GNU bug report logs - #33781
tramp trouble when PATH is very long

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Message #81 received at 33781 <at> debbugs.gnu.org (full text, mbox):

From: Andreas Schwab <schwab <at> linux-m68k.org>
To: Michael Albinus <michael.albinus <at> gmx.de>
Cc: Glenn Morris <rgm <at> gnu.org>, 33781 <at> debbugs.gnu.org
Subject: Re: bug#33781: tramp tests abort on hydra
Date: Fri, 21 Dec 2018 09:25:53 +0100

On Dez 20 2018, Michael Albinus <michael.albinus <at> gmx.de> wrote:

> Andreas Schwab <schwab <at> linux-m68k.org> writes:
>
>>> Yes, PATH_MAX by definition is the maximum length of a file path. But I
>>> still have the feeling it is also involved in setting the $PATH
>>> environment variable. As Glenn did report, there are problems on hydra
>>> when setting $PATH to a string longer than 4096 characters. It doesn't
>>> seem to be related to the shell limit of input lines; Glenn reported
>>> that 'getconf LINE_MAX' returns 2048.
>>
>> 4096 is your typical page size, which is also connected to the pipe or
>> pty buffer.
>
> Is there a way to determine the value on a system?

getconf PIPE_BUF

Andreas.

-- 
Andreas Schwab, schwab <at> linux-m68k.org
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