From: erg <devnull@localhost>
Date: Wed, 24 Jun 2009 22:05:56 +0000 (+0000)
Subject: Check for no input files at cleanup time.
X-Git-Tag: LAST_LIBGRAPH~32^2~1880
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=a9e1bb7a4c05407e1cb5057726820875a940f363;p=graphviz

Check for no input files at cleanup time.
---

diff --git a/lib/gvpr/gvpr.c b/lib/gvpr/gvpr.c
index 280a93931..d89fed5af 100644
--- a/lib/gvpr/gvpr.c
+++ b/lib/gvpr/gvpr.c
@@ -961,7 +961,7 @@ int gvpr (int argc, char *argv[], gvpropts * uopts)
     freeParseProg (prog);
     freeCompileProg (xprog);
     closeGPRState(state);
-    closeIngraph (ing);
+    if (ing) closeIngraph (ing);
     freeOpts (opts);
 
     if (uopts) {