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29 lines
738 B
29 lines
738 B
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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// Test for implicit-integer-sign-change.
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#include <assert.h>
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#include <climits>
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#include <cstddef>
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#include <cstdint>
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#include <cstdlib>
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#include <iostream>
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static volatile uint32_t Sink;
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static volatile int32_t Storage = -1;
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
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assert(Data);
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if (Size > 0 && Data[0] == 'H') {
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Sink = 1;
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if (Size > 1 && Data[1] == 'i') {
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Sink = 2;
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if (Size > 2 && Data[2] == '!') {
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Sink = Storage; // 'sign change'.
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}
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}
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}
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return 0;
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}
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