2 .\" Copyright (c) 2000 Robert N. M. Watson
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26 .\" $FreeBSD: src/lib/libposix1e/acl_to_text.3,v 1.2.2.5 2001/12/20 16:27:06 ru Exp $
33 .Nd convert an ACL to text
40 .Fn acl_to_text "acl_t acl" "ssize_t *len_p"
44 function translates the ACL pointed to by argument
46 into a NULL terminated character string. If the pointer
48 is not NULL, then the function shall return the length of the string (not
49 including the NULL terminator) in the location pointed to by
51 The format of the text string returned by
53 shall be the POSIX.1e long ACL form.
55 This function allocates any memory necessary to contain the string and
56 returns a pointer to the string. The caller should free any releasable
57 memory, when the new string is no longer required, by calling
62 .Sh IMPLEMENTATION NOTES
64 support for POSIX.1e interfaces and features is still under
65 development at this time.
67 Upon successful completion, the function shall return a pointer to the
68 long text form of an ACL. Otherwise, a value of
72 shall be set to indicate the error.
74 If any of the following conditions occur, the
76 function shall return a value of
80 to the corresponding value:
85 does not point to a valid ACL.
89 contains one or more improperly formed ACL entries, or for some other
90 reason cannot be translated into a text form of an ACL.
92 The character string to be returned requires more memory than is allowed
93 by the hardware or software-imposed memory management constraints.
101 POSIX.1e is described in IEEE POSIX.1e draft 17. Discussion
102 of the draft continues on the cross-platform POSIX.1e implementation
103 mailing list. To join this list, see the
105 POSIX.1e implementation
106 page for more information.
108 POSIX.1e support was introduced in
110 and development continues.
112 .An Robert N M Watson
114 These features are not yet fully implemented. In particular, the shipped
115 version of UFS/FFS does not support storage of additional security labels,
116 and so is unable to (easily) provide support for most of these features.
123 library calls to manage username and uid mapping, as well as the
125 library calls to manage groupname and gid mapping. These calls are not
126 thread safe, and so transitively, neither are
130 These functions may also interfere with stateful
131 calls associated with the