Initial commit

uebung6/aufgabe5.c

@@ -0,0 +1,104 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+
+struct Node {
+    int data;
+    struct Node *next;
+};
+
+void insertAtBeginning(struct Node** head, int data) {
+    struct Node* newNode = (struct Node*)malloc(sizeof(struct Node));
+    newNode->data = data;
+    newNode->next = *head;
+    *head = newNode;
+}
+
+void sortList(struct Node* head) {
+    int swapped;
+    struct Node* current;
+    struct Node* last = NULL;
+
+    if (head == NULL) {
+        return;
+    }
+
+    do {
+        swapped = 0;
+        current = head;
+
+        while (current->next != last) {
+            if (current->data < current->next->data) {
+                int temp = current->data;
+                current->data = current->next->data;
+                current->next->data = temp;
+                swapped = 1;
+            }
+
+            current = current->next;
+        }
+
+        last = current;
+    } while (swapped);
+}
+
+
+void printList(struct Node* head) {
+    struct Node* current = head;
+
+    printf("Liste: [");
+    while (current != NULL) {
+        printf("%d", current->data);
+        if (current->next != NULL) {
+            printf(", ");
+        }
+        current = current->next;
+    }
+    printf("]\n");
+}
+
+void saveNodeInFile(char filepath[], struct Node *head) {
+    FILE *file = fopen(filepath, "w");
+    struct Node *item = head->next;
+    while (item) {
+        fwrite(&(item->data), sizeof(int), 1, file);
+        item = item->next;
+     }
+    fclose(file);
+}
+
+struct Node* loadNodeFromFile(char filepath[]) {
+    FILE *file = fopen(filepath, "r");
+    struct Node *list = NULL;
+    while (!feof(file)) {
+        int number = 0;
+        if (fread(&number, sizeof(int), 1, file))
+            insertAtBeginning(list, number);
+    }
+    fclose(file);
+    return list;
+}
+
+int main() {
+    struct Node* head = NULL;
+
+    // 1000 zufällige Werte hinzufügen
+    for (int i = 0; i < 1000; i++) {
+        int n = rand() % 1000;
+        insertAtBeginning(&head, n);
+    }
+
+    // Sortierung der Liste
+    sortList(head);
+
+    // Ausgabe der Liste
+    printList(head);
+
+    //Speicherung von Node in node.txt Datei
+    saveNodeInFile("/home/theo/CLionProjects/uebung6/files/node.txt", head);
+
+    //Laden des Inhalts der node.txt in Node
+    loadNodeFromFile("/home/theo/CLionProjects/uebung6/files/node.txt");
+
+    return 0;
+}