| // Copyright 2026 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef TESTING_LIBFUZZER_LIBFUZZER_BASE_WRAPPERS_H_ |
| #define TESTING_LIBFUZZER_LIBFUZZER_BASE_WRAPPERS_H_ |
| |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| // Deliberately do not include "base/containers/span.h" so that users are |
| // forced to include it themselves. |
| #include "base/compiler_specific.h" |
| |
| // Defines an `LLVMFuzzerTestOneInput` function that accepts a `base::span<const |
| // uint8_t>` rather than a pointer-and-size pair, avoiding the need for manual |
| // construction of such spans. |
| // |
| // Example usage: |
| // |
| // ```cpp |
| // #include "base/containers/span.h" |
| // #include "base/strings/string_view_util.h" |
| // #include "testing/libfuzzer/libfuzzer_base_wrappers.h" |
| // |
| // DEFINE_LLVM_FUZZER_TEST_ONE_INPUT_SPAN(base::span<const uint8_t> data) { |
| // SomeFunctionAcceptingSpan(data); |
| // SomeFunctionAcceptingStringView(base::as_string_view(data)); |
| // SomeFunctionAcceptingSpanOfChars(base::as_chars(data)); |
| // return 0; |
| // } |
| // ``` |
| #define DEFINE_LLVM_FUZZER_TEST_ONE_INPUT_SPAN(arg) \ |
| static int TestOneInput(arg); \ |
| extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) { \ |
| /* SAFETY: Inputs are supplied by the fuzzer infrastructure. */ \ |
| return TestOneInput( \ |
| UNSAFE_BUFFERS(base::span<const uint8_t>(data, size))); \ |
| } \ |
| static int TestOneInput(arg) |
| |
| #endif // TESTING_LIBFUZZER_LIBFUZZER_BASE_WRAPPERS_H_ |
