From aab318176b241e572020365b28d97acb5ab44eca Mon Sep 17 00:00:00 2001
From: Tim Edwards <tim@opencircuitdesign.com>
Date: Wed, 25 Mar 2020 15:19:28 -0400
Subject: [PATCH] Corrected lefWrite, which was not initializing the count of
 items written, so that a LEF output with no ports would fail to write the OBS
 ... END around the obstruction geometry.

---
 calma/CalmaRdpt.c | 4 ++--
 lef/lefWrite.c    | 1 +
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/calma/CalmaRdpt.c b/calma/CalmaRdpt.c
index 40a9e118..e87949e4 100644
--- a/calma/CalmaRdpt.c
+++ b/calma/CalmaRdpt.c
@@ -987,9 +987,9 @@ calmaElementText()
 	    {
 		idx = sl->lab_flags & PORT_NUM_MASK;
 		if (idx > i) i = idx;
-		if ((sl != lab) && !strcmp(sl->lab_text, textbody))
+		if ((idx > 0) && (sl != lab) && !strcmp(sl->lab_text, textbody))
 		{
-		    i = (sl->lab_flags & PORT_NUM_MASK) - 1;
+		    i = idx - 1;
 		    break;
 		}
 	    }
diff --git a/lef/lefWrite.c b/lef/lefWrite.c
index 5852bf10..70ab5305 100644
--- a/lef/lefWrite.c
+++ b/lef/lefWrite.c
@@ -836,6 +836,7 @@ lefWriteMacro(def, f, scale, hide)
     /* List of pins (ports) (to be refined?) */
 
     lc.lefMode = LEF_MODE_PORT;
+    lc.numWrites = 0;
 
     /* Determine the maximum port number, then output ports in order */
     maxport = -1;