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// © 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;
}
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