From 507982af79847f44c763ff70db15104d78174b2e Mon Sep 17 00:00:00 2001
From: Corinna Vinschen <corinna@vinschen.de>
Date: Wed, 13 Feb 2019 12:41:55 +0100
Subject: [PATCH] Cygwin: passwd/group: raise local name buffer size

Make sure a domain+username fits into the local name buffer.
The former buffer size didn't take adding a domain name to
a really_really_long_user_name into account.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
---
 winsup/cygwin/uinfo.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/winsup/cygwin/uinfo.cc b/winsup/cygwin/uinfo.cc
index 4a5fa3470..b70e384f3 100644
--- a/winsup/cygwin/uinfo.cc
+++ b/winsup/cygwin/uinfo.cc
@@ -1919,7 +1919,7 @@ char *
 pwdgrp::fetch_account_from_windows (fetch_user_arg_t &arg, cyg_ldap *pldap)
 {
   /* Used in LookupAccount calls. */
-  WCHAR namebuf[UNLEN + 1], *name = namebuf;
+  WCHAR namebuf[DNLEN + 1 + UNLEN + 1], *name = namebuf;
   WCHAR dom[DNLEN + 1] = L"";
   cygsid csid;
   DWORD nlen = UNLEN + 1;