29 lines · cpp
1//===-- Implementation of memcpy ------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#include "src/string/memcpy.h"10#include "src/__support/common.h"11#include "src/__support/macros/config.h"12#include "src/__support/macros/null_check.h"13#include "src/string/memory_utils/inline_memcpy.h"14 15namespace LIBC_NAMESPACE_DECL {16 17LLVM_LIBC_FUNCTION(void *, memcpy,18 (void *__restrict dst, const void *__restrict src,19 size_t size)) {20 if (size) {21 LIBC_CRASH_ON_NULLPTR(dst);22 LIBC_CRASH_ON_NULLPTR(src);23 }24 inline_memcpy(dst, src, size);25 return dst;26}27 28} // namespace LIBC_NAMESPACE_DECL29