acl_get_perm_np(3)

acl_get_perm_np3

Check if a permission is set in a permission set

Usage

#include <sys/types.h>

#include <sys/acl.h>

int

acl_get_perm_np(acl_permset_t permset_d, acl_perm_t perm);

Library

Standard C Library (libc, -lc)

Overview

The acl_get_perm_np() function is a non-portable function that checks if a permission is set in a permission set.

Return values

If the permission in perm is set in the permission set permset_d, a value of 1 is returned, otherwise a value of 0 is returned.

Errors

If any of the following conditions occur, the acl_get_perm_np() function will return a value of -1 and set global variable errno to the corresponding value:

[EINVAL]

Argument perm does not contain a valid ACL permission or argument permset_d is not a valid ACL permset.

Releases

Unchanged in 135 releases since Mac OS X 10.4.

  1. 10.4–26.5

Standards

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

Authors

Michael Smith Chris D. Faulhaber

From Libc 1752.120.2 in macOS 26.5. Parsed by carta from the page's mdoc source.