From 82da52cd1f2e3f2dbb1940778f9327e6f5d517aa Mon Sep 17 00:00:00 2001
From: Anton Dolozin <anton.dolozin@student.tuke.sk>
Date: Wed, 8 Oct 2025 07:33:38 +0200
Subject: [PATCH] Fixing

---
 du3/program.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/du3/program.c b/du3/program.c
index dae0138..ddfb3c5 100644
--- a/du3/program.c
+++ b/du3/program.c
@@ -96,11 +96,15 @@ void process_operations(struct stack* stack) {
             }
             // endpointer pre nacitanie pomocou strtof;
             char *endptr;
-            
+            // ked' format nie je spravny, prerusime a vypiseme chybu
+            if (line[0] == '.')
+            { printf("bad input\n");
+            return;
+            }
             // skusame nacitat' vstup
             float val = strtof(line, &endptr);
             // v pripade ze nie je cislo prerusime a vypiseme chubu
-            if (endptr != '\0') { 
+            if (endptr == line) { 
                 printf("bad input\n");
                 return;
             }