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gdbus: fix generated code to not warn under -Wfloat-equal

Browse Source 
https://bugzilla.gnome.org/show_bug.cgi?id=678333
This commit is contained in:
Dan Winship 2012-06-18 15:31:47 -04:00
parent 599d1a430e
commit 7d0db04223
2 changed files with 40 additions and 2 deletions
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11
gio/gdbus-2.0/codegen/codegen.py
View File

@ -66,7 +66,9 @@ class CodeGenerator:
'#endif\n'
'\n'
'#include "%s"\n'
'\n'%(self.h.name))
'\n'
'#include <string.h>\n'
%(self.h.name))
self.c.write('#ifdef G_OS_UNIX\n'
'# include <gio/gunixfdlist.h>\n'
@ -192,7 +194,12 @@ class CodeGenerator:
' ret = (g_value_get_uint64 (a) == g_value_get_uint64 (b));\n'
' break;\n'
' case G_TYPE_DOUBLE:\n'
' ret = (g_value_get_double (a) == g_value_get_double (b));\n'
' {\n'
' /* Avoid -Wfloat-equal warnings by doing a direct bit compare */\n'
' gdouble da = g_value_get_double (a);\n'
' gdouble db = g_value_get_double (b);\n'
' ret = memcmp (&da, &db, sizeof (gdouble)) == 0;\n'
' }\n'
' break;\n'
' case G_TYPE_STRING:\n'
' ret = (g_strcmp0 (g_value_get_string (a), g_value_get_string (b)) == 0);\n'

31
gio/tests/gdbus-test-codegen.c
View File

@ -1729,11 +1729,24 @@ on_object_proxy_removed (GDBusObjectManagerClient *manager,
om_data), ==, 1);
}
static void
property_d_changed (GObject *object,
GParamSpec *pspec,
gpointer user_data)
{
gboolean *changed = user_data;
*changed = TRUE;
}
static void
om_check_property_and_signal_emission (GMainLoop *loop,
FooiGenBar *skeleton,
FooiGenBar *proxy)
{
gboolean d_changed = FALSE;
guint handler;
/* First PropertiesChanged */
g_assert_cmpint (foo_igen_bar_get_i (skeleton), ==, 0);
g_assert_cmpint (foo_igen_bar_get_i (proxy), ==, 0);
@ -1742,6 +1755,24 @@ om_check_property_and_signal_emission (GMainLoop *loop,
g_assert_cmpint (foo_igen_bar_get_i (skeleton), ==, 1);
g_assert_cmpint (foo_igen_bar_get_i (proxy), ==, 1);
/* Double-check the gdouble case */
g_assert_cmpfloat (foo_igen_bar_get_d (skeleton), ==, 0.0);
g_assert_cmpfloat (foo_igen_bar_get_d (proxy), ==, 0.0);
foo_igen_bar_set_d (skeleton, 1.0);
_g_assert_property_notify (proxy, "d");
/* Verify that re-setting it to the same value doesn't cause a
* notify on the proxy, by taking advantage of the fact that
* notifications are serialized.
*/
handler = g_signal_connect (proxy, "notify::d",
G_CALLBACK (property_d_changed), &d_changed);
foo_igen_bar_set_d (skeleton, 1.0);
foo_igen_bar_set_i (skeleton, 2);
_g_assert_property_notify (proxy, "i");
g_assert (d_changed == FALSE);
g_signal_handler_disconnect (proxy, handler);
/* Then just a regular signal */
foo_igen_bar_emit_another_signal (skeleton, "word");
_g_assert_signal_received (proxy, "another-signal");