Re: [PATCH 1/3] iptables: fix error reporting with wrong/missing arguments

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Jan Engelhardt wrote:
> On Wednesday 2008-11-19 00:43, Pablo Neira Ayuso wrote:
>> @@ -1888,9 +1888,26 @@ int do_command6(int argc, char *argv[], char **table, ip6tc_handle_t *handle)
>> 					continue;
>> 				}
>>
>> -				if (!m)
>> +				if (!m) {
>> +					if (c == '?') {
>> +						if (optopt) {
>> +							exit_error(
>> +							   PARAMETER_PROBLEM,
>> +							   "option `%s' "
>> +							   "requires an "
>> +							   "argument",
>> +							   argv[optind-1]);
>> +						} else {
>> +							exit_error(
>> +							   PARAMETER_PROBLEM,
>> +							   "unknown option "
>> +							   "`%s'",
>> +							   argv[optind-1]);
>> +						}
>> +					}
>> 					exit_error(PARAMETER_PROBLEM,
>> 						   "Unknown arg `%s'", optarg);
>> +				}
> 
> I think it is time to give attention to CodingStyle section 1:
> 
> 	“The answer to that is that if you need more than 3 levels of
> 	indentation, you're screwed anyway, and should fix your
> 	program.”
> 
> Maybe this could be put into a separate function somehow than trying
> to squeeze everything between colums 64 and 80?

Putting this code into a function will not make any better for the whole
section of code under the "default" tag in the switch - which is indeed
already horrible as it looks like a real Spanish chorizo [1].

Of course, you are free to send a patch to cleanup not only this part,
but the whole default section of the switch. I'd be please to apply it.

[1] http://en.wikipedia.org/wiki/Chorizo

-- 
"Los honestos son inadaptados sociales" -- Les Luthiers
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