string-input-visitor: Favor new visit_free() function

Now that we have a polymorphic visit_free(), we no longer need
string_input_visitor_cleanup(); which in turn means we no longer
need to return a subtype from string_input_visitor_new() nor a
public upcast function.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1465490926-28625-7-git-send-email-eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>

1 files changed, 5 insertions, 15 deletions

diff --git a/qapi/string-input-visitor.c b/qapi/string-input-visitor.c
index 6fb1229586..8dfa561252 100644
--- a/qapi/string-input-visitor.c
+++ b/qapi/string-input-visitor.c
@@ -326,26 +326,16 @@ static void parse_optional(Visitor *v, const char *name, bool *present)
     *present = true;
 }
 
-Visitor *string_input_get_visitor(StringInputVisitor *v)
-{
-    return &v->visitor;
-}
-
 static void string_input_free(Visitor *v)
 {
     StringInputVisitor *siv = to_siv(v);
 
-    string_input_visitor_cleanup(siv);
-}
-
-void string_input_visitor_cleanup(StringInputVisitor *v)
-{
-    g_list_foreach(v->ranges, free_range, NULL);
-    g_list_free(v->ranges);
-    g_free(v);
+    g_list_foreach(siv->ranges, free_range, NULL);
+    g_list_free(siv->ranges);
+    g_free(siv);
 }
 
-StringInputVisitor *string_input_visitor_new(const char *str)
+Visitor *string_input_visitor_new(const char *str)
 {
     StringInputVisitor *v;
 
@@ -365,5 +355,5 @@ StringInputVisitor *string_input_visitor_new(const char *str)
     v->visitor.free = string_input_free;
 
     v->string = str;
-    return v;
+    return &v->visitor;
 }