From 19471275dfd6a8df336612c219d2fa91051003d6 Mon Sep 17 00:00:00 2001
From: Tim Edwards <tim@opencircuitdesign.com>
Date: Tue, 9 Feb 2021 09:30:27 -0500
Subject: [PATCH] Added handling of control blocks (.CONTROL ... .ENDC) in
 ngspice- format files to the SPICE parser, so that netgen can be run directly
 on a testbench file and not generate errors due to statements in the control
 block.

---
 base/spice.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/base/spice.c b/base/spice.c
index 0209ded..9f46fdc 100644
--- a/base/spice.c
+++ b/base/spice.c
@@ -865,6 +865,17 @@ skip_ends:
       }
     }
 
+    /* Ignore anything in a .CONTROL ... .ENDC block */
+    else if (matchnocase(nexttok, ".CONTROL")) {
+	while (1) {
+	    SpiceSkipNewLine();
+	    SkipTok(NULL);
+	    if (EndParseFile()) break;
+	    if (matchnocase(nexttok, ".ENDC"))
+	       break;
+	}
+    }
+
     // Blackbox (library) mode---parse only subcircuits and models;
     // ignore all components.