From 64b76c7ca5cf5b4ede2f4b423114f46141890e1e Mon Sep 17 00:00:00 2001
From: Robert Ancell <robert.ancell@canonical.com>
Date: Fri, 7 Sep 2018 10:19:05 +1200
Subject: [PATCH] codegen: Change pointer casting to remove type-punning
warnings
The existing code was generating code with undefined results that modern compilers warn about:
accounts-generated.c:204:23: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
(GDBusArgInfo **) &_accounts_accounts_method_info_list_cached_users_OUT_ARG_pointers,
---
gio/gdbus-2.0/codegen/codegen.py | 22 +++++++++++-----------
1 file changed, 11 insertions(+), 11 deletions(-)
diff --git a/gio/gdbus-2.0/codegen/codegen.py b/gio/gdbus-2.0/codegen/codegen.py
index e74131cdb..0d95cdcda 100644
--- a/gio/gdbus-2.0/codegen/codegen.py
+++ b/gio/gdbus-2.0/codegen/codegen.py
@@ -1129,10 +1129,10 @@ class CodeGenerator:
'\n')
if len(args) > 0:
- self.outfile.write('static const _ExtendedGDBusArgInfo * const %s_pointers[] =\n'
+ self.outfile.write('static const GDBusArgInfo * const %s_pointers[] =\n'
'{\n'%(prefix))
for a in args:
- self.outfile.write(' &%s_%s,\n'%(prefix, a.name))
+ self.outfile.write(' &%s_%s.parent_struct,\n'%(prefix, a.name))
self.outfile.write(' NULL\n'
'};\n'
'\n')
@@ -1175,10 +1175,10 @@ class CodeGenerator:
self.outfile.write('};\n'
'\n')
- self.outfile.write('static const _ExtendedGDBusMethodInfo * const _%s_method_info_pointers[] =\n'
+ self.outfile.write('static const GDBusMethodInfo * const _%s_method_info_pointers[] =\n'
'{\n'%(i.name_lower))
for m in i.methods:
- self.outfile.write(' &_%s_method_info_%s,\n'%(i.name_lower, m.name_lower))
+ self.outfile.write(' &_%s_method_info_%s.parent_struct,\n'%(i.name_lower, m.name_lower))
self.outfile.write(' NULL\n'
'};\n'
'\n')
@@ -1209,10 +1209,10 @@ class CodeGenerator:
self.outfile.write('};\n'
'\n')
- self.outfile.write('static const _ExtendedGDBusSignalInfo * const _%s_signal_info_pointers[] =\n'
+ self.outfile.write('static const GDBusSignalInfo * const _%s_signal_info_pointers[] =\n'
'{\n'%(i.name_lower))
for s in i.signals:
- self.outfile.write(' &_%s_signal_info_%s,\n'%(i.name_lower, s.name_lower))
+ self.outfile.write(' &_%s_signal_info_%s.parent_struct,\n'%(i.name_lower, s.name_lower))
self.outfile.write(' NULL\n'
'};\n'
'\n')
@@ -1251,10 +1251,10 @@ class CodeGenerator:
self.outfile.write('};\n'
'\n')
- self.outfile.write('static const _ExtendedGDBusPropertyInfo * const _%s_property_info_pointers[] =\n'
+ self.outfile.write('static const GDBusPropertyInfo * const _%s_property_info_pointers[] =\n'
'{\n'%(i.name_lower))
for p in i.properties:
- self.outfile.write(' &_%s_property_info_%s,\n'%(i.name_lower, p.name_lower))
+ self.outfile.write(' &_%s_property_info_%s.parent_struct,\n'%(i.name_lower, p.name_lower))
self.outfile.write(' NULL\n'
'};\n'
'\n')
@@ -1948,7 +1948,7 @@ class CodeGenerator:
self.outfile.write(' const _ExtendedGDBusPropertyInfo *info;\n'
' GVariant *variant;\n'
' g_assert (prop_id != 0 && prop_id - 1 < %d);\n'
- ' info = _%s_property_info_pointers[prop_id - 1];\n'
+ ' info = (const _ExtendedGDBusPropertyInfo *) _%s_property_info_pointers[prop_id - 1];\n'
' variant = g_dbus_proxy_get_cached_property (G_DBUS_PROXY (object), info->parent_struct.name);\n'
' if (info->use_gvariant)\n'
' {\n'
@@ -2001,7 +2001,7 @@ class CodeGenerator:
self.outfile.write(' const _ExtendedGDBusPropertyInfo *info;\n'
' GVariant *variant;\n'
' g_assert (prop_id != 0 && prop_id - 1 < %d);\n'
- ' info = _%s_property_info_pointers[prop_id - 1];\n'
+ ' info = (const _ExtendedGDBusPropertyInfo *) _%s_property_info_pointers[prop_id - 1];\n'
' variant = g_dbus_gvalue_to_gvariant (value, G_VARIANT_TYPE (info->parent_struct.signature));\n'
' g_dbus_proxy_call (G_DBUS_PROXY (object),\n'
' "org.freedesktop.DBus.Properties.Set",\n'
@@ -2887,7 +2887,7 @@ class CodeGenerator:
' if (!_g_value_equal (value, &skeleton->priv->properties[prop_id - 1]))\n'
' {\n'
' if (g_dbus_interface_skeleton_get_connection (G_DBUS_INTERFACE_SKELETON (skeleton)) != NULL)\n'
- ' _%s_schedule_emit_changed (skeleton, _%s_property_info_pointers[prop_id - 1], prop_id, &skeleton->priv->properties[prop_id - 1]);\n'
+ ' _%s_schedule_emit_changed (skeleton, (const _ExtendedGDBusPropertyInfo *) _%s_property_info_pointers[prop_id - 1], prop_id, &skeleton->priv->properties[prop_id - 1]);\n'
' g_value_copy (value, &skeleton->priv->properties[prop_id - 1]);\n'
' g_object_notify_by_pspec (object, pspec);\n'
' }\n'
--
2.19.1