.\" Access Control Lists manual pages
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.\" (C) 2002 Andreas Gruenbacher, <andreas.gruenbacher@gmail.com>
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.Dd March 23, 2002
.Dt ACL_ENTRIES 3
.Os "Linux ACL"
.Sh NAME
.Nm acl_entries
.Nd return the number of entries in an ACL
.Sh LIBRARY
Linux Access Control Lists library (libacl, \-lacl).
.Sh SYNOPSIS
.In sys/types.h
.In acl/libacl.h
.Ft int
.Fn acl_entries "acl_t acl"
.Sh DESCRIPTION
The
.Fn acl_entries
function returns the number of ACL entries that are contained in the ACL referred to by the argument
.Va acl .
.Sh RETURN VALUE
The
.Fn acl_entries
function returns the number of entries in
.Va acl
if successful; otherwise the value
.Li -1
is returned and the global variable
.Va errno
is set to indicate the error.
.Sh ERRORS
If any of the following conditions occur, the
.Fn acl_entries
function returns
.Li -1
and sets
.Va errno
to the corresponding value:
.Bl -tag -width Er
.It Bq Er EINVAL
The argument
.Va acl
is not a valid pointer to an ACL.
.El
.Sh STANDARDS
This is a non-portable, Linux specific extension to the ACL manipulation
functions defined in IEEE Std 1003.1e draft 17 (\(lqPOSIX.1e\(rq, abandoned).
.Sh SEE ALSO
.Xr acl 5
.Sh AUTHOR
Written by
.An "Andreas Gruenbacher" Aq andreas.gruenbacher@gmail.com .