fuzzing/fuzz_utf8_validate.c

/*
 * Copyright 2022 Endless OS Foundation, LLC
 *
 * SPDX-License-Identifier: LGPL-2.1-or-later
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
 */

#include "fuzz.h"

int
LLVMFuzzerTestOneInput (const unsigned char *data, size_t size)
{
  fuzz_set_logging_func ();

  /* We don’t care whether the fuzzer provides valid or invalid UTF-8 data, just
   * that the validation function doesn’t crash or do anything undefined. */
  g_utf8_validate_len ((const gchar *) data, size, NULL);

  return 0;
}