diff options
Diffstat (limited to 'py/stream.h')
| -rw-r--r-- | py/stream.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/py/stream.h b/py/stream.h index a1d1c4f8a..3dec49a2e 100644 --- a/py/stream.h +++ b/py/stream.h @@ -62,6 +62,16 @@ struct mp_stream_seek_t { #define MP_SEEK_CUR (1) #define MP_SEEK_END (2) +// Stream protocol +typedef struct _mp_stream_p_t { + // On error, functions should return MP_STREAM_ERROR and fill in *errcode (values + // are implementation-dependent, but will be exposed to user, e.g. via exception). + mp_uint_t (*read)(mp_obj_t obj, void *buf, mp_uint_t size, int *errcode); + mp_uint_t (*write)(mp_obj_t obj, const void *buf, mp_uint_t size, int *errcode); + mp_uint_t (*ioctl)(mp_obj_t obj, mp_uint_t request, uintptr_t arg, int *errcode); + mp_uint_t is_text : 1; // default is bytes, set this for text stream +} mp_stream_p_t; + MP_DECLARE_CONST_FUN_OBJ_VAR_BETWEEN(mp_stream_read_obj); MP_DECLARE_CONST_FUN_OBJ_VAR_BETWEEN(mp_stream_read1_obj); MP_DECLARE_CONST_FUN_OBJ_VAR_BETWEEN(mp_stream_readinto_obj); |