From 4626a19c86c30d96cedbac2bd44ef8103303cb37 Mon Sep 17 00:00:00 2001 From: Markus Armbruster Date: Wed, 26 Apr 2017 09:36:38 +0200 Subject: qapi: New QAPI_CLONE_MEMBERS() QAPI_CLONE() returns a newly allocated QAPI object. Inconvenient when we want to clone into an existing object. QAPI_CLONE_MEMBERS() does exactly that. Signed-off-by: Markus Armbruster Message-Id: <1493192202-3184-4-git-send-email-armbru@redhat.com> Reviewed-by: Eric Blake --- qapi/qapi-clone-visitor.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'qapi') diff --git a/qapi/qapi-clone-visitor.c b/qapi/qapi-clone-visitor.c index 34086cb..de756bf 100644 --- a/qapi/qapi-clone-visitor.c +++ b/qapi/qapi-clone-visitor.c @@ -180,3 +180,16 @@ void *qapi_clone(const void *src, void (*visit_type)(Visitor *, const char *, visit_free(v); return dst; } + +void qapi_clone_members(void *dst, const void *src, size_t sz, + void (*visit_type_members)(Visitor *, void *, + Error **)) +{ + Visitor *v; + + v = qapi_clone_visitor_new(); + memcpy(dst, src, sz); + to_qcv(v)->depth++; + visit_type_members(v, dst, &error_abort); + visit_free(v); +} -- cgit v1.1