[newlib-cygwin] Drop unused path_conv::ndisk_links method

[Corinna Vinschen <corinna at sourceware dot org>]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=a0e7563eb06387eea03c498f4f03dcd29c332a39

commit a0e7563eb06387eea03c498f4f03dcd29c332a39
Author: Corinna Vinschen <corinna@vinschen.de>
Date:   Wed Dec 9 23:56:47 2015 +0100

    Drop unused path_conv::ndisk_links method
    
            * fhandler_disk_file.cc (path_conv::ndisk_links): Drop unused method.
            (fhandler_base::fstat_helper): Drop unused call to ndisk_links.
    
    Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

Diff:
---
 winsup/cygwin/ChangeLog             |  5 +++
 winsup/cygwin/fhandler_disk_file.cc | 86 -------------------------------------
 winsup/cygwin/path.h                |  3 --
 3 files changed, 5 insertions(+), 89 deletions(-)

diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index f564f79..079aa89 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,5 +1,10 @@
 2015-12-10  Corinna Vinschen  <corinna@vinschen.de>
 
+	* fhandler_disk_file.cc (path_conv::ndisk_links): Drop unused method.
+	(fhandler_base::fstat_helper): Drop unused call to ndisk_links.
+
+2015-12-10  Corinna Vinschen  <corinna@vinschen.de>
+
 	* fhandler_disk_file.cc (path_conv::get_ino_by_handle): Rename fai to
 	fii for clearness.
 	(fhandler_disk_file::readdir): Ditto.
diff --git a/winsup/cygwin/fhandler_disk_file.cc b/winsup/cygwin/fhandler_disk_file.cc
index 7606000..e7e22a2 100644
--- a/winsup/cygwin/fhandler_disk_file.cc
+++ b/winsup/cygwin/fhandler_disk_file.cc
@@ -233,88 +233,6 @@ path_conv::get_ino_by_handle (HANDLE hdl)
   return 0;
 }
 
-#if 0
-/* This function is obsolete.  We're keeping it in so we don't forget
-   that we already did all that at one point. */
-unsigned __stdcall
-path_conv::ndisk_links (DWORD nNumberOfLinks)
-{
-  if (!isdir () || isremote ())
-    return nNumberOfLinks;
-
-  OBJECT_ATTRIBUTES attr;
-  IO_STATUS_BLOCK io;
-  HANDLE fh;
-
-  if (!NT_SUCCESS (NtOpenFile (&fh, SYNCHRONIZE | FILE_LIST_DIRECTORY,
-			       get_object_attr (attr, sec_none_nih),
-			       &io, FILE_SHARE_VALID_FLAGS,
-			       FILE_SYNCHRONOUS_IO_NONALERT
-			       | FILE_OPEN_FOR_BACKUP_INTENT
-			       | FILE_DIRECTORY_FILE)))
-    return nNumberOfLinks;
-
-  unsigned count = 0;
-  bool first = true;
-  PFILE_BOTH_DIR_INFORMATION fdibuf = (PFILE_BOTH_DIR_INFORMATION)
-				       alloca (65536);
-  __DIR_mounts *dir = new __DIR_mounts (get_posix ());
-  while (NT_SUCCESS (NtQueryDirectoryFile (fh, NULL, NULL, NULL, &io, fdibuf,
-					   65536, FileBothDirectoryInformation,
-					   FALSE, NULL, first)))
-    {
-      if (first)
-	{
-	  first = false;
-	  /* All directories have . and .. as their first entries.
-	     If . is not present as first entry, we're on a drive's
-	     root direcotry, which doesn't have these entries. */
-	  if (fdibuf->FileNameLength != 2 || fdibuf->FileName[0] != L'.')
-	    count = 2;
-	}
-      for (PFILE_BOTH_DIR_INFORMATION pfdi = fdibuf;
-	   pfdi;
-	   pfdi = (PFILE_BOTH_DIR_INFORMATION)
-		  (pfdi->NextEntryOffset ? (PBYTE) pfdi + pfdi->NextEntryOffset
-					 : NULL))
-	{
-	  switch (pfdi->FileAttributes
-		  & (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT))
-	    {
-	    case FILE_ATTRIBUTE_DIRECTORY:
-	      /* Just a directory */
-	      ++count;
-	      break;
-	    case FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT:
-	      /* Volume mount point or symlink to directory */
-	      {
-		UNICODE_STRING fname;
-
-		RtlInitCountedUnicodeString (&fname, pfdi->FileName,
-					     pfdi->FileNameLength);
-		InitializeObjectAttributes (&attr, &fname,
-					    objcaseinsensitive (), fh, NULL);
-		if (is_volume_mountpoint (&attr))
-		  ++count;
-	      }
-	      break;
-	    default:
-	      break;
-	    }
-	  UNICODE_STRING fname;
-	  RtlInitCountedUnicodeString (&fname, pfdi->FileName,
-				       pfdi->FileNameLength);
-	  dir->check_mount (&fname, 0, false);
-	}
-    }
-  while (dir->check_missing_mount ())
-    ++count;
-  NtClose (fh);
-  delete dir;
-  return count;
-}
-#endif
-
 /* For files on NFS shares, we request an EA of type NfsV3Attributes.
    This returns the content of a struct fattr3 as defined in RFC 1813.
    The content is the NFS equivalent of struct stat. so there's not much
@@ -573,11 +491,7 @@ fhandler_base::fstat_helper (struct stat *buf, DWORD nNumberOfLinks)
   /* The number of links to a directory includes the number of subdirectories
      in the directory, since all those subdirectories point to it.  However,
      this is painfully slow, so we do without it. */
-#if 0
-  buf->st_nlink = pc.ndisk_links (nNumberOfLinks);
-#else
   buf->st_nlink = nNumberOfLinks;
-#endif
 
   /* Enforce namehash as inode number on untrusted file systems. */
   if (ino && pc.isgood_inode (ino))
diff --git a/winsup/cygwin/path.h b/winsup/cygwin/path.h
index ce41645..ab7222e 100644
--- a/winsup/cygwin/path.h
+++ b/winsup/cygwin/path.h
@@ -396,9 +396,6 @@ class path_conv
   void close_conv_handle () { conv_handle.close (); }
 
   ino_t get_ino_by_handle (HANDLE h);
-#if 0 /* obsolete, method still exists in fhandler_disk_file.cc */
-  unsigned __stdcall ndisk_links (DWORD);
-#endif
   inline const char *get_posix () const { return posix_path; }
   void __reg2 set_posix (const char *);
   DWORD get_symlink_length () { return symlink_length; };