Re: [PATCH] Fix IPv6 discovery by stripping Zone ID

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On Mon, 04 Mar 2013 20:48:28 -0800
Lee Duncan <lduncan@xxxxxxxx> wrote:

> 
> 
> On 03/04/2013 06:59 PM, FUJITA Tomonori wrote:
>> On Mon, 04 Mar 2013 18:34:21 -0800
>> Lee Duncan <lduncan@xxxxxxxx> wrote:
>> 
>>>
>>>
>>> On 03/04/2013 06:04 PM, FUJITA Tomonori wrote:
>>>> On Mon,  4 Mar 2013 15:15:57 -0800
>>>> Lee Duncan <lduncan@xxxxxxxx> wrote:
>>>>
>>>>> This strips off the "%ZONEID" that can be at the end of IPv6
>>>>
>>>> 'Can' means that possibly the string doesn't exist, right? The
>>>> following code works in such case?
>>>
>>> Yes, correct. The strsep() only puts a NULL in the string if it finds
>>> any tokens from the supplied list, "%" in this case. Otherwise, the
>>> string is untouched.
>> 
>> Hmm, looks like the man page says different
>> 
>> https://www.kernel.org/doc/man-pages/online/pages/man3/strsep.3.html
>> 
>> In case no delimiter was found, the token is taken to be the entire
>> string *stringp, and *stringp is made NULL.
>> 
> 
> No, that's just poorly worded. They mean that after the whole token,
> which is the whole string in this case, they put a NULL. Funny, because
> it had better already be a NULL!

Ah, I see. I've applied the patch.


Thanks,
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