31 lines · cpp
1//===-- Implementation of mempcpy ----------------------------------------===//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/mempcpy.h"10#include "src/__support/macros/config.h"11#include "src/__support/macros/null_check.h"12#include "src/string/memory_utils/inline_memcpy.h"13 14#include "src/__support/common.h"15#include <stddef.h> // For size_t.16 17namespace LIBC_NAMESPACE_DECL {18 19LLVM_LIBC_FUNCTION(void *, mempcpy,20 (void *__restrict dst, const void *__restrict src,21 size_t count)) {22 if (count) {23 LIBC_CRASH_ON_NULLPTR(dst);24 LIBC_CRASH_ON_NULLPTR(src);25 }26 inline_memcpy(dst, src, count);27 return reinterpret_cast<char *>(dst) + count;28}29 30} // namespace LIBC_NAMESPACE_DECL31