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0415bf9412
This is more efficient than calling g_datalist_id_remove() multiple times in a row, since it only takes the locks once. Allow up to 16 keys to be removed in one go. That is enough for the use we have in GObject, and it avoids any danger of blowing the stack.
157 lines
6.4 KiB
C
157 lines
6.4 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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* SPDX-License-Identifier: LGPL-2.1-or-later
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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_DATASET_H__
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#define __G_DATASET_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/gquark.h>
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G_BEGIN_DECLS
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typedef struct _GData GData;
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typedef void (*GDataForeachFunc) (GQuark key_id,
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gpointer data,
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gpointer user_data);
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/* Keyed Data List
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*/
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GLIB_AVAILABLE_IN_ALL
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void g_datalist_init (GData **datalist);
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GLIB_AVAILABLE_IN_ALL
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void g_datalist_clear (GData **datalist);
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GLIB_AVAILABLE_IN_ALL
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gpointer g_datalist_id_get_data (GData **datalist,
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GQuark key_id);
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GLIB_AVAILABLE_IN_ALL
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void g_datalist_id_set_data_full (GData **datalist,
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GQuark key_id,
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gpointer data,
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GDestroyNotify destroy_func);
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GLIB_AVAILABLE_IN_2_74
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void g_datalist_id_remove_multiple (GData **datalist,
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GQuark *keys,
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gsize n_keys);
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typedef gpointer (*GDuplicateFunc) (gpointer data, gpointer user_data);
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GLIB_AVAILABLE_IN_2_34
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gpointer g_datalist_id_dup_data (GData **datalist,
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GQuark key_id,
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GDuplicateFunc dup_func,
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gpointer user_data);
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GLIB_AVAILABLE_IN_2_34
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gboolean g_datalist_id_replace_data (GData **datalist,
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GQuark key_id,
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gpointer oldval,
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gpointer newval,
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GDestroyNotify destroy,
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GDestroyNotify *old_destroy);
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GLIB_AVAILABLE_IN_ALL
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gpointer g_datalist_id_remove_no_notify (GData **datalist,
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GQuark key_id);
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GLIB_AVAILABLE_IN_ALL
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void g_datalist_foreach (GData **datalist,
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GDataForeachFunc func,
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gpointer user_data);
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/**
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* G_DATALIST_FLAGS_MASK:
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*
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* A bitmask that restricts the possible flags passed to
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* g_datalist_set_flags(). Passing a flags value where
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* flags & ~G_DATALIST_FLAGS_MASK != 0 is an error.
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*/
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#define G_DATALIST_FLAGS_MASK 0x3
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GLIB_AVAILABLE_IN_ALL
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void g_datalist_set_flags (GData **datalist,
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guint flags);
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GLIB_AVAILABLE_IN_ALL
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void g_datalist_unset_flags (GData **datalist,
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guint flags);
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GLIB_AVAILABLE_IN_ALL
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guint g_datalist_get_flags (GData **datalist);
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#define g_datalist_id_set_data(dl, q, d) \
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g_datalist_id_set_data_full ((dl), (q), (d), NULL)
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#define g_datalist_id_remove_data(dl, q) \
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g_datalist_id_set_data ((dl), (q), NULL)
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#define g_datalist_set_data_full(dl, k, d, f) \
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g_datalist_id_set_data_full ((dl), g_quark_from_string (k), (d), (f))
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#define g_datalist_remove_no_notify(dl, k) \
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g_datalist_id_remove_no_notify ((dl), g_quark_try_string (k))
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#define g_datalist_set_data(dl, k, d) \
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g_datalist_set_data_full ((dl), (k), (d), NULL)
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#define g_datalist_remove_data(dl, k) \
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g_datalist_id_set_data ((dl), g_quark_try_string (k), NULL)
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/* Location Associated Keyed Data
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*/
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GLIB_AVAILABLE_IN_ALL
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void g_dataset_destroy (gconstpointer dataset_location);
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GLIB_AVAILABLE_IN_ALL
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gpointer g_dataset_id_get_data (gconstpointer dataset_location,
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GQuark key_id);
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GLIB_AVAILABLE_IN_ALL
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gpointer g_datalist_get_data (GData **datalist,
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const gchar *key);
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GLIB_AVAILABLE_IN_ALL
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void g_dataset_id_set_data_full (gconstpointer dataset_location,
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GQuark key_id,
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gpointer data,
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GDestroyNotify destroy_func);
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GLIB_AVAILABLE_IN_ALL
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gpointer g_dataset_id_remove_no_notify (gconstpointer dataset_location,
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GQuark key_id);
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GLIB_AVAILABLE_IN_ALL
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void g_dataset_foreach (gconstpointer dataset_location,
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GDataForeachFunc func,
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gpointer user_data);
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#define g_dataset_id_set_data(l, k, d) \
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g_dataset_id_set_data_full ((l), (k), (d), NULL)
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#define g_dataset_id_remove_data(l, k) \
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g_dataset_id_set_data ((l), (k), NULL)
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#define g_dataset_get_data(l, k) \
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(g_dataset_id_get_data ((l), g_quark_try_string (k)))
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#define g_dataset_set_data_full(l, k, d, f) \
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g_dataset_id_set_data_full ((l), g_quark_from_string (k), (d), (f))
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#define g_dataset_remove_no_notify(l, k) \
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g_dataset_id_remove_no_notify ((l), g_quark_try_string (k))
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#define g_dataset_set_data(l, k, d) \
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g_dataset_set_data_full ((l), (k), (d), NULL)
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#define g_dataset_remove_data(l, k) \
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g_dataset_id_set_data ((l), g_quark_try_string (k), NULL)
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G_END_DECLS
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#endif /* __G_DATASET_H__ */
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