From a7b4445ceb1d355911a8a367b8db79b225094c43 Mon Sep 17 00:00:00 2001
From: "Andrew J. Schorr" <aschorr@telemetry-investments.com>
Date: Sun, 26 Jun 2016 21:10:25 -0400
Subject: When checking for trailing spaces in numeric strings, avoid running
 off the end.

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

(limited to 'node.c')

diff --git a/node.c b/node.c
index 39c25dfd..58b54561 100644
--- a/node.c
+++ b/node.c
@@ -136,7 +136,7 @@ r_force_number(NODE *n)
 	}
 
 	/* POSIX says trailing space is OK for NUMBER */
-	while (isspace((unsigned char) *ptr))
+	while (ptr < cpend && isspace((unsigned char) *ptr))
 		ptr++;
 
 	if (errno == 0) {
-- 
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