libxl_internal.h: introduce libxl__json_object_get_number

Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>

diff --git a/tools/libxl/libxl_internal.h b/tools/libxl/libxl_internal.h
index 325d3407745c258d10f98ca02c4113a43d6dc081..5974f00da996e296c9b519d28cb9affeaec63c8e 100644 (file)
--- a/tools/libxl/libxl_internal.h
+++ b/tools/libxl/libxl_internal.h
@@ -1696,6 +1696,14 @@ const char *libxl__json_object_get_string(const libxl__json_object *o)
         return NULL;
 }
 static inline
+const char *libxl__json_object_get_number(const libxl__json_object *o)
+{
+    if (libxl__json_object_is_number(o))
+        return o->u.string;
+    else
+        return NULL;
+}
+static inline
 flexarray_t *libxl__json_object_get_map(const libxl__json_object *o)
 {
     if (libxl__json_object_is_map(o))