a7f1a3654
Denys Vlasenko
2018-12-10
Subject
bc: simplify bc_program_len()
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miscutils/bc.c+7 -5
| @@ -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; | |
| } | |