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| author | Emil Renner Berthing <esmil@mailme.dk> | 2019-12-13 08:24:18 +0100 |
|---|---|---|
| committer | Emil Renner Berthing <esmil@mailme.dk> | 2020-10-22 11:47:36 +0200 |
| commit | 6d3aa16443c3eeef3945bf3d31429a655f690e0c (patch) | |
| tree | bea477465ba33e7b3289c4ff7a4122c75eb40833 /py | |
| parent | 6324c3e05499a31c5a80ad58f030e693f459f294 (diff) | |
| download | micropython-6d3aa16443c3eeef3945bf3d31429a655f690e0c.tar.gz micropython-6d3aa16443c3eeef3945bf3d31429a655f690e0c.zip | |
py/objexcept: Compare mp_emergency_exception_buf_size signed.
mp_emergency_exception_buf_size is signed, so let's make sure we compare
it as such.
Diffstat (limited to 'py')
| -rw-r--r-- | py/objexcept.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/py/objexcept.c b/py/objexcept.c index 517427ed71..885032c3e3 100644 --- a/py/objexcept.c +++ b/py/objexcept.c @@ -208,7 +208,7 @@ mp_obj_t mp_obj_exception_make_new(const mp_obj_type_t *type, size_t n_args, siz // reserved room (after the traceback data) for a tuple with 1 element. // Otherwise we are free to use the whole buffer after the traceback data. if (o_tuple == NULL && mp_emergency_exception_buf_size >= - EMG_BUF_TUPLE_OFFSET + EMG_BUF_TUPLE_SIZE(n_args)) { + (mp_int_t)(EMG_BUF_TUPLE_OFFSET + EMG_BUF_TUPLE_SIZE(n_args))) { o_tuple = (mp_obj_tuple_t *) ((uint8_t *)MP_STATE_VM(mp_emergency_exception_buf) + EMG_BUF_TUPLE_OFFSET); } @@ -383,7 +383,7 @@ mp_obj_t mp_obj_new_exception_msg(const mp_obj_type_t *exc_type, mp_rom_error_te // that buffer to store the string object, reserving room at the start for the // traceback and 1-tuple. if (o_str == NULL - && mp_emergency_exception_buf_size >= EMG_BUF_STR_OFFSET + sizeof(mp_obj_str_t)) { + && mp_emergency_exception_buf_size >= (mp_int_t)(EMG_BUF_STR_OFFSET + sizeof(mp_obj_str_t))) { o_str = (mp_obj_str_t *)((uint8_t *)MP_STATE_VM(mp_emergency_exception_buf) + EMG_BUF_STR_OFFSET); } @@ -465,7 +465,7 @@ mp_obj_t mp_obj_new_exception_msg_vlist(const mp_obj_type_t *exc_type, mp_rom_er // that buffer to store the string object and its data (at least 16 bytes for // the string data), reserving room at the start for the traceback and 1-tuple. if ((o_str == NULL || o_str_buf == NULL) - && mp_emergency_exception_buf_size >= EMG_BUF_STR_OFFSET + sizeof(mp_obj_str_t) + 16) { + && mp_emergency_exception_buf_size >= (mp_int_t)(EMG_BUF_STR_OFFSET + sizeof(mp_obj_str_t) + 16)) { used_emg_buf = true; o_str = (mp_obj_str_t *)((uint8_t *)MP_STATE_VM(mp_emergency_exception_buf) + EMG_BUF_STR_OFFSET); o_str_buf = (byte *)((uint8_t *)MP_STATE_VM(mp_emergency_exception_buf) + EMG_BUF_STR_BUF_OFFSET); @@ -573,7 +573,7 @@ void mp_obj_exception_add_traceback(mp_obj_t self_in, qstr file, size_t line, qs self->traceback_data = m_new_maybe(size_t, TRACEBACK_ENTRY_LEN); if (self->traceback_data == NULL) { #if MICROPY_ENABLE_EMERGENCY_EXCEPTION_BUF - if (mp_emergency_exception_buf_size >= EMG_BUF_TRACEBACK_OFFSET + EMG_BUF_TRACEBACK_SIZE) { + if (mp_emergency_exception_buf_size >= (mp_int_t)(EMG_BUF_TRACEBACK_OFFSET + EMG_BUF_TRACEBACK_SIZE)) { // There is room in the emergency buffer for traceback data size_t *tb = (size_t *)((uint8_t *)MP_STATE_VM(mp_emergency_exception_buf) + EMG_BUF_TRACEBACK_OFFSET); |