hivex: Reimplement hivexget as a simple shell script.

[libguestfs.git] / daemon / zerofree.c

diff --git a/daemon/zerofree.c b/daemon/zerofree.c
index b44965a..05a547b 100644 (file)
--- a/daemon/zerofree.c
+++ b/daemon/zerofree.c
@@ -1,5 +1,5 @@
 /* libguestfs - the guestfsd daemon
- * Copyright (C) 2009 Red Hat Inc. 
+ * Copyright (C) 2009 Red Hat 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
@@ -26,6 +26,14 @@
 
 #include "daemon.h"
 #include "actions.h"
+#include "optgroups.h"
+
+int
+optgroup_zerofree_available (void)
+{
+  int r = access ("/usr/sbin/zerofree", X_OK);
+  return r == 0;
+}
 
 int
 do_zerofree (const char *device)
@@ -33,8 +41,6 @@ do_zerofree (const char *device)
   char *err;
   int r;
 
-  IS_DEVICE (device, -1);
-
   r = command (NULL, &err, "/usr/sbin/zerofree", device, NULL);
   if (r == -1) {
     reply_with_error ("zerofree: %s: %s", device, err);