This may be used for deprecated object properties that are kept for backwards compatibility.
Signed-off-by: Greg Kurz <gr...@kaod.org> --- This is enough to fix David's patch: [RFCv2 10/12] pseries: Move CPU compatibility property to machine Messag-Id: <1479248275-18889-11-git-send-email-da...@gibson.dropbear.id.au> qapi/string-input-visitor.c | 5 +++++ qapi/string-output-visitor.c | 14 ++++++++++++++ 2 files changed, 19 insertions(+) diff --git a/qapi/string-input-visitor.c b/qapi/string-input-visitor.c index 8dfa5612522b..4a378d7b67e6 100644 --- a/qapi/string-input-visitor.c +++ b/qapi/string-input-visitor.c @@ -314,6 +314,10 @@ static void parse_type_number(Visitor *v, const char *name, double *obj, *obj = val; } +static void parse_type_null(Visitor *v, const char *name, Error **errp) +{ +} + static void parse_optional(Visitor *v, const char *name, bool *present) { StringInputVisitor *siv = to_siv(v); @@ -348,6 +352,7 @@ Visitor *string_input_visitor_new(const char *str) v->visitor.type_bool = parse_type_bool; v->visitor.type_str = parse_type_str; v->visitor.type_number = parse_type_number; + v->visitor.type_null = parse_type_null; v->visitor.start_list = start_list; v->visitor.next_list = next_list; v->visitor.end_list = end_list; diff --git a/qapi/string-output-visitor.c b/qapi/string-output-visitor.c index 94ac8211d144..5ec5352ca87c 100644 --- a/qapi/string-output-visitor.c +++ b/qapi/string-output-visitor.c @@ -266,6 +266,19 @@ static void print_type_number(Visitor *v, const char *name, double *obj, string_output_set(sov, g_strdup_printf("%f", *obj)); } +static void print_type_null(Visitor *v, const char *name, Error **errp) +{ + StringOutputVisitor *sov = to_sov(v); + char *out; + + if (sov->human) { + out = g_strdup("<null>"); + } else { + out = g_strdup(""); + } + string_output_set(sov, out); +} + static void start_list(Visitor *v, const char *name, GenericList **list, size_t size, Error **errp) @@ -351,6 +364,7 @@ Visitor *string_output_visitor_new(bool human, char **result) v->visitor.type_bool = print_type_bool; v->visitor.type_str = print_type_str; v->visitor.type_number = print_type_number; + v->visitor.type_null = print_type_null; v->visitor.start_list = start_list; v->visitor.next_list = next_list; v->visitor.end_list = end_list;