Merge pull request #26 from saxbophone/josh/19

Fix oversized line bug

Author: saxbophone

saxbospiral.png

@@ -94,6 +94,15 @@ static length_t
 suggest_resize(spiral_t spiral, size_t index) {
     // check if collides or not, return same size if no collision
     if(spiral.collides != -1) {
+        /*
+         * if the colliding line's length is greater than 1, we cannot make any
+         * intelligent suggestions on the length to extend the previous line to
+         * (without the high likelihood of creating a line that wastes space),
+         * so we just return the previous line's length +1
+         */
+        if(spiral.lines[index].length > 1) {
+            return spiral.lines[index - 1].length + 1;
+        }
         // store the 'previous' and 'rigid' lines.
         line_t p = spiral.lines[index - 1];
         line_t r = spiral.lines[spiral.collides];