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gtype: guard uses of new fundamental type check

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g_type_is_fundamentally_a (see bug 730984) is a new API/ABI and is
marked with a version macro.  We should therefore avoid its
unconditional use from G_IS_OBJECT() and G_IS_PARAM_SPEC() which are
APIs that have been around for a long time.

This prevents deprecation warnings from being emitted when these
functions are used with an older GLIB_VERSION_MAX_ALLOWED and also
prevents linking to the new ABI in that case (so that it's possible to
use the resulting binary with an older version of GLib).

https://bugzilla.gnome.org/show_bug.cgi?id=731335
This commit is contained in:
Ryan Lortie 2014-06-06 10:45:51 -04:00
parent 0208861a13
commit d558e87c65
2 changed files with 8 additions and 0 deletions
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4
gobject/gobject.h
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@ -62,7 +62,11 @@ G_BEGIN_DECLS
*
* Checks whether a valid #GTypeInstance pointer is of type %G_TYPE_OBJECT.
*/
#if GLIB_VERSION_MAX_ALLOWED >= GLIB_VERSION_2_42
#define G_IS_OBJECT(object) (G_TYPE_CHECK_INSTANCE_FUNDAMENTAL_TYPE ((object), G_TYPE_OBJECT))
#else
#define G_IS_OBJECT(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), G_TYPE_OBJECT))
#endif
/**
* G_IS_OBJECT_CLASS:
* @class: a #GObjectClass

4
gobject/gparam.h
View File

@ -50,7 +50,11 @@ G_BEGIN_DECLS
* Checks whether @pspec "is a" valid #GParamSpec structure of type %G_TYPE_PARAM
* or derived.
*/
#if GLIB_VERSION_MAX_ALLOWED >= GLIB_VERSION_2_42
#define G_IS_PARAM_SPEC(pspec) (G_TYPE_CHECK_INSTANCE_FUNDAMENTAL_TYPE ((pspec), G_TYPE_PARAM))
#else
#define G_IS_PARAM_SPEC(pspec) (G_TYPE_CHECK_INSTANCE_TYPE ((pspec), G_TYPE_PARAM))
#endif
/**
* G_PARAM_SPEC_CLASS:
* @pclass: a valid #GParamSpecClass