incubator-nuttx/mm/kmm_heap/kmm_realloc.c

58 lines
2.0 KiB
C

/****************************************************************************
* mm/kmm_heap/kmm_realloc.c
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/mm/mm.h>
#ifdef CONFIG_MM_KERNEL_HEAP
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: kmm_realloc
*
* Description:
* Re-allocate memory in the kernel heap.
*
* Input Parameters:
* oldmem - The old memory allocated
* newsize - Size (in bytes) of the new memory region to be re-allocated.
*
* Returned Value:
* The address of the re-allocated memory (NULL on failure to re-allocate)
*
****************************************************************************/
FAR void *kmm_realloc(FAR void *oldmem, size_t newsize)
{
return mm_realloc(g_kmmheap, oldmem, newsize);
}
#endif /* CONFIG_MM_KERNEL_HEAP */