X-Git-Url: http://git.annexia.org/?a=blobdiff_plain;f=daemon%2Fzerofree.c;h=05a547bd59e91bda4ab44c8a1e720b8766abeccf;hb=25081d62684eea9e704ecc0a0a15d2421b203356;hp=8000bb3acce99d2225eea7ae8fa8ca9feb03e12d;hpb=a7b73d4a1e09f12b2002083618056f0c823c1dcf;p=libguestfs.git

diff --git a/daemon/zerofree.c b/daemon/zerofree.c
index 8000bb3..05a547b 100644
--- a/daemon/zerofree.c
+++ b/daemon/zerofree.c
@@ -26,15 +26,21 @@
 
 #include "daemon.h"
 #include "actions.h"
+#include "optgroups.h"
 
 int
-do_zerofree (char *device)
+optgroup_zerofree_available (void)
+{
+  int r = access ("/usr/sbin/zerofree", X_OK);
+  return r == 0;
+}
+
+int
+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);