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checksum.h
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1 /*-------------------------------------------------------------------------
2  *
3  * checksum.h
4  * Checksum implementation for data pages.
5  *
6  * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
7  * Portions Copyright (c) 1994, Regents of the University of California
8  *
9  * src/include/storage/checksum.h
10  *
11  *-------------------------------------------------------------------------
12  */
13 #ifndef CHECKSUM_H
14 #define CHECKSUM_H
15 
16 #include "storage/block.h"
17 
18 /*
19  * Compute the checksum for a Postgres page. The page must be aligned on a
20  * 4-byte boundary.
21  */
22 extern uint16 pg_checksum_page(char *page, BlockNumber blkno);
23 
24 #endif /* CHECKSUM_H */
uint32 BlockNumber
Definition: block.h:31
unsigned short uint16
Definition: c.h:357
uint16 pg_checksum_page(char *page, BlockNumber blkno)