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gtype: cast *_init functions to void(*)(void) first

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The *_init() functions have prototypes incompatible with *InitFunc types they
are being cast to. This upsets GCC 8's -Wcast-function-type that's enabled by
default with -Wextra.

Let's not have the public header files emit a warning and neutralize it by
doing a void(*)(void) cast first.

https://bugzilla.gnome.org/show_bug.cgi?id=793272
This commit is contained in:
Lubomir Rintel 2018-02-07 17:27:54 +00:00 committed by Philip Withnall
parent 62e8168878
commit c1f5e52844
1 changed files with 4 additions and 4 deletions
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8
gobject/gtype.h
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@ -1790,7 +1790,7 @@ guint g_type_get_type_registration_serial (void);
*/
#define G_IMPLEMENT_INTERFACE(TYPE_IFACE, iface_init) { \
const GInterfaceInfo g_implement_interface_info = { \
(GInterfaceInitFunc) iface_init, NULL, NULL \
(GInterfaceInitFunc)(void (*)(void)) iface_init, NULL, NULL \
}; \
g_type_add_interface_static (g_define_type_id, TYPE_IFACE, &g_implement_interface_info); \
}
@ -1974,9 +1974,9 @@ type_name##_get_type (void) \
g_type_register_static_simple (TYPE_PARENT, \
g_intern_static_string (#TypeName), \
sizeof (TypeName##Class), \
(GClassInitFunc) type_name##_class_intern_init, \
(GClassInitFunc)(void (*)(void)) type_name##_class_intern_init, \
sizeof (TypeName), \
(GInstanceInitFunc) type_name##_init, \
(GInstanceInitFunc)(void (*)(void)) type_name##_init, \
(GTypeFlags) flags); \
{ /* custom code follows */
#define _G_DEFINE_TYPE_EXTENDED_END() \
@ -2008,7 +2008,7 @@ type_name##_get_type (void) \
g_type_register_static_simple (G_TYPE_INTERFACE, \
g_intern_static_string (#TypeName), \
sizeof (TypeName##Interface), \
(GClassInitFunc)type_name##_default_init, \
(GClassInitFunc)(GVoidFunc)type_name##_default_init, \
0, \
(GInstanceInitFunc)NULL, \
(GTypeFlags) 0); \