--- a/cinst/main.c	Fri Jun 20 12:53:16 2014 +0200
+++ b/cinst/main.c	Fri Jun 20 14:29:05 2014 +0200
@@ -84,7 +84,7 @@
 
   if (*to_install || *to_remove)
     {
-      printf ("Error invalid parameters.\n");
+      ERRORPRINTF ("Error invalid parameters.\n");
       return -1;
     }
 
@@ -113,13 +113,13 @@
       size_t len = strlen (buf); /* fgets ensures buf is terminated */
       if (len <= 3)
         {
-          printf ("Line too short.\n");
+          ERRORPRINTF ("Line too short.\n");
           fclose (f);
           return ERR_INVALID_INPUT;
         }
       if (lines_read++ > MAX_LINES)
         {
-          printf ("Too many lines\n");
+          ERRORPRINTF ("Too many lines\n");
           fclose (f);
           return ERR_TOO_MUCH_INPUT;
         }