mirror of
https://gitlab.gnome.org/GNOME/glib.git
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58ba7d78fb
Although not quite as often-occurring, this should help with constructs
like this:
if (list)
{
g_list_free_full (list, foo);
list = NULL;
}
Closes https://gitlab.gnome.org/GNOME/glib/issues/1943
178 lines
6.8 KiB
C
178 lines
6.8 KiB
C
/* GLIB - Library of useful routines for C programming
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* Modified by the GLib Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GLib Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GLib at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#ifndef __G_LIST_H__
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#define __G_LIST_H__
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#if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
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#error "Only <glib.h> can be included directly."
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#endif
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#include <glib/gmem.h>
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#include <glib/gnode.h>
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G_BEGIN_DECLS
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typedef struct _GList GList;
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struct _GList
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{
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gpointer data;
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GList *next;
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GList *prev;
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};
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/* Doubly linked lists
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*/
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GLIB_AVAILABLE_IN_ALL
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GList* g_list_alloc (void) G_GNUC_WARN_UNUSED_RESULT;
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GLIB_AVAILABLE_IN_ALL
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void g_list_free (GList *list);
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GLIB_AVAILABLE_IN_ALL
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void g_list_free_1 (GList *list);
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#define g_list_free1 g_list_free_1
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GLIB_AVAILABLE_IN_ALL
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void g_list_free_full (GList *list,
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GDestroyNotify free_func);
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GLIB_AVAILABLE_IN_ALL
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GList* g_list_append (GList *list,
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gpointer data) G_GNUC_WARN_UNUSED_RESULT;
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GLIB_AVAILABLE_IN_ALL
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GList* g_list_prepend (GList *list,
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gpointer data) G_GNUC_WARN_UNUSED_RESULT;
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GLIB_AVAILABLE_IN_ALL
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GList* g_list_insert (GList *list,
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gpointer data,
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gint position) G_GNUC_WARN_UNUSED_RESULT;
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GLIB_AVAILABLE_IN_ALL
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GList* g_list_insert_sorted (GList *list,
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gpointer data,
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GCompareFunc func) G_GNUC_WARN_UNUSED_RESULT;
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GLIB_AVAILABLE_IN_ALL
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GList* g_list_insert_sorted_with_data (GList *list,
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gpointer data,
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GCompareDataFunc func,
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gpointer user_data) G_GNUC_WARN_UNUSED_RESULT;
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GLIB_AVAILABLE_IN_ALL
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GList* g_list_insert_before (GList *list,
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GList *sibling,
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gpointer data) G_GNUC_WARN_UNUSED_RESULT;
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GLIB_AVAILABLE_IN_2_62
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GList* g_list_insert_before_link (GList *list,
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GList *sibling,
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GList *link_) G_GNUC_WARN_UNUSED_RESULT;
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GLIB_AVAILABLE_IN_ALL
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GList* g_list_concat (GList *list1,
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GList *list2) G_GNUC_WARN_UNUSED_RESULT;
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GLIB_AVAILABLE_IN_ALL
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GList* g_list_remove (GList *list,
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gconstpointer data) G_GNUC_WARN_UNUSED_RESULT;
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GLIB_AVAILABLE_IN_ALL
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GList* g_list_remove_all (GList *list,
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gconstpointer data) G_GNUC_WARN_UNUSED_RESULT;
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GLIB_AVAILABLE_IN_ALL
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GList* g_list_remove_link (GList *list,
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GList *llink) G_GNUC_WARN_UNUSED_RESULT;
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GLIB_AVAILABLE_IN_ALL
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GList* g_list_delete_link (GList *list,
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GList *link_) G_GNUC_WARN_UNUSED_RESULT;
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GLIB_AVAILABLE_IN_ALL
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GList* g_list_reverse (GList *list) G_GNUC_WARN_UNUSED_RESULT;
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GLIB_AVAILABLE_IN_ALL
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GList* g_list_copy (GList *list) G_GNUC_WARN_UNUSED_RESULT;
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GLIB_AVAILABLE_IN_2_34
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GList* g_list_copy_deep (GList *list,
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GCopyFunc func,
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gpointer user_data) G_GNUC_WARN_UNUSED_RESULT;
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GLIB_AVAILABLE_IN_ALL
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GList* g_list_nth (GList *list,
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guint n);
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GLIB_AVAILABLE_IN_ALL
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GList* g_list_nth_prev (GList *list,
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guint n);
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GLIB_AVAILABLE_IN_ALL
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GList* g_list_find (GList *list,
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gconstpointer data);
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GLIB_AVAILABLE_IN_ALL
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GList* g_list_find_custom (GList *list,
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gconstpointer data,
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GCompareFunc func);
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GLIB_AVAILABLE_IN_ALL
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gint g_list_position (GList *list,
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GList *llink);
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GLIB_AVAILABLE_IN_ALL
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gint g_list_index (GList *list,
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gconstpointer data);
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GLIB_AVAILABLE_IN_ALL
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GList* g_list_last (GList *list);
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GLIB_AVAILABLE_IN_ALL
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GList* g_list_first (GList *list);
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GLIB_AVAILABLE_IN_ALL
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guint g_list_length (GList *list);
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GLIB_AVAILABLE_IN_ALL
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void g_list_foreach (GList *list,
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GFunc func,
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gpointer user_data);
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GLIB_AVAILABLE_IN_ALL
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GList* g_list_sort (GList *list,
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GCompareFunc compare_func) G_GNUC_WARN_UNUSED_RESULT;
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GLIB_AVAILABLE_IN_ALL
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GList* g_list_sort_with_data (GList *list,
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GCompareDataFunc compare_func,
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gpointer user_data) G_GNUC_WARN_UNUSED_RESULT;
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GLIB_AVAILABLE_IN_ALL
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gpointer g_list_nth_data (GList *list,
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guint n);
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GLIB_AVAILABLE_IN_2_64
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void g_clear_list (GList **list_ptr,
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GDestroyNotify destroy);
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#define g_clear_list(list_ptr, destroy) \
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G_STMT_START { \
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GList *_list; \
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\
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_list = *(list_ptr); \
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if (_list) \
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{ \
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*list_ptr = NULL; \
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\
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if ((destroy) != NULL) \
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g_list_free_full (_list, (destroy)); \
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else \
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g_list_free (_list); \
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} \
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} G_STMT_END \
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GLIB_AVAILABLE_MACRO_IN_2_64
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#define g_list_previous(list) ((list) ? (((GList *)(list))->prev) : NULL)
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#define g_list_next(list) ((list) ? (((GList *)(list))->next) : NULL)
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G_END_DECLS
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#endif /* __G_LIST_H__ */
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