From 04959332f2b8a4638e222b9829ec7fba1832371e Mon Sep 17 00:00:00 2001
From: Emma Nora Theuer <kontakt@entheuer.de>
Date: Mon, 28 Oct 2024 13:47:25 +0100
Subject: [PATCH] Fixed a bug where is_num() and is_int() returned true when a
 letter was entered.

---
 Übung 2/util.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Übung 2/util.c b/Übung 2/util.c
index 1f96ab3..81bd537 100644
--- a/Übung 2/util.c	
+++ b/Übung 2/util.c	
@@ -15,13 +15,13 @@ bool is_num(char *str) {
         return false;
     }
     while (*str) {
-        if (!isdigit((unsigned char)*str) || !(*str == '.')) {
-            return true;
+        if (!isdigit((unsigned char)*str)) {
+            return false;
         }
         str++;
     }
 
-    return false;
+    return true;
 }
 
 bool is_int(char *str) {
@@ -33,7 +33,7 @@ bool is_int(char *str) {
     }
     while (*str) {
         if (!isdigit((unsigned char)*str)) {
-            return true;
+            return false;
         }
         str++;
     }