X-Git-Url: http://git.annexia.org/?a=blobdiff_plain;f=daemon%2Fzerofree.c;h=05a547bd59e91bda4ab44c8a1e720b8766abeccf;hb=1e4614ca8f8d2b3d758fef733f1294c611502b94;hp=ffb9b70b5c8abcf7c6ddb7f5bf3952e2e2e89d7c;hpb=84fc760439e82e6b3616abd0d1f9bd7d7eb01ec0;p=libguestfs.git

diff --git a/daemon/zerofree.c b/daemon/zerofree.c
index ffb9b70..05a547b 100644
--- a/daemon/zerofree.c
+++ b/daemon/zerofree.c
@@ -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)