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py/binary: Fix sign extension setting wide integer on 32-bit archs.

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Signed-off-by: Damien George <damien@micropython.org>
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Damien George
2020-11-05 22:42:28 +11:00
parent bdfb584b29
commit d7e1526593
3 changed files with 27 additions and 27 deletions
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2
py/binary.c
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@@ -343,7 +343,7 @@ void mp_binary_set_val(char struct_type, char val_type, mp_obj_t val_in, byte *p
val = mp_obj_get_int(val_in);
// zero/sign extend if needed
if (BYTES_PER_WORD < 8 && size > sizeof(val)) {
int c = (is_signed(val_type) && (mp_int_t)val < 0) ? 0xff : 0x00;
int c = (mp_int_t)val < 0 ? 0xff : 0x00;
memset(p, c, size);
if (struct_type == '>') {
p += size - sizeof(val);