Re: [9fans] openat()

[ron minnich <rminnich@gmail.com>]

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not so much what I want, I'm curious about ideas people have about
implementing it that I would not think of.

On Fri, Apr 5, 2024 at 1:38 PM Gorka Guardiola <paurea@gmail.com> wrote:

> Hmm sorry. Now I see what you want. Not to rewalk. You can use the chan of
> the dirfd and walk just the remainder cloning it and creating a new one.
> That way the openat provides the guarantees you want.
>
> On Fri, Apr 5, 2024, 22:15 Gorka Guardiola <paurea@gmail.com> wrote:
>
>> I mean, if you want a new syscall jus copy or call the implementation of
>> these.
>>
>>
>> On Fri, Apr 5, 2024, 22:12 Gorka Guardiola <paurea@gmail.com> wrote:
>>
>>> ¿Isn't that fd2path, strcat and open?
>>> Or am I misunderstanding something?
>>>
>>> On Fri, Apr 5, 2024, 21:51 ron minnich <rminnich@gmail.com> wrote:
>>>
>>>> One of the folks I worked with, when we pulled a big chunk of plan 9
>>>> into akaros, commented that he had implemented openat on akaros.
>>>>
>>>> I don't want this to turn into a debate on the merits of openat; I am
>>>> more curious: if you went to implement openat on Plan 9, how would you go
>>>> about it? I have a few ideas but I'm more interested in your ideas.
>>>>
>>>> Thanks
>>>>
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