From 9cb1e78a44f4136d05df8368816e12725cbf5861 Mon Sep 17 00:00:00 2001
From: Keisuke Kuroyanagi <ksk@google.com>
Date: Thu, 3 Oct 2013 17:30:54 +0900
Subject: [PATCH] Fix: Native crash when an empty attribute is written.

Bug: 10964805
Change-Id: Ia3cd891d20aee2226092f0f646d8f280901786fc
---
 .../policyimpl/dictionary/header/header_read_write_utils.cpp   | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/native/jni/src/suggest/policyimpl/dictionary/header/header_read_write_utils.cpp b/native/jni/src/suggest/policyimpl/dictionary/header/header_read_write_utils.cpp
index 2694ce8d5..5ded8f6a1 100644
--- a/native/jni/src/suggest/policyimpl/dictionary/header/header_read_write_utils.cpp
+++ b/native/jni/src/suggest/policyimpl/dictionary/header/header_read_write_utils.cpp
@@ -139,6 +139,9 @@ const char *const HeaderReadWriteUtils::REQUIRES_FRENCH_LIGATURE_PROCESSING_KEY
         int *const writingPos) {
     for (AttributeMap::const_iterator it = headerAttributes->begin();
             it != headerAttributes->end(); ++it) {
+        if (it->first.empty() || it->second.empty()) {
+            continue;
+        }
         // Write a key.
         if (!buffer->writeCodePointsAndAdvancePosition(&(it->first.at(0)), it->first.size(),
                 true /* writesTerminator */, writingPos)) {