getgrouplist is part of glibc and LGPLv2+; the mgetgroups module
is merely an ease-of-use wrapper around this interface. There's
nothing in the algorithm worth protecting by the more-restrictive
GPLv3+. See also this thread.
https://lists.gnu.org/archive/html/bug-gnulib/2013-05/msg00092.html
* modules/getugroups (License): Change from GPLv3+.
* modules/mgetgroups (License): Likewise.
* modules/getgroups (License): Change from LGPLv3+.
Signed-off-by: Eric Blake <eblake@redhat.com>
* lib/getugroups.c: Include "getugroups.h".
Remove uses of "register" keyword.
Move local variable, "cp", down into scope where used.
Give "username" parameter the "const" attribute.
* modules/getugroups (Files): Add lib/getugroups.h
