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25a7c817d3
Add various (nullable) and (optional) annotations which were missing from a variety of functions. Also port a couple of existing (allow-none) annotations in the same files to use (nullable) and (optional) as appropriate instead. Secondly, add various (not nullable) annotations as needed by the new default in gobject-introspection of marking gpointers as (nullable). See https://bugzilla.gnome.org/show_bug.cgi?id=729660. This includes adding some stub documentation comments for the assertion macro error functions, which weren’t previously documented. The new comments are purely to allow for annotations, and hence are marked as (skip) to prevent the symbols appearing in the GIR file. https://bugzilla.gnome.org/show_bug.cgi?id=719966
123 lines
3.9 KiB
C
123 lines
3.9 KiB
C
/* GObject - GLib Type, Object, Parameter and Signal Library
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* Copyright (C) 2000-2001 Red Hat, Inc.
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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 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
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* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __G_BOXED_H__
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#define __G_BOXED_H__
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#if !defined (__GLIB_GOBJECT_H_INSIDE__) && !defined (GOBJECT_COMPILATION)
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#error "Only <glib-object.h> can be included directly."
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#endif
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#include <gobject/gtype.h>
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#ifndef __GI_SCANNER__
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#include <gobject/glib-types.h>
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#endif
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G_BEGIN_DECLS
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/* --- type macros --- */
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#define G_TYPE_IS_BOXED(type) (G_TYPE_FUNDAMENTAL (type) == G_TYPE_BOXED)
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/**
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* G_VALUE_HOLDS_BOXED:
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* @value: a valid #GValue structure
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*
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* Checks whether the given #GValue can hold values derived
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* from type %G_TYPE_BOXED.
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*
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* Returns: %TRUE on success.
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*/
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#define G_VALUE_HOLDS_BOXED(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_BOXED))
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/* --- typedefs --- */
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/**
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* GBoxedCopyFunc:
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* @boxed: (not nullable): The boxed structure to be copied.
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*
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* This function is provided by the user and should produce a copy
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* of the passed in boxed structure.
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*
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* Returns: (not nullable): The newly created copy of the boxed structure.
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*/
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typedef gpointer (*GBoxedCopyFunc) (gpointer boxed);
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/**
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* GBoxedFreeFunc:
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* @boxed: (not nullable): The boxed structure to be freed.
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*
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* This function is provided by the user and should free the boxed
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* structure passed.
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*/
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typedef void (*GBoxedFreeFunc) (gpointer boxed);
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/* --- prototypes --- */
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GLIB_AVAILABLE_IN_ALL
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gpointer g_boxed_copy (GType boxed_type,
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gconstpointer src_boxed);
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GLIB_AVAILABLE_IN_ALL
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void g_boxed_free (GType boxed_type,
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gpointer boxed);
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GLIB_AVAILABLE_IN_ALL
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void g_value_set_boxed (GValue *value,
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gconstpointer v_boxed);
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GLIB_AVAILABLE_IN_ALL
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void g_value_set_static_boxed (GValue *value,
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gconstpointer v_boxed);
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GLIB_AVAILABLE_IN_ALL
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void g_value_take_boxed (GValue *value,
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gconstpointer v_boxed);
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GLIB_DEPRECATED_FOR(g_value_take_boxed)
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void g_value_set_boxed_take_ownership (GValue *value,
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gconstpointer v_boxed);
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GLIB_AVAILABLE_IN_ALL
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gpointer g_value_get_boxed (const GValue *value);
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GLIB_AVAILABLE_IN_ALL
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gpointer g_value_dup_boxed (const GValue *value);
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/* --- convenience --- */
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GLIB_AVAILABLE_IN_ALL
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GType g_boxed_type_register_static (const gchar *name,
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GBoxedCopyFunc boxed_copy,
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GBoxedFreeFunc boxed_free);
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/* --- GObject boxed types --- */
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/**
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* G_TYPE_CLOSURE:
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*
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* The #GType for #GClosure.
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*/
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#define G_TYPE_CLOSURE (g_closure_get_type ())
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/**
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* G_TYPE_VALUE:
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*
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* The type ID of the "GValue" type which is a boxed type,
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* used to pass around pointers to GValues.
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*/
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#define G_TYPE_VALUE (g_value_get_type ())
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GLIB_AVAILABLE_IN_ALL
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GType g_closure_get_type (void) G_GNUC_CONST;
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GLIB_AVAILABLE_IN_ALL
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GType g_value_get_type (void) G_GNUC_CONST;
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G_END_DECLS
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#endif /* __G_BOXED_H__ */
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