From 078e326e4d11a4381c1240c2646732f04968bf17 Mon Sep 17 00:00:00 2001
From: Bjoern <bjoernfaerber1103@gmail.com>
Date: Tue, 28 Oct 2025 15:07:54 +0100
Subject: [PATCH] Umlautfunktion verbessert

---
 Start_Windows/input.c | 22 ++++++++++++++++++----
 Start_Windows/input.h |  1 +
 2 files changed, 19 insertions(+), 4 deletions(-)

diff --git a/Start_Windows/input.c b/Start_Windows/input.c
index 2d49de6..b9fc7ec 100644
--- a/Start_Windows/input.c
+++ b/Start_Windows/input.c
@@ -19,19 +19,33 @@ int readWords(FILE *file, char words[][MAX_WORD_LEN], unsigned int maxWordCount)
         // Tokenize Zeile nach Trennzeichen
         char *token = strtok(line, delimiters);
 
-        while (token != NULL && count < maxWordCount) {
+        while (token != NULL && count < maxWordCount) 
+        {
             // Alles in Großbuchstaben umwandeln
-            for (int i = 0; token[i]; i++) {
+            for (int i = 0; token[i]; i++) 
+            {
                 token[i] = toupper(token[i]);
             
             // Prüfen, ob das Wort nur A-Z enthält
-            /*if (!isValidWord(token)) 
+
+            int isValidWord(const char *word)
+            {
+                for (int i = 0;word[i]; i++)
+                {
+                    if (!('A' <= word[i] && word[i] <= 'Z'))
+                    {
+                        return 0;
+                    }
+                }
+                return 1;
+            }
+
+            if (!isValidWord(token)) 
             {
                 fprintf(stderr, "Ungültiges Wort gefunden: '%s'. Nur Buchstaben A-Z erlaubt.\n", token);
                 token = strtok(NULL, delimiters);
                 continue; // Wort ignorieren
             }
-            */
             }
 
             // Wort ins Array kopieren
diff --git a/Start_Windows/input.h b/Start_Windows/input.h
index 032ec28..a0c73dd 100644
--- a/Start_Windows/input.h
+++ b/Start_Windows/input.h
@@ -7,5 +7,6 @@
 #define MAX_LINE_LEN 1024
 
 int readWords(FILE *file, char words[][MAX_WORD_LEN], unsigned int maxWordCount);
+int isValidWord(const char *word)
 
 #endif