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35 lines
1011 B
35 lines
1011 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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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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// Dummy functions used to avoid dependency on AFL.
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extern "C" void __afl_manual_init() {}
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extern "C" int __afl_persistent_loop(unsigned int N) {
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static int Count = N;
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fprintf(stderr, "__afl_persistent_loop called, Count = %d\n", Count);
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return Count--;
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}
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// This declaration exists to prevent the Darwin linker
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// from complaining about this being a missing weak symbol.
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extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv) {
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return 0;
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}
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
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puts("STDOUT MESSAGE");
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fflush(stdout);
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fprintf(stderr, "STDERR MESSAGE\n"
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"LLVMFuzzerTestOneInput called; Size = %zd\n",
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Size);
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if (Size < 4)
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return 0;
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return Data[Size];
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}
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