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