blob: 8c08d1011ba339c098473559e690acc4ce04591f [file] [log] [blame]
// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <cassert>
#include <cstddef>
#include <cstdint>
#include <functional>
#include <limits>
#include <string>
#include "libxml/parser.h"
#include "libxml/xmlsave.h"
void ignore (void* ctx, const char* msg, ...) {
// Error handler to avoid spam of error messages from libxml parser.
}
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
xmlSetGenericErrorFunc(NULL, &ignore);
// Test default empty options value and one random combination of flags.
const std::string data_string(reinterpret_cast<const char*>(data), size);
const std::size_t data_hash = std::hash<std::string>()(data_string);
const int max_option_value = std::numeric_limits<int>::max();
const int random_option = data_hash & max_option_value;
const int options[] = {0, random_option};
for (const auto option_value : options) {
if (auto doc = xmlReadMemory(data_string.c_str(), data_string.length(),
"noname.xml", NULL, option_value)) {
auto buffer = xmlBufferCreate();
assert(buffer);
auto context = xmlSaveToBuffer(buffer, NULL, 0);
xmlSaveDoc(context, doc);
xmlSaveClose(context);
xmlFreeDoc(doc);
xmlBufferFree(buffer);
}
}
return 0;
}