From a45febd767642dafc017a3210f357c7a2139e475 Mon Sep 17 00:00:00 2001
From: Cyrill Gorcunov <gorcunov@gmail.com>
Date: Sun, 23 Nov 2014 18:26:54 +0300
Subject: [PATCH] quote: Fix returning out of string pointer

In case if string is a single grave accent we
return the pointer to uninitialized space.

http://bugzilla.nasm.us/show_bug.cgi?id=3392292

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
---
 quote.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/quote.c b/quote.c
index fe1c97d9..b1e9dbae 100644
--- a/quote.c
+++ b/quote.c
@@ -441,8 +441,10 @@ char *nasm_skip_string(char *str)
 	return p;
     } else if (bq == '`') {
 	/* `...` string */
-	p = str+1;
 	state = st_start;
+	p = str+1;
+	if (!*p)
+		return p;
 
 	while ((c = *p++)) {
 	    switch (state) {
-- 
2.11.4.GIT