NAME

initgroups − initialize group access list

SYNOPSIS

initgroups(name, basegid)
char *name;
int basegid;

DESCRIPTION

Initgroups reads through the login group file and sets up, using the setgroups(2) call, the group access list for the user specified in name. The basegid is automatically included in the groups list.  Typically this value is given as the group number from the password file.  If the login group file is non-existent or empty basegid is the only member of the list. 

FILES

/etc/logingroup

AUTHOR

Initgroups was developed by the University of California, Berkeley California, Computer Science Division, Department of Electrical Engineering and Computer Science. 

SEE ALSO

login(1), su(1), setgroups(2), group(4)

DIAGNOSTICS

Initgroups returns −1 if it was not invoked by the super-user. 

BUGS

Initgroups uses the routines based on getgrent(3C). If the invoking program uses any of these routines, the group structure will be overwritten in the call to initgroups.

On most systems, no one seems to keep /etc/logingroup up to date. 

Hewlett-Packard Company  —  Version B.1,  May 11, 2021