NAME

sqlbox_role_hier_child — add a child to a role

LIBRARY

library “sqlbox”

SYNOPSIS

#include <stdint.h>
#include <sqlbox.h>

int
sqlbox_role_hier_child(struct sqlbox_role_hier *p, size_t parent, size_t child);

DESCRIPTION

Set parent to be the parent of role child in the hierarchy generator p. In the hierarchical structure created by sqlbox_role_hier_child(), a node may have at most one parent.

RETURN VALUES

Returns zero if child or parent is an invalid role, if child already has a parent set, if either child or parent are a sink or start role, or if child is already an ancestor to parent. Returns non-zero otherwise.

SEE ALSO

sqlbox_role_hier_alloc(3)