NAME
initgroups —
initialize group access list
SYNOPSIS
#include
<unistd.h>
int
initgroups(const
char *name, int
basegid);
DESCRIPTION
Theinitgroups()
function uses the
getgrouplist(3) function to calculate the group access list for
the user specified in name. This group list is then
setup for the current process using
setgroups(2). The basegid is automatically
included in the groups list. Typically this value is given as the group number
from the password file.
RETURN VALUES
The initgroups() function returns -1 if it
was not invoked by the super-user.
SEE ALSO
HISTORY
The initgroups function appeared in
4.2BSD.
BUGS
The getgrouplist() function called by
initgroups uses the routines based on
getgrent(3). If the invoking program uses any of these routines, the
group structure will be overwritten in the call to
initgroups().