@@ -42,7 +42,7 @@ void stack_push(stack **s, float value) { } int stack_empty(stack **s) { - return *s == NULL; + return (*s == NULL || *s < 0); } float stack_pop(stack **s) { stack.c 87eb2d25e2f5ab9f98f4a0f8f69cc9e480c16e38 Alan Dipert alan.dipert@gmail.com http://github.com/alandipert/minirpn/commit/2c5571b0dc356547703400ab58fd39f1f2b0e410 2c5571b0dc356547703400ab58fd39f1f2b0e410 2009-11-07T12:48:00-08:00 2009-11-07T12:48:00-08:00 better empty check 8f00831376fc9eac5247cdefdf77adf948e634af Alan Dipert alan.dipert@gmail.com