src/util/slist.c

   1 /* quvi
   2  * Copyright (C) 2012  Toni Gundogdu <legatvs@gmail.com>
   3  *
   4  * This file is part of quvi <http://quvi.sourceforge.net/>.
   5  *
   6  * This program is free software: you can redistribute it and/or
   7  * modify it under the terms of the GNU Affero General Public
   8  * License as published by the Free Software Foundation, either
   9  * version 3 of the License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU Affero General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Affero General
  17  * Public License along with this program.  If not, see
  18  * <http://www.gnu.org/licenses/>.
  19  */
  20
  21 #include "config.h"
  22
  23 #include <glib.h>
  24
  25 #include "lutil.h"
  26
  27 /* Prepend URL to the singly-linked list if a duplicate is not found. */
  28 GSList *lutil_slist_prepend_if_unique(GSList *l, const gchar *url)
  29 {
  30   GSList *curr = l;
  31   while (curr != NULL) /* Check for a duplicate. */
  32     {
  33       if (g_strcmp0((const gchar*) curr->data, url) ==0)
  34         return (l);
  35       curr = g_slist_next(curr);
  36     }
  37   return (g_slist_prepend(l, g_strdup(url)));
  38 }
  39
  40 void lutil_slist_free_full(GSList *l, GFunc f)
  41 {
  42 #ifdef HAVE_GLIB_2_28
  43   g_slist_free_full(l, f);
  44 #else
  45   g_slist_foreach(l, f, NULL);
  46   g_slist_free(l);
  47 #endif
  48 }
  49
  50 /* vim: set ts=2 sw=2 tw=72 expandtab: */