forked from OSchip/llvm-project
39 lines
1.1 KiB
C++
39 lines
1.1 KiB
C++
//===-- strcpy_fuzz.cpp ---------------------------------------------------===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
///
|
|
/// Fuzzing test for llvm-libc strcpy implementation.
|
|
///
|
|
//===----------------------------------------------------------------------===//
|
|
#include "src/string/strcpy.h"
|
|
#include <stdint.h>
|
|
|
|
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
|
|
// Validate input
|
|
if (!size) return 0;
|
|
if (data[size - 1] != '\0') return 0;
|
|
const char *src = (const char *)data;
|
|
|
|
char *dest = new char[size];
|
|
if (!dest) __builtin_trap();
|
|
|
|
__llvm_libc::strcpy(dest, src);
|
|
|
|
size_t i;
|
|
for (i = 0; src[i] != '\0'; i++) {
|
|
// Ensure correctness of strcpy
|
|
if (dest[i] != src[i]) __builtin_trap();
|
|
}
|
|
// Ensure strcpy null terminates dest
|
|
if (dest[i] != src[i]) __builtin_trap();
|
|
|
|
delete[] dest;
|
|
|
|
return 0;
|
|
}
|
|
|