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__ */ 128