blob: 7da10c249437216aa3950f0febb31c38ac9b437a [file] [log] [blame]
/* go-map-len.c -- return the length of a map.
Copyright 2009 The Go Authors. All rights reserved.
Use of this source code is governed by a BSD-style
license that can be found in the LICENSE file. */
#include <stddef.h>
#include "runtime.h"
#include "go-assert.h"
#include "map.h"
/* Return the length of a map. This could be done inline, of course,
but I'm doing it as a function for now to make it easy to change
the map structure. */
__go_map_len (struct __go_map *map)
if (map == NULL)
return 0;
__go_assert (map->__element_count
== (uintptr_t) (intgo) map->__element_count);
return map->__element_count;