correct boundary check. XXX should avoid code duplicate here...

1 files changed, 2 insertions, 2 deletions

diff --git a/src/lib/libc/net/getaddrinfo.c b/src/lib/libc/net/getaddrinfo.c
index 8de6394a10..960d7d3584 100644
--- a/src/lib/libc/net/getaddrinfo.c
+++ b/src/lib/libc/net/getaddrinfo.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: getaddrinfo.c,v 1.17 2000/03/16 14:08:55 itojun Exp $ */
+/*      $OpenBSD: getaddrinfo.c,v 1.18 2000/04/25 13:39:02 itojun Exp $ */
 
 /*
  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -1767,7 +1767,7 @@ res_querydomainN(name, domain, target)
                         h_errno = NO_RECOVERY;
                         return (-1);
                 }
-                if (n-- != 0 && name[n] == '.') {
+                if (n > 0 && name[--n] == '.') {
                         strncpy(nbuf, name, n);
                         nbuf[n] = '\0';
                 } else