xref: /aosp_15_r20/external/pdfium/testing/fuzzers/pdf_css_fuzzer.cc (revision 3ac0a46f773bac49fa9476ec2b1cf3f8da5ec3a4)
1*3ac0a46fSAndroid Build Coastguard Worker // Copyright 2016 The PDFium Authors
2*3ac0a46fSAndroid Build Coastguard Worker // Use of this source code is governed by a BSD-style license that can be
3*3ac0a46fSAndroid Build Coastguard Worker // found in the LICENSE file.
4*3ac0a46fSAndroid Build Coastguard Worker 
5*3ac0a46fSAndroid Build Coastguard Worker #include "core/fxcrt/css/cfx_css.h"
6*3ac0a46fSAndroid Build Coastguard Worker #include "core/fxcrt/css/cfx_csssyntaxparser.h"
7*3ac0a46fSAndroid Build Coastguard Worker #include "core/fxcrt/fx_string.h"
8*3ac0a46fSAndroid Build Coastguard Worker 
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)9*3ac0a46fSAndroid Build Coastguard Worker extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
10*3ac0a46fSAndroid Build Coastguard Worker   WideString input =
11*3ac0a46fSAndroid Build Coastguard Worker       WideString::FromUTF8(ByteStringView(data, static_cast<size_t>(size)));
12*3ac0a46fSAndroid Build Coastguard Worker 
13*3ac0a46fSAndroid Build Coastguard Worker   // If we convert the input into an empty string bail out.
14*3ac0a46fSAndroid Build Coastguard Worker   if (input.IsEmpty())
15*3ac0a46fSAndroid Build Coastguard Worker     return 0;
16*3ac0a46fSAndroid Build Coastguard Worker 
17*3ac0a46fSAndroid Build Coastguard Worker   CFX_CSSSyntaxParser parser(input.AsStringView());
18*3ac0a46fSAndroid Build Coastguard Worker   CFX_CSSSyntaxParser::Status status;
19*3ac0a46fSAndroid Build Coastguard Worker   do {
20*3ac0a46fSAndroid Build Coastguard Worker     status = parser.DoSyntaxParse();
21*3ac0a46fSAndroid Build Coastguard Worker   } while (status != CFX_CSSSyntaxParser::Status::kError &&
22*3ac0a46fSAndroid Build Coastguard Worker            status != CFX_CSSSyntaxParser::Status::kEOS);
23*3ac0a46fSAndroid Build Coastguard Worker   return 0;
24*3ac0a46fSAndroid Build Coastguard Worker }
25