--- bigbang.c.old	2015-10-27 09:21:51.172611109 +0100
+++ bigbang.c	2015-10-27 09:25:41.117233447 +0100
@@ -530,13 +530,11 @@
     planetfile = fopen ("./planets.data", "w");
     for (loop = 1; loop <= 299 - strlen(terraInfo); loop++)
         strcat(terraInfo, " ");
-    strcat(terraInfo, "\n");
-    fprintf (planetfile, terraInfo);
+    fprintf (planetfile, "%s\n", terraInfo);
     sprintf (ferrinfo, "%d:%d:Ferringhi:1:-2:Unknown:1000:1000:1000:0:0:0:0:3:100000:20:30:10:0:0:0:0:", 2, ferringhiSector);
     for (loop = 1; loop <= 299 - strlen(ferrinfo); loop++)
         strcat(ferrinfo, " ");
-    strcat(ferrinfo, "\n");
-    fprintf(planetfile, ferrinfo);
+    fprintf(planetfile, "%s\n", ferrinfo);
     randomPlanetInfo = malloc (sizeof (strNameLength));
     if (numRandomPlanets > 0)
     {
@@ -552,8 +550,7 @@
                      , c, tempint, randomname (randomPlanetInfo), randomnum(1,5));
             for (loop = 1; loop <= 299 - strlen(ferrinfo); loop++)
                 strcat(ferrinfo, " ");
-            strcat(ferrinfo, "\n");
-            fprintf(planetfile, ferrinfo);
+            fprintf(planetfile, "%s\n", ferrinfo);
 
             c++;
         }
@@ -616,10 +613,9 @@
         fileline = strcat (fileline, ":");
         if (sectorlist[x]->nebulae != NULL)
             fileline = strcat (fileline, sectorlist[x]->nebulae);
-        fileline = strcat (fileline, ":\n");
         /*  Later put in whitespace buffer for saving */
         /*  Not needed until user created beacons put in */
-        fprintf (file, fileline);
+        fprintf (file, "%s:\n", fileline);
     }
     fclose (file);
     free (fileline);
@@ -646,8 +642,7 @@
         len = (int) strlen (fileline);
         for (y = 0; y <= 99 - len; y++)
             strcat (fileline, " ");
-        strcat (fileline, "\n");
-        fprintf (file, fileline);
+        fprintf (file, "%s\n", fileline);
     }
     fclose (file);
 
--- config.c.old	2015-10-27 09:30:00.091283678 +0100
+++ config.c	2015-10-27 09:30:25.068806593 +0100
@@ -140,9 +140,8 @@
 
   for (loop=0; loop < 199 - strlen(buffer); loop++)
 		strcat(buffer, " ");
-  strcat(buffer, "\n");
 
-  fprintf(configfile, buffer);
+  fprintf(configfile, "%s\n", buffer);
 
   fclose(configfile);
   free(buffer);
--- planet.c.old	2015-10-27 09:31:44.867282757 +0100
+++ planet.c	2015-10-27 09:32:17.083667674 +0100
@@ -59,8 +59,7 @@
 		addint(stufftosave, planets[index]->citdl->upgradestart, ':', BUFF_SIZE);
 		for (loop=0; loop< 399 - strlen(stufftosave); loop++)
 			strcat(stufftosave, " ");
-		strcat(stufftosave, "\n");
-		fprintf(planetfile, stufftosave);
+		fprintf(planetfile, "%s\n", stufftosave);
 		}
 	}
 	fclose(planetfile);