/usr/include/glib-2.0/glib/gvarianttype.h is in libglib2.0-dev 2.56.1-2ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright © 2007, 2008 Ryan Lortie
* Copyright © 2009, 2010 Codethink Limited
*
* 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/>.
*
* Author: Ryan Lortie <desrt@desrt.ca>
*/
#ifndef __G_VARIANT_TYPE_H__
#define __G_VARIANT_TYPE_H__
#if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
#error "Only <glib.h> can be included directly."
#endif
#include <glib/gtypes.h>
G_BEGIN_DECLS
/**
* GVariantType:
*
* A type in the GVariant type system.
*
* Two types may not be compared by value; use g_variant_type_equal() or
* g_variant_type_is_subtype_of(). May be copied using
* g_variant_type_copy() and freed using g_variant_type_free().
**/
typedef struct _GVariantType GVariantType;
/**
* G_VARIANT_TYPE_BOOLEAN:
*
* The type of a value that can be either %TRUE or %FALSE.
**/
#define G_VARIANT_TYPE_BOOLEAN ((const GVariantType *) "b")
/**
* G_VARIANT_TYPE_BYTE:
*
* The type of an integer value that can range from 0 to 255.
**/
#define G_VARIANT_TYPE_BYTE ((const GVariantType *) "y")
/**
* G_VARIANT_TYPE_INT16:
*
* The type of an integer value that can range from -32768 to 32767.
**/
#define G_VARIANT_TYPE_INT16 ((const GVariantType *) "n")
/**
* G_VARIANT_TYPE_UINT16:
*
* The type of an integer value that can range from 0 to 65535.
* There were about this many people living in Toronto in the 1870s.
**/
#define G_VARIANT_TYPE_UINT16 ((const GVariantType *) "q")
/**
* G_VARIANT_TYPE_INT32:
*
* The type of an integer value that can range from -2147483648 to
* 2147483647.
**/
#define G_VARIANT_TYPE_INT32 ((const GVariantType *) "i")
/**
* G_VARIANT_TYPE_UINT32:
*
* The type of an integer value that can range from 0 to 4294967295.
* That's one number for everyone who was around in the late 1970s.
**/
#define G_VARIANT_TYPE_UINT32 ((const GVariantType *) "u")
/**
* G_VARIANT_TYPE_INT64:
*
* The type of an integer value that can range from
* -9223372036854775808 to 9223372036854775807.
**/
#define G_VARIANT_TYPE_INT64 ((const GVariantType *) "x")
/**
* G_VARIANT_TYPE_UINT64:
*
* The type of an integer value that can range from 0
* to 18446744073709551615 (inclusive). That's a really big number,
* but a Rubik's cube can have a bit more than twice as many possible
* positions.
**/
#define G_VARIANT_TYPE_UINT64 ((const GVariantType *) "t")
/**
* G_VARIANT_TYPE_DOUBLE:
*
* The type of a double precision IEEE754 floating point number.
* These guys go up to about 1.80e308 (plus and minus) but miss out on
* some numbers in between. In any case, that's far greater than the
* estimated number of fundamental particles in the observable
* universe.
**/
#define G_VARIANT_TYPE_DOUBLE ((const GVariantType *) "d")
/**
* G_VARIANT_TYPE_STRING:
*
* The type of a string. "" is a string. %NULL is not a string.
**/
#define G_VARIANT_TYPE_STRING ((const GVariantType *) "s")
/**
* G_VARIANT_TYPE_OBJECT_PATH:
*
* The type of a D-Bus object reference. These are strings of a
* specific format used to identify objects at a given destination on
* the bus.
*
* If you are not interacting with D-Bus, then there is no reason to make
* use of this type. If you are, then the D-Bus specification contains a
* precise description of valid object paths.
**/
#define G_VARIANT_TYPE_OBJECT_PATH ((const GVariantType *) "o")
/**
* G_VARIANT_TYPE_SIGNATURE:
*
* The type of a D-Bus type signature. These are strings of a specific
* format used as type signatures for D-Bus methods and messages.
*
* If you are not interacting with D-Bus, then there is no reason to make
* use of this type. If you are, then the D-Bus specification contains a
* precise description of valid signature strings.
**/
#define G_VARIANT_TYPE_SIGNATURE ((const GVariantType *) "g")
/**
* G_VARIANT_TYPE_VARIANT:
*
* The type of a box that contains any other value (including another
* variant).
**/
#define G_VARIANT_TYPE_VARIANT ((const GVariantType *) "v")
/**
* G_VARIANT_TYPE_HANDLE:
*
* The type of a 32bit signed integer value, that by convention, is used
* as an index into an array of file descriptors that are sent alongside
* a D-Bus message.
*
* If you are not interacting with D-Bus, then there is no reason to make
* use of this type.
**/
#define G_VARIANT_TYPE_HANDLE ((const GVariantType *) "h")
/**
* G_VARIANT_TYPE_UNIT:
*
* The empty tuple type. Has only one instance. Known also as "triv"
* or "void".
**/
#define G_VARIANT_TYPE_UNIT ((const GVariantType *) "()")
/**
* G_VARIANT_TYPE_ANY:
*
* An indefinite type that is a supertype of every type (including
* itself).
**/
#define G_VARIANT_TYPE_ANY ((const GVariantType *) "*")
/**
* G_VARIANT_TYPE_BASIC:
*
* An indefinite type that is a supertype of every basic (ie:
* non-container) type.
**/
#define G_VARIANT_TYPE_BASIC ((const GVariantType *) "?")
/**
* G_VARIANT_TYPE_MAYBE:
*
* An indefinite type that is a supertype of every maybe type.
**/
#define G_VARIANT_TYPE_MAYBE ((const GVariantType *) "m*")
/**
* G_VARIANT_TYPE_ARRAY:
*
* An indefinite type that is a supertype of every array type.
**/
#define G_VARIANT_TYPE_ARRAY ((const GVariantType *) "a*")
/**
* G_VARIANT_TYPE_TUPLE:
*
* An indefinite type that is a supertype of every tuple type,
* regardless of the number of items in the tuple.
**/
#define G_VARIANT_TYPE_TUPLE ((const GVariantType *) "r")
/**
* G_VARIANT_TYPE_DICT_ENTRY:
*
* An indefinite type that is a supertype of every dictionary entry
* type.
**/
#define G_VARIANT_TYPE_DICT_ENTRY ((const GVariantType *) "{?*}")
/**
* G_VARIANT_TYPE_DICTIONARY:
*
* An indefinite type that is a supertype of every dictionary type --
* that is, any array type that has an element type equal to any
* dictionary entry type.
**/
#define G_VARIANT_TYPE_DICTIONARY ((const GVariantType *) "a{?*}")
/**
* G_VARIANT_TYPE_STRING_ARRAY:
*
* The type of an array of strings.
**/
#define G_VARIANT_TYPE_STRING_ARRAY ((const GVariantType *) "as")
/**
* G_VARIANT_TYPE_OBJECT_PATH_ARRAY:
*
* The type of an array of object paths.
**/
#define G_VARIANT_TYPE_OBJECT_PATH_ARRAY ((const GVariantType *) "ao")
/**
* G_VARIANT_TYPE_BYTESTRING:
*
* The type of an array of bytes. This type is commonly used to pass
* around strings that may not be valid utf8. In that case, the
* convention is that the nul terminator character should be included as
* the last character in the array.
**/
#define G_VARIANT_TYPE_BYTESTRING ((const GVariantType *) "ay")
/**
* G_VARIANT_TYPE_BYTESTRING_ARRAY:
*
* The type of an array of byte strings (an array of arrays of bytes).
**/
#define G_VARIANT_TYPE_BYTESTRING_ARRAY ((const GVariantType *) "aay")
/**
* G_VARIANT_TYPE_VARDICT:
*
* The type of a dictionary mapping strings to variants (the ubiquitous
* "a{sv}" type).
*
* Since: 2.30
**/
#define G_VARIANT_TYPE_VARDICT ((const GVariantType *) "a{sv}")
/**
* G_VARIANT_TYPE:
* @type_string: a well-formed #GVariantType type string
*
* Converts a string to a const #GVariantType. Depending on the
* current debugging level, this function may perform a runtime check
* to ensure that @string is a valid GVariant type string.
*
* It is always a programmer error to use this macro with an invalid
* type string. If in doubt, use g_variant_type_string_is_valid() to
* check if the string is valid.
*
* Since 2.24
**/
#ifndef G_DISABLE_CHECKS
# define G_VARIANT_TYPE(type_string) (g_variant_type_checked_ ((type_string)))
#else
# define G_VARIANT_TYPE(type_string) ((const GVariantType *) (type_string))
#endif
/* type string checking */
GLIB_AVAILABLE_IN_ALL
gboolean g_variant_type_string_is_valid (const gchar *type_string);
GLIB_AVAILABLE_IN_ALL
gboolean g_variant_type_string_scan (const gchar *string,
const gchar *limit,
const gchar **endptr);
/* create/destroy */
GLIB_AVAILABLE_IN_ALL
void g_variant_type_free (GVariantType *type);
GLIB_AVAILABLE_IN_ALL
GVariantType * g_variant_type_copy (const GVariantType *type);
GLIB_AVAILABLE_IN_ALL
GVariantType * g_variant_type_new (const gchar *type_string);
/* getters */
GLIB_AVAILABLE_IN_ALL
gsize g_variant_type_get_string_length (const GVariantType *type);
GLIB_AVAILABLE_IN_ALL
const gchar * g_variant_type_peek_string (const GVariantType *type);
GLIB_AVAILABLE_IN_ALL
gchar * g_variant_type_dup_string (const GVariantType *type);
/* classification */
GLIB_AVAILABLE_IN_ALL
gboolean g_variant_type_is_definite (const GVariantType *type);
GLIB_AVAILABLE_IN_ALL
gboolean g_variant_type_is_container (const GVariantType *type);
GLIB_AVAILABLE_IN_ALL
gboolean g_variant_type_is_basic (const GVariantType *type);
GLIB_AVAILABLE_IN_ALL
gboolean g_variant_type_is_maybe (const GVariantType *type);
GLIB_AVAILABLE_IN_ALL
gboolean g_variant_type_is_array (const GVariantType *type);
GLIB_AVAILABLE_IN_ALL
gboolean g_variant_type_is_tuple (const GVariantType *type);
GLIB_AVAILABLE_IN_ALL
gboolean g_variant_type_is_dict_entry (const GVariantType *type);
GLIB_AVAILABLE_IN_ALL
gboolean g_variant_type_is_variant (const GVariantType *type);
/* for hash tables */
GLIB_AVAILABLE_IN_ALL
guint g_variant_type_hash (gconstpointer type);
GLIB_AVAILABLE_IN_ALL
gboolean g_variant_type_equal (gconstpointer type1,
gconstpointer type2);
/* subtypes */
GLIB_AVAILABLE_IN_ALL
gboolean g_variant_type_is_subtype_of (const GVariantType *type,
const GVariantType *supertype);
/* type iterator interface */
GLIB_AVAILABLE_IN_ALL
const GVariantType * g_variant_type_element (const GVariantType *type);
GLIB_AVAILABLE_IN_ALL
const GVariantType * g_variant_type_first (const GVariantType *type);
GLIB_AVAILABLE_IN_ALL
const GVariantType * g_variant_type_next (const GVariantType *type);
GLIB_AVAILABLE_IN_ALL
gsize g_variant_type_n_items (const GVariantType *type);
GLIB_AVAILABLE_IN_ALL
const GVariantType * g_variant_type_key (const GVariantType *type);
GLIB_AVAILABLE_IN_ALL
const GVariantType * g_variant_type_value (const GVariantType *type);
/* constructors */
GLIB_AVAILABLE_IN_ALL
GVariantType * g_variant_type_new_array (const GVariantType *element);
GLIB_AVAILABLE_IN_ALL
GVariantType * g_variant_type_new_maybe (const GVariantType *element);
GLIB_AVAILABLE_IN_ALL
GVariantType * g_variant_type_new_tuple (const GVariantType * const *items,
gint length);
GLIB_AVAILABLE_IN_ALL
GVariantType * g_variant_type_new_dict_entry (const GVariantType *key,
const GVariantType *value);
/*< private >*/
GLIB_AVAILABLE_IN_ALL
const GVariantType * g_variant_type_checked_ (const gchar *);
G_END_DECLS
#endif /* __G_VARIANT_TYPE_H__ */
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