diff --git a/src/util/u_dynarray.h b/src/util/u_dynarray.h
index 6f91b820892..b41b0d4b032 100644
--- a/src/util/u_dynarray.h
+++ b/src/util/u_dynarray.h
@@ -168,6 +168,16 @@ util_dynarray_trim(struct util_dynarray *buf)
    }
 }
 
+static inline void
+util_dynarray_append_dynarray(struct util_dynarray *buf,
+                              const struct util_dynarray *other)
+{
+   if (other->size > 0) {
+      void *p = util_dynarray_grow_bytes(buf, 1, other->size);
+      memcpy(p, other->data, other->size);
+   }
+}
+
 #define util_dynarray_append(buf, type, v) do {type __v = (v); memcpy(util_dynarray_grow_bytes((buf), 1, sizeof(type)), &__v, sizeof(type));} while(0)
 /* Returns a pointer to the space of the first new element (in case of growth) or NULL on failure. */
 #define util_dynarray_resize(buf, type, nelts) util_dynarray_resize_bytes(buf, (nelts), sizeof(type))