Allow compilation on older versions of FreeBSD.

1 files changed, 3 insertions, 1 deletions

diff --git a/srcx/util.c b/srcx/util.c
index ffea8ff..dd0af87 100644
--- a/srcx/util.c
+++ b/srcx/util.c
@@ -120,14 +120,16 @@ jails_next (jails *jls)
 		case 2:
 			xp = xp + 1;
 			break;
+#ifdef JAIL_MULTIADDR
 		case 3:
 			data = (unsigned char*)(xp + 1);
 			data += (xp->pr_ip4s * sizeof(struct in_addr));
 			data += (xp->pr_ip6s * sizeof(struct in6_addr));
 			xp = (struct xprison*)data;
 			break;
+#endif
 		default:
-			errx(1, "unknown jail structure");
+			errx(1, "unknown version of jail structure: %d", xp->pr_version);
 			break;
 		}
 	}