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[package] libpcap: explicitely disable libnl support to prevent different build resul...
[openwrt.git]
/
package
/
base-files
/
files
/
bin
/
ipcalc.sh
diff --git
a/package/base-files/files/bin/ipcalc.sh
b/package/base-files/files/bin/ipcalc.sh
index
e482667
..
d6ef168
100755
(executable)
--- a/
package/base-files/files/bin/ipcalc.sh
+++ b/
package/base-files/files/bin/ipcalc.sh
@@
-1,6
+1,6
@@
#!/bin/sh
#!/bin/sh
-awk -f
/usr/lib/common.awk -f
- $* <<EOF
+awk -f - $* <<EOF
function bitcount(c) {
c=and(rshift(c, 1),0x55555555)+and(c,0x55555555)
c=and(rshift(c, 2),0x33333333)+and(c,0x33333333)
function bitcount(c) {
c=and(rshift(c, 1),0x55555555)+and(c,0x55555555)
c=and(rshift(c, 2),0x33333333)+and(c,0x33333333)
@@
-23,15
+23,24
@@
function int2ip(ip,ret,x) {
}
BEGIN {
}
BEGIN {
- ipaddr=ip2int(ARGV[1])
- netmask=ip2int(ARGV[2])
+ slpos=index(ARGV[1],"/")
+ if (slpos == 0) {
+ ipaddr=ip2int(ARGV[1])
+ netmask=ip2int(ARGV[2])
+ } else {
+ ipaddr=ip2int(substr(ARGV[1],0,slpos-1))
+ netmask=compl(2**(32-int(substr(ARGV[1],slpos+1)))-1)
+ ARGV[4]=ARGV[3]
+ ARGV[3]=ARGV[2]
+ }
+
network=and(ipaddr,netmask)
broadcast=or(network,compl(netmask))
network=and(ipaddr,netmask)
broadcast=or(network,compl(netmask))
-
+
start=or(network,and(ip2int(ARGV[3]),compl(netmask)))
limit=network+1
if (start<limit) start=limit
start=or(network,and(ip2int(ARGV[3]),compl(netmask)))
limit=network+1
if (start<limit) start=limit
-
+
end=start+ARGV[4]
limit=or(network,compl(netmask))-1
if (end>limit) end=limit
end=start+ARGV[4]
limit=or(network,compl(netmask))-1
if (end>limit) end=limit
@@
-41,10
+50,10
@@
BEGIN {
print "BROADCAST="int2ip(broadcast)
print "NETWORK="int2ip(network)
print "PREFIX="32-bitcount(compl(netmask))
print "BROADCAST="int2ip(broadcast)
print "NETWORK="int2ip(network)
print "PREFIX="32-bitcount(compl(netmask))
-
+
# range calculations:
# ipcalc <ip> <netmask> <start> <num>
# range calculations:
# ipcalc <ip> <netmask> <start> <num>
-
+
if (ARGC > 3) {
print "START="int2ip(start)
print "END="int2ip(end)
if (ARGC > 3) {
print "START="int2ip(start)
print "END="int2ip(end)
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