'\" te
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.TH ACL_TRIVIAL 3SEC "Nov 24, 2014"
.SH NAME
acl_trivial \- determine whether a file has a trivial ACL
.SH SYNOPSIS
.LP
.nf
cc [ \fIflag\fR\&.\|.\|. ] \fIfile\fR\&.\|.\|. \fB-lsec\fR [ \fIlibrary\fR\&.\|.\|. ]
#include <sys/acl.h>

\fBint\fR \fBacl_trivial\fR(\fBchar *\fR\fIpath\fR);
.fi

.SH DESCRIPTION
.LP
The \fBacl_trivial()\fR function is used to determine whether a file has a
trivial ACL. Whether an ACL is trivial depends on the type of the ACL. A POSIX
draft ACL is trivial if it does not have more than \fBMIN_ACL_ENTRIES\fR
entries. An NFSv4/ZFS-style ACL is trivial if it does not have entries other
than \fBowner@\fR, \fBgroup@\fR, and \fBeveryone@\fR, does not have inheritance
flags set, and is ordered in a manner that meets POSIX access control
requirements.
.SH RETURN VALUES
.LP
Upon successful completion, \fBacl_trivial()\fR returns 0 if the file's ACL is
trivial and 1 if the file's ACL is not trivial. If it could not be determined
whether a file's ACL is trivial, -1 is returned and \fBerrno\fR is set to
indicate the error.
.SH ERRORS
.LP
The \fBacl_trivial()\fR function will fail if:
.sp
.ne 2
.na
\fB\fBEACCES\fR\fR
.ad
.RS 10n
A file's ACL could not be read.
.RE

.sp
.ne 2
.na
\fB\fBENOENT\fR\fR
.ad
.RS 10n
A component of \fIpath\fR does not name an existing file or \fIpath\fR is an
empty string.
.RE

.SH ATTRIBUTES
.LP
See \fBattributes\fR(5) for descriptions of the following attributes:
.sp

.sp
.TS
box;
c | c
l | l .
ATTRIBUTE TYPE	ATTRIBUTE VALUE
_
Interface Stability	Evolving
_
MT-Level	MT-Safe
.TE

.SH SEE ALSO
.LP
\fBacl\fR(5), \fBattributes\fR(5)