bc: another for() loop simplified

function                                             old     new   delta
zbc_program_print                                    688     686      -2

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

1 files changed, 9 insertions, 3 deletions

diff --git a/miscutils/bc.c b/miscutils/bc.c
index 4b5cac08a..37c9012f9 100644
--- a/miscutils/bc.c
+++ b/miscutils/bc.c
@@ -5448,7 +5448,7 @@ err:
 static BC_STATUS zbc_num_printBase(BcNum *n)
 {
         BcStatus s;
-        size_t width, i;
+        size_t width;
         BcNumDigitOp print;
         bool neg = n->neg;
 
@@ -5463,8 +5463,14 @@ static BC_STATUS zbc_num_printBase(BcNum *n)
                 width = 1;
                 print = bc_num_printHex;
         } else {
-                for (i = G.prog.ob_t - 1, width = 0; i != 0; i /= 10, ++width)
-                        continue;
+                unsigned i = G.prog.ob_t - 1;
+                width = 0;
+                for (;;) {
+                        width++;
+                        i /= 10;
+                        if (i == 0)
+                                break;
+                }
                 print = bc_num_printDigits;
         }