| // © 2019 and later: Unicode, Inc. and others. |
| // License & terms of use: http://www.unicode.org/copyright.html |
| |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| #include <algorithm> |
| #include <array> |
| #include <cstring> |
| #include <functional> |
| #include <memory> |
| #include <vector> |
| |
| #include "fuzzer_utils.h" |
| #include "unicode/unistr.h" |
| #include "unicode/ucnv.h" |
| |
| IcuEnvironment* env = new IcuEnvironment(); |
| |
| template <typename T> |
| using deleted_unique_ptr = std::unique_ptr<T, std::function<void(T*)>>; |
| |
| extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) { |
| UErrorCode status = U_ZERO_ERROR; |
| uint16_t rnd = 0; |
| |
| if (size < 2) { |
| return 0; |
| } |
| |
| rnd = *(reinterpret_cast<const uint16_t *>(data)); |
| data = data + 2; |
| size = size - 2; |
| |
| size_t unistr_size = size/2; |
| std::unique_ptr<char16_t[]> fuzzbuff(new char16_t[unistr_size]); |
| std::memcpy(fuzzbuff.get(), data, unistr_size * 2); |
| |
| icu::UnicodeString fuzzstr(false, fuzzbuff.get(), unistr_size); |
| |
| const char* converter_name = |
| ucnv_getAvailableName(rnd % ucnv_countAvailable()); |
| deleted_unique_ptr<UConverter> converter(ucnv_open(converter_name, &status), |
| &ucnv_close); |
| if (U_FAILURE(status)) { |
| return 0; |
| } |
| |
| static const size_t dest_buffer_size = 1024 * 1204; |
| static const std::unique_ptr<char[]> dest_buffer(new char[dest_buffer_size]); |
| |
| fuzzstr.extract(dest_buffer.get(), dest_buffer_size, converter.get(), status); |
| |
| return 0; |
| } |