py: Use size_t as len argument and return type of mp_get_index.

These values are used to compute memory addresses and so size_t is the
more appropriate type to use.

1 files changed, 1 insertions, 1 deletions

diff --git a/py/obj.h b/py/obj.h
index 79a6d56fa..03dadeb07 100644
--- a/py/obj.h
+++ b/py/obj.h
@@ -674,7 +674,7 @@ void mp_obj_get_complex(mp_obj_t self_in, mp_float_t *real, mp_float_t *imag);
 //qstr mp_obj_get_qstr(mp_obj_t arg);
 void mp_obj_get_array(mp_obj_t o, mp_uint_t *len, mp_obj_t **items); // *items may point inside a GC block
 void mp_obj_get_array_fixed_n(mp_obj_t o, mp_uint_t len, mp_obj_t **items); // *items may point inside a GC block
-mp_uint_t mp_get_index(const mp_obj_type_t *type, mp_uint_t len, mp_obj_t index, bool is_slice);
+size_t mp_get_index(const mp_obj_type_t *type, size_t len, mp_obj_t index, bool is_slice);
 mp_obj_t mp_obj_id(mp_obj_t o_in);
 mp_obj_t mp_obj_len(mp_obj_t o_in);
 mp_obj_t mp_obj_len_maybe(mp_obj_t o_in); // may return MP_OBJ_NULL