bc: simplify another for() loop

function                                             old     new   delta
zbc_num_d                                            563     557      -6

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

diff --git a/miscutils/bc.c b/miscutils/bc.c
index 927873d862079692ac3e9ef76a7770c79d9ce79e..4b5cac08ae875ed808327f438b5772fe65c7bd89 100644 (file)
--- a/miscutils/bc.c
+++ b/miscutils/bc.c
@@ -1929,8 +1929,7 @@ err:
 
 static FAST_FUNC BC_STATUS zbc_num_d(BcNum *a, BcNum *b, BcNum *restrict c, size_t scale)
 {
-       BcStatus s = BC_STATUS_SUCCESS;
-       BcDig *n, *p, q;
+       BcStatus s;
        size_t len, end, i;
        BcNum cp;
 
@@ -1981,12 +1980,13 @@ static FAST_FUNC BC_STATUS zbc_num_d(BcNum *a, BcNum *b, BcNum *restrict c, size
        memset(c->num + end, 0, (c->cap - end) * sizeof(BcDig));
        c->rdx = cp.rdx;
        c->len = cp.len;
-       p = b->num;
 
-       for (i = end - 1; !s && i < end; --i) {
+       s = BC_STATUS_SUCCESS;
+       for (i = end - 1; i < end; --i) {
+               BcDig *n, q;
                n = cp.num + i;
-               for (q = 0; (!s && n[len] != 0) || bc_num_compare(n, p, len) >= 0; ++q)
-                       bc_num_subArrays(n, p, len);
+               for (q = 0; n[len] != 0 || bc_num_compare(n, b->num, len) >= 0; ++q)
+                       bc_num_subArrays(n, b->num, len);
                c->num[i] = q;
 #if ENABLE_FEATURE_BC_SIGNALS
                // a=2^100000