[PATCH] cyrus-imapd: use getgrouplist instead of set/getgrent on systems supporting it

Tomas Janousek tjanouse at redhat.com
Mon Sep 17 13:07:35 EDT 2007


On Mon, Sep 17, 2007 at 10:15:25AM -0400, Ken Murchison wrote:
> Can you explain  the use of:
> if (pwd || groupids[ngroups] != gid)

Yes. It's linked to the line which reads:
> gid = pwd ? pwd->pw_gid : (gid_t) -1;

If pwd is non-NULL, we supply the gid and expect (and want) it to appear in
the list. If not, we expect -1 to appear in the list a we filter it out.

Tomas Janousek, SW Engineer, Red Hat, Inc.

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