7 files changed, 24 insertions, 11 deletions
diff --git a/src/glu/sgi/libnurbs/internals/arcsorter.h b/src/glu/sgi/libnurbs/internals/arcsorter.h
index d72dd1e86c..a55df92677 100644
--- a/src/glu/sgi/libnurbs/internals/arcsorter.h
+++ b/src/glu/sgi/libnurbs/internals/arcsorter.h
@@ -37,7 +37,6 @@
 #define __gluarcsorter_h_
 
 #include "sorter.h"
-#include "arcsorter.h"
 
 class Arc;
 class Subdivider;
diff --git a/src/glu/sgi/libnurbs/internals/displaylist.h b/src/glu/sgi/libnurbs/internals/displaylist.h
index 22cbec3787..d009a42513 100644
--- a/src/glu/sgi/libnurbs/internals/displaylist.h
+++ b/src/glu/sgi/libnurbs/internals/displaylist.h
@@ -59,6 +59,7 @@ Dlnode::Dlnode( PFVS _work, void *_arg, PFVS _cleanup )
     work = _work;
     arg = _arg;
     cleanup = _cleanup;
+    next = 0;
 }
 
 class DisplayList {
diff --git a/src/glu/sgi/libnurbs/internals/gridvertex.h b/src/glu/sgi/libnurbs/internals/gridvertex.h
index 36a65c7bdd..2e27436ef8 100644
--- a/src/glu/sgi/libnurbs/internals/gridvertex.h
+++ b/src/glu/sgi/libnurbs/internals/gridvertex.h
@@ -38,7 +38,7 @@
 
 struct GridVertex {
     long 		gparam[2];
-			GridVertex( void ) {}
+			GridVertex( void ) { gparam[0] = 0, gparam[1] = 0; }
 			GridVertex( long u, long v ) { gparam[0] = u, gparam[1] = v; }
     void		set( long u, long v ) { gparam[0] = u, gparam[1] = v; }
     long		nextu() { return gparam[0]++; }
diff --git a/src/glu/sgi/libnurbs/internals/knotvector.cc b/src/glu/sgi/libnurbs/internals/knotvector.cc
index 9eb5cbace9..dcbf0067d8 100644
--- a/src/glu/sgi/libnurbs/internals/knotvector.cc
+++ b/src/glu/sgi/libnurbs/internals/knotvector.cc
@@ -61,6 +61,9 @@ void Knotvector::init( long _knotcount, long _stride, long _order, INREAL *_knot
 
 Knotvector::Knotvector( void )
 {
+    knotcount = 0;
+    stride = 0;
+    order = 0;
     knotlist = 0;
 }
 
diff --git a/src/glu/sgi/libnurbs/internals/reader.h b/src/glu/sgi/libnurbs/internals/reader.h
index 8a8dcebb50..cae6cada46 100644
--- a/src/glu/sgi/libnurbs/internals/reader.h
+++ b/src/glu/sgi/libnurbs/internals/reader.h
@@ -64,7 +64,7 @@ struct O_curve : public PooledObj {
     int			save;		/* 1 if in display list		*/
     long		nuid;
     			O_curve() { next = 0; used = 0; owner = 0; 
-				    curve.o_pwlcurve = 0; }
+				    curve.o_pwlcurve = 0; curvetype = ct_none; save = 0; nuid = 0; }
     };
 
 struct O_nurbscurve : public PooledObj {
@@ -77,7 +77,7 @@ struct O_nurbscurve : public PooledObj {
     int			save;		/* 1 if in display list		*/
     O_curve *		owner;		/* owning curve 		*/
 			O_nurbscurve( long _type ) 
-			   { type = _type; owner = 0; next = 0; used = 0; }
+			   { bezier_curves = 0; type = _type; tesselation = 0; method = 0; next = 0; used = 0; save = 0; owner = 0; }
     };
  
 class O_pwlcurve : public PooledObj {
@@ -95,7 +95,7 @@ struct O_trim : public PooledObj {
     O_curve		*o_curve;	/* closed trim loop	 	*/
     O_trim *		next;		/* next loop along trim 	*/
     int			save;		/* 1 if in display list		*/
-			O_trim() { next = 0; o_curve = 0; }
+			O_trim() { next = 0; o_curve = 0; save = 0; }
     };
 
 struct O_nurbssurface : public PooledObj {
@@ -106,7 +106,7 @@ struct O_nurbssurface : public PooledObj {
     int			save;		/* 1 if in display list		*/
     int			used;		/* 1 if prev called in block	*/
 			O_nurbssurface( long _type ) 
-			   { type = _type; owner = 0; next = 0; used = 0; }
+			   { bezier_patches = 0; type = _type; owner = 0; next = 0; save = 0; used = 0; }
     };
 
 struct O_surface : public PooledObj {
@@ -114,7 +114,7 @@ struct O_surface : public PooledObj {
     O_trim *		o_trim;		/* list of trim loops		*/
     int			save;		/* 1 if in display list		*/
     long		nuid;
-			O_surface() { o_trim = 0; o_nurbssurface = 0; }
+			O_surface() { o_trim = 0; o_nurbssurface = 0; save = 0; nuid = 0; }
     };
 
 struct Property : public PooledObj {
@@ -123,9 +123,9 @@ struct Property : public PooledObj {
     REAL		value;
     int			save;		/* 1 if in display list		*/
 			Property( long _type, long _tag, INREAL _value )
-			{ type = _type; tag = _tag; value = (REAL) _value; }
+			{ type = _type; tag = _tag; value = (REAL) _value; save = 0; }
 			Property( long _tag, INREAL _value )
-			{ type = 0; tag = _tag; value = (REAL) _value; }
+			{ type = 0; tag = _tag; value = (REAL) _value; save = 0; }
     };
 
 class NurbsTessellator;
diff --git a/src/glu/sgi/libnurbs/internals/subdivider.cc b/src/glu/sgi/libnurbs/internals/subdivider.cc
index cc0b514706..ccddc270ff 100644
--- a/src/glu/sgi/libnurbs/internals/subdivider.cc
+++ b/src/glu/sgi/libnurbs/internals/subdivider.cc
@@ -531,16 +531,18 @@ Subdivider::nonSamplingSplit(
 		     patchlist.pspec[param].range[1] ) * 0.5;
 	split( source, left, right, param, mid );
 	Patchlist subpatchlist( patchlist, param, mid );
-	if( left.isnonempty() )
+	if( left.isnonempty() ) {
 	    if( subpatchlist.cullCheck() == CULL_TRIVIAL_REJECT ) 
 		freejarcs( left );
 	    else
 	        nonSamplingSplit( left, subpatchlist, subdivisions-1, param );
-	if( right.isnonempty() ) 
+	}
+	if( right.isnonempty() ) {
 	    if( patchlist.cullCheck() == CULL_TRIVIAL_REJECT ) 
 		freejarcs( right );
 	    else
 	        nonSamplingSplit( right, patchlist, subdivisions-1, param );
+	}
 
     } else {
 	// make bbox calls
diff --git a/src/glu/sgi/libnurbs/internals/varray.cc b/src/glu/sgi/libnurbs/internals/varray.cc
index 31cc73a9d0..1cb235443a 100644
--- a/src/glu/sgi/libnurbs/internals/varray.cc
+++ b/src/glu/sgi/libnurbs/internals/varray.cc
@@ -53,8 +53,16 @@ inline long sgn( REAL x )
 
 Varray::Varray( void )
 {
+    int i;
+
     varray = 0;
     size = 0;
+    numquads = 0;
+
+    for (i = 0; i < 1000; i++) {
+        vval[i] = 0;
+        voffset[i] = 0;
+    }
 }
 
 Varray::~Varray( void )