From b9c7deed9a3b1fc602f424426ab532b528ce782e Mon Sep 17 00:00:00 2001
From: Corinna Vinschen <corinna@vinschen.de>
Date: Mon, 9 Oct 2006 14:01:52 +0000
Subject: [PATCH] 	* path.cc (path_conv::get_nt_native_path): Properly
 detect \\?\ paths. 	(mount_info::conv_to_win32_path): Update comment. 
 * fhandler_disk_file.cc (path_conv::ndisk_links): Use backslashes 	to
 make NT kernel functions work for \\?\GLOBALROOT paths.

---
 winsup/cygwin/ChangeLog             | 7 +++++++
 winsup/cygwin/fhandler_disk_file.cc | 4 ++--
 winsup/cygwin/path.cc               | 9 +++++----
 3 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index a122168e1..242325ca3 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,10 @@
+2006-10-06  David Jade  <d3@mutable.net>
+
+	* path.cc (path_conv::get_nt_native_path): Properly detect \\?\ paths.
+	(mount_info::conv_to_win32_path): Update comment.
+	* fhandler_disk_file.cc (path_conv::ndisk_links): Use backslashes
+	to make NT kernel functions work for \\?\GLOBALROOT paths.
+
 2006-10-09  Corinna Vinschen  <corinna@vinschen.de>
 
 	* devices.in: Raise number of handled serial ports to 64.
diff --git a/winsup/cygwin/fhandler_disk_file.cc b/winsup/cygwin/fhandler_disk_file.cc
index d330a750f..ae2c90d1f 100644
--- a/winsup/cygwin/fhandler_disk_file.cc
+++ b/winsup/cygwin/fhandler_disk_file.cc
@@ -143,12 +143,12 @@ path_conv::ndisk_links (DWORD nNumberOfLinks)
   __DIR_mounts *dir = new __DIR_mounts (normalized_path);
   if (nNumberOfLinks <= 1)
     {
-      s = "/*";
+      s = "\\*";
       count = 0;
     }
   else
     {
-      s = "/..";
+      s = "\\..";
       count = nNumberOfLinks;
     }
 
diff --git a/winsup/cygwin/path.cc b/winsup/cygwin/path.cc
index f7dccc01f..cfe0735c5 100644
--- a/winsup/cygwin/path.cc
+++ b/winsup/cygwin/path.cc
@@ -526,13 +526,13 @@ path_conv::get_nt_native_path (UNICODE_STRING &upath)
     }
   else if (path[1] != '\\')		/* \Device\... */
     str2uni_cat (upath, path);
-  else if (path[2] != '.'
+  else if ((path[2] != '.' && path[2] != '?')
 	   || path[3] != '\\')		/* \\server\share\... */
     {
       str2uni_cat (upath, "\\??\\UNC\\");
       str2uni_cat (upath, path + 2);
     }
-  else					/* \\.\device */
+  else					/* \\.\device or \\?\foo */
     {
       str2uni_cat (upath, "\\??\\");
       str2uni_cat (upath, path + 4);
@@ -1661,8 +1661,9 @@ mount_info::conv_to_win32_path (const char *src_path, char *dst, device& dev,
     }
 
   MALLOC_CHECK;
-  /* If the path is on a network drive, bypass the mount table.
-     If it's // or //MACHINE, use the netdrive device. */
+  /* If the path is on a network drive or a //./ resp.//?/ path prefix,
+     bypass the mount table.  If it's // or //MACHINE, use the netdrive
+     device. */
   if (src_path[1] == '/')
     {
       if (!strchr (src_path + 2, '/'))