mirror of https://github.com/google/oss-fuzz.git
54 lines
1.5 KiB
C++
54 lines
1.5 KiB
C++
// Copyright 2016 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Fuzzer for ucasemap.
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#include <stddef.h>
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#include <stdint.h>
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#include <memory>
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#include "fuzzer_utils.h"
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#include "unicode/ucasemap.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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auto rng = CreateRng(data, size);
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const icu::Locale& locale = GetRandomLocale(&rng);
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uint32_t open_flags = static_cast<uint32_t>(rng());
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deleted_unique_ptr<UCaseMap> csm(
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ucasemap_open(locale.getName(), open_flags, &status),
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[](UCaseMap* map) { ucasemap_close(map); });
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if (U_FAILURE(status))
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return 0;
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int32_t dst_size = size * 2;
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std::unique_ptr<char[]> dst(new char[dst_size]);
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auto src = reinterpret_cast<const char*>(data);
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switch (rng() % 4) {
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case 0: ucasemap_utf8ToLower(csm.get(), dst.get(), dst_size, src, size,
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&status);
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break;
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case 1: ucasemap_utf8ToUpper(csm.get(), dst.get(), dst_size, src, size,
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&status);
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break;
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case 2: ucasemap_utf8ToTitle(csm.get(), dst.get(), dst_size, src, size,
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&status);
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break;
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case 3: ucasemap_utf8FoldCase(csm.get(), dst.get(), dst_size, src, size,
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&status);
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break;
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}
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return 0;
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}
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