From f7ddc49f40172ede26747c100b4132eb8680cf24 Mon Sep 17 00:00:00 2001
From: Renato Silva <br.renatosilva@gmail.com>
Date: Tue, 31 Mar 2015 21:18:46 +0200
Subject: Fix buffer size error handling in gethostname.

	* net.cc (cygwin_gethostname): Fix buffer size error handling.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
---
 winsup/cygwin/net.cc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'winsup/cygwin/net.cc')

diff --git a/winsup/cygwin/net.cc b/winsup/cygwin/net.cc
index f9b317c0d..eaf6eb870 100644
--- a/winsup/cygwin/net.cc
+++ b/winsup/cygwin/net.cc
@@ -1076,7 +1076,10 @@ cygwin_gethostname (char *name, size_t len)
 	  if (!GetComputerNameExA (ComputerNameDnsFullyQualified, name,
 				   &local_len))
 	    {
-	      set_winsock_errno ();
+	      if (GetLastError () == ERROR_MORE_DATA)
+		set_errno (ENAMETOOLONG);
+	      else
+		set_winsock_errno ();
 	      __leave;
 	    }
 	}
-- 
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