[ipv6calc] Re: ipv6calc bug with base85 input line starting with dash

[Simon Arlott]

Peter Bieringer wrote:
> qm wrote:
> 
>>$ ipv6calc --in ipv6addr 'F677:73F6:11B4:5073:4A06:76C2:CEAE:1474' --out base85
>>--------------------
>>$ ipv6calc --in base85 '--------------------' --out ipv6addr
>>ipv6calc: unrecognized option `--------------------'
>>ipv6calc: version 0.50
>>(P) & (C) 2001-2005 by Peter Bieringer <pb (at) bieringer.de>
>>   Missing or to few input data given!
>>$ 
>>
>>ipv6calc does not recognize an IPv6 base85 20 character string
>>starting with a dash as an argument to be parsed for input.
>>
>>This is a bug.
>>
>>One method to detect this is a string of twenty characters.  Another
>>method to detect it is via the unrecognized option failure.
>>
>>Bug also present in 0.45.
> 
> 
> Looks like this is a problem caused by the getopt implementation:
> 
> $ ipv6calc --in base85 '=F>@nLbSH5WQ%YIL3i%h' --out ipv6addr
> fe80::1
> 
> $ ipv6calc --in base85 '-F>@nLbSH5WQ%YIL3i%h' --out ipv6addr
> ipv6calc: invalid option -- F
> ipv6calc: invalid option -- >
> ipv6calc: invalid option -- @
> ipv6calc: invalid option -- n
> ipv6calc: invalid option -- L
> ipv6calc: version 0.50
> (P) & (C) 2001-2005 by Peter Bieringer <pb (at) bieringer.de>
>    Only one command may be specified!
> 
> 
> Have to dig into how to work around.
> 
> Thank you for reporting.
> 
> 	Peter

Using -- stops it reading options:
 > ./ipv6calc --out ipv6addr --in base85 -- '--------------------'
f677:73f6:11b4:5073:4a06:76c2:ceae:1474

-- 
Simon Arlott
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