diff options
Diffstat (limited to 'py')
| -rw-r--r-- | py/objint.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/py/objint.c b/py/objint.c index a6aed8b8a..773e18034 100644 --- a/py/objint.c +++ b/py/objint.c @@ -390,7 +390,6 @@ mp_obj_t mp_obj_int_binary_op_extra_cases(mp_binary_op_t op, mp_obj_t lhs_in, mp // this is a classmethod static mp_obj_t int_from_bytes(size_t n_args, const mp_obj_t *args) { // TODO: Support signed param (assumes signed=False at the moment) - (void)n_args; // get the buffer info mp_buffer_info_t bufinfo; @@ -398,7 +397,8 @@ static mp_obj_t int_from_bytes(size_t n_args, const mp_obj_t *args) { const byte *buf = (const byte *)bufinfo.buf; int delta = 1; - if (args[2] == MP_OBJ_NEW_QSTR(MP_QSTR_little)) { + bool big_endian = n_args < 3 || args[2] != MP_OBJ_NEW_QSTR(MP_QSTR_little); + if (!big_endian) { buf += bufinfo.len - 1; delta = -1; } @@ -409,7 +409,7 @@ static mp_obj_t int_from_bytes(size_t n_args, const mp_obj_t *args) { #if MICROPY_LONGINT_IMPL != MICROPY_LONGINT_IMPL_NONE if (value > (MP_SMALL_INT_MAX >> 8)) { // Result will overflow a small-int so construct a big-int - return mp_obj_int_from_bytes_impl(args[2] != MP_OBJ_NEW_QSTR(MP_QSTR_little), bufinfo.len, bufinfo.buf); + return mp_obj_int_from_bytes_impl(big_endian, bufinfo.len, bufinfo.buf); } #endif value = (value << 8) | *buf; @@ -417,7 +417,7 @@ static mp_obj_t int_from_bytes(size_t n_args, const mp_obj_t *args) { return mp_obj_new_int_from_uint(value); } -static MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(int_from_bytes_fun_obj, 3, 4, int_from_bytes); +static MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(int_from_bytes_fun_obj, 2, 4, int_from_bytes); static MP_DEFINE_CONST_CLASSMETHOD_OBJ(int_from_bytes_obj, MP_ROM_PTR(&int_from_bytes_fun_obj)); static mp_obj_t int_to_bytes(size_t n_args, const mp_obj_t *args) { |