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ceafd8e19d
This filter exactly mimics the behavior of the Perl filter so is a drop-in replacement. The filter is not integrated yet since it requires the Perl-to-C storage layer interface coming in a future commit.
21 lines
1.1 KiB
C
21 lines
1.1 KiB
C
/***********************************************************************************************************************************
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Checksum Implementation for Data Pages
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***********************************************************************************************************************************/
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#ifndef POSTGRES_PAGECHECKSUM_H
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#define POSTGRES_PAGECHECKSUM_H
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#include <stdint.h>
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/***********************************************************************************************************************************
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Functions
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***********************************************************************************************************************************/
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uint16_t pageChecksum(const unsigned char *page, unsigned int blockNo, unsigned int pageSize);
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uint64_t pageLsn(const unsigned char *page);
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bool pageChecksumTest(
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const unsigned char *page, unsigned int blockNo, unsigned int pageSize, uint32_t ignoreWalId, uint32_t ignoreWalOffset);
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bool pageChecksumBufferTest(
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const unsigned char *pageBuffer, unsigned int pageBufferSize, unsigned int blockNoBegin, unsigned int pageSize,
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uint32_t ignoreWalId, uint32_t ignoreWalOffset);
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#endif
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