fix code after moving address/crypto/util

src/util/util.go

@@ -1,21 +1,21 @@
-package yggdrasil
+package util
 
 // These are misc. utility functions that didn't really fit anywhere else
 
 import "runtime"
 
 // A wrapper around runtime.Gosched() so it doesn't need to be imported elsewhere.
-func util_yield() {
+func Yield() {
 	runtime.Gosched()
 }
 
 // A wrapper around runtime.LockOSThread() so it doesn't need to be imported elsewhere.
-func util_lockthread() {
+func LockThread() {
 	runtime.LockOSThread()
 }
 
 // A wrapper around runtime.UnlockOSThread() so it doesn't need to be imported elsewhere.
-func util_unlockthread() {
+func UnlockThread() {
 	runtime.UnlockOSThread()
 }
 
@@ -23,15 +23,12 @@ func util_unlockthread() {
 // It's used like a sync.Pool, but with a fixed size and typechecked without type casts to/from interface{} (which were making the profiles look ugly).
 var byteStore chan []byte
 
-// Initializes the byteStore
-func util_initByteStore() {
-	if byteStore == nil {
-		byteStore = make(chan []byte, 32)
-	}
+func init() {
+	byteStore = make(chan []byte, 32)
 }
 
 // Gets an empty slice from the byte store, if one is available, or else returns a new nil slice.
-func util_getBytes() []byte {
+func GetBytes() []byte {
 	select {
 	case bs := <-byteStore:
 		return bs[:0]
@@ -41,7 +38,7 @@ func util_getBytes() []byte {
 }
 
 // Puts a slice in the store, if there's room, or else returns and lets the slice get collected.
-func util_putBytes(bs []byte) {
+func PutBytes(bs []byte) {
 	select {
 	case byteStore <- bs:
 	default: