From 525d516df94b7c044cd97de27b6924d188ed4048 Mon Sep 17 00:00:00 2001
From: Victor Lowther <victor.lowther@gmail.com>
Date: Wed, 29 Jul 2009 17:36:31 -0400
Subject: Use $(( )) for arithmetic statements instead of let or $[ ].

---
 sysconfig/network-scripts/ifup-aliases           | 4 ++--
 sysconfig/network-scripts/ifup-ipv6              | 2 +-
 sysconfig/network-scripts/network-functions      | 6 +++---
 sysconfig/network-scripts/network-functions-ipv6 | 6 +++---
 4 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/sysconfig/network-scripts/ifup-aliases b/sysconfig/network-scripts/ifup-aliases
index 83f53c09..c8b8634a 100755
--- a/sysconfig/network-scripts/ifup-aliases
+++ b/sysconfig/network-scripts/ifup-aliases
@@ -351,8 +351,8 @@ for FILE in ifcfg-${parent_device}-range* ; do
                IPADDR="$ipaddr_prefix.$ipaddr_num"
                DEVICE="$parent_device:$ipaddr_clonenum"
 	       [ "$ONPARENT" != "no" -a "$ONPARENT" != "NO" ] && new_interface;
-               let 'ipaddr_num=ipaddr_num+1'
-               let 'ipaddr_clonenum=ipaddr_clonenum+1'
+               ipaddr_num=$(($ipaddr_num+1))
+               ipaddr_clonenum=$(($ipaddr_clonenum+1))
        done
        
 done
diff --git a/sysconfig/network-scripts/ifup-ipv6 b/sysconfig/network-scripts/ifup-ipv6
index 1dd30aff..ff14b6dd 100755
--- a/sysconfig/network-scripts/ifup-ipv6
+++ b/sysconfig/network-scripts/ifup-ipv6
@@ -225,7 +225,7 @@ if [ "$IPV6TO4INIT" = "yes" ]; then
 		ipv4mtu="$(ipv6_exec_ip link show dev $DEVICE | grep -w "mtu" | awk '{ print $5 }')"
 		if [ -n "$ipv4mtu" ]; then
 			# IPv6 tunnel MTU is IPv4 MTU minus 20 for IPv4 header
-			tunnelmtu=$[ $ipv4mtu - 20 ]
+			tunnelmtu=$(($ipv4mtu-20))
 		fi
 
 		if [ -n "$IPV6TO4_MTU" ]; then
diff --git a/sysconfig/network-scripts/network-functions b/sysconfig/network-scripts/network-functions
index fe10aae8..1583a3ae 100644
--- a/sysconfig/network-scripts/network-functions
+++ b/sysconfig/network-scripts/network-functions
@@ -361,12 +361,12 @@ change_resolv_conf ()
        s="$s"$'\n';
     fi;
     if [ $# -gt 1 ]; then
-       let n_args=$#;
+       n_args=$#;
        while [ $n_args -gt 0 ]; 
 	 do 
 	    if [[ "$s" = *$1* ]]; then
 	       shift;
-	       let n_args=n_args-1;
+	       n_args=$(($n_args-1));
                continue;
             fi;
 	    s="$s$1";
@@ -374,7 +374,7 @@ change_resolv_conf ()
 	    if [ $# -gt 0 ]; then
 		s="$s"$'\n';
 	    fi;
-	    let n_args=n_args-1; 
+	    n_args=$(($n_args-1));
          done;       
     elif [ $# -eq 1 ]; then
        if [ "x$s" != "x" ]; then
diff --git a/sysconfig/network-scripts/network-functions-ipv6 b/sysconfig/network-scripts/network-functions-ipv6
index d56d7436..91329ff2 100644
--- a/sysconfig/network-scripts/network-functions-ipv6
+++ b/sysconfig/network-scripts/network-functions-ipv6
@@ -44,7 +44,7 @@ ipv6_log() {
 	case $t in
 	    'stdout'|'stderr'|'syslog')
 		local channel="$t"
-		local fn=$[ $fn + 1 ]
+		local fn=$(($fn + 1))
 		;;
 	    *)
 		local channel="stdout"
@@ -58,7 +58,7 @@ ipv6_log() {
 		case $t in
 		    'local0'|'local1'|'local2'|'local3'|'local4'|'local5'|'local6'|'local7'|'daemon')
 			local facility="$t"
-			local fn=$[ $fn + 1 ]
+			local fn=$(($fn + 1))
 			;;
 		    *)
 			local facility="user"
@@ -80,7 +80,7 @@ ipv6_log() {
 	case $t in
 	    'info'|'debug'|'notice'|'warn'|'err'|'crit')
 			local priority="$t"
-			local fn=$[ $fn + 1 ]
+			local fn=$(($fn + 1))
 			;;
 		    *)
 			local priority="notice"
-- 
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