From 1103b67eb8cdf02098b09f79d73f26c897e4db96 Mon Sep 17 00:00:00 2001
From: Norihiro Tanaka <address@hidden>
Date: Tue, 11 Aug 2015 00:37:00 +0900
Subject: [PATCH] grep: avoid use of uninitialized variable

* src/dfasearch.c (EGexecute): Initialize backref.
---
 src/dfasearch.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/dfasearch.c b/src/dfasearch.c
index 8b8af06..de51321 100644
--- a/src/dfasearch.c
+++ b/src/dfasearch.c
@@ -207,7 +207,6 @@ EGexecute (char const *buf, size_t size, size_t *match_size,
 {
   char const *buflim, *beg, *end, *ptr, *match, *best_match, *mb_start;
   char eol = eolbyte;
-  int backref;
   regoff_t start;
   size_t len, best_len;
   struct kwsmatch kwsm;
@@ -227,6 +226,7 @@ EGexecute (char const *buf, size_t size, size_t *match_size,
           char const *next_beg, *dfa_beg = beg;
           size_t count = 0;
           bool exact_kwset_match = false;
+          int backref = 0;
 
           /* Try matching with KWset, if it's defined.  */
           if (kwset)
-- 
2.4.6