src/main/java/com/code_intelligence/jazzer/runtime/Mutator.java


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34

/*
 * Copyright 2023 Code Intelligence GmbH
 *
 * 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.
 */

package com.code_intelligence.jazzer.runtime;

import com.github.fmeum.rules_jni.RulesJni;

public final class Mutator {
  public static final boolean SHOULD_MOCK =
      Boolean.parseBoolean(System.getenv("JAZZER_MOCK_LIBFUZZER_MUTATOR"));

  static {
    if (!SHOULD_MOCK) {
      RulesJni.loadLibrary("jazzer_driver", "/com/code_intelligence/jazzer/driver");
    }
  }

  public static native int defaultMutateNative(byte[] buffer, int size);

  private Mutator() {}
}