From 7204abb7cf60030e16741f0ef87f8ef80680cef8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tom=C3=A1=C5=A1=20Vl=C4=8Dek?= <tomas.vlcek@student.tuke.sk>
Date: Thu, 12 Mar 2026 13:10:54 +0000
Subject: [PATCH] Aktualizovat du2/program.c

---
 du2/program.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/du2/program.c b/du2/program.c
index 0e0fe50..c5231f7 100644
--- a/du2/program.c
+++ b/du2/program.c
@@ -41,6 +41,11 @@ int main() {
     {
         //poistka - zacne vyskoci z kodu, ak je prvy char neplatny
         char* linePtr = line;
+        if (*linePtr == NULL) // ak nic NIE je privedene na vstup
+        {
+            prvyZaznamReadExceptionThrown = true;
+            break;
+        }
         if (!isdigit(*linePtr))
         {
             if (x == 0) //ak chyba nastala hned pri citani prveho zaznamu