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bc: simplify bc_program_len()

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function                                             old     new   delta
bc_program_len                                        42      34      -8

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2018-12-10 12:57:01 +01:00
parent 44d79d866d
commit a7f1a36540
1 changed files with 7 additions and 5 deletions
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12
miscutils/bc.c
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@ -6254,12 +6254,14 @@ static unsigned long bc_program_scale(BcNum *n)
static unsigned long bc_program_len(BcNum *n)
{
unsigned long len = n->len;
size_t i;
if (n->rdx != n->len) return len;
for (i = n->len - 1; i < n->len && n->num[i] == 0; --len, --i);
size_t len = n->len;
if (n->rdx != len) return len;
for (;;) {
if (len == 0) break;
len--;
if (n->num[len] != 0) break;
}
return len;
}