/*

 * Copyright 2021 Google LLC

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

#include <sys/types.h>

#include <stdlib.h>

#include <stdio.h>

#include <stdint.h>

#include <unistd.h>

#include "tidybuffio.h"

#include "tidy.h"

int TidyXhtml(const uint8_t* data, size_t size, TidyBuffer* output, TidyBuffer* errbuf) {

  Bool ok;

  TidyDoc tdoc = tidyCreate();

  ok = tidyOptSetBool( tdoc, TidyXhtmlOut, yes );

  tidySetErrorBuffer(tdoc, errbuf);

  char filename[256];

  sprintf(filename, "/tmp/libfuzzer.%d", getpid());

  FILE *fp = fopen(filename, "wb");

  if (!fp) {

    tidyRelease( tdoc );

    return 0;

  }

  fwrite(data, size, 1, fp);

  fclose(fp);

  tidyParseFile(tdoc, filename);

  tidyCleanAndRepair(tdoc);

  tidyRunDiagnostics(tdoc);

  tidyOptSetBool(tdoc, TidyForceOutput, yes);

  tidySaveBuffer(tdoc, output);

  tidyRelease( tdoc );

  unlink(filename);

  return 0;

}

int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {

  TidyBuffer fuzz_toutput;

  TidyBuffer fuzz_terror;

  tidyBufInit(&fuzz_toutput);

  tidyBufInit(&fuzz_terror);

  TidyXhtml(data, size, &fuzz_toutput, &fuzz_terror);

  tidyBufFree(&fuzz_toutput);

  tidyBufFree(&fuzz_terror);

  return 0;

}