Fix some coverity and cppcheck warnings (most are very minor issues: not...

Fix some coverity and cppcheck warnings (most are very minor issues: not initialized members and initialized but not used variables)

common/build_version.cpp

@@ -30,7 +30,7 @@
 #endif
 
 #ifndef KICAD_BUILD_VERSION
-#   define KICAD_BUILD_VERSION "(after 2015-jan-16 BZR unknown)"
+#   define KICAD_BUILD_VERSION "(after 2015-mar-04 BZR unknown)"
 #endif
 
 /**

eeschema/lib_bezier.cpp

@@ -90,9 +90,9 @@ bool LIB_BEZIER::Load( LINE_READER& aLineReader, wxString& aErrorMsg )
         return false;
     }
 
-    p = strtok( line + 2, " \t\n" );
-    p = strtok( NULL, " \t\n" );
-    p = strtok( NULL, " \t\n" );
+    strtok( line + 2, " \t\n" );     // Skip field
+    strtok( NULL, " \t\n" );         // Skip field
+    strtok( NULL, " \t\n" );         // Skip field
     p = strtok( NULL, " \t\n" );
 
     for( i = 0; i < ccount; i++ )

eeschema/lib_polyline.cpp

@@ -95,9 +95,9 @@ bool LIB_POLYLINE::Load( LINE_READER& aLineReader, wxString& aErrorMsg )
         return false;
     }
 
-    p = strtok( line + 2, " \t\n" );
-    p = strtok( NULL, " \t\n" );
-    p = strtok( NULL, " \t\n" );
+    strtok( line + 2, " \t\n" );     // Skip field
+    strtok( NULL, " \t\n" );         // Skip field
+    strtok( NULL, " \t\n" );         // Skip field
     p = strtok( NULL, " \t\n" );
 
     for( i = 0; i < ccount; i++ )

pagelayout_editor/page_layout_writer.cpp

@@ -58,7 +58,7 @@ class WORKSHEET_LAYOUT_IO
 protected:
     OUTPUTFORMATTER* m_out;
 
-    WORKSHEET_LAYOUT_IO() {}
+    WORKSHEET_LAYOUT_IO() { m_out = NULL; }
     virtual ~WORKSHEET_LAYOUT_IO() {}
 
 public:

pcb_calculator/attenuators/attenuator_classes.cpp

@@ -37,6 +37,12 @@ ATTENUATOR::ATTENUATOR( ATTENUATORS_TYPE aTopology )
     m_MinimumATT    = 0.0;          // dB
     m_SchBitMap     = NULL;
     m_FormulaBitMap = NULL;
+
+    // Initialize these variables mainly to avoid warnings from a static analyzer
+    m_R1 = 0.0;
+    m_R2 = 0.0;
+    m_R3 = 0.0;
+    Lmin = L = A = 0.0;     // internal variable for temporary use
 }
 
 

pcb_calculator/transline/c_microstrip.cpp

@@ -40,6 +40,14 @@ C_MICROSTRIP::C_MICROSTRIP() : TRANSLINE()
 {
     m_name = "Coupled_MicroStrip";
     aux_ms = NULL;
+
+    // Initialize these variables mainly to avoid warnings from a static analyzer
+    er_eff = 0.0;               // dummy
+    w_eff = 0.0;                // Effective width of line
+    atten_dielectric_e = 0.0;   // even-mode dielectric losses (dB)
+    atten_cond_e = 0.0;         // even-mode conductors losses (dB)
+    atten_dielectric_o = 0.0;   // odd-mode conductors losses (dB)
+    atten_cond_o = 0.0;         // odd-mode conductors losses (dB)
 }
 
 

pcb_calculator/transline/coax.cpp

@@ -41,6 +41,13 @@
 COAX::COAX() : TRANSLINE()
 {
     m_name = "Coax";
+
+    // Initialize these variables mainly to avoid warnings from a static analyzer
+    Z0 = 0.0;               // characteristic impedance
+    ang_l = 0.0;            // Electrical length in angle
+    atten_dielectric = 0.0; // Loss in dielectric (dB)
+    atten_cond = 0.0;       // Loss in conductors (dB)
+    fc = 0.0;               // Cutoff frequency for higher order modes
 }
 
 

pcb_calculator/transline/coplanar.cpp

@@ -36,6 +36,13 @@ COPLANAR::COPLANAR() : TRANSLINE()
 {
     m_name = "CoPlanar";
     backMetal = false;
+
+    // Initialize these variables mainly to avoid warnings from a static analyzer
+    Z0 = 0.0;               // characteristic impedance
+    ang_l = 0.0;            // Electrical length in angle
+    atten_dielectric = 0.0; // Loss in dielectric (dB)
+    atten_cond = 0.0;       // Loss in conductors (dB)
+    er_eff = 1.0;           // Effective dielectric constant
 }
 
 

pcb_calculator/transline/microstrip.cpp

@@ -41,6 +41,13 @@
 MICROSTRIP::MICROSTRIP() : TRANSLINE()
 {
     m_name = "MicroStrip";
+
+    // Initialize these variables mainly to avoid warnings from a static analyzer
+    mur_eff = 0.0;          // Effective mag. permeability
+    w_eff = 0.0;            // Effective width of line
+    atten_dielectric = 0.0; // Loss in dielectric (dB)
+    atten_cond = 0.0;       // Loss in conductors (dB)
+    Z0_h_1 = 0.0;           // homogeneous stripline impedance
 }
 
 

pcb_calculator/transline/rectwaveguide.cpp

@@ -32,6 +32,13 @@
 RECTWAVEGUIDE::RECTWAVEGUIDE() : TRANSLINE()
 {
     m_name = "RectWaveGuide";
+
+    // Initialize these here variables mainly to avoid warnings from a static analyzer
+    er_eff = 0.0;               // Effective dielectric constant
+    mur_eff = 0.0;              // Effective mag. permeability
+    atten_dielectric = 0.0;     // Loss in dielectric (dB)
+    atten_cond = 0.0;           // Loss in conductors (dB)
+    fc10 = 0.0;                 // Cutoff frequency for TE10 mode
 }
 
 

pcb_calculator/transline/stripline.cpp

@@ -34,6 +34,13 @@
 STRIPLINE::STRIPLINE() : TRANSLINE()
 {
     m_name = "StripLine";
+
+    // Initialize these variables mainly to avoid warnings from a static analyzer
+    Z0 = 0.0;               // characteristic impedance
+    ang_l = 0.0;            // Electrical length in angle
+    er_eff = 0.0;           // effective dielectric constant
+    atten_dielectric = 0.0; // Loss in dielectric (dB)
+    atten_cond = 0.0;       // Loss in conductors (dB)
 }
 
 

pcb_calculator/transline/transline.cpp

@@ -62,6 +62,13 @@ TRANSLINE::TRANSLINE()
 {
     murC = 1.0;
     m_name = (const char*) 0;
+
+    // Initialize these variables mainly to avoid warnings from a static analyzer
+    f = 0.0;            // Frequency of operation
+    er = 0.0;           // dielectric constant
+    tand = 0.0;         // Dielectric Loss Tangent
+    sigma = 0.0;        // Conductivity of the metal
+    skindepth = 0.0;    // Skin depth
 }
 
 

pcb_calculator/transline/twistedpair.cpp

@@ -34,6 +34,13 @@
 TWISTEDPAIR::TWISTEDPAIR() : TRANSLINE()
 {
     m_name = "TwistedPair";
+
+    // Initialize these variables mainly to avoid warnings from a static analyzer
+    Z0 = 0.0;               // characteristic impedance
+    ang_l = 0.0;            // Electrical length in angle
+    atten_dielectric = 0.0; // Loss in dielectric (dB)
+    atten_cond = 0.0;       // Loss in conductors (dB)
+    er_eff = 1.0;           // Effective dielectric constant
 }
 
 

pcb_calculator/transline_ident.cpp

@@ -72,7 +72,8 @@ TRANSLINE_PRM::TRANSLINE_PRM( PRM_TYPE aType, PRMS_ID aId,
     m_ValueCtrl     = NULL;
     m_UnitCtrl      = NULL;
     m_UnitSelection = 0;
-}
+    m_NormalizedValue = 0;
+ }
 
 
 #define TRANSLINE_PRM_KEY wxT( "translineprm%d" )

pcbnew/autorouter/auto_place_footprints.cpp

@@ -690,7 +690,10 @@ int getOptimalModulePlacement( PCB_EDIT_FRAME* aFrame, MODULE* aModule, wxDC* aD
         if( aFrame->GetCanvas()->GetAbortRequest() )
         {
             if( IsOK( aFrame, _( "OK to abort?" ) ) )
+            {
+                displ_opts->m_Show_Module_Ratsnest = showRats;
                 return ESC;
+            }
             else
                 aFrame->GetCanvas()->SetAbortRequest( false );
         }