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[libiwinfo] fix crash in iwinfo cli when operating on monitor interfaces

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This commit is contained in:
Jo-Philipp Wich 2010-09-27 13:59:51 +00:00
parent 2540d278c5
commit c3b79ead2e
1 changed files with 9 additions and 5 deletions
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14
contrib/package/iwinfo/src/iwinfo.lua
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@ -24,12 +24,16 @@ end
function print_info(api, dev) function print_info(api, dev)
local iw = iwinfo[api] local iw = iwinfo[api]
local enc = iw.encryption(dev)
printf("%-9s Type: %s ESSID: \"%s\"", dev, api, iw.ssid(dev)) printf("%-9s Type: %s ESSID: \"%s\"",
printf(" Access Point: %s", iw.bssid(dev)) dev, api, s(iw.ssid(dev)))
printf(" Access Point: %s",
s(iw.bssid(dev)))
printf(" Mode: %s Channel: %d (%.3f GHz)", printf(" Mode: %s Channel: %d (%.3f GHz)",
iw.mode(dev), iw.channel(dev), n(iw.frequency(dev)) / 1000) iw.mode(dev), n(iw.channel(dev)), n(iw.frequency(dev)) / 1000)
printf(" Tx-Power: %s dBm Link Quality: %s/%s", printf(" Tx-Power: %s dBm Link Quality: %s/%s",
s(iw.txpower(dev)), s(iw.quality(dev)), s(iw.quality_max(dev))) s(iw.txpower(dev)), s(iw.quality(dev)), s(iw.quality_max(dev)))
@ -41,7 +45,7 @@ function print_info(api, dev)
n(iw.bitrate(dev)) / 1000) n(iw.bitrate(dev)) / 1000)
printf(" Encryption: %s", printf(" Encryption: %s",
iw.encryption(dev).description) s(enc and enc.description))
print("") print("")
end end
@ -84,7 +88,7 @@ function print_txpwrlist(api, dev)
for _, pe in ipairs(pl) do for _, pe in ipairs(pl) do
printf("%s%3d dBm (%4d mW)", printf("%s%3d dBm (%4d mW)",
(cp == pe.dbm) and "*" or " ", (cp == pe.dbm) and "*" or " ",
pe.dbm, pe.mw) n(pe.dbm), n(pe.mw))
end end
else else
print("No TX power information available") print("No TX power information available")