glib/gqueue.h

   1 /* GLIB - Library of useful routines for C programming
   2  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19
  20 /*
  21  * Modified by the GLib Team and others 1997-2000.  See the AUTHORS
  22  * file for a list of people on the GLib Team.  See the ChangeLog
  23  * files for a list of changes.  These files are distributed with
  24  * GLib at ftp://ftp.gtk.org/pub/gtk/.
  25  */
  26
  27 #if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
  28 #error "Only <glib.h> can be included directly."
  29 #endif
  30
  31 #ifndef __G_QUEUE_H__
  32 #define __G_QUEUE_H__
  33
  34 #include <glib/glist.h>
  35
  36 G_BEGIN_DECLS
  37
  38 typedef struct _GQueue          GQueue;
  39
  40 struct _GQueue
  41 {
  42   GList *head;
  43   GList *tail;
  44   guint  length;
  45 };
  46
  47 #define G_QUEUE_INIT { NULL, NULL, 0 }
  48
  49 /* Queues
  50  */
  51 GQueue*  g_queue_new            (void);
  52 void     g_queue_free           (GQueue           *queue);
  53 void     g_queue_init           (GQueue           *queue);
  54 void     g_queue_clear          (GQueue           *queue);
  55 gboolean g_queue_is_empty       (GQueue           *queue);
  56 guint    g_queue_get_length     (GQueue           *queue);
  57 void     g_queue_reverse        (GQueue           *queue);
  58 GQueue * g_queue_copy           (GQueue           *queue);
  59 void     g_queue_foreach        (GQueue           *queue,
  60                                  GFunc             func,
  61                                  gpointer          user_data);
  62 GList *  g_queue_find           (GQueue           *queue,
  63                                  gconstpointer     data);
  64 GList *  g_queue_find_custom    (GQueue           *queue,
  65                                  gconstpointer     data,
  66                                  GCompareFunc      func);
  67 void     g_queue_sort           (GQueue           *queue,
  68                                  GCompareDataFunc  compare_func,
  69                                  gpointer          user_data);
  70
  71 void     g_queue_push_head      (GQueue           *queue,
  72                                  gpointer          data);
  73 void     g_queue_push_tail      (GQueue           *queue,
  74                                  gpointer          data);
  75 void     g_queue_push_nth       (GQueue           *queue,
  76                                  gpointer          data,
  77                                  gint              n);
  78 gpointer g_queue_pop_head       (GQueue           *queue);
  79 gpointer g_queue_pop_tail       (GQueue           *queue);
  80 gpointer g_queue_pop_nth        (GQueue           *queue,
  81                                  guint             n);
  82 gpointer g_queue_peek_head      (GQueue           *queue);
  83 gpointer g_queue_peek_tail      (GQueue           *queue);
  84 gpointer g_queue_peek_nth       (GQueue           *queue,
  85                                  guint             n);
  86 gint     g_queue_index          (GQueue           *queue,
  87                                  gconstpointer     data);
  88 void     g_queue_remove         (GQueue           *queue,
  89                                  gconstpointer     data);
  90 void     g_queue_remove_all     (GQueue           *queue,
  91                                  gconstpointer     data);
  92 void     g_queue_insert_before  (GQueue           *queue,
  93                                  GList            *sibling,
  94                                  gpointer          data);
  95 void     g_queue_insert_after   (GQueue           *queue,
  96                                  GList            *sibling,
  97                                  gpointer          data);
  98 void     g_queue_insert_sorted  (GQueue           *queue,
  99                                  gpointer          data,
 100                                  GCompareDataFunc  func,
 101                                  gpointer          user_data);
 102
 103 void     g_queue_push_head_link (GQueue           *queue,
 104                                  GList            *link_);
 105 void     g_queue_push_tail_link (GQueue           *queue,
 106                                  GList            *link_);
 107 void     g_queue_push_nth_link  (GQueue           *queue,
 108                                  gint              n,
 109                                  GList            *link_);
 110 GList*   g_queue_pop_head_link  (GQueue           *queue);
 111 GList*   g_queue_pop_tail_link  (GQueue           *queue);
 112 GList*   g_queue_pop_nth_link   (GQueue           *queue,
 113                                  guint             n);
 114 GList*   g_queue_peek_head_link (GQueue           *queue);
 115 GList*   g_queue_peek_tail_link (GQueue           *queue);
 116 GList*   g_queue_peek_nth_link  (GQueue           *queue,
 117                                  guint             n);
 118 gint     g_queue_link_index     (GQueue           *queue,
 119                                  GList            *link_);
 120 void     g_queue_unlink         (GQueue           *queue,
 121                                  GList            *link_);
 122 void     g_queue_delete_link    (GQueue           *queue,
 123                                  GList            *link_);
 124
 125 G_END_DECLS
 126
 127 #endif /* __G_QUEUE_H__ */