NAME
LIBRARY
Linux Access Control Lists library (libacl, -lacl).
SYNOPSIS
n sys/types.h
n sys/acl.h
DESCRIPTION
The
function retrieves the access ACL associated with the file referred to by
The ACL is placed into working storage and
returns a pointer to that storage.
In order to read an ACL from an object, a process must have read access to
the object's attributes.
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_free(3)
with the
returned by
as an argument.
RETURN VALUE
On success, this function shall return a pointer to the
working storage. On error, a value of
shall be returned, and
is set appropriately.
ERRORS
If any of the following conditions occur, the
function returns a value of
and sets
to the corresponding value:
- EBADF
The
argument is not a valid file descriptor.
- ENOMEM
The ACL working storage requires more memory than is allowed by the hardware or system-imposed memory management constraints.
- ENOTSUP
The file system on which the file identified by
is located does not support ACLs, or ACLs are disabled.
STANDARDS
IEEE Std 1003.1e draft 17 (POSIX.1e, abandoned)
SEE ALSO
AUTHOR
Derived from the FreeBSD manual pages written by
and adapted for Linux by
