[PULL,52/59] vl: print default value in object help

Commit Message

Paolo Bonzini Jan. 23, 2020, 1:50 p.m. UTC

From: Marc-André Lureau <[e-mail]>

Signed-off-by: Marc-André Lureau <[e-mail]>
Message-Id: <[e-mail]>
Signed-off-by: Paolo Bonzini <[e-mail]>
---
 qom/object_interfaces.c | 6 ++++++
 1 file changed, 6 insertions(+)

Patch

diff --git a/qom/object_interfaces.c b/qom/object_interfaces.c
index 46cd6ea..edb4cc4 100644
--- a/qom/object_interfaces.c
+++ b/qom/object_interfaces.c
@@ -185,6 +185,7 @@  bool user_creatable_print_help(const char *type, QemuOpts *opts)
         object_class_property_iter_init(&iter, klass);
         while ((prop = object_property_iter_next(&iter))) {
             GString *str;
+            char *defval;
 
             if (!prop->set) {
                 continue;
@@ -192,6 +193,11 @@  bool user_creatable_print_help(const char *type, QemuOpts *opts)
 
             str = g_string_new(NULL);
             g_string_append_printf(str, "  %s=<%s>", prop->name, prop->type);
+            defval = object_property_get_default(prop);
+            if (defval) {
+                g_string_append_printf(str, " (default: %s)", defval);
+                g_free(defval);
+            }
             if (prop->description) {
                 if (str->len < 24) {
                     g_string_append_printf(str, "%*s", 24 - (int)str->len, "");