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py: Add optional code to check bytes constructor values are in range. 

Compiled in only if MICROPY_CPYTHON_COMPAT is set.

Addresses issue #1093.
This commit is contained in:
Damien George 2015-04-23 15:28:18 +01:00
parent fd787c5e4e
commit ede0f3ab3d
1 changed files with 7 additions and 1 deletions
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8
py/objstr.c
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@ -222,7 +222,13 @@ STATIC mp_obj_t bytes_make_new(mp_obj_t type_in, mp_uint_t n_args, mp_uint_t n_k
mp_obj_t iterable = mp_getiter(args[0]);
mp_obj_t item;
while ((item = mp_iternext(iterable)) != MP_OBJ_STOP_ITERATION) {
vstr_add_byte(&vstr, mp_obj_get_int(item));
mp_int_t val = mp_obj_get_int(item);
#if MICROPY_CPYTHON_COMPAT
if (val < 0 || val > 255) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, "bytes value out of range"));
}
#endif
vstr_add_byte(&vstr, val);
}
return mp_obj_new_str_from_vstr(&mp_type_bytes, &vstr);