/* Initializes 'dst' as a clone of 'src. */
void
-smap_clone(struct smap *dst, struct smap *src)
+smap_clone(struct smap *dst, const struct smap *src)
{
- struct smap_node *node;
+ const struct smap_node *node;
smap_init(dst);
SMAP_FOR_EACH (node, src) {