[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
bug#23112: value of _CS_PATH\
From: |
Ludovic Courtès |
Subject: |
bug#23112: value of _CS_PATH\ |
Date: |
Tue, 03 May 2016 22:22:43 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) |
address@hidden (Ludovic Courtès) skribis:
> John Darrington <address@hidden> skribis:
>
>> Would it not be correct for guix to have
>>
>> confstr (_CS_PATH, buf, len);
>>
>> set the contents of buf with the bin directory of the currently
>> installed coreutils package?
>>
>> For me, it returns /bin:/usr/bin which is not correct.
>
> Fixing it is a bit tricky because:
>
> 1. The meaning of this variable is ill-defined. Specifically, POSIX
> says it “is the value for the PATH environment variable that finds
> all standard utilities.” By “standard utilities”, surely they must
> be talking of ‘guile’, ‘guix’, ‘herd’, and a couple of others, but
> we can’t be sure. ;-)
>
> http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/unistd.h.html
>
> 2. If CS_PATH refers to Coreutils, then that means that libc refers to
> Coreutils, which is inconvenient at best.
>
> 3. We could set CS_PATH to /run/current-system/profile/bin but that
> wouldn’t work on foreign distros.
>
> So I’m inclined to leave things as is.
I’ll close the bug if you don’t mind, but…
> Did you find a situation where the invalid value was causing troubles?
… I’m still interested in knowing this. :-)
TIA,
Ludo’.
- bug#23112: value of _CS_PATH\,
Ludovic Courtès <=