libcruft-util/alloc/raw/malloc.cpp

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/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Copyright 2015 Danny Robson <danny@nerdcruft.net>
*/
#include "malloc.hpp"
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#include "../../debug.hpp"
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#include <cstdlib>
using util::alloc::raw::malloc;
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///////////////////////////////////////////////////////////////////////////////
util::view<std::byte*>
malloc::allocate (size_t bytes)
{
return allocate (bytes, alignof (std::max_align_t));
}
//-----------------------------------------------------------------------------
util::view<std::byte*>
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malloc::allocate (size_t bytes, size_t align)
{
// C malloc guarantees maximal alignment
CHECK_LE (align, alignof (std::max_align_t));
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(void)align;
return util::view<std::byte*> (reinterpret_cast<std::byte*> (::malloc (bytes)), bytes);
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}
//-----------------------------------------------------------------------------
void
malloc::deallocate (void *ptr, size_t bytes)
{
return deallocate (ptr, bytes, alignof (std::max_align_t));
}
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//-----------------------------------------------------------------------------
void
malloc::deallocate (void *ptr, size_t bytes, size_t align)
{
(void)bytes;
(void)align;
::free (ptr);
}