glib/glib/gqueue.h
Christian Hergert a4c3feb835 queue: add g_queue_insert_before_link() and g_queue_insert_after_link()
This adds two new helpers that allow for inserting pre-allocated GList
elements to the queue similar to existing helpers. This may be advantagous
in some situations such as statically allocated GList elements.
2019-05-01 13:01:14 -07:00

204 lines
7.6 KiB
C

/* GLIB - Library of useful routines for C programming
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
/*
* Modified by the GLib Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GLib Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GLib at ftp://ftp.gtk.org/pub/gtk/.
*/
#ifndef __G_QUEUE_H__
#define __G_QUEUE_H__
#if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
#error "Only <glib.h> can be included directly."
#endif
#include <glib/glist.h>
G_BEGIN_DECLS
typedef struct _GQueue GQueue;
/**
* GQueue:
* @head: a pointer to the first element of the queue
* @tail: a pointer to the last element of the queue
* @length: the number of elements in the queue
*
* Contains the public fields of a
* [Queue][glib-Double-ended-Queues].
*/
struct _GQueue
{
GList *head;
GList *tail;
guint length;
};
/**
* G_QUEUE_INIT:
*
* A statically-allocated #GQueue must be initialized with this
* macro before it can be used. This macro can be used to initialize
* a variable, but it cannot be assigned to a variable. In that case
* you have to use g_queue_init().
*
* |[
* GQueue my_queue = G_QUEUE_INIT;
* ]|
*
* Since: 2.14
*/
#define G_QUEUE_INIT { NULL, NULL, 0 }
/* Queues
*/
GLIB_AVAILABLE_IN_ALL
GQueue* g_queue_new (void);
GLIB_AVAILABLE_IN_ALL
void g_queue_free (GQueue *queue);
GLIB_AVAILABLE_IN_ALL
void g_queue_free_full (GQueue *queue,
GDestroyNotify free_func);
GLIB_AVAILABLE_IN_ALL
void g_queue_init (GQueue *queue);
GLIB_AVAILABLE_IN_ALL
void g_queue_clear (GQueue *queue);
GLIB_AVAILABLE_IN_ALL
gboolean g_queue_is_empty (GQueue *queue);
GLIB_AVAILABLE_IN_2_60
void g_queue_clear_full (GQueue *queue,
GDestroyNotify free_func);
GLIB_AVAILABLE_IN_ALL
guint g_queue_get_length (GQueue *queue);
GLIB_AVAILABLE_IN_ALL
void g_queue_reverse (GQueue *queue);
GLIB_AVAILABLE_IN_ALL
GQueue * g_queue_copy (GQueue *queue);
GLIB_AVAILABLE_IN_ALL
void g_queue_foreach (GQueue *queue,
GFunc func,
gpointer user_data);
GLIB_AVAILABLE_IN_ALL
GList * g_queue_find (GQueue *queue,
gconstpointer data);
GLIB_AVAILABLE_IN_ALL
GList * g_queue_find_custom (GQueue *queue,
gconstpointer data,
GCompareFunc func);
GLIB_AVAILABLE_IN_ALL
void g_queue_sort (GQueue *queue,
GCompareDataFunc compare_func,
gpointer user_data);
GLIB_AVAILABLE_IN_ALL
void g_queue_push_head (GQueue *queue,
gpointer data);
GLIB_AVAILABLE_IN_ALL
void g_queue_push_tail (GQueue *queue,
gpointer data);
GLIB_AVAILABLE_IN_ALL
void g_queue_push_nth (GQueue *queue,
gpointer data,
gint n);
GLIB_AVAILABLE_IN_ALL
gpointer g_queue_pop_head (GQueue *queue);
GLIB_AVAILABLE_IN_ALL
gpointer g_queue_pop_tail (GQueue *queue);
GLIB_AVAILABLE_IN_ALL
gpointer g_queue_pop_nth (GQueue *queue,
guint n);
GLIB_AVAILABLE_IN_ALL
gpointer g_queue_peek_head (GQueue *queue);
GLIB_AVAILABLE_IN_ALL
gpointer g_queue_peek_tail (GQueue *queue);
GLIB_AVAILABLE_IN_ALL
gpointer g_queue_peek_nth (GQueue *queue,
guint n);
GLIB_AVAILABLE_IN_ALL
gint g_queue_index (GQueue *queue,
gconstpointer data);
GLIB_AVAILABLE_IN_ALL
gboolean g_queue_remove (GQueue *queue,
gconstpointer data);
GLIB_AVAILABLE_IN_ALL
guint g_queue_remove_all (GQueue *queue,
gconstpointer data);
GLIB_AVAILABLE_IN_ALL
void g_queue_insert_before (GQueue *queue,
GList *sibling,
gpointer data);
GLIB_AVAILABLE_IN_2_62
void g_queue_insert_before_link
(GQueue *queue,
GList *sibling,
GList *link_);
GLIB_AVAILABLE_IN_ALL
void g_queue_insert_after (GQueue *queue,
GList *sibling,
gpointer data);
GLIB_AVAILABLE_IN_2_62
void g_queue_insert_after_link
(GQueue *queue,
GList *sibling,
GList *link_);
GLIB_AVAILABLE_IN_ALL
void g_queue_insert_sorted (GQueue *queue,
gpointer data,
GCompareDataFunc func,
gpointer user_data);
GLIB_AVAILABLE_IN_ALL
void g_queue_push_head_link (GQueue *queue,
GList *link_);
GLIB_AVAILABLE_IN_ALL
void g_queue_push_tail_link (GQueue *queue,
GList *link_);
GLIB_AVAILABLE_IN_ALL
void g_queue_push_nth_link (GQueue *queue,
gint n,
GList *link_);
GLIB_AVAILABLE_IN_ALL
GList* g_queue_pop_head_link (GQueue *queue);
GLIB_AVAILABLE_IN_ALL
GList* g_queue_pop_tail_link (GQueue *queue);
GLIB_AVAILABLE_IN_ALL
GList* g_queue_pop_nth_link (GQueue *queue,
guint n);
GLIB_AVAILABLE_IN_ALL
GList* g_queue_peek_head_link (GQueue *queue);
GLIB_AVAILABLE_IN_ALL
GList* g_queue_peek_tail_link (GQueue *queue);
GLIB_AVAILABLE_IN_ALL
GList* g_queue_peek_nth_link (GQueue *queue,
guint n);
GLIB_AVAILABLE_IN_ALL
gint g_queue_link_index (GQueue *queue,
GList *link_);
GLIB_AVAILABLE_IN_ALL
void g_queue_unlink (GQueue *queue,
GList *link_);
GLIB_AVAILABLE_IN_ALL
void g_queue_delete_link (GQueue *queue,
GList *link_);
G_END_DECLS
#endif /* __G_QUEUE_H__ */