Make sure we don't print a full 64-bit sign-extended value
when printing a negative integer in hexadecimal base.
Fixes #848
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
{
uint64_t v;
- if (!integer_declaration->signedness)
+ if (!integer_declaration->signedness) {
v = integer_definition->value._unsigned;
- else
+ } else {
+ /* Round length to the nearest nibble */
+ uint8_t rounded_len = ((integer_declaration->len + 3) & ~0x3);
+
v = (uint64_t) integer_definition->value._signed;
+ v &= ((uint64_t) 1 << rounded_len) - 1;
+ }
fprintf(pos->fp, "0x%" PRIX64, v);
break;