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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

/*
 * Interface implementation for the unified fuzzing interface
 */

#include "FuzzingInterfaceStream.h"

#include "mozilla/Assertions.h"

#ifndef JS_STANDALONE
#include "nsNetUtil.h"
#endif

namespace mozilla {

#ifdef __AFL_COMPILER

void afl_interface_stream(const char* testFile,
                          FuzzingTestFuncStream testFunc) {
  nsresult rv;
  nsCOMPtr<nsIProperties> dirService =
      do_GetService(NS_DIRECTORY_SERVICE_CONTRACTID);
  MOZ_RELEASE_ASSERT(dirService != nullptr);
  nsCOMPtr<nsIFile> file;
  rv = dirService->Get(NS_OS_CURRENT_WORKING_DIR, NS_GET_IID(nsIFile),
                       getter_AddRefs(file));
  MOZ_RELEASE_ASSERT(NS_SUCCEEDED(rv));
  file->AppendNative(nsDependentCString(testFile));
  while (__AFL_LOOP(1000)) {
    nsCOMPtr<nsIInputStream> inputStream;
    rv = NS_NewLocalFileInputStream(getter_AddRefs(inputStream), file);
    MOZ_RELEASE_ASSERT(NS_SUCCEEDED(rv));
    if (!NS_InputStreamIsBuffered(inputStream)) {
      nsCOMPtr<nsIInputStream> bufStream;
      rv = NS_NewBufferedInputStream(getter_AddRefs(bufStream),
                                     inputStream.forget(), 1024);
      MOZ_RELEASE_ASSERT(NS_SUCCEEDED(rv));
      inputStream = bufStream;
    }
    testFunc(inputStream.forget());
  }
}

#endif

}  // namespace mozilla