77 lines
2.5 KiB
C
77 lines
2.5 KiB
C
/****************************************************************************
|
|
* include/nuttx/crc32.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_NUTTX_CRC32_H
|
|
#define __INCLUDE_NUTTX_CRC32_H
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <sys/types.h>
|
|
#include <stdint.h>
|
|
|
|
/****************************************************************************
|
|
* Pre-processor Definitions
|
|
****************************************************************************/
|
|
|
|
/* Append full suffix to avoid the penitential symbol collision */
|
|
|
|
#define crc32 crc32full
|
|
|
|
/****************************************************************************
|
|
* Public Function Prototypes
|
|
****************************************************************************/
|
|
|
|
#ifdef __cplusplus
|
|
#define EXTERN extern "C"
|
|
extern "C"
|
|
{
|
|
#else
|
|
#define EXTERN extern
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Name: crc32part
|
|
*
|
|
* Description:
|
|
* Continue CRC calculation on a part of the buffer.
|
|
*
|
|
****************************************************************************/
|
|
|
|
uint32_t crc32part(FAR const uint8_t *src, size_t len, uint32_t crc32val);
|
|
|
|
/****************************************************************************
|
|
* Name: crc32
|
|
*
|
|
* Description:
|
|
* Return a 32-bit CRC of the contents of the 'src' buffer, length 'len'
|
|
*
|
|
****************************************************************************/
|
|
|
|
uint32_t crc32(FAR const uint8_t *src, size_t len);
|
|
|
|
#undef EXTERN
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* __INCLUDE_NUTTX_CRC32_H */
|