nuttx/include/malloc.h
Xiang Xiao 97216c220b mm: Support malloc_size function
and rename malloc_usable_size to malloc_size

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2021-07-04 18:53:44 -03:00

72 lines
2.6 KiB
C

/****************************************************************************
* include/malloc.h
*
* 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.
*
****************************************************************************/
#ifndef __INCLUDE_MALLOC_H
#define __INCLUDE_MALLOC_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <stdlib.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* For Linux and MacOS compatibility */
#define malloc_usable_size malloc_size
/****************************************************************************
* Public Type Definitions
****************************************************************************/
struct mallinfo
{
int arena; /* This is the total size of memory allocated
* for use by malloc in bytes. */
int ordblks; /* This is the number of free (not in use) chunks */
int aordblks; /* This is the number of allocated (in use) chunks */
int mxordblk; /* Size of the largest free (not in use) chunk */
int uordblks; /* This is the total size of memory occupied by
* chunks handed out by malloc. */
int fordblks; /* This is the total size of memory occupied
* by free (not in use) chunks. */
};
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#if defined(__cplusplus)
extern "C"
{
#endif
struct mallinfo mallinfo(void);
size_t malloc_size(FAR void *ptr);
#if defined(__cplusplus)
}
#endif
#endif /* __INCLUDE_MALLOC_H */