From 9240a48960add8efbbd64c7088bc8d35a7810608 Mon Sep 17 00:00:00 2001
From: fayjf <fayjf@7f0cb862-5218-0410-a997-914c9d46530a>
Date: Wed, 22 Jun 2005 22:11:50 +0000
Subject: [PATCH] Fixing a bug in the Sierpinski sponge code that made the
 application crash if called with number of levels < 0

git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@637 7f0cb862-5218-0410-a997-914c9d46530a
---
 freeglut/freeglut/src/freeglut_geometry.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/freeglut/freeglut/src/freeglut_geometry.c b/freeglut/freeglut/src/freeglut_geometry.c
index 3c7a835..b41b5b7 100644
--- a/freeglut/freeglut/src/freeglut_geometry.c
+++ b/freeglut/freeglut/src/freeglut_geometry.c
@@ -1096,7 +1096,7 @@ void FGAPIENTRY glutWireSierpinskiSponge ( int num_levels, GLdouble offset[3], G
       glEnd () ;
     }
   }
-  else
+  else if ( num_levels > 0 )
   {
     GLdouble local_offset[3] ;  /* Use a local variable to avoid buildup of roundoff errors */
     num_levels -- ;
@@ -1135,7 +1135,7 @@ void FGAPIENTRY glutSolidSierpinskiSponge ( int num_levels, GLdouble offset[3],
 
     glEnd () ;
   }
-  else
+  else if ( num_levels > 0 )
   {
     GLdouble local_offset[3] ;  /* Use a local variable to avoid buildup of roundoff errors */
     num_levels -- ;