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RedHat 9 (Linux i386) - man page for acl_to_any_text (redhat section 3)

ACL_TO_ANY_TEXT(3)		   BSD Library Functions Manual 	       ACL_TO_ANY_TEXT(3)

     acl_to_any_text -- convert an ACL to text

     Linux Access Control Lists library (libacl, -lacl).

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

     char *
     acl_to_any_text(acl_t acl, const char *prefix, char separator, int options);

     The acl_to_any_text() function translates the ACL pointed to by the argument acl into a NULL
     terminated character string. This character string is composed of the ACL entries contained
     in acl, in the entry text format described on acl(5).  Entries are separated from each other
     by the separator character. If the argument prefix is not (const char *)NULL, each entry is
     prefixed by this character string.

     If the argument options is 0, ACL entries are converted using the entry tag type keywords
     user, group, mask, and other.  User IDs and group IDs of ACL entries that contain such qual-
     ifiers are converted to their corresponding names; if an identifier has no corresponding
     name, a decimal number string is produced. The ACL text representation contains no addi-
     tional comments.

     A bitwise combinations of the following options can be used to modify the result:

		   Instead of the full tag type keywords, single letter abbreviations are used.
		   The abbreviation for user is u, the abbreviation for group is g, the abbrevia-
		   tion for mask is m, and the abbreviation for other is o.

		   User IDs and group IDs are included as decimal numbers instead of names.

		   A comment containing the effective permissions of the ACL entry is included
		   after ACL entries that contain permissions which are ineffective because they
		   are masked by an ACL_MASK entry. The ACL entry and the comment are separated
		   by a tab character.

		   A comment containing the effective permissions of the ACL entry is included
		   after all ACL entries that are affected by an ACL_MASK entry.  The comment is
		   included even if the permissions contained in the ACL entry equal the effec-
		   tive permissions. The ACL entry and the comment are separated by a tab charac-

		   This option is used in combination with the TEXT_SOME_EFFECTIVE or
		   TEXT_ALL_EFFECTIVE option. The number of tab characters inserted between the
		   ACL entry and the comment is increased so that the comment is aligned to the
		   fourth tab stop position.  A tab width of 8 characters is assumed.

     The ACL referred to by acl is not changed.

     This function allocates any memory necessary to contain the string and returns a pointer to
     the string.  The caller should free any releasable memory, when the new string is no longer
     required, by calling acl_free() with the (void*)char returned by acl_to_any_text() as an

     Upon successful completion, this function returns a pointer to the text representation of
     the ACL.  Otherwise, a value of (char *)NULL is returned, and errno is set to indicate the

     If any of the following conditions occur, the acl_to_any_text() function returns a value of
     (char *)NULL and sets errno to the corresponding value:

     [EINVAL]		The argument acl is not a valid pointer to an ACL.

			The ACL referenced by acl contains one or more improperly formed ACL
			entries, or for some other reason cannot be translated into the text form
			of an ACL.

     [ENOMEM]		The character string to be returned requires more memory than is allowed
			by the hardware or system-imposed memory management constraints.

     This is a non-portable, Linux specific extension to the ACL manipulation functions defined
     in IEEE Std 1003.1e draft 17 ("POSIX.1e", abandoned).

     acl_from_text(3), acl_to_text(3), acl_free(3), acl(5)

     Written by Andreas Gruenbacher <a.gruenbacher@computer.org>.

Linux ACL				  March 25, 2002				Linux ACL

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