Implemented some memory savings by tracking the number of layers that

have pins defined, and using that value to restrict the number of
layers allocated for the Nodeloc, Nodesav, and Stub arrays.  Also
some searches are restricted to those layers only, leading to a small
amount of speedup (but probably not significant).

1 files changed, 1 insertions, 1 deletions

diff --git a/graphics.c b/graphics.c
index 4eab75d..a1d3f16 100644
--- a/graphics.c
+++ b/graphics.c
@@ -231,7 +231,7 @@ map_obstruction()
 
     // Draw pins as gray squares
     XSetForeground(dpy, gc, graypix);
-    for (i = 0; i < Num_layers; i++) {
+    for (i = 0; i < Pinlayers; i++) {
 	for (x = 0; x < NumChannelsX[i]; x++) {
 	    xspc = (x + 1) * spacing - hspc;
 	    for (y = 0; y < NumChannelsY[i]; y++) {