From 4859a748197d518b70c112db40ac66d27496475f Mon Sep 17 00:00:00 2001
From: Lu Wang <coolwanglu@gmail.com>
Date: Tue, 10 Sep 2013 20:13:00 +0800
Subject: [PATCH] initialize enc->unicode when there are too few elements

---
 src/util/ffw.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/util/ffw.c b/src/util/ffw.c
index b87fe9b..a8c29fc 100644
--- a/src/util/ffw.c
+++ b/src/util/ffw.c
@@ -227,6 +227,13 @@ void ffw_reencode_raw(int32 * mapping, int mapping_len, int force)
     enc->char_cnt = len;
     enc->unicode = (int32_t*)malloc(len * sizeof(int32_t));
     memcpy(enc->unicode, mapping, mapping_len * sizeof(int32_t));
+    if(mapping_len < 256)
+    {
+        int i;
+        for(i = mapping_len; i < 256; ++i)
+            enc->unicode[i] = -1;
+    }
+
     enc->enc_name = strcopy("");
 
     enc->next = enc_head;