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volume: checksum remove the hashing step in Value()

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This commit is contained in:
chrislu
2022-06-05 15:24:02 -07:00
parent ecef844dfc
commit 056c480eb0
7 changed files with 26 additions and 22 deletions
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3
weed/storage/needle/crc.go
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@@ -21,6 +21,7 @@ func (c CRC) Update(b []byte) CRC {
return CRC(crc32.Update(uint32(c), table, b))
}
// Value Deprecated. Just use the raw uint32 value to compare.
func (c CRC) Value() uint32 {
return uint32(c>>15|c<<17) + 0xa282ead8
}
@@ -51,4 +52,4 @@ func (c *CRCwriter) Write(p []byte) (n int, err error) {
return
}
func (c *CRCwriter) Sum() uint32 { return c.crc.Value() } // final hash
func (c *CRCwriter) Sum() uint32 { return uint32(c.crc) } // final hash