From: Corinna Vinschen <corinna@vinschen.de>
Date: Sat, 10 Mar 2018 20:07:46 +0000 (+0100)
Subject: Cygwin: AF_UNIX: fix creating abstract socket symlink name
X-Git-Tag: newlib-snapshot-20180720~121
X-Git-Url: https://sourceware.org/git/?a=commitdiff_plain;h=1bb3d6518222fad8e8a40d9af431459b47d03554;p=newlib-cygwin.git

Cygwin: AF_UNIX: fix creating abstract socket symlink name

Add missing NUL termination when creating symlink representing
abstract socket.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
---

diff --git a/winsup/cygwin/fhandler_socket_unix.cc b/winsup/cygwin/fhandler_socket_unix.cc
index f3f3fba99..9ac9b2452 100644
--- a/winsup/cygwin/fhandler_socket_unix.cc
+++ b/winsup/cygwin/fhandler_socket_unix.cc
@@ -223,7 +223,8 @@ fhandler_socket_unix::create_abstract_link (const sun_name_t *sun,
   /* NUL bytes have no special meaning in an abstract socket name, so
      we assume iso-8859-1 for simplicity and transpose the string.
      transform_chars_af_unix is doing just that. */
-  transform_chars_af_unix (p, sun->un.sun_path, sun->un_len);
+  p = transform_chars_af_unix (p, sun->un.sun_path, sun->un_len);
+  *p = L'\0';
   RtlInitUnicodeString (&uname, name);
   InitializeObjectAttributes (&attr, &uname, OBJ_CASE_INSENSITIVE,
 			      get_shared_parent_dir (), NULL);