From a406a7677cde0f5f6d60cbe14ce7b61a7110beaa Mon Sep 17 00:00:00 2001
From: David Griffith <dave@661.org>
Date: Wed, 22 Feb 2017 05:31:54 -0800
Subject: [PATCH] Head off another potential problem with dotless files when
 loading a Blorb file.

---
 src/curses/ux_blorb.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/curses/ux_blorb.c b/src/curses/ux_blorb.c
index 2a2545c..438d5ca 100644
--- a/src/curses/ux_blorb.c
+++ b/src/curses/ux_blorb.c
@@ -101,7 +101,8 @@ bb_err_t ux_blorb_init(char *filename)
 	/* Check if foo.blb is there. */
         if ((blorb_fp = fopen(mystring, "rb")) == NULL) {
 	    p = rindex(mystring, '.');
-	    *p = '\0';
+	    if (p != NULL)
+		*p = '\0';
             strncat(mystring, EXT_BLORB3, len2 * sizeof(char));
 	    blorb_fp = fopen(mystring, "rb");
 	}
-- 
2.34.1