From 94a605687f85c171057aa112aa41f25993ce36f2 Mon Sep 17 00:00:00 2001
From: Bill Blough <Bill.Blough@xerox.com>
Date: Tue, 10 Oct 2017 22:03:34 -0400
Subject: [PATCH] Add null pointer check to correct issue #3

---
 src/dotconf.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/dotconf.c b/src/dotconf.c
index 7ba2001..2f7b129 100644
--- a/src/dotconf.c
+++ b/src/dotconf.c
@@ -1457,6 +1457,13 @@ DOTCONF_CB(dotconf_cb_include)
 	char *pre = 0;
 	char *ext = 0;
 
+	if (!cmd->data.str) {
+		dotconf_warning(cmd->configfile, DCLOG_WARNING,
+				ERR_INCLUDE_ERROR,
+				"Invalid or missing filename");
+		return NULL;
+	}
+
 	if (cmd->configfile->includepath
 	    && cmd->data.str[0] != '/'
 	    && cmd->configfile->includepath[0] != '\0') {