qapi/qlist: Add qlist_append_null() macro
Besides the macro itself, this patch also adds a corresponding
Coccinelle rule.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Message-id: 20171114180128.17076-3-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
diff --git a/include/qapi/qmp/qlist.h b/include/qapi/qmp/qlist.h
index c4b5fda..59d209b 100644
--- a/include/qapi/qmp/qlist.h
+++ b/include/qapi/qmp/qlist.h
@@ -15,6 +15,7 @@
#include "qapi/qmp/qobject.h"
#include "qapi/qmp/qnum.h"
+#include "qapi/qmp/qnull.h"
#include "qemu/queue.h"
typedef struct QListEntry {
@@ -37,6 +38,8 @@
qlist_append(qlist, qbool_from_bool(value))
#define qlist_append_str(qlist, value) \
qlist_append(qlist, qstring_from_str(value))
+#define qlist_append_null(qlist) \
+ qlist_append(qlist, qnull())
#define QLIST_FOREACH_ENTRY(qlist, var) \
for ((var) = ((qlist)->head.tqh_first); \
diff --git a/scripts/coccinelle/qobject.cocci b/scripts/coccinelle/qobject.cocci
index 1120eb1..47bcafe 100644
--- a/scripts/coccinelle/qobject.cocci
+++ b/scripts/coccinelle/qobject.cocci
@@ -41,4 +41,7 @@
|
- qlist_append(Obj, qstring_from_str(E));
+ qlist_append_str(Obj, E);
+|
+- qlist_append(Obj, qnull());
++ qlist_append_null(Obj);
)
