FIXED: Memory leaks and unused color table

Implementierung/main.c

@@ -233,14 +233,16 @@ int main(int argc, char** argv)
                 return EXIT_FAILURE;
             }
             
-            output_data = malloc(strlen(optarg) + 1);
+            int output_data_length = strlen(optarg) + 1;
+            output_data = malloc(output_data_length);
             if (output_data == NULL)
             {
                 fprintf(stderr,"Memory allocation failed.\n");
                 return EXIT_FAILURE;
             }
             
-            strcpy(output_data,optarg);
+            strncpy(output_data,optarg,output_data_length);
+            output_data[output_data_length-1] = 0;
             break;
 
         case 'C':
@@ -269,14 +271,15 @@ int main(int argc, char** argv)
     float complex start = (starting_point_real + starting_point_imaginary*I);
     int bytesPerColour = colored ? 3 : 1;
     ssize_t absolute_height = height >= 0 ? height : height * - 1;
+
+    if (will_test)
+        return tests() ? EXIT_FAILURE : EXIT_SUCCESS;
+
     unsigned char *imageArr = malloc(width*absolute_height*bytesPerColour);// allocate image array on the heap to support large images as the stack is usually only 8 MB big
 
     if(imageArr == NULL)
         exit(EXIT_FAILURE);
-    
-    if (will_test)
-        return tests() ? EXIT_FAILURE : EXIT_SUCCESS;
-    
+        
     if (!(nGiven && rGiven && oGiven && dGiven && sGiven))
     {
         checkInputs(nGiven,rGiven,oGiven,dGiven,sGiven);