bigint.c (digits): check zero length bigint.

2026-06-08 16:11:16 +00:00 · 2022-07-20 14:39:05 +09:00
parent 2b07489372
commit cfea0c28a0
1 changed files with 2 additions and 0 deletions
@@ -90,6 +90,8 @@ static size_t
 digits(mpz_t *x)
 {
  size_t i;
+
+  if (x->sz == 0) return 0;
  for (i = (x->sz) - 1; (x->p)[i] == 0 ; i--)
    if (i == 0) break;
  return i+1;