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-rw-r--r--py/objstr.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/py/objstr.c b/py/objstr.c
index 69745a2f5..ab1229ad6 100644
--- a/py/objstr.c
+++ b/py/objstr.c
@@ -2248,6 +2248,11 @@ STATIC mp_obj_t mp_obj_new_str_type_from_vstr(const mp_obj_type_t *type, vstr_t
}
mp_obj_t mp_obj_new_str_from_vstr(vstr_t *vstr) {
+ #if MICROPY_PY_BUILTINS_STR_UNICODE && MICROPY_PY_BUILTINS_STR_UNICODE_CHECK
+ if (!utf8_check((byte *)vstr->buf, vstr->len)) {
+ mp_raise_msg(&mp_type_UnicodeError, NULL);
+ }
+ #endif // MICROPY_PY_BUILTINS_STR_UNICODE && MICROPY_PY_BUILTINS_STR_UNICODE_CHECK
return mp_obj_new_str_type_from_vstr(&mp_type_str, vstr);
}