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Date: Tue, 9 Jun 2015 21:46:50 +0200
From: Julien Ramseier <>
Subject: Re: getgrgid and errno

> Le 9 juin 2015 à 21:17, Alex <> a écrit :
> The code which you show says "if (rv) errno = rv". The debugger shows that rv is 0. So the condition is false and errno is not set.
> It must have been set to ENOENT somewhere above that -- as you single-step through the code, keep printing errno on each line to find out where.

Thanks. I don’t know how I missed that.

errno is set to ENOENT by __nscd_query, since no nscd daemon is running and /var/run/nscd/socket does not exist.
So getgrgid always sets errno when the group doesn’t exist and no nscd daemon is available.
Is that expected?


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