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Man Pages


Manual Reference Pages  -  ACL_IS_TRIVIAL_NP (3)

NAME

acl_is_trivial_np - determine whether ACL is trivial

CONTENTS

Library
Synopsis
Description
Return Values
See Also
Standards
History
Authors

LIBRARY


.Lb libc

SYNOPSIS


.In sys/types.h
.In sys/acl.h int acl_is_trivial_np const acl_t aclp int *trivialp

DESCRIPTION

The acl_is_trivial function determines whether the ACL pointed to by the argument acl is trivial. Upon successful completion, the location referred to by the argument trivialp will be set to 1, if the ACL aclp points to is trivial, or 0 if it’s not.

ACL is trivial if it can be fully expressed as a file mode without losing any access rules. For POSIX.1e ACLs, ACL is trivial if it has the three required entries, one for owner, one for owning group, and one for other. For NFSv4 ACLs, ACL is trivial if it is identical to the ACL generated by acl_strip_np 3. Files that have non-trivial ACL have a plus sign appended after mode bits in "ls -l" output.

RETURN VALUES


.Rv -std acl_get_tag_type

SEE ALSO

acl(3), posix1e(3)

STANDARDS

POSIX.1e is described in IEEE POSIX.1e draft 17. Discussion of the draft continues on the cross-platform POSIX.1e implementation mailing list. To join this list, see the
.Fx POSIX.1e implementation page for more information.

HISTORY

POSIX.1e support was introduced in
.Fx 4.0 . The acl_is_trivial_np function was added in
.Fx 8.0 .

AUTHORS


.An Edward Tomasz Napierala Aq trasz@FreeBSD.org .
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