man acl_add_perm (Fonctions bibliothèques) - acl_add_perm

NAME

acl_add_perm - add a permission to an ACL permission set

LIBRARY

Linux Access Control Lists library (libacl, -lacl).

SYNOPSIS

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

ERRORS

If any of the following conditions occur, the acl_add_perm function returns -1 and sets errno to the corresponding value:

Bq 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.

STANDARDS

IEEE Std 1003.1e draft 17 (POSIX.1e, abandoned)

SEE ALSO

acl_clear_perms(3) ,acl_delete_perm(3) ,acl_get_perm(3) ,acl_get_permset(3) ,acl_set_permset(3) ,acl()

AUTHOR

Derived from the FreeBSD manual pages written by Robert N M Watson Aq rwatson@FreeBSD.org , and adapted for Linux by Andreas Gruenbacher Aq a.gruenbacher@bestbits.at .