diff --git a/tools/xen/functions b/tools/xen/functions
index ab0be84..4317796 100644
--- a/tools/xen/functions
+++ b/tools/xen/functions
@@ -93,7 +93,7 @@
     echo $pbd_path
 }
 
-function find_ip_by_name() {
+function find_ip_by_name {
     local guest_name="$1"
     local interface="$2"
 
@@ -121,7 +121,7 @@
     done
 }
 
-function _vm_uuid() {
+function _vm_uuid {
     local vm_name_label
 
     vm_name_label="$1"
@@ -129,14 +129,14 @@
     xe vm-list name-label="$vm_name_label" --minimal
 }
 
-function _create_new_network() {
+function _create_new_network {
     local name_label
     name_label=$1
 
     xe network-create name-label="$name_label"
 }
 
-function _multiple_networks_with_name() {
+function _multiple_networks_with_name {
     local name_label
     name_label=$1
 
@@ -144,21 +144,21 @@
     xe network-list name-label="$name_label" --minimal | grep -q ","
 }
 
-function _network_exists() {
+function _network_exists {
     local name_label
     name_label=$1
 
     ! [ -z "$(xe network-list name-label="$name_label" --minimal)" ]
 }
 
-function _bridge_exists() {
+function _bridge_exists {
     local bridge
     bridge=$1
 
     ! [ -z "$(xe network-list bridge="$bridge" --minimal)" ]
 }
 
-function _network_uuid() {
+function _network_uuid {
     local bridge_or_net_name
     bridge_or_net_name=$1
 
@@ -169,7 +169,7 @@
     fi
 }
 
-function add_interface() {
+function add_interface {
     local vm_name_label
     local bridge_or_network_name
 
@@ -185,7 +185,7 @@
     xe vif-create network-uuid=$net vm-uuid=$vm device=$device_number
 }
 
-function setup_network() {
+function setup_network {
     local bridge_or_net_name
     bridge_or_net_name=$1
 
@@ -204,7 +204,7 @@
     fi
 }
 
-function bridge_for() {
+function bridge_for {
     local bridge_or_net_name
     bridge_or_net_name=$1
 
@@ -215,29 +215,28 @@
     fi
 }
 
-function xenapi_ip_on() {
+function xenapi_ip_on {
     local bridge_or_net_name
     bridge_or_net_name=$1
 
     ifconfig $(bridge_for "$bridge_or_net_name") | grep "inet addr" | cut -d ":" -f2 | sed "s/ .*//"
 }
 
-function xenapi_is_listening_on() {
+function xenapi_is_listening_on {
     local bridge_or_net_name
     bridge_or_net_name=$1
 
     ! [ -z $(xenapi_ip_on "$bridge_or_net_name") ]
 }
 
-function parameter_is_specified() {
+function parameter_is_specified {
     local parameter_name
     parameter_name=$1
 
     compgen -v | grep "$parameter_name"
 }
 
-function append_kernel_cmdline()
-{
+function append_kernel_cmdline {
     local vm_name_label
     local kernel_args
 
@@ -252,8 +251,7 @@
     xe vm-param-set PV-args="$pv_args $kernel_args" uuid=$vm
 }
 
-function destroy_all_vifs_of()
-{
+function destroy_all_vifs_of {
     local vm_name_label
 
     vm_name_label="$1"
@@ -268,11 +266,11 @@
     unset IFS
 }
 
-function have_multiple_hosts() {
+function have_multiple_hosts {
     xe host-list --minimal | grep -q ","
 }
 
-function attach_network() {
+function attach_network {
     local bridge_or_net_name
 
     bridge_or_net_name="$1"
@@ -286,7 +284,7 @@
     xe network-attach uuid=$net host-uuid=$host
 }
 
-function set_vm_memory() {
+function set_vm_memory {
     local vm_name_label
     local memory
 
@@ -305,7 +303,7 @@
         uuid=$vm
 }
 
-function max_vcpus() {
+function max_vcpus {
     local vm_name_label
 
     vm_name_label="$1"
@@ -337,7 +335,7 @@
     xe vm-param-set uuid=$vm VCPUs-at-startup=$cpu_count
 }
 
-function get_domid() {
+function get_domid {
     local vm_name_label
 
     vm_name_label="$1"