From 3eec489d3c827dc3c7275418fbb0c1f84a5164ad Mon Sep 17 00:00:00 2001
From: Peng Wu <alexepico@gmail.com>
Date: Fri, 8 Jul 2016 12:45:51 +0800
Subject: fixes pinyin_guess_candidates function

---
 src/pinyin.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/pinyin.cpp b/src/pinyin.cpp
index 8500311..8153e37 100644
--- a/src/pinyin.cpp
+++ b/src/pinyin.cpp
@@ -1705,6 +1705,9 @@ bool pinyin_guess_candidates(pinyin_instance_t * instance,
 
     _free_candidates(candidates);
 
+    if (0 == matrix.size())
+        return false;
+
     /* lookup the previous token here. */
     phrase_token_t prev_token = null_token;
 
-- 
cgit