py/modstruct: Raise ValueError on unsupported format char.

This commit is contained in:
Paul Sokolovsky 2016-05-14 15:47:08 +03:00
parent 2ae6697300
commit e53fb1bf03

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@ -120,8 +120,9 @@ STATIC mp_obj_t struct_calcsize(mp_obj_t fmt_in) {
if (sz == 0) {
sz = (mp_uint_t)mp_binary_get_size(fmt_type, *fmt, &align);
}
// TODO
assert(sz != (mp_uint_t)-1);
if (sz == 0) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, "unsupported format"));
}
// Apply alignment
size = (size + align - 1) & ~(align - 1);
size += sz;