2005-05-09 Pierre Humblet <pierre.humblet@ieee.org>

        * fhandler.h (class fhandler_netdrive): New class.
        * fhandler_netdrive.cc (fhandler_netdrive::fhandler_netdrive): New constructor.
        (fhandler_netdrive::exists): New method.
        (fhandler_netdrive::fstat): Ditto.
        (fhandler_netdrive::readdir): Ditto.
        (fhandler_netdrive::open): Ditto.
        * dtable.cc (build_fh_pc): Handle case FH_NETDRIVE.
        * path.cc (isvirtual_dev): Add FH_NETDRIVE.
        (mount_info::conv_to_win32_path): Detect netdrive device and bypass mount
        search for network paths.

1 files changed, 75 insertions, 1 deletions

diff --git a/winsup/cygwin/fhandler_netdrive.cc b/winsup/cygwin/fhandler_netdrive.cc
index 187b49504..82a4a49e0 100644
--- a/winsup/cygwin/fhandler_netdrive.cc
+++ b/winsup/cygwin/fhandler_netdrive.cc
@@ -1,4 +1,4 @@
-/* fhandler_netdrive.cc: fhandler for //XXX/x handling
+/* fhandler_netdrive.cc: fhandler for // and //MACHINE handling
 
    Copyright 2005 Red Hat, Inc.
 
@@ -8,3 +8,77 @@ This software is a copyrighted work licensed under the terms of the
 Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
 details. */
 
+#include "winsup.h"
+#include <unistd.h>
+#include <stdlib.h>
+#include <sys/cygwin.h>
+#include "cygerrno.h"
+#include "security.h"
+#include "path.h"
+#include "fhandler.h"
+#include "dtable.h"
+#include "cygheap.h"
+#include <assert.h>
+
+/* Returns 0 if path doesn't exist, >0 if path is a directory,
+   -1 if path is a file, -2 if it's a symlink.  */
+int
+fhandler_netdrive::exists ()
+{
+  return 1;
+}
+
+fhandler_netdrive::fhandler_netdrive ():
+  fhandler_virtual ()
+{
+}
+
+int
+fhandler_netdrive::fstat (struct __stat64 *buf)
+{
+  const char *path = get_name ();
+  debug_printf ("fstat (%s)", path);
+
+  (void) fhandler_base::fstat (buf);
+
+  buf->st_mode = S_IFDIR | S_IXUSR | S_IXGRP | S_IXOTH;
+
+  return 0;
+}
+
+struct dirent *
+fhandler_netdrive::readdir (DIR * dir)
+{
+  return NULL;
+}
+
+int
+fhandler_netdrive::open (int flags, mode_t mode)
+{
+  int res = fhandler_virtual::open (flags, mode);
+  if (!res)
+    goto out;
+
+  nohandle (true);
+
+  if ((flags & (O_CREAT | O_EXCL)) == (O_CREAT | O_EXCL))
+    {
+      set_errno (EEXIST);
+      res = 0;
+      goto out;
+    }
+  else if (flags & O_WRONLY)
+    {
+      set_errno (EISDIR);
+      res = 0;
+      goto out;
+    }
+
+  res = 1;
+  set_flags ((flags & ~O_TEXT) | O_BINARY | O_DIROPEN);
+  set_open_status ();
+out:
+  syscall_printf ("%d = fhandler_netdrive::open (%p, %d)", res, flags, mode);
+  return res;
+}
+