[Kst] kdeextragear-2/kst/plugins/linefit

[George Staikos]

CVS commit by staikos: 

don't access beyond the end of the array when scaling


  M +5 -1      linefit.c   1.6


--- kdeextragear-2/kst/plugins/linefit/linefit.c  #1.5:1.6
@@ -51,6 +51,10 @@ int linefit(const double *const inArrays
                 long int idx = lrint(z);
                 double skew = z - floor(z); /* [0..1] */
+                long int idx2 = idx + 1;
                 sy += inArrays[Y][i];
-                sx += inArrays[X][idx] + (inArrays[X][idx+1] - inArrays[X][idx])*skew;
+                while (idx2 >= inArrayLens[Y]) {
+                        idx2--;
+                }
+                sx += inArrays[X][idx] + (inArrays[X][idx2] - inArrays[X][idx])*skew;
         }