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// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// 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
// SPDX-FileCopyrightText: Copyright (c) 2025 NVIDIA CORPORATION & AFFILIATES.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCUDACXX___CSTDLIB_MALLOC_H
#define _LIBCUDACXX___CSTDLIB_MALLOC_H
#include <cuda/std/detail/__config>
#if defined(_CCCL_IMPLICIT_SYSTEM_HEADER_GCC)
# pragma GCC system_header
#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_CLANG)
# pragma clang system_header
#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_MSVC)
# pragma system_header
#endif // no system header
#include <cuda/std/__cstddef/types.h>
#include <cuda/std/cstring>
#if !_CCCL_COMPILER(NVRTC)
# include <cstdlib>
#endif // !_CCCL_COMPILER(NVRTC)
#include <nv/target>
#include <cuda/std/__cccl/prologue.h>
_LIBCUDACXX_BEGIN_NAMESPACE_STD
using ::free;
using ::malloc;
#if _CCCL_CUDA_COMPILATION()
[[nodiscard]] _CCCL_HIDE_FROM_ABI _CCCL_DEVICE void* __calloc_device(size_t __n, size_t __size) noexcept
{
void* __ptr{};
const size_t __nbytes = __n * __size;
if (::__umul64hi(__n, __size) == 0)
{
__ptr = _CUDA_VSTD::malloc(__nbytes);
if (__ptr != nullptr)
{
_CUDA_VSTD::memset(__ptr, 0, __nbytes);
}
}
return __ptr;
}
#endif // _CCCL_CUDA_COMPILATION()
[[nodiscard]] _CCCL_API inline void* calloc(size_t __n, size_t __size) noexcept
{
NV_IF_ELSE_TARGET(NV_IS_HOST, (return ::calloc(__n, __size);), (return _CUDA_VSTD::__calloc_device(__n, __size);))
}
_LIBCUDACXX_END_NAMESPACE_STD
#include <cuda/std/__cccl/epilogue.h>
#endif // _LIBCUDACXX___CSTDLIB_MALLOC_H
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