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1 // Copyright 2016 The PDFium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #include <memory>
6 
7 #include "core/fxcrt/cfx_retain_ptr.h"
8 #include "xfa/fde/xml/cfx_saxreader.h"
9 #include "xfa/fgas/crt/fgas_stream.h"
10 #include "xfa/fxfa/parser/cxfa_widetextread.h"
11 
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)12 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
13   CFX_WideString input = CFX_WideString::FromUTF8(
14       CFX_ByteStringC(data, static_cast<FX_STRSIZE>(size)));
15   auto stream = pdfium::MakeRetain<CXFA_WideTextRead>(input);
16   if (!stream)
17     return 0;
18 
19   CFX_RetainPtr<IFX_SeekableReadStream> fileRead =
20       stream->MakeSeekableReadStream();
21   if (!fileRead)
22     return 0;
23 
24   CFX_SAXReader reader;
25   if (reader.StartParse(fileRead, 0, -1, CFX_SaxParseMode_NotSkipSpace) < 0)
26     return 0;
27 
28   while (1) {
29     int32_t ret = reader.ContinueParse(nullptr);
30     if (ret < 0 || ret > 99)
31       break;
32   }
33 
34   return 0;
35 }
36