NAME

acl_get_perm_np —

check if a permission is set in a permission set

LIBRARY

Standard C Library (libc, -lc)

SYNOPSIS

#include <sys/types.h>
#include <sys/acl.h>

int
acl_get_perm_np(acl_permset_t permset_d, acl_perm_t perm);

DESCRIPTION

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.

STANDARDS

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

HISTORY

POSIX.1e support was introduced in FreeBSD 4.0. The acl_get_perm_np() function was added in FreeBSD 5.0.

AUTHORS

The acl_get_perm_np() function was written by Chris D. Faulhaber <jedgar@fxp.org>.