<?php

require_once("misc.php");

/* Category management for plain text */

function load_category() {
  global $category;
  global $cat;

  if ((!file_exists($category)) || (!lock($category)) ||
      (!($f = fopen($category, 'r'))))
    return 0;

  while (!feof($f)) {
    list($id, $desc) = explode (" ", rtrim(fgets($f, 1024)), 2);
    if (!$id) continue;
    $cat[] = array("id" => $id, "description" => $desc);
  }
  fclose($f);
  unlock($category);

  return 1;
}

function store_category($id = 0) {
  global $category;
  global $cat;

  if  ((!lock($category)) || (!($f = fopen($category, 'w'))))
    return 0;

  foreach ($cat as $c)
    fputs ($f, $c["id"] . " " . $c["description"] . "\n");
  fclose($f);
  unlock($category);

  return 1;
}

/* Initialization */

$category = $categorydir . $table . ".cat";

load_category();

?>