Import SQLite 3.8.7.4.

third_party/sqlite/patches/0016-fts2-Fix-numerous-out-of-bounds-bugs-reading-corrupt.patch

-From 106d71238a58d4dfbeb8cf1cba45a1c4e6f583e8 Mon Sep 17 00:00:00 2001
+From 5938a2cdd5c19c9afe646425abe86d5cb75b6d1a Mon Sep 17 00:00:00 2001
 From: Chris Evans <cevans@chromium.org>
 Date: Wed, 30 Sep 2009 23:10:34 +0000
-Subject: [PATCH 23/23] [fts2] Fix numerous out-of-bounds bugs reading corrupt
+Subject: [PATCH 16/16] [fts2] Fix numerous out-of-bounds bugs reading corrupt
  database.
 
 Fix numerous bugs in fts2 where a corrupt fts2 database could cause
 out-of-bounds reads and writes.
 
 Original review URL is more descriptive:
 http://codereview.chromium.org/216026
 ---
  third_party/sqlite/src/ext/fts2/fts2.c | 751 ++++++++++++++++++++++-----------
  1 file changed, 514 insertions(+), 237 deletions(-)
 
 diff --git a/third_party/sqlite/src/ext/fts2/fts2.c b/third_party/sqlite/src/ext/fts2/fts2.c
-index d5587b3..36d14ff 100644
+index a78e3d3..e585a8b 100644
 --- a/third_party/sqlite/src/ext/fts2/fts2.c
 +++ b/third_party/sqlite/src/ext/fts2/fts2.c
 @@ -447,30 +447,41 @@ static int putVarint(char *p, sqlite_int64 v){
  /* Read a 64-bit variable-length integer from memory starting at p[0].
   * Return the number of bytes read, or 0 on error.
   * The value is stored in *v. */
 -static int getVarint(const char *p, sqlite_int64 *v){
 +static int getVarintSafe(const char *p, sqlite_int64 *v, int max){
    const unsigned char *q = (const unsigned char *) p;
    sqlite_uint64 x = 0, y = 1;
@@ skipping 1574 matching lines @@
 +  if( rc!=SQLITE_OK ){
 +    dataBufferDestroy(&dump);
 +    return;
 +  }
  
    assert( dump.nData>0 );
    dump.nData--;                     /* Overwrite trailing space. */
 -- 
 2.2.1