DIR_CELL);

pcbnew/tracepcb.cpp

@@ -260,10 +260,8 @@ void Trace_Pads_Only( EDA_DRAW_PANEL* panel, wxDC* DC, MODULE* Module,
                       int ox, int oy, int MasqueLayer, int draw_mode )
 {
     int             tmp;
-    PCB_SCREEN*     screen;
     PCB_BASE_FRAME* frame;
 
-    screen = (PCB_SCREEN*) panel->GetScreen();
     frame  = (PCB_BASE_FRAME*) panel->GetParent();
 
     tmp = frame->m_DisplayPadFill;