[zfs] Mounting from (...) failed with error 19

[Garrett Cooper]

On Wed, Oct 20, 2010 at 3:18 PM, Matthew Fleming <mdf356 at gmail.com> wrote:
> On Wed, Oct 20, 2010 at 1:39 PM, Garrett Cooper <gcooper at freebsd.org> wrote:
>> On Wed, Oct 20, 2010 at 12:45 PM, Peter Jeremy <peterjeremy at acm.org> wrote:
>>> On 2010-Oct-20 10:50:38 +0400, KOT MATPOCKuH <matpockuh at gmail.com> wrote:
>>>>> I fixed it with attached patch.
>>>>Omg... Why You are using strcmp, but not strncmp(fs, "zfs", strlen("zfs"))?
>>>
>>> Can you explain why you think it should be strncmp() please.
>>
>> I'd say that strcmp is perfectly fine because zfs is a 3 character (4
>> if you count NUL) string. The comparison logic is dang near the same:
>
> It wouldn't be about the length of the string, but whether you want a
> match on other strings like "zfs2", "zfs_foo", and anything else
> prefixed with zfs.  That's the difference between strcmp and
> strncmp(... strlen()).

Well, yeah... the because using the above strategy would introduce
parsing bugs as you so elegantly put it :).
-Garrett