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device: remove some unnecessary unsafe

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Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
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Brad Fitzpatrick 2020-06-22 12:58:01 -07:00 committed by David Crawshaw
parent 3c41141fb4
commit 31b574ef99
1 changed files with 3 additions and 2 deletions
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5
device/indextable.go
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@ -7,8 +7,8 @@ package device
import ( import (
"crypto/rand" "crypto/rand"
"encoding/binary"
"sync" "sync"
"unsafe"
) )
type IndexTableEntry struct { type IndexTableEntry struct {
@ -25,7 +25,8 @@ type IndexTable struct {
func randUint32() (uint32, error) { func randUint32() (uint32, error) {
var integer [4]byte var integer [4]byte
_, err := rand.Read(integer[:]) _, err := rand.Read(integer[:])
return *(*uint32)(unsafe.Pointer(&integer[0])), err // Arbitrary endianness; both are intrinsified by the Go compiler.
return binary.LittleEndian.Uint32(integer[:]), err
} }
func (table *IndexTable) Init() { func (table *IndexTable) Init() {