Speed up 'separate_list'

git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@354 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb

Shorewall/firewall

@@ -1183,7 +1183,6 @@ stop_firewall() {
     iptables -A INPUT  -i lo -j ACCEPT
     iptables -A OUTPUT -o lo -j ACCEPT
 
-
     for interface in `find_interfaces_by_option dhcp`; do
 	iptables -A INPUT  -p udp -i $interface --dport 67:68 -j ACCEPT
 	iptables -A OUTPUT -p udp -o $interface --dport 67:68 -j ACCEPT

Shorewall/functions

@@ -25,9 +25,22 @@ find_file()
 #
 # Replace commas with spaces and echo the result
 #
-separate_list()
-{
-    echo $1 | sed 's/,/ /g'
+separate_list() { 
+    local list
+    local part
+    local newlist
+
+    list="$@"
+    part="${list%%,*}"
+    newlist="$part"
+    
+    while [ "x$part" != "x$list" ]; do
+	list="${list#*,}";
+	part="${list%%,*}";
+	newlist="$newlist $part";
+    done
+
+    echo "$newlist"
 }
 
 #