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dbus: Make sure the lua stack is balanced 

Signed-off-by: Uli Schlachter <psychon@znc.in>
This commit is contained in:
Uli Schlachter 2010-10-31 14:59:59 +01:00
parent 8882cf360a
commit 4f6c6cf32e
1 changed files with 7 additions and 2 deletions
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9
dbus.c
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@ -348,6 +348,7 @@ static void
a_dbus_process_request(DBusConnection *dbus_connection, DBusMessage *msg)
{
const char *interface = dbus_message_get_interface(msg);
int old_top = lua_gettop(globalconf.L);
lua_createtable(globalconf.L, 0, 5);
@ -428,8 +429,8 @@ a_dbus_process_request(DBusConnection *dbus_connection, DBusMessage *msg)
{
luaA_warn(globalconf.L,
"your D-Bus signal handling method returned wrong number of arguments");
/* Remove returned values from the stack */
lua_pop(globalconf.L, - n);
/* Restore stack */
lua_settop(globalconf.L, old_top);
return;
}
@ -439,6 +440,8 @@ a_dbus_process_request(DBusConnection *dbus_connection, DBusMessage *msg)
if(!a_dbus_convert_value(globalconf.L, i, &iter))
{
luaA_warn(globalconf.L, "your D-Bus signal handling method returned bad data");
/* Restore stack */
lua_settop(globalconf.L, old_top);
return;
}
@ -450,6 +453,8 @@ a_dbus_process_request(DBusConnection *dbus_connection, DBusMessage *msg)
dbus_message_unref(reply);
}
}
/* Restore stack */
lua_settop(globalconf.L, old_top);
}
/** Attempt to process all the requests in the D-Bus connection.