ACL_FROM_TEXT(3) BSD Library Functions Manual ACL_FROM_TEXT(3)
NAME
acl_to_text - convert an ACL to text
LIBRARY
Linux Access Control Lists library (libacl, -lacl).
SYNOPSIS
#include <sys/types.h>
#include <sys/acl.h>
char *
acl_to_text(acl_t acl, ssize_t *len_p);
DESCRIPTION
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 argument.
RETURN VALUE
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.
ERRORS
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 improp-
erly formed ACL entries, or for some other reason can-
not be translated into a text form of an ACL.
[ENOMEM] The character string to be returned requires more mem-
ory than is allowed by the hardware or system-imposed
memory management constraints.
STANDARDS
IEEE Std 1003.1e draft 17 ("POSIX.1e", abandoned)
SEE ALSO
acl_free(3), acl_to_any_text(3), acl(5)
AUTHOR
Derived from the FreeBSD manual pages written by Robert N M Watson
<rwatson@FreeBSD.org>, and adapted for Linux by Andreas Gruenbacher
<a.gruenbacher@bestbits.at>.
Linux ACL March 23, 2002 Linux ACL
