Port r17543 from Tremor.

A codebook that allows values outside the circular range of the piecewise
 floor1 representation can overflow the lookup
Also fix a typo in the comments of the original patch.


git-svn-id: https://svn.xiph.org/trunk/Tremor@17555 0101bb08-14d6-0310-b084-bc0e0c8e3800

1 files changed, 2 insertions, 3 deletions

diff --git a/floor1.c b/floor1.c
index a408392..a013552 100644
--- a/floor1.c
+++ b/floor1.c
@@ -425,7 +425,7 @@ static int floor1_inverse2(vorbis_block *vb,vorbis_look_floor *in,void *memo,
     int hx=0;
     int lx=0;
     int ly=fit_value[0]*info->mult;
-    /* guard lookup against out-of-rage values */
+    /* guard lookup against out-of-range values */
     ly=(ly<0?0:ly>255?255:ly);
 
     for(j=1;j<look->posts;j++){
@@ -435,10 +435,9 @@ static int floor1_inverse2(vorbis_block *vb,vorbis_look_floor *in,void *memo,
 	
 	hx=info->postlist[current];
 	hy*=info->mult;
-        /* guard lookup against out-of-rage values */
+        /* guard lookup against out-of-range values */
         hy=(hy<0?0:hy>255?255:hy);
 
-
 	render_line(n,lx,hx,ly,hy,out);
 	
 	lx=hx;