8 files changed, 9 insertions, 9 deletions
diff --git a/src/glu/sgi/libnurbs/internals/backend.cc b/src/glu/sgi/libnurbs/internals/backend.cc
index 69c46b2d52a..88dc3f51680 100644
--- a/src/glu/sgi/libnurbs/internals/backend.cc
+++ b/src/glu/sgi/libnurbs/internals/backend.cc
@@ -244,7 +244,7 @@ Backend::evalVStrip(int n_left, REAL u_left, REAL* left_val,
  *-------------------------------------------------------------------------
  */
 void
-Backend::bgntmesh( char * )		
+Backend::bgntmesh( const char * )		
 {
 #ifndef NOWIREFRAME
 
diff --git a/src/glu/sgi/libnurbs/internals/backend.h b/src/glu/sgi/libnurbs/internals/backend.h
index fb03859f277..f7127e77463 100644
--- a/src/glu/sgi/libnurbs/internals/backend.h
+++ b/src/glu/sgi/libnurbs/internals/backend.h
@@ -63,7 +63,7 @@ public:
     void		surfbbox( long, REAL *, REAL * );
     void		surfgrid( REAL, REAL, long, REAL, REAL, long ); 
     void		surfmesh( long, long, long, long ); 
-    void		bgntmesh( char * );
+    void		bgntmesh( const char * );
     void		endtmesh( void );
     void		swaptmesh( void );
     void		tmeshvert( GridTrimVertex * );
diff --git a/src/glu/sgi/libnurbs/internals/bufpool.cc b/src/glu/sgi/libnurbs/internals/bufpool.cc
index f60f7dc7b17..8cc847ab225 100644
--- a/src/glu/sgi/libnurbs/internals/bufpool.cc
+++ b/src/glu/sgi/libnurbs/internals/bufpool.cc
@@ -46,7 +46,7 @@
  * Pool - allocate a new pool of buffers
  *-----------------------------------------------------------------------------
  */
-Pool::Pool( int _buffersize, int initpoolsize, char *n )
+Pool::Pool( int _buffersize, int initpoolsize, const char *n )
 {
     if((unsigned)_buffersize < sizeof(Buffer))
         buffersize = sizeof(Buffer);
diff --git a/src/glu/sgi/libnurbs/internals/bufpool.h b/src/glu/sgi/libnurbs/internals/bufpool.h
index 8eaafc4fd03..5dd12d4ff25 100644
--- a/src/glu/sgi/libnurbs/internals/bufpool.h
+++ b/src/glu/sgi/libnurbs/internals/bufpool.h
@@ -53,7 +53,7 @@ class Buffer {
 
 class Pool {
 public:
-			Pool( int, int, char * );
+			Pool( int, int, const char * );
 			~Pool( void );
     inline void*	new_buffer( void );
     inline void		free_buffer( void * );
@@ -72,7 +72,7 @@ protected:
     int			nextfree;		/* byte offset past next free buffer */
     int			initsize;
     enum Magic { is_allocated = 0xf3a1, is_free = 0xf1a2 };
-    char		*name;			/* name of the pool */
+    const char		*name;			/* name of the pool */
     Magic		magic;			/* marker for valid pool */
 };
 
diff --git a/src/glu/sgi/libnurbs/internals/knotvector.cc b/src/glu/sgi/libnurbs/internals/knotvector.cc
index 610046674cd..9eb5cbace94 100644
--- a/src/glu/sgi/libnurbs/internals/knotvector.cc
+++ b/src/glu/sgi/libnurbs/internals/knotvector.cc
@@ -126,7 +126,7 @@ int Knotvector::validate( void )
     return 0;
 }
 
-void Knotvector::show( char *msg )
+void Knotvector::show( const char *msg )
 {
 #ifndef NDEBUG
     _glu_dprintf( "%s\n", msg );
diff --git a/src/glu/sgi/libnurbs/internals/knotvector.h b/src/glu/sgi/libnurbs/internals/knotvector.h
index 508fc4f3450..3f1d43c90c6 100644
--- a/src/glu/sgi/libnurbs/internals/knotvector.h
+++ b/src/glu/sgi/libnurbs/internals/knotvector.h
@@ -47,7 +47,7 @@ struct Knotvector { /* a knot vector */
 			~Knotvector( void );
     void		init( long, long, long, INREAL * );
     int			validate( void );
-    void 		show( char * );
+    void 		show( const char * );
 
     long		order;		/* order of spline  */
     long		knotcount;	/* number of knots  */
diff --git a/src/glu/sgi/libnurbs/internals/nurbstess.cc b/src/glu/sgi/libnurbs/internals/nurbstess.cc
index a5bd060fb0e..68dfd95f394 100644
--- a/src/glu/sgi/libnurbs/internals/nurbstess.cc
+++ b/src/glu/sgi/libnurbs/internals/nurbstess.cc
@@ -675,7 +675,7 @@ NurbsTessellator::do_nurbserror( int msg )
 }
 
 int 
-NurbsTessellator::do_check_knots( Knotvector *knots, char *msg )
+NurbsTessellator::do_check_knots( Knotvector *knots, const char *msg )
 {
     int status = knots->validate();
     if( status ) {
diff --git a/src/glu/sgi/libnurbs/internals/nurbstess.h b/src/glu/sgi/libnurbs/internals/nurbstess.h
index 3577088a9c2..0e81facc0f3 100644
--- a/src/glu/sgi/libnurbs/internals/nurbstess.h
+++ b/src/glu/sgi/libnurbs/internals/nurbstess.h
@@ -112,7 +112,7 @@ protected:
 private:
 
     void		resetObjects( void );
-    int			do_check_knots( Knotvector *, char * );
+    int			do_check_knots( Knotvector *, const char * );
     void		do_nurbserror( int );
     void		do_bgncurve( O_curve * );
     void		do_endcurve( void );