/*

  Meanwhile - Unofficial Lotus Sametime Community Client Library

  Copyright (C) 2004  Christopher (siege) O'Brien

  This library is free software; you can redistribute it and/or

  modify it under the terms of the GNU Library General Public

  License as published by the Free Software Foundation; either

  version 2 of the License, or (at your option) any later version.

  This library is distributed in the hope that it will be useful,

  but WITHOUT ANY WARRANTY; without even the implied warranty of

  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

  Library General Public License for more details.

  You should have received a copy of the GNU Library General Public

  License along with this library; if not, write to the Free

  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

*/

#include "mw_util.h"

static void collect_keys(gpointer key, gpointer val, gpointer data) {

  GList **list = data;

  *list = g_list_append(*list, key);

}

GList *map_collect_keys(GHashTable *ht) {

  GList *ret = NULL;

  g_hash_table_foreach(ht, collect_keys, &ret;;

  return ret;

}

static void collect_values(gpointer key, gpointer val, gpointer data) {

  GList **list = data;

  *list = g_list_append(*list, val);

}

GList *map_collect_values(GHashTable *ht) {

  GList *ret = NULL;

  g_hash_table_foreach(ht, collect_values, &ret;;

  return ret;

}

struct mw_datum *mw_datum_new(gpointer data, GDestroyNotify clear) {

  struct mw_datum *d = g_new(struct mw_datum, 1);

  mw_datum_set(d, data, clear);

  return d;

}

void mw_datum_set(struct mw_datum *d, gpointer data, GDestroyNotify clear) {

  d->data = data;

  d->clear = clear;

}

gpointer mw_datum_get(struct mw_datum *d) {

  return d->data;

}

void mw_datum_clear(struct mw_datum *d) {

  if(d->clear) {

    d->clear(d->data);

    d->clear = NULL;

  }

  d->data = NULL;

}

void mw_datum_free(struct mw_datum *d) {

  mw_datum_clear(d);

  g_free(d);

}