From b7c0451cd2aebfd1fd24d7f6cc8a5e78750b911b Mon Sep 17 00:00:00 2001
From: inex <gitea@inex.rocks>
Date: Sat, 7 Mar 2020 14:21:02 +0300
Subject: [PATCH] Fix bug with substraction

---
 task2/task2.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/task2/task2.c b/task2/task2.c
index 06beca8..a0f908c 100644
--- a/task2/task2.c
+++ b/task2/task2.c
@@ -97,7 +97,7 @@ void divide(STACK* st) {
 int parse(char *s, STACK* stack) {
 	double operand = 0;
 	char *endptr;
-	if (*s == '-' && *(s+1) != '\0') {
+	if ((*s == '-') && (*(s+1) == '\0')) {
 		substract(stack);
 		return 0;
 	} else if (*s == '+') {
@@ -119,7 +119,7 @@ int parse(char *s, STACK* stack) {
 
 
 int main(int argc, char **argv) {
-	STACK* operands = init_stack(100);
+	STACK* operands = init_stack(argc);
 	int error;
 	while(*++argv) {
 		error = parse(*argv, operands);
@@ -129,6 +129,7 @@ int main(int argc, char **argv) {
 		}
 	}
 	int i;
+	printf("Stack status:\n");
 	for (i = (operands -> cnt); i > 0; i--) printf("%f\n", pop(operands));
 	return 0;
 }