strmap: allow const arguments to strset_iterate().

[ccan] / ccan / strmap / strmap.c

diff --git a/ccan/strmap/strmap.c b/ccan/strmap/strmap.c
index 872ca544c6aab1fa3b9d813534b74486cf77ec70..7f21d1932e089c1961eb5da51cfe2cfb206eb738 100644 (file)
--- a/ccan/strmap/strmap.c
+++ b/ccan/strmap/strmap.c
@@ -174,17 +174,19 @@ char *strmap_del_(struct strmap *map, const char *member, void **valuep)
 }
 
 static bool iterate(struct strmap n,
-                   bool (*handle)(const char *, void *, void *), void *data)
+                   bool (*handle)(const char *, void *, void *),
+                   const void *data)
 {
        if (n.v)
-               return handle(n.u.s, n.v, data);
+               return handle(n.u.s, n.v, (void *)data);
 
        return iterate(n.u.n->child[0], handle, data)
                || iterate(n.u.n->child[1], handle, data);
 }
 
 void strmap_iterate_(const struct strmap *map,
-                    bool (*handle)(const char *, void *, void *), void *data)
+                    bool (*handle)(const char *, void *, void *),
+                    const void *data)
 {
        /* Empty map? */
        if (!map->u.n)