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FreeBSD 11.0 - man page for acl_set_file (freebsd section 3)

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ACL_SET(3)			   BSD Library Functions Manual 		       ACL_SET(3)

NAME
     acl_set_fd, acl_set_fd_np, acl_set_file, acl_set_link_np -- set an ACL for a file

LIBRARY
     Standard C Library (libc, -lc)

SYNOPSIS
     #include <sys/types.h>
     #include <sys/acl.h>

     int
     acl_set_fd(int fd, acl_t acl);

     int
     acl_set_fd_np(int fd, acl_t acl, acl_type_t type);

     int
     acl_set_file(const char *path_p, acl_type_t type, acl_t acl);

     int
     acl_set_link_np(const char *path_p, acl_type_t type, acl_t acl);

DESCRIPTION
     The acl_set_fd(), acl_set_fd_np(), acl_set_file(), and acl_set_link_np() each associate an
     ACL with an object referred to by fd or path_p.  The acl_set_fd_np() and acl_set_link_np()
     functions are not POSIX.1e calls.	The acl_set_fd() function allows only the setting of ACLs
     of type ACL_TYPE_ACCESS where as acl_set_fd_np() allows the setting of ACLs of any type.
     The acl_set_link_np() function acts on a symlink rather than its target, if the target of
     the path is a symlink.

     Valid values for the type argument are:

	ACL_TYPE_ACCESS     POSIX.1e access ACL
	ACL_TYPE_DEFAULT    POSIX.1e default ACL
	ACL_TYPE_NFS4	    NFSv4 ACL

     Trying to set ACL_TYPE_NFS4 with acl branded as POSIX.1e, or ACL_TYPE_ACCESS or
     ACL_TYPE_DEFAULT with ACL branded as NFSv4, will result in error.

IMPLEMENTATION NOTES
     FreeBSD's support for POSIX.1e interfaces and features is still under development at this
     time.

RETURN VALUES
     Upon successful completion, the value 0 is returned; otherwise the value -1 is returned and
     the global variable errno is set to indicate the error.

ERRORS
     If any of the following conditions occur, these functions shall return -1 and set errno to
     the corresponding value:

     [EACCES]		Search permission is denied for a component of the path prefix, or the
			object exists and the process does not have appropriate access rights.

     [EBADF]		The fd argument is not a valid file descriptor.

     [EINVAL]		Argument acl does not point to a valid ACL for this object, or the ACL
			type specified in type is invalid for this object, or there is branding
			mismatch.

     [ENAMETOOLONG]	A component of a pathname exceeded 255 characters, or an entire path name
			exceeded 1023 characters.

     [ENOENT]		The named object does not exist, or the path_p argument points to an
			empty string.

     [ENOMEM]		Insufficient memory available to fulfill request.

     [ENOSPC]		The directory or file system that would contain the new ACL cannot be
			extended, or the file system is out of file allocation resources.

     [EOPNOTSUPP]	The file system does not support ACL retrieval.

     [EROFS]		This function requires modification of a file system which is currently
			read-only.

SEE ALSO
     acl(3), acl_delete(3), acl_get(3), acl_get_brand_np(3), acl_valid(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 FreeBSD
     POSIX.1e implementation page for more information.

HISTORY
     POSIX.1e support was introduced in FreeBSD 4.0, and development continues.

AUTHORS
     Robert N M Watson

BSD					  June 25, 2009 				      BSD
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