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Man Pages


Manual Reference Pages  -  ACL_GET_BRAND_NP (3)

NAME

acl_get_brand_np - retrieve the ACL brand from an ACL entry

CONTENTS

Library
Synopsis
Description
Return Values
Errors
See Also
Standards
History
Authors

LIBRARY


.Lb libc

SYNOPSIS


.In sys/types.h
.In sys/acl.h int acl_get_brand_np acl_t acl int *brand_p

DESCRIPTION

The acl_get_brand_np function is a non-portable call that returns the ACL brand for the ACL acl. Upon successful completion, the location referred to by the argument brand_p will be set to the ACL brand of the ACL acl.

Branding is an internal mechanism intended to prevent mixing POSIX.1e and NFSv4 entries by mistake. It’s also used by the libc to determine how to print out the ACL. The first call to function that is specific for one particular brand - POSIX.1e or NFSv4 - "brands" the ACL. After that, calling function specific to another brand will result in error.

RETURN VALUES


.Rv -std acl_get_brand_np

ERRORS

The acl_get_brand_np function fails if:
[EINVAL]
  Argument acl does not point to a valid ACL.

SEE ALSO

acl(3), posix1e(3)

STANDARDS

POSIX.1e is described in IEEE POSIX.1e draft 17.

HISTORY

POSIX.1e support was introduced in
.Fx 4.0 . The acl_get_brand_np function was added in
.Fx 8.0 .

AUTHORS

The acl_get_brand_np function was written by
.An Edward Tomasz Napierala Aq trasz@FreeBSD.org .
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