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ACL_FROM_TEXT(3) BSD Library Functions Manual ACL_FROM_TEXT(3)
acl_to_text -- convert an ACL to text
Linux Access Control Lists library (libacl, -lacl).
acl_to_text(acl_t acl, ssize_t *len_p);
The acl_to_text() function translates the ACL pointed to by the argument acl into a NULL
terminated character string. If the pointer len_p is not NULL, then the function returns
the length of the string (not including the NULL terminator) in the location pointed to by
len_p. The format of the text string returned by acl_to_text() is the long text form
defined in acl(5). 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(3) with the (void*)char returned by acl_to_text() as an argu-
Upon successful completion, this function returns a pointer to the long text form 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_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 a 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.
IEEE Std 1003.1e draft 17 ("POSIX.1e", abandoned)
acl_free(3), acl_to_any_text(3), acl(5)
Derived from the FreeBSD manual pages written by Robert N M Watson <rwatson@FreeBSD.org>,
and adapted for Linux by Andreas Gruenbacher <firstname.lastname@example.org>.
Linux ACL March 23, 2002 Linux ACL
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