xref: /freebsd/lib/libc/posix1e/acl_add_perm.3 (revision 1e413cf93298b5b97441a21d9a50fdcd0ee9945e)
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2.\" Copyright (c) 2001 Chris D. Faulhaber
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26.\" $FreeBSD$
27.\"
28.Dd March 10, 2001
29.Dt ACL_ADD_PERM 3
30.Os
31.Sh NAME
32.Nm acl_add_perm
33.Nd add permissions to a permission set
34.Sh LIBRARY
35.Lb libc
36.Sh SYNOPSIS
37.In sys/types.h
38.In sys/acl.h
39.Ft int
40.Fn acl_add_perm "acl_permset_t permset_d" "acl_perm_t perm"
41.Sh DESCRIPTION
42The
43.Fn acl_add_perm
44function
45is a POSIX.1e call that adds the permission contained in
46.Fa perm
47to the permission set
48.Fa permset_d .
49.Pp
50Note: it is not considered an error to attempt to add permissions
51that already exist in the permission set.
52.Sh RETURN VALUES
53.Rv -std acl_add_perm
54.Sh ERRORS
55The
56.Fn acl_add_perm
57function fails if:
58.Bl -tag -width Er
59.It Bq Er EINVAL
60Argument
61.Fa permset_d
62is not a valid descriptor for a permission set within an ACL entry.
63Argument
64.Fa perm
65does not contain a valid
66.Vt acl_perm_t
67value.
68.El
69.Sh SEE ALSO
70.Xr acl 3 ,
71.Xr acl_clear_perms 3 ,
72.Xr acl_delete_perm 3 ,
73.Xr acl_get_permset 3 ,
74.Xr acl_set_permset 3 ,
75.Xr posix1e 3
76.Sh STANDARDS
77POSIX.1e is described in IEEE POSIX.1e draft 17.
78.Sh HISTORY
79POSIX.1e support was introduced in
80.Fx 4.0 .
81The
82.Fn acl_add_perm
83function was added in
84.Fx 5.0 .
85.Sh AUTHORS
86The
87.Fn acl_add_perm
88function was written by
89.An Chris D. Faulhaber Aq jedgar@fxp.org .
90