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