From 93145387f49114274c5def3f8da6f7559a5e6744 Mon Sep 17 00:00:00 2001
From: Daniel Richard G <skunk@iSKUNK.ORG>
Date: Mon, 16 Sep 2013 16:22:14 -0400
Subject: [PATCH] Fixed uninitialized-memory errors detected by Valgrind

---
 groupmesh.cpp | 2 +-
 polygon.cpp   | 8 ++++++--
 toolbar.cpp   | 2 +-
 3 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/groupmesh.cpp b/groupmesh.cpp
index d89918b..444ac13 100644
--- a/groupmesh.cpp
+++ b/groupmesh.cpp
@@ -61,7 +61,7 @@ void Group::GenerateLoops(void) {
     if(type == DRAWING_3D || type == DRAWING_WORKPLANE || 
        type == ROTATE || type == TRANSLATE || type == IMPORTED)
     {
-        bool allClosed, allCoplanar, allNonZeroLen;
+        bool allClosed = false, allCoplanar = false, allNonZeroLen = false;
         AssembleLoops(&allClosed, &allCoplanar, &allNonZeroLen);
         if(!allCoplanar) {
             polyError.how = POLY_NOT_COPLANAR;
diff --git a/polygon.cpp b/polygon.cpp
index 841233a..3239a81 100644
--- a/polygon.cpp
+++ b/polygon.cpp
@@ -299,10 +299,14 @@ void SEdgeList::CullExtraneousEdges(void) {
 // that would naively be O(n).
 //-----------------------------------------------------------------------------
 SKdNodeEdges *SKdNodeEdges::Alloc(void) {
-    return (SKdNodeEdges *)AllocTemporary(sizeof(SKdNodeEdges));
+    SKdNodeEdges *ne = (SKdNodeEdges *)AllocTemporary(sizeof(SKdNodeEdges));
+    ZERO(ne);
+    return ne;
 }
 SEdgeLl *SEdgeLl::Alloc(void) {
-    return (SEdgeLl *)AllocTemporary(sizeof(SEdgeLl));
+    SEdgeLl *sell = (SEdgeLl *)AllocTemporary(sizeof(SEdgeLl));
+    ZERO(sell);
+    return sell;
 }
 SKdNodeEdges *SKdNodeEdges::From(SEdgeList *sel) {
     SEdgeLl *sell = NULL;
diff --git a/toolbar.cpp b/toolbar.cpp
index bd9529a..56e8c56 100644
--- a/toolbar.cpp
+++ b/toolbar.cpp
@@ -61,7 +61,7 @@ bool GraphicsWindow::ToolbarMouseMoved(int x, int y) {
     x += ((int)width/2);
     y += ((int)height/2);
    
-    int nh;
+    int nh = 0;
     bool withinToolbar = ToolbarDrawOrHitTest(x, y, false, &nh);
     if(!withinToolbar) nh = 0;