NAME

acl_add_perm — add permissions to a permission set

LIBRARY

Standard C Library (libc, -lc)

SYNOPSIS

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

int
acl_add_perm(acl_permset_t permset_d, acl_perm_t perm);

DESCRIPTION

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.

SEE ALSO

acl(3), acl_clear_perms(3), acl_delete_perm(3), acl_get_permset(3), acl_set_permset(3), posix1e(3)

STANDARDS

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

AUTHORS

Michael Smith
Chris D Fulhaber