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

(main): Don't assume EXIT_FAILURE == 1, as POSIX doesn't require it.

diff --git a/src/shred.c b/src/shred.c
index 9453cb30cf157040021b18b0cb2ed5cc620ea4de..bc89567b7043cde46f8937edc247ed1fe8f3dd32 100644 (file)
--- a/src/shred.c
+++ b/src/shred.c
@@ -1,6 +1,6 @@
 /* shred.c - overwrite files and devices to make it harder to recover data
 
-   Copyright (C) 1999-2003 Free Software Foundation, Inc.
+   Copyright (C) 1999-2004 Free Software Foundation, Inc.
    Copyright (C) 1997, 1998, 1999 Colin Plumb.
 
    This program is free software; you can redistribute it and/or modify
@@ -151,7 +151,7 @@ char const *program_name; /* Initialized before any possible use */
 void
 usage (int status)
 {
-  if (status != 0)
+  if (status != EXIT_SUCCESS)
     fprintf (stderr, _("Try `%s --help' for more information.\n"),
             program_name);
   else
@@ -1622,7 +1622,7 @@ main (int argc, char **argv)
   /* Just on general principles, wipe s. */
   memset (&s, 0, sizeof s);
 
-  exit (err);
+  exit (err == 0 ? EXIT_SUCCESS : EXIT_FAILURE);
 }
 /*
  * vim:sw=2:sts=2: