Remove names.

01_modultechnik/main.c

@@ -45,7 +45,7 @@ int main()
 
     printf("\nNach sortierter Eingabe:\n");
     printNames();
-    printf("\n");
+    printf("\n");*/
 
     while((inputName("Namen entfernen: ", buffer, MAX_BUFFER_LEN) != NULL) && (strlen(buffer) > 0))
     {
@@ -56,7 +56,7 @@ int main()
     }
 
     printf("\nNach Entfernen:\n");
-    printNames();*/
+    printNames();
 
     return EXIT_SUCCESS;
 }

01_modultechnik/namesarchive.c

@@ -3,6 +3,8 @@
 #include <stdio.h>
 #include <string.h>
 
+#define INDEX_NOT_FOUND -1
+
 static char names[MAX_NAMES][MAX_NAME_LEN+1];
 static unsigned int numberOfEntries = 0;
 
@@ -40,3 +42,38 @@ void printNames()
         printf("%s\n", names[i]);
     }
 }
+
+static int getNameIdx(const char *name)
+{
+    for(int i = 0; i < numberOfEntries; i++)
+    {
+        if(strcmp(name, names[i]) == 0)
+            return i;
+    }
+    return INDEX_NOT_FOUND;
+}
+
+static void removeAt(int idx)
+{
+    for(int i = idx; i < numberOfEntries-1; i++)
+    {
+        strncpy(names[i], names[i+1], MAX_NAME_LEN+1);
+        names[i][MAX_NAME_LEN] = '\0';
+    }
+    numberOfEntries--;
+}
+
+int removeName(const char *name)
+{
+    int idx = getNameIdx(name);
+
+    if(idx == INDEX_NOT_FOUND)
+    {
+        return 0;
+    }
+    else
+    {
+        removeAt(idx);
+        return 1;
+    }
+}