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Simplify ip_broadcast()
git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@689 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb
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Shorewall
@ -20,3 +20,5 @@ Changes since 1.4.6
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9) Added generic tunnel support.
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10) Added support for Address Range Lists in /etc/shorewall/masq.
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11) Simplify ip_broadcast()
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@ -331,12 +331,11 @@ ip_network() {
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# The following hack is supplied to compensate for the fact that many of
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# the popular light-weight Bourne shell derivatives don't support XOR ("^").
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#
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# Note: 2147483647 = 0x7fffffff
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ip_broadcast() {
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local x=$(( ${1#*/} - 1 ))
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local x=$(( 32 - ${1#*/} ))
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[ $x -eq -1 ] && echo -1 || echo $(( 2147483647 >> $x ))
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[ $x -eq 0 ] && echo -1 || echo $(( $(( 1 $LEFTSHIFT $x )) - 1 ))
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}
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#
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