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Dušan Borovčanin 412593ae94
NOISSUE - Update dependencies (#1838)
* Update dependencies

Signed-off-by: dusanb94 <dusan.borovcanin@mainflux.com>

* Update dependencies

Fix Timescale Reader bug.

Signed-off-by: dusanb94 <dusan.borovcanin@mainflux.com>

* Revert influxdb-reader changes

Signed-off-by: dusanb94 <dusan.borovcanin@mainflux.com>

* Update dependencies to latest supported versions

Signed-off-by: dusanb94 <dusan.borovcanin@mainflux.com>

---------

Signed-off-by: dusanb94 <dusan.borovcanin@mainflux.com>
Co-authored-by: Drasko DRASKOVIC <drasko.draskovic@gmail.com>
2023-07-06 20:44:12 +02:00

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675 B
Go

//go:build !amd64 || appengine || !gc || noasm
// +build !amd64 appengine !gc noasm
// Copyright 2019+ Klaus Post. All rights reserved.
// License information can be found in the LICENSE file.
package zstd
import (
"encoding/binary"
"math/bits"
)
// matchLen returns the maximum common prefix length of a and b.
// a must be the shortest of the two.
func matchLen(a, b []byte) (n int) {
for ; len(a) >= 8 && len(b) >= 8; a, b = a[8:], b[8:] {
diff := binary.LittleEndian.Uint64(a) ^ binary.LittleEndian.Uint64(b)
if diff != 0 {
return n + bits.TrailingZeros64(diff)>>3
}
n += 8
}
for i := range a {
if a[i] != b[i] {
break
}
n++
}
return n
}