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-rw-r--r--miscutils/bc.c18
1 files changed, 14 insertions, 4 deletions
diff --git a/miscutils/bc.c b/miscutils/bc.c
index e5ad0ed86..eaab6cee6 100644
--- a/miscutils/bc.c
+++ b/miscutils/bc.c
@@ -1475,10 +1475,20 @@ static void bc_num_subArrays(BcDig *restrict a, BcDig *restrict b,
static ssize_t bc_num_compare(BcDig *restrict a, BcDig *restrict b, size_t len)
{
- size_t i;
- int c = 0;
- for (i = len - 1; i < len && !(c = a[i] - b[i]); --i);
- return BC_NUM_NEG(i + 1, c < 0);
+ size_t i = len;
+ for (;;) {
+ int c;
+ if (i == 0)
+ return 0;
+ i--;
+ c = a[i] - b[i];
+ if (c != 0) {
+ i++;
+ if (c < 0)
+ return -i;
+ return i;
+ }
+ }
}
static ssize_t bc_num_cmp(BcNum *a, BcNum *b)