+static VALUE ruby_guestfs_fsck (VALUE gv, VALUE fstypev, VALUE devicev)
+{
+ guestfs_h *g;
+ Data_Get_Struct (gv, guestfs_h, g);
+ if (!g)
+ rb_raise (rb_eArgError, "%s: used handle after closing it", "fsck");
+
+ const char *fstype = StringValueCStr (fstypev);
+ if (!fstype)
+ rb_raise (rb_eTypeError, "expected string for parameter %s of %s",
+ "fstype", "fsck");
+ const char *device = StringValueCStr (devicev);
+ if (!device)
+ rb_raise (rb_eTypeError, "expected string for parameter %s of %s",
+ "device", "fsck");
+
+ int r;
+
+ r = guestfs_fsck (g, fstype, device);
+ if (r == -1)
+ rb_raise (e_Error, "%s", guestfs_last_error (g));
+
+ return INT2NUM (r);
+}
+
+static VALUE ruby_guestfs_zero (VALUE gv, VALUE devicev)
+{
+ guestfs_h *g;
+ Data_Get_Struct (gv, guestfs_h, g);
+ if (!g)
+ rb_raise (rb_eArgError, "%s: used handle after closing it", "zero");
+
+ const char *device = StringValueCStr (devicev);
+ if (!device)
+ rb_raise (rb_eTypeError, "expected string for parameter %s of %s",
+ "device", "zero");
+
+ int r;
+
+ r = guestfs_zero (g, device);
+ if (r == -1)
+ rb_raise (e_Error, "%s", guestfs_last_error (g));
+
+ return Qnil;
+}
+
+static VALUE ruby_guestfs_grub_install (VALUE gv, VALUE rootv, VALUE devicev)
+{
+ guestfs_h *g;
+ Data_Get_Struct (gv, guestfs_h, g);
+ if (!g)
+ rb_raise (rb_eArgError, "%s: used handle after closing it", "grub_install");
+
+ const char *root = StringValueCStr (rootv);
+ if (!root)
+ rb_raise (rb_eTypeError, "expected string for parameter %s of %s",
+ "root", "grub_install");
+ const char *device = StringValueCStr (devicev);
+ if (!device)
+ rb_raise (rb_eTypeError, "expected string for parameter %s of %s",
+ "device", "grub_install");
+
+ int r;
+
+ r = guestfs_grub_install (g, root, device);
+ if (r == -1)
+ rb_raise (e_Error, "%s", guestfs_last_error (g));
+
+ return Qnil;
+}
+