acl_add_perm3

Usage

Library

Standard C Library (libc, -lc)

Overview

The acl_add_perm() function is a POSIX.1e call that adds the permission contained in perm to the permission set permset_d.

Note: it is not considered an error to attempt to add permissions that already exist in the permission set.

Return values

The acl_add_perm() function returns the value 0 if successful; otherwise the value -1 is returned and the global variable errno is set to indicate the error.

Errors

The acl_add_perm() function fails if:

[EINVAL]

Argument permset_d is not a valid descriptor for a permission set within an ACL entry. Argument perm does not contain a valid acl_perm_t value.