third_party/sqlite/patches/0007-The-nodeReaderInit-function-in-FTS3-may-not-assume-t.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Conrad Irwin <conrad.irwin@gmail.com>
Date: Wed, 2 Oct 2019 11:17:40 -0700
Subject: [PATCH 7/8] The nodeReaderInit() function in FTS3 may not assume that
 the node is non-empty.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Backports https://www.sqlite.org/src/info/361eb2f682a303bb

Bug: 998494
---
 third_party/sqlite/patched/ext/fts3/fts3_write.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/third_party/sqlite/patched/ext/fts3/fts3_write.c b/third_party/sqlite/patched/ext/fts3/fts3_write.c
index 4be6941579c5..6152c82871cf 100644
--- a/third_party/sqlite/patched/ext/fts3/fts3_write.c
+++ b/third_party/sqlite/patched/ext/fts3/fts3_write.c
@@ -3797,14 +3797,14 @@ static int nodeReaderInit(NodeReader *p, const char *aNode, int nNode){
   p->nNode = nNode;
 
   /* Figure out if this is a leaf or an internal node. */
-  if( p->aNode[0] ){
+  if( aNode && aNode[0] ){
     /* An internal node. */
     p->iOff = 1 + sqlite3Fts3GetVarint(&p->aNode[1], &p->iChild);
   }else{
     p->iOff = 1;
   }
 
-  return nodeReaderNext(p);
+  return aNode ? nodeReaderNext(p) : SQLITE_OK;
 }
 
 /*
-- 
2.20.1 (Apple Git-117)