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acl_init(3) -- Linux man page
NAME
acl_init
- initialize ACL working storage
LIBRARY
Linux Access Control Lists library (libacl, -lacl).
SYNOPSIS
In sys/types.h
In sys/acl.h
Ft acl_t
Fn acl_init int count
DESCRIPTION
The
Fn acl_init
function allocates and initializes the working storage for an ACL of at least
count
ACL entries. The ACL created initially contains no ACL entries.
A pointer to the working storage is returned.
This function may cause memory to be allocated. The caller should free any
releasable memory, when the new ACL is no longer required, by calling
acl_free3
with the
(void*)acl_t
returned by
Fn acl_init
as an argument.
RETURN VALUE
On success, this function returns a pointer to the
working storage. On error, a value of
(acl_t)NULL
is returned, and
errno
is set appropriately.
ERRORS
If any of the following conditions occur, the
Fn acl_init
function returns a value of
(acl_t)NULL
and sets
errno
to the corresponding value:
- Bq Er EINVAL
-
The value of count is less than zero.
- Bq Er ENOMEM
-
The
acl_t
to be returned requires more memory than is allowed by the hardware or
system-imposed memory management constraints.
STANDARDS
IEEE Std 1003.1e draft 17 (lqPOSIX.1erq, abandoned)
SEE ALSO
acl_get_file3,
acl_free3,
acl(5)
AUTHOR
Derived from the FreeBSD manual pages written by
An Robert N M Watson Aq rwatson@FreeBSD.org ,
and adapted for Linux by
An Andreas Gruenbacher Aq a.gruenbacher@computer.org .
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