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/*-------------------------------------------------------------------------
*
* checksum.h
* Checksum implementation for data pages.
*
* Portions Copyright (c) 1996-2018, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/storage/checksum.h
*
*-------------------------------------------------------------------------
*/
#ifndef CHECKSUM_H
#define CHECKSUM_H
#include "storage/block.h"
typedef enum ChecksumType
{
DATA_CHECKSUMS_OFF = 0,
DATA_CHECKSUMS_ON,
DATA_CHECKSUMS_INPROGRESS
} ChecksumType;
/*
* Compute the checksum for a Postgres page. The page must be aligned on a
* 4-byte boundary.
*/
extern uint16 pg_checksum_page(char *page, BlockNumber blkno);
#endif /* CHECKSUM_H */
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