forked from OSchip/llvm-project
39 lines
1.1 KiB
C++
39 lines
1.1 KiB
C++
//===--------------------- strcpy_fuzz.cpp --------------------------------===//
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//
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// 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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//
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//===----------------------------------------------------------------------===//
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///
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/// Fuzzing test for llvm-libc strcpy implementation.
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///
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//===----------------------------------------------------------------------===//
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#include "src/string/strcpy.h"
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#include <stdint.h>
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
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// Validate input
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if (!size) return 0;
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if (data[size - 1] != '\0') return 0;
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const char *src = (const char *)data;
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char *dest = new char[size];
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if (!dest) __builtin_trap();
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__llvm_libc::strcpy(dest, src);
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size_t i;
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for (i = 0; src[i] != '\0'; i++) {
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// Ensure correctness of strcpy
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if (dest[i] != src[i]) __builtin_trap();
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}
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// Ensure strcpy null terminates dest
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if (dest[i] != src[i]) __builtin_trap();
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delete[] dest;
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return 0;
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}
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