| ACL_TO_TEXT(3) | Library Functions Manual | ACL_TO_TEXT(3) | 
acl_to_text, acl_to_text_np
  —
#include <sys/types.h>
#include <sys/acl.h>
char *
  
  acl_to_text(acl_t
    acl, ssize_t
    *len_p);
char *
  
  acl_to_text_np(acl_t
    acl, ssize_t
    *len_p, int
  flags);
acl_to_text() and
  acl_to_text_np() functions translate the ACL pointed
  to by argument acl into a NULL terminated character
  string. If the pointer len_p is not NULL, then the
  function shall return the length of the string (not including the NULL
  terminator) in the location pointed to by len_p. If the
  ACL is POSIX.1e, the format of the text string returned by
  acl_to_text() shall be the POSIX.1e long ACL form. If
  the ACL is NFSv4, the format of the text string shall be the compact form,
  unless the ACL_TEXT_VERBOSE flag is given.
The flags specified are formed by or'ing the following values
| ACL_TEXT_VERBOSE | Format ACL using verbose form | 
| ACL_TEXT_NUMERIC_IDS | Do not resolve IDs into user or group names | 
| ACL_TEXT_APPEND_ID | In addition to user and group names, append numeric IDs | 
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 as an argument.
acl_to_text() function shall return a value of
  (acl_t)NULL and set errno to the
  corresponding value:
EINVAL]The ACL denoted 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]acl_from_text() and
  acl_to_text() functions rely on the
  getpwent(3) library calls to
  manage username and uid mapping, as well as the
  getgrent(3) library calls to
  manage groupname and gid mapping. These calls are not thread safe, and so
  transitively, neither are acl_from_text() and
  acl_to_text(). These functions may also interfere with
  stateful calls associated with the getpwent() and
  getgrent() calls.
| June 25, 2009 | NetBSD 10.0 |