On 09/06/2018 10:12 AM, Marc-André Lureau wrote:

In the subject, s/\?/help/

Signed-off-by: Marc-André Lureau <marcandre.lur...@redhat.com>
---
  vl.c | 13 +++++++++++++
  1 file changed, 13 insertions(+)

diff --git a/vl.c b/vl.c
index 5ba06adf78..8a5fd0c81f 100644
--- a/vl.c
+++ b/vl.c
@@ -2731,6 +2731,19 @@ static int machine_set_property(void *opaque,
   */
  static bool object_create_initial(const char *type)
  {
+    if (is_help_option(type)) {
+        GSList *l, *list;
+
+        error_printf("List of user creatable objects:\n");
+        list = object_class_get_list_sorted(TYPE_USER_CREATABLE, false);
+        for (l = list; l != NULL; l = l->next) {
+            ObjectClass *oc = OBJECT_CLASS(l->data);
+            error_printf("%s\n", object_class_get_name(oc));

This prints to stderr,

+        }
+        g_slist_free(list);
+        exit(0);

then exits with status 0. I'd much rather successful help text be printed to stdout.

--
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3266
Virtualization:  qemu.org | libvirt.org

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