X-Git-Url: http://git.annexia.org/?a=blobdiff_plain;f=daemon%2Fzerofree.c;h=05a547bd59e91bda4ab44c8a1e720b8766abeccf;hb=22e531bc459309d9a871a845cfacd1396ff5b7e4;hp=457f8db05b3ccd68417421a96477696f873f6227;hpb=0c07f0d23698798475e0d09491812aca52440328;p=libguestfs.git

diff --git a/daemon/zerofree.c b/daemon/zerofree.c
index 457f8db..05a547b 100644
--- a/daemon/zerofree.c
+++ b/daemon/zerofree.c
@@ -26,9 +26,17 @@
 
 #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;