mirror of
https://gitlab.gnome.org/GNOME/glib.git
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25c2266a33
The token parsing done by g_variant_parse() uses recursive function
calls, so at some point it will hit the stack limit. As with previous
changes to `GVariantType` parsing (commit 7c4e6e9fbe), limit the level
of nesting of containers parsed by g_variant_parse() to something
reasonable. We guarantee 64 levels of nesting, which should be enough
for anyone, and is the same as what we guarantee for types.
oss-fuzz#10286
Signed-off-by: Philip Withnall <withnall@endlessm.com>
523 lines
29 KiB
C
523 lines
29 KiB
C
/*
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* Copyright © 2007, 2008 Ryan Lortie
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* Copyright © 2009, 2010 Codethink Limited
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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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* Author: Ryan Lortie <desrt@desrt.ca>
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*/
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#ifndef __G_VARIANT_H__
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#define __G_VARIANT_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/gvarianttype.h>
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#include <glib/gstring.h>
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#include <glib/gbytes.h>
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G_BEGIN_DECLS
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typedef struct _GVariant GVariant;
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typedef enum
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{
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G_VARIANT_CLASS_BOOLEAN = 'b',
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G_VARIANT_CLASS_BYTE = 'y',
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G_VARIANT_CLASS_INT16 = 'n',
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G_VARIANT_CLASS_UINT16 = 'q',
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G_VARIANT_CLASS_INT32 = 'i',
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G_VARIANT_CLASS_UINT32 = 'u',
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G_VARIANT_CLASS_INT64 = 'x',
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G_VARIANT_CLASS_UINT64 = 't',
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G_VARIANT_CLASS_HANDLE = 'h',
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G_VARIANT_CLASS_DOUBLE = 'd',
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G_VARIANT_CLASS_STRING = 's',
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G_VARIANT_CLASS_OBJECT_PATH = 'o',
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G_VARIANT_CLASS_SIGNATURE = 'g',
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G_VARIANT_CLASS_VARIANT = 'v',
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G_VARIANT_CLASS_MAYBE = 'm',
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G_VARIANT_CLASS_ARRAY = 'a',
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G_VARIANT_CLASS_TUPLE = '(',
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G_VARIANT_CLASS_DICT_ENTRY = '{'
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} GVariantClass;
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GLIB_AVAILABLE_IN_ALL
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void g_variant_unref (GVariant *value);
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GLIB_AVAILABLE_IN_ALL
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GVariant * g_variant_ref (GVariant *value);
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GLIB_AVAILABLE_IN_ALL
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GVariant * g_variant_ref_sink (GVariant *value);
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GLIB_AVAILABLE_IN_ALL
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gboolean g_variant_is_floating (GVariant *value);
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GLIB_AVAILABLE_IN_ALL
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GVariant * g_variant_take_ref (GVariant *value);
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GLIB_AVAILABLE_IN_ALL
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const GVariantType * g_variant_get_type (GVariant *value);
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GLIB_AVAILABLE_IN_ALL
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const gchar * g_variant_get_type_string (GVariant *value);
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GLIB_AVAILABLE_IN_ALL
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gboolean g_variant_is_of_type (GVariant *value,
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const GVariantType *type);
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GLIB_AVAILABLE_IN_ALL
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gboolean g_variant_is_container (GVariant *value);
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GLIB_AVAILABLE_IN_ALL
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GVariantClass g_variant_classify (GVariant *value);
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GLIB_AVAILABLE_IN_ALL
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GVariant * g_variant_new_boolean (gboolean value);
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GLIB_AVAILABLE_IN_ALL
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GVariant * g_variant_new_byte (guint8 value);
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GLIB_AVAILABLE_IN_ALL
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GVariant * g_variant_new_int16 (gint16 value);
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GLIB_AVAILABLE_IN_ALL
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GVariant * g_variant_new_uint16 (guint16 value);
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GLIB_AVAILABLE_IN_ALL
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GVariant * g_variant_new_int32 (gint32 value);
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GLIB_AVAILABLE_IN_ALL
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GVariant * g_variant_new_uint32 (guint32 value);
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GLIB_AVAILABLE_IN_ALL
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GVariant * g_variant_new_int64 (gint64 value);
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GLIB_AVAILABLE_IN_ALL
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GVariant * g_variant_new_uint64 (guint64 value);
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GLIB_AVAILABLE_IN_ALL
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GVariant * g_variant_new_handle (gint32 value);
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GLIB_AVAILABLE_IN_ALL
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GVariant * g_variant_new_double (gdouble value);
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GLIB_AVAILABLE_IN_ALL
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GVariant * g_variant_new_string (const gchar *string);
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GLIB_AVAILABLE_IN_2_38
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GVariant * g_variant_new_take_string (gchar *string);
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GLIB_AVAILABLE_IN_2_38
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GVariant * g_variant_new_printf (const gchar *format_string,
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...) G_GNUC_PRINTF (1, 2);
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GLIB_AVAILABLE_IN_ALL
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GVariant * g_variant_new_object_path (const gchar *object_path);
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GLIB_AVAILABLE_IN_ALL
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gboolean g_variant_is_object_path (const gchar *string);
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GLIB_AVAILABLE_IN_ALL
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GVariant * g_variant_new_signature (const gchar *signature);
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GLIB_AVAILABLE_IN_ALL
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gboolean g_variant_is_signature (const gchar *string);
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GLIB_AVAILABLE_IN_ALL
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GVariant * g_variant_new_variant (GVariant *value);
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GLIB_AVAILABLE_IN_ALL
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GVariant * g_variant_new_strv (const gchar * const *strv,
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gssize length);
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GLIB_AVAILABLE_IN_2_30
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GVariant * g_variant_new_objv (const gchar * const *strv,
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gssize length);
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GLIB_AVAILABLE_IN_ALL
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GVariant * g_variant_new_bytestring (const gchar *string);
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GLIB_AVAILABLE_IN_ALL
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GVariant * g_variant_new_bytestring_array (const gchar * const *strv,
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gssize length);
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GLIB_AVAILABLE_IN_ALL
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GVariant * g_variant_new_fixed_array (const GVariantType *element_type,
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gconstpointer elements,
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gsize n_elements,
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gsize element_size);
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GLIB_AVAILABLE_IN_ALL
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gboolean g_variant_get_boolean (GVariant *value);
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GLIB_AVAILABLE_IN_ALL
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guint8 g_variant_get_byte (GVariant *value);
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GLIB_AVAILABLE_IN_ALL
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gint16 g_variant_get_int16 (GVariant *value);
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GLIB_AVAILABLE_IN_ALL
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guint16 g_variant_get_uint16 (GVariant *value);
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GLIB_AVAILABLE_IN_ALL
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gint32 g_variant_get_int32 (GVariant *value);
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GLIB_AVAILABLE_IN_ALL
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guint32 g_variant_get_uint32 (GVariant *value);
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GLIB_AVAILABLE_IN_ALL
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gint64 g_variant_get_int64 (GVariant *value);
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GLIB_AVAILABLE_IN_ALL
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guint64 g_variant_get_uint64 (GVariant *value);
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GLIB_AVAILABLE_IN_ALL
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gint32 g_variant_get_handle (GVariant *value);
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GLIB_AVAILABLE_IN_ALL
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gdouble g_variant_get_double (GVariant *value);
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GLIB_AVAILABLE_IN_ALL
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GVariant * g_variant_get_variant (GVariant *value);
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GLIB_AVAILABLE_IN_ALL
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const gchar * g_variant_get_string (GVariant *value,
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gsize *length);
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GLIB_AVAILABLE_IN_ALL
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gchar * g_variant_dup_string (GVariant *value,
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gsize *length);
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GLIB_AVAILABLE_IN_ALL
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const gchar ** g_variant_get_strv (GVariant *value,
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gsize *length);
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GLIB_AVAILABLE_IN_ALL
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gchar ** g_variant_dup_strv (GVariant *value,
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gsize *length);
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GLIB_AVAILABLE_IN_2_30
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const gchar ** g_variant_get_objv (GVariant *value,
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gsize *length);
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GLIB_AVAILABLE_IN_ALL
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gchar ** g_variant_dup_objv (GVariant *value,
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gsize *length);
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GLIB_AVAILABLE_IN_ALL
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const gchar * g_variant_get_bytestring (GVariant *value);
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GLIB_AVAILABLE_IN_ALL
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gchar * g_variant_dup_bytestring (GVariant *value,
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gsize *length);
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GLIB_AVAILABLE_IN_ALL
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const gchar ** g_variant_get_bytestring_array (GVariant *value,
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gsize *length);
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GLIB_AVAILABLE_IN_ALL
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gchar ** g_variant_dup_bytestring_array (GVariant *value,
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gsize *length);
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GLIB_AVAILABLE_IN_ALL
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GVariant * g_variant_new_maybe (const GVariantType *child_type,
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GVariant *child);
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GLIB_AVAILABLE_IN_ALL
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GVariant * g_variant_new_array (const GVariantType *child_type,
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GVariant * const *children,
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gsize n_children);
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GLIB_AVAILABLE_IN_ALL
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GVariant * g_variant_new_tuple (GVariant * const *children,
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gsize n_children);
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GLIB_AVAILABLE_IN_ALL
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GVariant * g_variant_new_dict_entry (GVariant *key,
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GVariant *value);
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GLIB_AVAILABLE_IN_ALL
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GVariant * g_variant_get_maybe (GVariant *value);
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GLIB_AVAILABLE_IN_ALL
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gsize g_variant_n_children (GVariant *value);
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GLIB_AVAILABLE_IN_ALL
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void g_variant_get_child (GVariant *value,
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gsize index_,
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const gchar *format_string,
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...);
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GLIB_AVAILABLE_IN_ALL
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GVariant * g_variant_get_child_value (GVariant *value,
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gsize index_);
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GLIB_AVAILABLE_IN_ALL
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gboolean g_variant_lookup (GVariant *dictionary,
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const gchar *key,
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const gchar *format_string,
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...);
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GLIB_AVAILABLE_IN_ALL
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GVariant * g_variant_lookup_value (GVariant *dictionary,
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const gchar *key,
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const GVariantType *expected_type);
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GLIB_AVAILABLE_IN_ALL
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gconstpointer g_variant_get_fixed_array (GVariant *value,
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gsize *n_elements,
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gsize element_size);
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GLIB_AVAILABLE_IN_ALL
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gsize g_variant_get_size (GVariant *value);
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GLIB_AVAILABLE_IN_ALL
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gconstpointer g_variant_get_data (GVariant *value);
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GLIB_AVAILABLE_IN_2_36
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GBytes * g_variant_get_data_as_bytes (GVariant *value);
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GLIB_AVAILABLE_IN_ALL
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void g_variant_store (GVariant *value,
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gpointer data);
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GLIB_AVAILABLE_IN_ALL
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gchar * g_variant_print (GVariant *value,
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gboolean type_annotate);
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GLIB_AVAILABLE_IN_ALL
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GString * g_variant_print_string (GVariant *value,
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GString *string,
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gboolean type_annotate);
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GLIB_AVAILABLE_IN_ALL
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guint g_variant_hash (gconstpointer value);
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GLIB_AVAILABLE_IN_ALL
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gboolean g_variant_equal (gconstpointer one,
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gconstpointer two);
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GLIB_AVAILABLE_IN_ALL
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GVariant * g_variant_get_normal_form (GVariant *value);
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GLIB_AVAILABLE_IN_ALL
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gboolean g_variant_is_normal_form (GVariant *value);
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GLIB_AVAILABLE_IN_ALL
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GVariant * g_variant_byteswap (GVariant *value);
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GLIB_AVAILABLE_IN_2_36
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GVariant * g_variant_new_from_bytes (const GVariantType *type,
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GBytes *bytes,
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gboolean trusted);
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GLIB_AVAILABLE_IN_ALL
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GVariant * g_variant_new_from_data (const GVariantType *type,
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gconstpointer data,
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gsize size,
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gboolean trusted,
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GDestroyNotify notify,
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gpointer user_data);
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typedef struct _GVariantIter GVariantIter;
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struct _GVariantIter {
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/*< private >*/
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gsize x[16];
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};
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GLIB_AVAILABLE_IN_ALL
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GVariantIter * g_variant_iter_new (GVariant *value);
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GLIB_AVAILABLE_IN_ALL
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gsize g_variant_iter_init (GVariantIter *iter,
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GVariant *value);
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GLIB_AVAILABLE_IN_ALL
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GVariantIter * g_variant_iter_copy (GVariantIter *iter);
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GLIB_AVAILABLE_IN_ALL
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gsize g_variant_iter_n_children (GVariantIter *iter);
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GLIB_AVAILABLE_IN_ALL
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void g_variant_iter_free (GVariantIter *iter);
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GLIB_AVAILABLE_IN_ALL
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GVariant * g_variant_iter_next_value (GVariantIter *iter);
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GLIB_AVAILABLE_IN_ALL
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gboolean g_variant_iter_next (GVariantIter *iter,
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const gchar *format_string,
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...);
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GLIB_AVAILABLE_IN_ALL
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gboolean g_variant_iter_loop (GVariantIter *iter,
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const gchar *format_string,
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...);
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typedef struct _GVariantBuilder GVariantBuilder;
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struct _GVariantBuilder {
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/*< private >*/
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union
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{
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struct {
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gsize partial_magic;
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const GVariantType *type;
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gsize y[14];
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} s;
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gsize x[16];
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} u;
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};
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typedef enum
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{
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G_VARIANT_PARSE_ERROR_FAILED,
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G_VARIANT_PARSE_ERROR_BASIC_TYPE_EXPECTED,
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G_VARIANT_PARSE_ERROR_CANNOT_INFER_TYPE,
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G_VARIANT_PARSE_ERROR_DEFINITE_TYPE_EXPECTED,
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G_VARIANT_PARSE_ERROR_INPUT_NOT_AT_END,
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G_VARIANT_PARSE_ERROR_INVALID_CHARACTER,
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G_VARIANT_PARSE_ERROR_INVALID_FORMAT_STRING,
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G_VARIANT_PARSE_ERROR_INVALID_OBJECT_PATH,
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G_VARIANT_PARSE_ERROR_INVALID_SIGNATURE,
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G_VARIANT_PARSE_ERROR_INVALID_TYPE_STRING,
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G_VARIANT_PARSE_ERROR_NO_COMMON_TYPE,
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G_VARIANT_PARSE_ERROR_NUMBER_OUT_OF_RANGE,
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G_VARIANT_PARSE_ERROR_NUMBER_TOO_BIG,
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G_VARIANT_PARSE_ERROR_TYPE_ERROR,
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G_VARIANT_PARSE_ERROR_UNEXPECTED_TOKEN,
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G_VARIANT_PARSE_ERROR_UNKNOWN_KEYWORD,
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G_VARIANT_PARSE_ERROR_UNTERMINATED_STRING_CONSTANT,
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G_VARIANT_PARSE_ERROR_VALUE_EXPECTED,
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G_VARIANT_PARSE_ERROR_RECURSION
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} GVariantParseError;
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#define G_VARIANT_PARSE_ERROR (g_variant_parse_error_quark ())
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GLIB_DEPRECATED_IN_2_38_FOR(g_variant_parse_error_quark)
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GQuark g_variant_parser_get_error_quark (void);
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GLIB_AVAILABLE_IN_ALL
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GQuark g_variant_parse_error_quark (void);
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/**
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* G_VARIANT_BUILDER_INIT:
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* @variant_type: a const GVariantType*
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*
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* A stack-allocated #GVariantBuilder must be initialized if it is
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* used together with g_auto() to avoid warnings or crashes if
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* function returns before g_variant_builder_init() is called on the
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* builder. This macro can be used as initializer instead of an
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* explicit zeroing a variable when declaring it and a following
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* g_variant_builder_init(), but it cannot be assigned to a variable.
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*
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* The passed @variant_type should be a static GVariantType to avoid
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* lifetime issues, as copying the @variant_type does not happen in
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* the G_VARIANT_BUILDER_INIT() call, but rather in functions that
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* make sure that #GVariantBuilder is valid.
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*
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* |[
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* g_auto(GVariantBuilder) builder = G_VARIANT_BUILDER_INIT (G_VARIANT_TYPE_BYTESTRING);
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* ]|
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*
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* Since: 2.50
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*/
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#define G_VARIANT_BUILDER_INIT(variant_type) { { { 2942751021u, variant_type, { 0, } } } }
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GLIB_AVAILABLE_IN_ALL
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GVariantBuilder * g_variant_builder_new (const GVariantType *type);
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GLIB_AVAILABLE_IN_ALL
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void g_variant_builder_unref (GVariantBuilder *builder);
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GLIB_AVAILABLE_IN_ALL
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GVariantBuilder * g_variant_builder_ref (GVariantBuilder *builder);
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GLIB_AVAILABLE_IN_ALL
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void g_variant_builder_init (GVariantBuilder *builder,
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const GVariantType *type);
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GLIB_AVAILABLE_IN_ALL
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GVariant * g_variant_builder_end (GVariantBuilder *builder);
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GLIB_AVAILABLE_IN_ALL
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void g_variant_builder_clear (GVariantBuilder *builder);
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GLIB_AVAILABLE_IN_ALL
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void g_variant_builder_open (GVariantBuilder *builder,
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const GVariantType *type);
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GLIB_AVAILABLE_IN_ALL
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void g_variant_builder_close (GVariantBuilder *builder);
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GLIB_AVAILABLE_IN_ALL
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void g_variant_builder_add_value (GVariantBuilder *builder,
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GVariant *value);
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GLIB_AVAILABLE_IN_ALL
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void g_variant_builder_add (GVariantBuilder *builder,
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const gchar *format_string,
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...);
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GLIB_AVAILABLE_IN_ALL
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void g_variant_builder_add_parsed (GVariantBuilder *builder,
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const gchar *format,
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...);
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GLIB_AVAILABLE_IN_ALL
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GVariant * g_variant_new (const gchar *format_string,
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...);
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GLIB_AVAILABLE_IN_ALL
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void g_variant_get (GVariant *value,
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const gchar *format_string,
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...);
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GLIB_AVAILABLE_IN_ALL
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GVariant * g_variant_new_va (const gchar *format_string,
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const gchar **endptr,
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va_list *app);
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GLIB_AVAILABLE_IN_ALL
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void g_variant_get_va (GVariant *value,
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const gchar *format_string,
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const gchar **endptr,
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va_list *app);
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GLIB_AVAILABLE_IN_2_34
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gboolean g_variant_check_format_string (GVariant *value,
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const gchar *format_string,
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gboolean copy_only);
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GLIB_AVAILABLE_IN_ALL
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GVariant * g_variant_parse (const GVariantType *type,
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const gchar *text,
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const gchar *limit,
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const gchar **endptr,
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GError **error);
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GLIB_AVAILABLE_IN_ALL
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GVariant * g_variant_new_parsed (const gchar *format,
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...);
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GLIB_AVAILABLE_IN_ALL
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GVariant * g_variant_new_parsed_va (const gchar *format,
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va_list *app);
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GLIB_AVAILABLE_IN_2_40
|
|
gchar * g_variant_parse_error_print_context (GError *error,
|
|
const gchar *source_str);
|
|
|
|
GLIB_AVAILABLE_IN_ALL
|
|
gint g_variant_compare (gconstpointer one,
|
|
gconstpointer two);
|
|
|
|
typedef struct _GVariantDict GVariantDict;
|
|
struct _GVariantDict {
|
|
/*< private >*/
|
|
union
|
|
{
|
|
struct {
|
|
GVariant *asv;
|
|
gsize partial_magic;
|
|
gsize y[14];
|
|
} s;
|
|
gsize x[16];
|
|
} u;
|
|
};
|
|
|
|
/**
|
|
* G_VARIANT_DICT_INIT:
|
|
* @asv: (nullable): a GVariant*
|
|
*
|
|
* A stack-allocated #GVariantDict must be initialized if it is used
|
|
* together with g_auto() to avoid warnings or crashes if function
|
|
* returns before g_variant_dict_init() is called on the builder.
|
|
* This macro can be used as initializer instead of an explicit
|
|
* zeroing a variable when declaring it and a following
|
|
* g_variant_dict_init(), but it cannot be assigned to a variable.
|
|
*
|
|
* The passed @asv has to live long enough for #GVariantDict to gather
|
|
* the entries from, as the gathering does not happen in the
|
|
* G_VARIANT_DICT_INIT() call, but rather in functions that make sure
|
|
* that #GVariantDict is valid. In context where the initialization
|
|
* value has to be a constant expression, the only possible value of
|
|
* @asv is %NULL. It is still possible to call g_variant_dict_init()
|
|
* safely with a different @asv right after the variable was
|
|
* initialized with G_VARIANT_DICT_INIT().
|
|
*
|
|
* |[
|
|
* g_autoptr(GVariant) variant = get_asv_variant ();
|
|
* g_auto(GVariantDict) dict = G_VARIANT_DICT_INIT (variant);
|
|
* ]|
|
|
*
|
|
* Since: 2.50
|
|
*/
|
|
#define G_VARIANT_DICT_INIT(asv) { { { asv, 3488698669u, { 0, } } } }
|
|
|
|
GLIB_AVAILABLE_IN_2_40
|
|
GVariantDict * g_variant_dict_new (GVariant *from_asv);
|
|
|
|
GLIB_AVAILABLE_IN_2_40
|
|
void g_variant_dict_init (GVariantDict *dict,
|
|
GVariant *from_asv);
|
|
|
|
GLIB_AVAILABLE_IN_2_40
|
|
gboolean g_variant_dict_lookup (GVariantDict *dict,
|
|
const gchar *key,
|
|
const gchar *format_string,
|
|
...);
|
|
GLIB_AVAILABLE_IN_2_40
|
|
GVariant * g_variant_dict_lookup_value (GVariantDict *dict,
|
|
const gchar *key,
|
|
const GVariantType *expected_type);
|
|
GLIB_AVAILABLE_IN_2_40
|
|
gboolean g_variant_dict_contains (GVariantDict *dict,
|
|
const gchar *key);
|
|
GLIB_AVAILABLE_IN_2_40
|
|
void g_variant_dict_insert (GVariantDict *dict,
|
|
const gchar *key,
|
|
const gchar *format_string,
|
|
...);
|
|
GLIB_AVAILABLE_IN_2_40
|
|
void g_variant_dict_insert_value (GVariantDict *dict,
|
|
const gchar *key,
|
|
GVariant *value);
|
|
GLIB_AVAILABLE_IN_2_40
|
|
gboolean g_variant_dict_remove (GVariantDict *dict,
|
|
const gchar *key);
|
|
GLIB_AVAILABLE_IN_2_40
|
|
void g_variant_dict_clear (GVariantDict *dict);
|
|
GLIB_AVAILABLE_IN_2_40
|
|
GVariant * g_variant_dict_end (GVariantDict *dict);
|
|
GLIB_AVAILABLE_IN_2_40
|
|
GVariantDict * g_variant_dict_ref (GVariantDict *dict);
|
|
GLIB_AVAILABLE_IN_2_40
|
|
void g_variant_dict_unref (GVariantDict *dict);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __G_VARIANT_H__ */
|