6 files changed, 32 insertions, 16 deletions
diff --git a/src/glu/sgi/libnurbs/nurbtess/directedLine.cc b/src/glu/sgi/libnurbs/nurbtess/directedLine.cc
index 74450352d8..d942db7287 100644
--- a/src/glu/sgi/libnurbs/nurbtess/directedLine.cc
+++ b/src/glu/sgi/libnurbs/nurbtess/directedLine.cc
@@ -309,6 +309,8 @@ directedLine::directedLine()
   nextPolygon = NULL;
   rootBit = 0;/*important to initilzae to 0 meaning not root yet*/
   rootLink = NULL;
+  direction = INCREASING;
+  sline = NULL;
 }
 
 directedLine::~directedLine()
@@ -791,22 +793,30 @@ directedLine* readAllPolygons(char* filename)
 {
   Int i,j;
   FILE* fp = fopen(filename, "r");
-  assert(fp);
   Int nPolygons;
-  fscanf(fp, "%i", &nPolygons);
+  int result;
+
+  assert(fp);
+  result = fscanf(fp, "%i", &nPolygons);
+  assert(result != EOF);
   directedLine *ret = NULL;
 
   for(i=0; i<nPolygons; i++)
     {
       Int nEdges;
-      fscanf(fp, "%i", &nEdges);
-      Real vert[2][2];
+      result = fscanf(fp, "%i", &nEdges);
+      assert(result != EOF);
+      Real vert[2][2] = { { 0 } };
       Real VV[2][2];
       /*the first two vertices*/
-      fscanf(fp, "%f", &(vert[0][0]));
-      fscanf(fp, "%f", &(vert[0][1]));
-      fscanf(fp, "%f", &(vert[1][0]));
-      fscanf(fp, "%f", &(vert[1][1]));
+      result = fscanf(fp, "%f", &(vert[0][0]));
+      assert(result != EOF);
+      result = fscanf(fp, "%f", &(vert[0][1]));
+      assert(result != EOF);
+      result = fscanf(fp, "%f", &(vert[1][0]));
+      assert(result != EOF);
+      result = fscanf(fp, "%f", &(vert[1][1]));
+      assert(result != EOF);
       VV[1][0] = vert[0][0];
       VV[1][1] = vert[0][1];
       sampledLine *sLine = new sampledLine(2, vert);
@@ -818,8 +828,10 @@ thisPoly->rootLinkSet(NULL);
 	{
 	  vert[0][0]=vert[1][0];
 	  vert[0][1]=vert[1][1];
-	  fscanf(fp, "%f", &(vert[1][0]));
-	  fscanf(fp, "%f", &(vert[1][1]));
+	  result = fscanf(fp, "%f", &(vert[1][0]));
+	  assert(result != EOF);
+	  result = fscanf(fp, "%f", &(vert[1][1]));
+	  assert(result != EOF);
 	  sLine = new sampledLine(2,vert);
 	  dLine = new directedLine(INCREASING, sLine);
 dLine->rootLinkSet(thisPoly);
diff --git a/src/glu/sgi/libnurbs/nurbtess/monoChain.cc b/src/glu/sgi/libnurbs/nurbtess/monoChain.cc
index 814bf32fae..b17b9405c1 100644
--- a/src/glu/sgi/libnurbs/nurbtess/monoChain.cc
+++ b/src/glu/sgi/libnurbs/nurbtess/monoChain.cc
@@ -127,6 +127,7 @@ monoChain::monoChain(directedLine* cHead, directedLine* cTail)
     current = chainTail;
 
   isKey = 0;
+  keyY = 0;
 }
 
 //insert a new line between prev and this
diff --git a/src/glu/sgi/libnurbs/nurbtess/partitionY.cc b/src/glu/sgi/libnurbs/nurbtess/partitionY.cc
index 297c629976..e097461ac5 100644
--- a/src/glu/sgi/libnurbs/nurbtess/partitionY.cc
+++ b/src/glu/sgi/libnurbs/nurbtess/partitionY.cc
@@ -111,8 +111,8 @@ Int isCusp(directedLine *v)
   else if(A[1] > B[1] && C[1] > B[1])
     return 1;
 
-  if(isAbove(v, v) && isAbove(v, v->getPrev()) ||
-     isBelow(v, v) && isBelow(v, v->getPrev()))
+  if((isAbove(v, v) && isAbove(v, v->getPrev())) ||
+     (isBelow(v, v) && isBelow(v, v->getPrev())))
     return 1;
   else
     return 0;
diff --git a/src/glu/sgi/libnurbs/nurbtess/sampleCompBot.cc b/src/glu/sgi/libnurbs/nurbtess/sampleCompBot.cc
index e12f88bab1..2e70f83936 100644
--- a/src/glu/sgi/libnurbs/nurbtess/sampleCompBot.cc
+++ b/src/glu/sgi/libnurbs/nurbtess/sampleCompBot.cc
@@ -207,7 +207,7 @@ void sampleBotRightWithGridLine(Real* botVertex,
     return;
   }
 
-  Int segIndexMono, segIndexPass;
+  Int segIndexMono = 0, segIndexPass;
   findBotRightSegment(rightChain,
 		      rightEnd,
 		      rightCorner,
@@ -293,7 +293,7 @@ void sampleBotLeftWithGridLine(Real* botVertex,
     return;
   }
 
-  Int segIndexPass, segIndexMono;
+  Int segIndexPass, segIndexMono = 0;
   findBotLeftSegment(leftChain, leftEnd, leftCorner, grid->get_u_value(leftU), segIndexMono, segIndexPass);
 
   sampleBotLeftWithGridLinePost(botVertex,
diff --git a/src/glu/sgi/libnurbs/nurbtess/sampleCompTop.cc b/src/glu/sgi/libnurbs/nurbtess/sampleCompTop.cc
index b7b929623a..951e937c45 100644
--- a/src/glu/sgi/libnurbs/nurbtess/sampleCompTop.cc
+++ b/src/glu/sgi/libnurbs/nurbtess/sampleCompTop.cc
@@ -172,7 +172,7 @@ void sampleTopRightWithGridLine(Real* topVertex,
     return;
   }
 
-  Int segIndexSmall, segIndexLarge;
+  Int segIndexSmall = 0, segIndexLarge;
   findTopRightSegment(rightChain,
                       rightStart,
                       rightEnd,
@@ -294,7 +294,7 @@ void sampleTopLeftWithGridLine(Real* topVertex,
                                 primStream* pStream
                                 )
 {
-  Int segIndexSmall, segIndexLarge;
+  Int segIndexSmall = 0, segIndexLarge;
   //if left chain is empty, then there is only one top vertex with one grid 
   //  line
   if(leftEnd < leftStart) {
diff --git a/src/glu/sgi/libnurbs/nurbtess/sampledLine.cc b/src/glu/sgi/libnurbs/nurbtess/sampledLine.cc
index 6253a7c09d..89f6c6e23f 100644
--- a/src/glu/sgi/libnurbs/nurbtess/sampledLine.cc
+++ b/src/glu/sgi/libnurbs/nurbtess/sampledLine.cc
@@ -107,6 +107,9 @@ sampledLine::sampledLine(Real pt1[2], Real pt2[2])
 //needs tp call init to setup
 sampledLine::sampledLine()
 {
+  npoints = 0;
+  points = NULL;
+  next = NULL;
 }
 
 //warning: ONLY pointer is copies!!!