From cf06b0818f5c0a0881ebaa0d25a54ab3698765e4 Mon Sep 17 00:00:00 2001
From: vj586da <valer.jakubco@student.tuke.sk>
Date: Fri, 26 Nov 2021 03:03:26 +0100
Subject: [PATCH] Koniec vstupu

---
 cv8/program.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/cv8/program.c b/cv8/program.c
index 835536a..c34ee26 100644
--- a/cv8/program.c
+++ b/cv8/program.c
@@ -59,6 +59,10 @@ void ask(struct node* tree){
     }
     char buff[SIZE];
     char* r = fgets(buff, SIZE, stdin);
+    if(r == NULL){
+        puts("Koniec vstupu");
+        return;
+    }
     r = fgets(buff, SIZE, stdin);
     if(r[0] == 'a' && tree->left != NULL){
         tree = tree->left;