1 files changed, 10 insertions, 7 deletions

diff --git a/miscutils/bc.c b/miscutils/bc.c
index 685427e58..9eafa80e9 100644
--- a/miscutils/bc.c
+++ b/miscutils/bc.c
@@ -1411,23 +1411,26 @@ static void bc_num_copy(BcNum *d, BcNum *s)
         }
 }
 
-static BcStatus bc_num_ulong(BcNum *n, unsigned long *result)
+static BcStatus bc_num_ulong(BcNum *n, unsigned long *result_p)
 {
         size_t i;
-        unsigned long pow;
+        unsigned long pow, result;
 
         if (n->neg) return bc_error("negative number");
 
-        for (*result = 0, pow = 1, i = n->rdx; i < n->len; ++i) {
+        for (result = 0, pow = 1, i = n->rdx; i < n->len; ++i) {
 
-                unsigned long prev = *result, powprev = pow;
+                unsigned long prev = result, powprev = pow;
 
-                *result += ((unsigned long) n->num[i]) * pow;
+                result += ((unsigned long) n->num[i]) * pow;
                 pow *= 10;
 
-                if (*result < prev || pow < powprev)
+                if (result < prev || pow < powprev)
                         return bc_error("overflow");
+                prev = result;
+                powprev = pow;
         }
+        *result_p = result;
 
         return BC_STATUS_SUCCESS;
 }
@@ -5855,7 +5858,6 @@ static BcStatus bc_program_assign(char inst)
         BcStatus s;
         BcResult *left, *right, res;
         BcNum *l = NULL, *r = NULL;
-        unsigned long val, max;
         bool assign = inst == BC_INST_ASSIGN, ib, sc;
 
         s = bc_program_binOpPrep(&left, &l, &right, &r, assign);
@@ -5909,6 +5911,7 @@ static BcStatus bc_program_assign(char inst)
                         "bad obase; must be [2, BC_BASE_MAX]",  //BC_RESULT_OBASE
                 };
                 size_t *ptr;
+                unsigned long val, max;
 
                 s = bc_num_ulong(l, &val);
                 if (s)