>> acl_add_perm (3) ( Linux man: Библиотечные вызовы )
BSD mandoc
Linux ACL
NAME
acl_add_perm
- add a permission to an ACL permission set
LIBRARY
Linux Access Control Lists library (libacl, -lacl).
SYNOPSIS
#include <sys/types.h>
#include <sys/acl.h> int
acl_add_perm (acl_permset_t permset_d acl_perm_t perm);
DESCRIPTION
The
acl_add_perm ();
function adds the permission contained in the argument
perm
to the permission set referred to by the argument
permset_d
An attempt to add a permission that is already contained in the permission
set is not considered an error.
Any existing descriptors that refer to
permset_d
continue to refer to that permission set.
RETURN VALUE
Rv -std acl_add_perm
ERRORS
If any of the following conditions occur, the
acl_add_perm ();
function returns
-1
and sets
errno
to the corresponding value:
Bq Er EINVAL
The argument
permset_d
is not a valid descriptor for a permission set within an ACL entry.
The argument
perm
does not contain a valid
acl_perm_t
value.
