table of contents
|ACL_FROM_TEXT(3)||Library Functions Manual||ACL_FROM_TEXT(3)|
convert an ACL to text
Linux Access Control Lists library (libacl, -lacl).
function translates the ACL pointed to by the argument
acl into a
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
as an argument.
On success, this function returns a pointer to the long text form
of the ACL. On error, a value of
(char *)NULL is
returned, and errno is set appropriately.
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:
- 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.
- 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)
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⟩.
|March 23, 2002||Linux ACL|