py: Change stream protocol API: fns return uint; is_text for text.

1 files changed, 3 insertions, 3 deletions

diff --git a/py/objstringio.c b/py/objstringio.c
index bffdf2cf79..70f0c68dd4 100644
--- a/py/objstringio.c
+++ b/py/objstringio.c
@@ -51,7 +51,7 @@ STATIC void stringio_print(void (*print)(void *env, const char *fmt, ...), void
     print(env, self->base.type == &mp_type_stringio ? "<io.StringIO 0x%x>" : "<io.BytesIO 0x%x>", self->vstr);
 }
 
-STATIC mp_int_t stringio_read(mp_obj_t o_in, void *buf, mp_uint_t size, int *errcode) {
+STATIC mp_uint_t stringio_read(mp_obj_t o_in, void *buf, mp_uint_t size, int *errcode) {
     mp_obj_stringio_t *o = o_in;
     mp_uint_t remaining = o->vstr->len - o->pos;
     if (size > remaining) {
@@ -62,7 +62,7 @@ STATIC mp_int_t stringio_read(mp_obj_t o_in, void *buf, mp_uint_t size, int *err
     return size;
 }
 
-STATIC mp_int_t stringio_write(mp_obj_t o_in, const void *buf, mp_uint_t size, int *errcode) {
+STATIC mp_uint_t stringio_write(mp_obj_t o_in, const void *buf, mp_uint_t size, int *errcode) {
     mp_obj_stringio_t *o = o_in;
     mp_uint_t remaining = o->vstr->alloc - o->pos;
     if (size > remaining) {
@@ -137,12 +137,12 @@ STATIC MP_DEFINE_CONST_DICT(stringio_locals_dict, stringio_locals_dict_table);
 STATIC const mp_stream_p_t stringio_stream_p = {
     .read = stringio_read,
     .write = stringio_write,
+    .is_text = true,
 };
 
 STATIC const mp_stream_p_t bytesio_stream_p = {
     .read = stringio_read,
     .write = stringio_write,
-    .is_bytes = true,
 };
 
 const mp_obj_type_t mp_type_stringio = {