--- greedy.c.str	2009-04-06 09:29:29.000000000 +0200
+++ greedy.c	2009-04-06 09:30:04.000000000 +0200
@@ -166,7 +166,7 @@
       parsefloatlist(argv[i],suitness);
     }
     else {
-      fprintf(stderr,argv[i]);
+      fprintf(stderr,"%s",argv[i]);
       usage(argv[0],"unknown option or argument");
     }
   }
@@ -1162,7 +1162,7 @@
       sprintf(tb,"(%4.1f) ",mval);
       strncpy(&totbuf[11*(reclevel-1)+4],tb,7);
     }
-    else printf(totbuf);
+    else printf("%s",totbuf);
   }
   return mval;
 }