diff options
Diffstat (limited to 'py/stream.h')
| -rw-r--r-- | py/stream.h | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/py/stream.h b/py/stream.h index 01199ab601..fbe3d7d859 100644 --- a/py/stream.h +++ b/py/stream.h @@ -1,5 +1,5 @@ /* - * This file is part of the Micro Python project, http://micropython.org/ + * This file is part of the MicroPython project, http://micropython.org/ * * The MIT License (MIT) * @@ -23,8 +23,8 @@ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ -#ifndef __MICROPY_INCLUDED_PY_STREAM_H__ -#define __MICROPY_INCLUDED_PY_STREAM_H__ +#ifndef MICROPY_INCLUDED_PY_STREAM_H +#define MICROPY_INCLUDED_PY_STREAM_H #include "py/obj.h" #include "py/mperrno.h" @@ -50,10 +50,18 @@ // Argument structure for MP_STREAM_SEEK struct mp_stream_seek_t { + // If whence == MP_SEEK_SET, offset should be treated as unsigned. + // This allows dealing with full-width stream sizes (16, 32, 64, + // etc. bits). For other seek types, should be treated as signed. mp_off_t offset; int whence; }; +// seek ioctl "whence" values +#define MP_SEEK_SET (0) +#define MP_SEEK_CUR (1) +#define MP_SEEK_END (2) + 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); @@ -103,4 +111,4 @@ int mp_stream_posix_fsync(mp_obj_t stream); #define mp_is_nonblocking_error(errno) (0) #endif -#endif // __MICROPY_INCLUDED_PY_STREAM_H__ +#endif // MICROPY_INCLUDED_PY_STREAM_H |