<?php

/**
 * @file
 *
 * Provides install/uninstall processes for our cache table and configuration variables.
 */

/**
 * Implement hook_schema() - creates our own cache table.
 */
function multilink_schema() {
  $schema['cache_multilink'] = drupal_get_schema_unprocessed('system', 'cache');
  $schema['cache_multilink']['description'] = 'Cache table for MultiLink - can be safely emptied.';
  return $schema;
}

/**
 * Implement hook_uninstall() - deletes our configuration variables.
 */
function multilink_uninstall() {
  _multilink_delete_config('multilink_');
}

/**
 * Remove our variables.
 */
function _multilink_delete_config($name) {
  $len = drupal_strlen($name);
  foreach ($GLOBALS['conf'] as $key => $value) {
    if (drupal_substr($key, 0, $len) == $name) {
      variable_del($key);
    }
  }
}