Fix CONFIG_ASH_MATH_SUPPORT_64 so it actually works

1 files changed, 4 insertions, 4 deletions

diff --git a/shell/ash.c b/shell/ash.c
index a5929044b..d9ea2b0f3 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -13271,7 +13271,7 @@ arith_apply(operator op, v_n_t *numstack, v_n_t **numstackptr)
                         if(numptr_val < 0)
                                 return -3;      /* exponent less than 0 */
                         else {
-                                long c = 1;
+                                arith_t c = 1;
 
                                 if(numptr_val)
                                         while(numptr_val--)
@@ -13294,7 +13294,7 @@ arith_apply(operator op, v_n_t *numstack, v_n_t **numstackptr)
                         goto err;
                 }
                 /* save to shell variable */
-                sprintf(buf, "%lld", (long long) rez);
+                snprintf(buf, sizeof(buf), "%lld", (long long) rez);
                 setvar(numptr_m1->var, buf, 0);
                 /* after saving, make previous value for v++ or v-- */
                 if(op == TOK_POST_INC)
@@ -13420,7 +13420,7 @@ static arith_t arith (const char *expr, int *perrcode)
                         goto prologue;
                 }
                 if((p = endofname(expr)) != expr) {
-                        int var_name_size = (p-expr) + 1;  /* trailing zero */
+                        size_t var_name_size = (p-expr) + 1;  /* trailing zero */
 
                         numstackptr->var = alloca(var_name_size);
                         safe_strncpy(numstackptr->var, expr, var_name_size);
@@ -13432,7 +13432,7 @@ static arith_t arith (const char *expr, int *perrcode)
                         continue;
                 } else if (is_digit(arithval)) {
                         numstackptr->var = NULL;
-                        numstackptr->val = strtol(expr, (char **) &expr, 0);
+                        numstackptr->val = strtoll(expr, (char **) &expr, 0);
                         goto num;
                 }
                 for(p = op_tokens; ; p++) {