From e4863f1b6341cbcc4132a8161e000e81092b4d65 Mon Sep 17 00:00:00 2001
From: "Andrew J. Schorr" <aschorr@telemetry-investments.com>
Date: Mon, 27 Jun 2016 19:48:34 -0400
Subject: Protect against an improper call to free in r_format_val.

---
 node.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'node.c')

diff --git a/node.c b/node.c
index 58b54561..2c099bd6 100644
--- a/node.c
+++ b/node.c
@@ -272,7 +272,7 @@ r_format_val(const char *format, int index, NODE *s)
 			s->flags |= STRING;
 		}
 	}
-	if (s->stptr != NULL)
+	if ((s->flags & STRCUR) != 0)
 		efree(s->stptr);
 	emalloc(s->stptr, char *, s->stlen + 1, "format_val");
 	memcpy(s->stptr, sp, s->stlen + 1);
-- 
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