From: erg <devnull@localhost>
Date: Sat, 5 Dec 2009 23:47:57 +0000 (+0000)
Subject: Fix bug in dot_builtins: can't send NULL to strcasecmp
X-Git-Tag: LAST_LIBGRAPH~32^2~1522
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=64611154f1a7d3ad6d6c4bb4e586316b18af60fd;p=graphviz

Fix bug in dot_builtins: can't send NULL to strcasecmp
---

diff --git a/lib/gvc/gvplugin.c b/lib/gvc/gvplugin.c
index 4eeffdb8c..8ce664d98 100644
--- a/lib/gvc/gvplugin.c
+++ b/lib/gvc/gvplugin.c
@@ -145,6 +145,7 @@ static boolean gvplugin_activate(GVC_t * gvc, api_t api,
     while (*pnext) {
 	if ( (strcasecmp(typestr, (*pnext)->typestr) == 0)
 	  && (strcasecmp(name, (*pnext)->package->name) == 0)
+	  && ((*pnext)->package->path != 0)
 	  && (strcasecmp(path, (*pnext)->package->path) == 0)) {
 	    (*pnext)->typeptr = typeptr;
 	    return TRUE;