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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_EXTENDED 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.  In the case of a symlink, this
     function will return an error because ACLs are not currently supported on
     symlinks.	Note that the implementation is not atomic, and so the target
     could change between the time it is checked as not being a symlink, and
     the time the ACL is set.

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 both.

     [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 argu‐
			ment 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_valid(3), posix1e(3)

STANDARDS
     POSIX.1e is described in IEEE POSIX.1e draft 17.

AUTHORS
     Michael Smith
     Robert N M Watson

BSD			       December 29, 2002			   BSD
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