(usage): Use EXIT_SUCCESS, not 0, for clarity.

(main): Exit with status 1, not 4, if not implemented.

diff --git a/src/mknod.c b/src/mknod.c
index 1d8278a57f20bc0b2482888794c8a0e122f48bd8..fdf2b0ebeef80fe2e86991240a1891b040157edd 100644 (file)
--- a/src/mknod.c
+++ b/src/mknod.c
@@ -1,5 +1,5 @@
 /* mknod -- make special files
-   Copyright (C) 90, 91, 1995-2003 Free Software Foundation, Inc.
+   Copyright (C) 90, 91, 1995-2004 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -47,7 +47,7 @@ static struct option const longopts[] =
 void
 usage (int status)
 {
-  if (status != 0)
+  if (status != EXIT_SUCCESS)
     fprintf (stderr, _("Try `%s --help' for more information.\n"),
             program_name);
   else
@@ -151,7 +151,7 @@ main (int argc, char **argv)
     {
     case 'b':                  /* `block' or `buffered' */
 #ifndef S_IFBLK
-      error (4, 0, _("block special files not supported"));
+      error (EXIT_FAILURE, 0, _("block special files not supported"));
 #else
       node_type = S_IFBLK;
 #endif
@@ -160,7 +160,7 @@ main (int argc, char **argv)
     case 'c':                  /* `character' */
     case 'u':                  /* `unbuffered' */
 #ifndef S_IFCHR
-      error (4, 0, _("character special files not supported"));
+      error (EXIT_FAILURE, 0, _("character special files not supported"));
 #else
       node_type = S_IFCHR;
 #endif
@@ -204,7 +204,7 @@ numbers must be specified"));
 
     case 'p':                  /* `pipe' */
 #ifndef S_ISFIFO
-      error (4, 0, _("fifo files not supported"));
+      error (EXIT_FAILURE, 0, _("fifo files not supported"));
 #else
       if (argc - optind != 2)
        {