This commit was manufactured by cvs2svn to create branch 'newlib-newlib-1_17_0

1_17_0-arc'.

Sprout from master 2008-12-22 19:45:56 UTC Jeff Johnston <jjohnstn@redhat.com> ''
Cherrypick from cygnus 1999-05-03 07:29:06 UTC Richard Henderson <rth@redhat.com> '19990502 sourceware import':
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    winsup/w32api/include/nb30.h
    winsup/w32api/include/nddeapi.h
    winsup/w32api/include/nspapi.h
    winsup/w32api/include/ntdef.h
    winsup/w32api/include/ntdll.h
    winsup/w32api/include/ntdsapi.h
    winsup/w32api/include/ntdsbcli.h
    winsup/w32api/include/ntldap.h
    winsup/w32api/include/ntsecapi.h
    winsup/w32api/include/ntsecpkg.h
    winsup/w32api/include/oaidl.h
    winsup/w32api/include/objbase.h
    winsup/w32api/include/objfwd.h
    winsup/w32api/include/objidl.h
    winsup/w32api/include/objsafe.h
    winsup/w32api/include/objsel.h
    winsup/w32api/include/ocidl.h
    winsup/w32api/include/odbcinst.h
    winsup/w32api/include/ole.h
    winsup/w32api/include/ole2.h
    winsup/w32api/include/ole2ver.h
    winsup/w32api/include/oleacc.h
    winsup/w32api/include/oleauto.h
    winsup/w32api/include/olectl.h
    winsup/w32api/include/olectlid.h
    winsup/w32api/include/oledlg.h
    winsup/w32api/include/oleidl.h
    winsup/w32api/include/pbt.h
    winsup/w32api/include/poppack.h
    winsup/w32api/include/powrprof.h
    winsup/w32api/include/prsht.h
    winsup/w32api/include/psapi.h
    winsup/w32api/include/pshpack1.h
    winsup/w32api/include/pshpack2.h
    winsup/w32api/include/pshpack4.h
    winsup/w32api/include/pshpack8.h
    winsup/w32api/include/qedit.h
    winsup/w32api/include/rapi.h
    winsup/w32api/include/ras.h
    winsup/w32api/include/rasdlg.h
    winsup/w32api/include/raserror.h
    winsup/w32api/include/rassapi.h
    winsup/w32api/include/reason.h
    winsup/w32api/include/regstr.h
    winsup/w32api/include/richedit.h
    winsup/w32api/include/richole.h
    winsup/w32api/include/routprot.h
    winsup/w32api/include/rpc.h
    winsup/w32api/include/rpcdce.h
    winsup/w32api/include/rpcdce2.h
    winsup/w32api/include/rpcdcep.h
    winsup/w32api/include/rpcndr.h
    winsup/w32api/include/rpcnsi.h
    winsup/w32api/include/rpcnsip.h
    winsup/w32api/include/rpcnterr.h
    winsup/w32api/include/rpcproxy.h
    winsup/w32api/include/rtutils.h
    winsup/w32api/include/schannel.h
    winsup/w32api/include/schnlsp.h
    winsup/w32api/include/scrnsave.h
    winsup/w32api/include/sddl.h
    winsup/w32api/include/secext.h
    winsup/w32api/include/security.h
    winsup/w32api/include/servprov.h
    winsup/w32api/include/setupapi.h
    winsup/w32api/include/shellapi.h
    winsup/w32api/include/shldisp.h
    winsup/w32api/include/shlguid.h
    winsup/w32api/include/shlobj.h
    winsup/w32api/include/shlwapi.h
    winsup/w32api/include/snmp.h
    winsup/w32api/include/specstrings.h
    winsup/w32api/include/sql.h
    winsup/w32api/include/sqlext.h
    winsup/w32api/include/sqltypes.h
    winsup/w32api/include/sqlucode.h
    winsup/w32api/include/sspi.h
    winsup/w32api/include/stm.h
    winsup/w32api/include/strmif.h
    winsup/w32api/include/subauth.h
    winsup/w32api/include/svcguid.h
    winsup/w32api/include/tlhelp32.h
    winsup/w32api/include/tmschema.h
    winsup/w32api/include/unknwn.h
    winsup/w32api/include/userenv.h
    winsup/w32api/include/usp10.h
    winsup/w32api/include/uxtheme.h
    winsup/w32api/include/vfw.h
    winsup/w32api/include/vidcap.h
    winsup/w32api/include/vmr9.h
    winsup/w32api/include/vptype.h
    winsup/w32api/include/w32api.h
    winsup/w32api/include/winable.h
    winsup/w32api/include/winbase.h
    winsup/w32api/include/winber.h
    winsup/w32api/include/wincon.h
    winsup/w32api/include/wincrypt.h
    winsup/w32api/include/windef.h
    winsup/w32api/include/windns.h
    winsup/w32api/include/windows.h
    winsup/w32api/include/windowsx.h
    winsup/w32api/include/winerror.h
    winsup/w32api/include/wingdi.h
    winsup/w32api/include/wininet.h
    winsup/w32api/include/winioctl.h
    winsup/w32api/include/winldap.h
    winsup/w32api/include/winnetwk.h
    winsup/w32api/include/winnls.h
    winsup/w32api/include/winnt.h
    winsup/w32api/include/winperf.h
    winsup/w32api/include/winreg.h
    winsup/w32api/include/winresrc.h
    winsup/w32api/include/winsnmp.h
    winsup/w32api/include/winsock.h
    winsup/w32api/include/winsock2.h
    winsup/w32api/include/winspool.h
    winsup/w32api/include/winsvc.h
    winsup/w32api/include/winuser.h
    winsup/w32api/include/winver.h
    winsup/w32api/include/ws2spi.h
    winsup/w32api/include/ws2tcpip.h
    winsup/w32api/include/wsahelp.h
    winsup/w32api/include/wsipx.h
    winsup/w32api/include/wsnetbs.h
    winsup/w32api/include/wtsapi32.h
    winsup/w32api/include/wtypes.h
    winsup/w32api/include/xprtdefs.h
    winsup/w32api/include/zmouse.h
    winsup/w32api/install-sh
    winsup/w32api/lib/Makefile.in
    winsup/w32api/lib/aclui.def
    winsup/w32api/lib/advapi32.def
    winsup/w32api/lib/ativscp-uuid.c
    winsup/w32api/lib/avicap32.def
    winsup/w32api/lib/avifil32.def
    winsup/w32api/lib/bthprops.def
    winsup/w32api/lib/cap.def
    winsup/w32api/lib/cguid-uuid.c
    winsup/w32api/lib/comcat-uuid.c
    winsup/w32api/lib/comctl32.def
    winsup/w32api/lib/comdlg32.def
    winsup/w32api/lib/crypt32.def
    winsup/w32api/lib/ctl3d32.def
    winsup/w32api/lib/ddk/Makefile.in
    winsup/w32api/lib/ddk/apcups.def
    winsup/w32api/lib/ddk/cfgmgr32.def
    winsup/w32api/lib/ddk/dxapi.def
    winsup/w32api/lib/ddk/hal.def
    winsup/w32api/lib/ddk/hid.def
    winsup/w32api/lib/ddk/hidparse.def
    winsup/w32api/lib/ddk/mcd.def
    winsup/w32api/lib/ddk/ndis.def
    winsup/w32api/lib/ddk/newdev.def
    winsup/w32api/lib/ddk/ntoskrnl.def
    winsup/w32api/lib/ddk/scsiport.def
    winsup/w32api/lib/ddk/tdi.def
    winsup/w32api/lib/ddk/usbcamd.def
    winsup/w32api/lib/ddk/usbcamd2.def
    winsup/w32api/lib/ddk/videoprt.def
    winsup/w32api/lib/ddk/win32k.def
    winsup/w32api/lib/devguid.c
    winsup/w32api/lib/dhcpcsvc.def
    winsup/w32api/lib/directx/Makefile.in
    winsup/w32api/lib/directx/d3d8.def
    winsup/w32api/lib/directx/d3d9.def
    winsup/w32api/lib/directx/d3dim.def
    winsup/w32api/lib/directx/d3drm.def
    winsup/w32api/lib/directx/d3dx8d.def
    winsup/w32api/lib/directx/d3dx9d.def
    winsup/w32api/lib/directx/d3dxof.def
    winsup/w32api/lib/directx/ddraw.def
    winsup/w32api/lib/directx/dinput.def
    winsup/w32api/lib/directx/dinput8.def
    winsup/w32api/lib/directx/dinput_joy.c
    winsup/w32api/lib/directx/dinput_joy2.c
    winsup/w32api/lib/directx/dinput_kbd.c
    winsup/w32api/lib/directx/dinput_mouse.c
    winsup/w32api/lib/directx/dinput_mouse2.c
    winsup/w32api/lib/directx/dinput_private.h
    winsup/w32api/lib/directx/dmoguids.c
    winsup/w32api/lib/directx/dplayx.def
    winsup/w32api/lib/directx/dpnaddr.def
    winsup/w32api/lib/directx/dpnet.def
    winsup/w32api/lib/directx/dpnlobby.def
    winsup/w32api/lib/directx/dpvoice.def
    winsup/w32api/lib/directx/dsetup.def
    winsup/w32api/lib/directx/dsound.def
    winsup/w32api/lib/directx/dxerr.c
    winsup/w32api/lib/directx/dxerr8.c
    winsup/w32api/lib/directx/dxerr8w.c
    winsup/w32api/lib/directx/dxerr9.c
    winsup/w32api/lib/directx/dxerr9w.c
    winsup/w32api/lib/directx/dxguid.c
    winsup/w32api/lib/directx/ksproxy.def
    winsup/w32api/lib/directx/ksuser.c
    winsup/w32api/lib/directx/ksuser.def
    winsup/w32api/lib/directx/msdmo.def
    winsup/w32api/lib/directx/strmiids.c
    winsup/w32api/lib/directx/test.c
    winsup/w32api/lib/dlcapi.def
    winsup/w32api/lib/dnsapi.def
    winsup/w32api/lib/docobj-uuid.c
    winsup/w32api/lib/exdisp-uuid.c
    winsup/w32api/lib/extras-uuid.c
    winsup/w32api/lib/faultrep.def
    winsup/w32api/lib/gdi32.def
    winsup/w32api/lib/glaux.def
    winsup/w32api/lib/glu32.def
    winsup/w32api/lib/hlguids-uuid.c
    winsup/w32api/lib/hlink-uuid.c
    winsup/w32api/lib/icmui.def
    winsup/w32api/lib/igmpagnt.def
    winsup/w32api/lib/imagehlp.def
    winsup/w32api/lib/imm32.def
    winsup/w32api/lib/iphlpapi.def
    winsup/w32api/lib/kernel32.def
    winsup/w32api/lib/largeint.c
    winsup/w32api/lib/lz32.def
    winsup/w32api/lib/mapi32.def
    winsup/w32api/lib/mfcuia32.def
    winsup/w32api/lib/mgmtapi.def
    winsup/w32api/lib/mlang-uuid.c
    winsup/w32api/lib/mpr.def
    winsup/w32api/lib/mprapi.def
    winsup/w32api/lib/mqrt.def
    winsup/w32api/lib/msacm32.def
    winsup/w32api/lib/mscms.def
    winsup/w32api/lib/mshtml-uuid.c
    winsup/w32api/lib/msimg32.def
    winsup/w32api/lib/msvcp60.def
    winsup/w32api/lib/msvfw32.def
    winsup/w32api/lib/mswsock.def
    winsup/w32api/lib/msxml-uuid.c
    winsup/w32api/lib/nddeapi.def
    winsup/w32api/lib/netapi32.def
    winsup/w32api/lib/ntdll.def
    winsup/w32api/lib/oaidl-uuid.c
    winsup/w32api/lib/objidl-uuid.c
    winsup/w32api/lib/objsafe-uuid.c
    winsup/w32api/lib/ocidl-uuid.c
    winsup/w32api/lib/odbc32.def
    winsup/w32api/lib/odbccp32.def
    winsup/w32api/lib/ole32.def
    winsup/w32api/lib/oleacc-uuid.c
    winsup/w32api/lib/oleacc.def
    winsup/w32api/lib/oleaut32.def
    winsup/w32api/lib/olecli32.def
    winsup/w32api/lib/olectlid-uuid.c
    winsup/w32api/lib/oledlg.def
    winsup/w32api/lib/oleidl-uuid.c
    winsup/w32api/lib/olepro32.def
    winsup/w32api/lib/olesvr32.def
    winsup/w32api/lib/opengl32.def
    winsup/w32api/lib/penwin32.def
    winsup/w32api/lib/pkpd32.def
    winsup/w32api/lib/power-uuid.c
    winsup/w32api/lib/powrprof.def
    winsup/w32api/lib/psapi.def
    winsup/w32api/lib/quartz.def
    winsup/w32api/lib/rapi.def
    winsup/w32api/lib/rasapi32.def
    winsup/w32api/lib/rasdlg.def
    winsup/w32api/lib/res.rc
    winsup/w32api/lib/rpcdce4.def
    winsup/w32api/lib/rpcns4.def
    winsup/w32api/lib/rpcrt4.def
    winsup/w32api/lib/rtm.def
    winsup/w32api/lib/rtutils.def
    winsup/w32api/lib/scrnsave.c
    winsup/w32api/lib/secur32.def
    winsup/w32api/lib/servprov-uuid.c
    winsup/w32api/lib/setupapi.def
    winsup/w32api/lib/shell32.c
    winsup/w32api/lib/shell32.def
    winsup/w32api/lib/shfolder.def
    winsup/w32api/lib/shlwapi.def
    winsup/w32api/lib/snmpapi.def
    winsup/w32api/lib/svrapi.def
    winsup/w32api/lib/tapi32.def
    winsup/w32api/lib/test.c
    winsup/w32api/lib/th32.def
    winsup/w32api/lib/thunk32.def
    winsup/w32api/lib/unknwn-uuid.c
    winsup/w32api/lib/url.def
    winsup/w32api/lib/urlmon-uuid.c
    winsup/w32api/lib/user32.def
    winsup/w32api/lib/userenv.def
    winsup/w32api/lib/usp10.def
    winsup/w32api/lib/uxtheme.def
    winsup/w32api/lib/vdmdbg.def
    winsup/w32api/lib/version.def
    winsup/w32api/lib/vfw32.mri
    winsup/w32api/lib/win32spl.def
    winsup/w32api/lib/wininet.def
    winsup/w32api/lib/winmm.def
    winsup/w32api/lib/winspool.def
    winsup/w32api/lib/winstrm.def
    winsup/w32api/lib/wldap32.def
    winsup/w32api/lib/wow32.def
    winsup/w32api/lib/ws2_32.c
    winsup/w32api/lib/ws2_32.def
    winsup/w32api/lib/wsnmp32.def
    winsup/w32api/lib/wsock32.def
    winsup/w32api/lib/wst.def
    winsup/w32api/lib/wtsapi32.def

1 files changed, 0 insertions, 3616 deletions

diff --git a/winsup/cygwin/path.cc b/winsup/cygwin/path.cc
deleted file mode 100644
index 3b726c09a..000000000
--- a/winsup/cygwin/path.cc
+++ /dev/null
@@ -1,3616 +0,0 @@
-/* path.cc: path support.
-
-     Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
-     2006, 2007, 2008 Red Hat, Inc.
-
-  This file is part of Cygwin.
-
-  This software is a copyrighted work licensed under the terms of the
-  Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
-  details. */
-
-  /* This module's job is to
-     - convert between POSIX and Win32 style filenames,
-     - support the `mount' functionality,
-     - support symlinks for files and directories
-
-     Pathnames are handled as follows:
-
-     - A \ or : in a path denotes a pure windows spec.
-     - Paths beginning with // (or \\) are not translated (i.e. looked
-       up in the mount table) and are assumed to be UNC path names.
-
-     The goal in the above set of rules is to allow both POSIX and Win32
-     flavors of pathnames without either interfering.  The rules are
-     intended to be as close to a superset of both as possible.
-
-     Note that you can have more than one path to a file.  The mount
-     table is always prefered when translating Win32 paths to POSIX
-     paths.  Win32 paths in mount table entries may be UNC paths or
-     standard Win32 paths starting with <drive-letter>:
-
-     Text vs Binary issues are not considered here in path style
-     decisions, although the appropriate flags are retrieved and
-     stored in various structures.
-
-     Removing mounted filesystem support would simplify things greatly,
-     but having it gives us a mechanism of treating disk that lives on a
-     UNIX machine as having UNIX semantics [it allows one to edit a text
-     file on that disk and not have cr's magically appear and perhaps
-     break apps running on UNIX boxes].  It also useful to be able to
-     layout a hierarchy without changing the underlying directories.
-
-     The semantics of mounting file systems is not intended to precisely
-     follow normal UNIX systems.
-
-     Each DOS drive is defined to have a current directory.  Supporting
-     this would complicate things so for now things are defined so that
-     c: means c:\.
-  */
-
-#include "winsup.h"
-#include "miscfuncs.h"
-#include <ctype.h>
-#include <winioctl.h>
-#include <wingdi.h>
-#include <winuser.h>
-#include <winnetwk.h>
-#include <shlobj.h>
-#include <sys/cygwin.h>
-#include "cygerrno.h"
-#include "security.h"
-#include "path.h"
-#include "fhandler.h"
-#include "dtable.h"
-#include "cygheap.h"
-#include "shared_info.h"
-#include "cygtls.h"
-#include "tls_pbuf.h"
-#include "environ.h"
-#include "nfs.h"
-#include <assert.h>
-#include <ntdll.h>
-#include <wchar.h>
-#include <wctype.h>
-
-bool dos_file_warning = true;
-
-struct symlink_info
-{
-  char contents[SYMLINK_MAX + 1];
-  char *ext_here;
-  int extn;
-  unsigned pflags;
-  DWORD fileattr;
-  int issymlink;
-  bool ext_tacked_on;
-  int error;
-  bool isdevice;
-  _major_t major;
-  _minor_t minor;
-  _mode_t mode;
-  int check (char *path, const suffix_info *suffixes, unsigned opt,
-	     fs_info &fs);
-  int set (char *path);
-  bool parse_device (const char *);
-  int check_sysfile (HANDLE h);
-  int check_shortcut (HANDLE h);
-  int check_reparse_point (HANDLE h);
-  int check_nfs_symlink (HANDLE h);
-  int posixify (char *srcbuf);
-  bool set_error (int);
-};
-
-muto NO_COPY cwdstuff::cwd_lock;
-
-static const GUID GUID_shortcut
-			= { 0x00021401L, 0, 0, {0xc0, 0, 0, 0, 0, 0, 0, 0x46}};
-
-enum {
-  WSH_FLAG_IDLIST = 0x01,	/* Contains an ITEMIDLIST. */
-  WSH_FLAG_FILE = 0x02,		/* Contains a file locator element. */
-  WSH_FLAG_DESC = 0x04,		/* Contains a description. */
-  WSH_FLAG_RELPATH = 0x08,	/* Contains a relative path. */
-  WSH_FLAG_WD = 0x10,		/* Contains a working dir. */
-  WSH_FLAG_CMDLINE = 0x20,	/* Contains command line args. */
-  WSH_FLAG_ICON = 0x40		/* Contains a custom icon. */
-};
-
-struct win_shortcut_hdr
-  {
-    DWORD size;		/* Header size in bytes.  Must contain 0x4c. */
-    GUID magic;		/* GUID of shortcut files. */
-    DWORD flags;	/* Content flags.  See above. */
-
-    /* The next fields from attr to icon_no are always set to 0 in Cygwin
-       and U/Win shortcuts. */
-    DWORD attr;	/* Target file attributes. */
-    FILETIME ctime;	/* These filetime items are never touched by the */
-    FILETIME mtime;	/* system, apparently. Values don't matter. */
-    FILETIME atime;
-    DWORD filesize;	/* Target filesize. */
-    DWORD icon_no;	/* Icon number. */
-
-    DWORD run;		/* Values defined in winuser.h. Use SW_NORMAL. */
-    DWORD hotkey;	/* Hotkey value. Set to 0.  */
-    DWORD dummy[2];	/* Future extension probably. Always 0. */
-  };
-
-/* Return non-zero if PATH1 is a prefix of PATH2.
-   Both are assumed to be of the same path style and / vs \ usage.
-   Neither may be "".
-   LEN1 = strlen (PATH1).  It's passed because often it's already known.
-
-   Examples:
-   /foo/ is a prefix of /foo  <-- may seem odd, but desired
-   /foo is a prefix of /foo/
-   / is a prefix of /foo/bar
-   / is not a prefix of foo/bar
-   foo/ is a prefix foo/bar
-   /foo is not a prefix of /foobar
-*/
-
-int
-path_prefix_p (const char *path1, const char *path2, int len1,
-	       bool caseinsensitive)
-{
-  /* Handle case where PATH1 has trailing '/' and when it doesn't.  */
-  if (len1 > 0 && isdirsep (path1[len1 - 1]))
-    len1--;
-
-  if (len1 == 0)
-    return isdirsep (path2[0]) && !isdirsep (path2[1]);
-
-  if (isdirsep (path2[len1]) || path2[len1] == 0 || path1[len1 - 1] == ':')
-    return caseinsensitive ? strncasematch (path1, path2, len1)
-			   : !strncmp (path1, path2, len1);
-
-  return 0;
-}
-
-/* Return non-zero if paths match in first len chars.
-   Check is dependent of the case sensitivity setting. */
-int
-pathnmatch (const char *path1, const char *path2, int len, bool caseinsensitive)
-{
-  return caseinsensitive
-	 ? strncasematch (path1, path2, len) : !strncmp (path1, path2, len);
-}
-
-/* Return non-zero if paths match. Check is dependent of the case
-   sensitivity setting. */
-int
-pathmatch (const char *path1, const char *path2, bool caseinsensitive)
-{
-  return caseinsensitive
-	 ? strcasematch (path1, path2) : !strcmp (path1, path2);
-}
-
-/* TODO: This function is used in mkdir and rmdir to generate correct
-   error messages in case of paths ending in /. or /.. components.
-   Right now, normalize_posix_path will just normalize
-   those components away, which changes the semantics.  */
-bool
-has_dot_last_component (const char *dir, bool test_dot_dot)
-{
-  /* SUSv3: . and .. are not allowed as last components in various system
-     calls.  Don't test for backslash path separator since that's a Win32
-     path following Win32 rules. */
-  const char *last_comp = strrchr (dir, '/');
-  if (!last_comp)
-    last_comp = dir;
-  else {
-    /* Check for trailing slash.  If so, hop back to the previous slash. */
-    if (!last_comp[1])
-      while (last_comp > dir)
-	if (*--last_comp == '/')
-	  break;
-    if (*last_comp == '/')
-      ++last_comp;
-  }
-  return last_comp[0] == '.'
-	 && ((last_comp[1] == '\0' || last_comp[1] == '/')
-	     || (test_dot_dot
-		 && last_comp[1] == '.'
-		 && (last_comp[2] == '\0' || last_comp[2] == '/')));
-}
-
-/* Normalize a POSIX path.
-   All duplicate /'s, except for 2 leading /'s, are deleted.
-   The result is 0 for success, or an errno error value.  */
-
-int
-normalize_posix_path (const char *src, char *dst, char *&tail)
-{
-  const char *in_src = src;
-  char *dst_start = dst;
-  syscall_printf ("src %s", src);
-
-  if ((isdrive (src) && isdirsep (src[2])) || *src == '\\')
-    goto win32_path;
-
-  tail = dst;
-  if (!isslash (src[0]))
-    {
-      if (!cygheap->cwd.get (dst))
-	return get_errno ();
-      tail = strchr (tail, '\0');
-      if (isslash (dst[0]) && isslash (dst[1]))
-	++dst_start;
-      if (*src == '.')
-	{
-	  if (tail == dst_start + 1 && *dst_start == '/')
-	     tail--;
-	  goto sawdot;
-	}
-      if (tail > dst && !isslash (tail[-1]))
-	*tail++ = '/';
-    }
-  /* Two leading /'s?  If so, preserve them.  */
-  else if (isslash (src[1]) && !isslash (src[2]))
-    {
-      *tail++ = *src++;
-      ++dst_start;
-    }
-
-  while (*src)
-    {
-      if (*src == '\\')
-	goto win32_path;
-      /* Strip runs of /'s.  */
-      if (!isslash (*src))
-	*tail++ = *src++;
-      else
-	{
-	  while (*++src)
-	    {
-	      if (isslash (*src))
-		continue;
-
-	      if (*src != '.')
-		break;
-
-	    sawdot:
-	      if (src[1] != '.')
-		{
-		  if (!src[1])
-		    {
-		      *tail++ = '/';
-		      goto done;
-		    }
-		  if (!isslash (src[1]))
-		    break;
-		}
-	      else if (src[2] && !isslash (src[2]))
-		break;
-	      else
-		{
-		  while (tail > dst_start && !isslash (*--tail))
-		    continue;
-		  src++;
-		}
-	    }
-
-	  *tail++ = '/';
-	}
-	if ((tail - dst) >= NT_MAX_PATH)
-	  {
-	    debug_printf ("ENAMETOOLONG = normalize_posix_path (%s)", src);
-	    return ENAMETOOLONG;
-	  }
-    }
-
-done:
-  *tail = '\0';
-
-  debug_printf ("%s = normalize_posix_path (%s)", dst, in_src);
-  return 0;
-
-win32_path:
-  int err = normalize_win32_path (in_src, dst, tail);
-  if (!err)
-    for (char *p = dst; (p = strchr (p, '\\')); p++)
-      *p = '/';
-  return err ?: -1;
-}
-
-inline void
-path_conv::add_ext_from_sym (symlink_info &sym)
-{
-  if (sym.ext_here && *sym.ext_here)
-    {
-      known_suffix = path + sym.extn;
-      if (sym.ext_tacked_on)
-	strcpy (known_suffix, sym.ext_here);
-    }
-}
-
-static void __stdcall mkrelpath (char *dst, bool caseinsensitive) __attribute__ ((regparm (2)));
-static void __stdcall
-mkrelpath (char *path, bool caseinsensitive)
-{
-  tmp_pathbuf tp;
-  char *cwd_win32 = tp.c_get ();
-  if (!cygheap->cwd.get (cwd_win32, 0))
-    return;
-
-  unsigned cwdlen = strlen (cwd_win32);
-  if (!path_prefix_p (cwd_win32, path, cwdlen, caseinsensitive))
-    return;
-
-  size_t n = strlen (path);
-  if (n < cwdlen)
-    return;
-
-  char *tail = path;
-  if (n == cwdlen)
-    tail += cwdlen;
-  else
-    tail += isdirsep (cwd_win32[cwdlen - 1]) ? cwdlen : cwdlen + 1;
-
-  memmove (path, tail, strlen (tail) + 1);
-  if (!*path)
-    strcpy (path, ".");
-}
-
-/* Beginning with Samba 3.0.28a, Samba allows to get version information using
-   the ExtendedInfo member returned by a FileFsObjectIdInformation request.
-   We just store the samba_version information for now.  Older versions than
-   3.2 are still guessed at by testing the file system flags. */
-#define SAMBA_EXTENDED_INFO_MAGIC 0x536d4261 /* "SmBa" */
-#define SAMBA_EXTENDED_INFO_VERSION_STRING_LENGTH 28
-#pragma pack(push,4)
-struct smb_extended_info {
-  DWORD         samba_magic;             /* Always SAMBA_EXTENDED_INFO_MAGIC */
-  DWORD         samba_version;           /* Major/Minor/Release/Revision */
-  DWORD         samba_subversion;        /* Prerelease/RC/Vendor patch */
-  LARGE_INTEGER samba_gitcommitdate;
-  char          samba_version_string[SAMBA_EXTENDED_INFO_VERSION_STRING_LENGTH];
-};
-#pragma pack(pop)
-
-bool
-fs_info::update (PUNICODE_STRING upath, HANDLE in_vol)
-{
-  NTSTATUS status = STATUS_OBJECT_NAME_NOT_FOUND;
-  HANDLE vol;
-  OBJECT_ATTRIBUTES attr;
-  IO_STATUS_BLOCK io;
-  bool no_media = false;
-  FILE_FS_DEVICE_INFORMATION ffdi;
-  FILE_FS_OBJECTID_INFORMATION ffoi;
-  struct {
-    FILE_FS_ATTRIBUTE_INFORMATION ffai;
-    WCHAR buf[NAME_MAX + 1];
-  } ffai_buf;
-  struct {
-    FILE_FS_VOLUME_INFORMATION ffvi;
-    WCHAR buf[NAME_MAX + 1];
-  } ffvi_buf;
-  UNICODE_STRING fsname, testname;
-
-  clear ();
-  if (in_vol)
-    vol = in_vol;
-  else
-    {
-      /* Always caseinsensitive.  We really just need access to the drive. */
-      InitializeObjectAttributes (&attr, upath, OBJ_CASE_INSENSITIVE, NULL,
-				  NULL);
-      status = NtOpenFile (&vol, READ_CONTROL, &attr, &io,
-			   FILE_SHARE_VALID_FLAGS, FILE_OPEN_FOR_BACKUP_INTENT);
-      while (!NT_SUCCESS (status)
-	     && (attr.ObjectName->Length > 7 * sizeof (WCHAR)
-		 || status == STATUS_NO_MEDIA_IN_DEVICE))
-	{
-	  UNICODE_STRING dir;
-	  RtlSplitUnicodePath (attr.ObjectName, &dir, NULL);
-	  attr.ObjectName = &dir;
-	  if (status == STATUS_NO_MEDIA_IN_DEVICE)
-	    {
-	      no_media = true;
-	      dir.Length = 6 * sizeof (WCHAR);
-	    }
-	  else if (dir.Length > 7 * sizeof (WCHAR))
-	    dir.Length -= sizeof (WCHAR);
-	  status = NtOpenFile (&vol, READ_CONTROL, &attr, &io,
-			       FILE_SHARE_VALID_FLAGS,
-			       FILE_OPEN_FOR_BACKUP_INTENT);
-	}
-      if (!NT_SUCCESS (status))
-	{
-	  debug_printf ("Cannot access path %S, status %08lx",
-			attr.ObjectName, status);
-	  NtClose (vol);
-	  return false;
-	}
-    }
-
-  status = NtQueryVolumeInformationFile (vol, &io, &ffvi_buf.ffvi,
-					 sizeof ffvi_buf,
-					 FileFsVolumeInformation);
-  sernum = NT_SUCCESS (status) ? ffvi_buf.ffvi.VolumeSerialNumber : 0;
-  status = NtQueryVolumeInformationFile (vol, &io, &ffdi, sizeof ffdi,
-					 FileFsDeviceInformation);
-  if (!NT_SUCCESS (status))
-    ffdi.DeviceType = ffdi.Characteristics = 0;
-
-  if (ffdi.Characteristics & FILE_REMOTE_DEVICE
-      || (!ffdi.DeviceType
-	  && RtlEqualUnicodePathPrefix (attr.ObjectName, L"\\??\\UNC\\", TRUE)))
-    is_remote_drive (true);
-  else
-    is_remote_drive (false);
-
-  if (!no_media)
-    status = NtQueryVolumeInformationFile (vol, &io, &ffai_buf.ffai,
-					   sizeof ffai_buf,
-					   FileFsAttributeInformation);
-  if (no_media || !NT_SUCCESS (status))
-    {
-      debug_printf ("Cannot get volume attributes (%S), %08lx",
-		    attr.ObjectName, status);
-      if (!in_vol)
-	NtClose (vol);
-      return false;
-    }
-   flags (ffai_buf.ffai.FileSystemAttributes);
-   name_len (ffai_buf.ffai.MaximumComponentNameLength);
-/* Should be reevaluated for each new OS.  Right now this mask is valid up
-   to Vista.  The important point here is to test only flags indicating
-   capabilities and to ignore flags indicating a specific state of this
-   volume.  At present these flags to ignore are FILE_VOLUME_IS_COMPRESSED
-   and FILE_READ_ONLY_VOLUME. */
-#define GETVOLINFO_VALID_MASK (0x003701ffUL)
-#define TEST_GVI(f,m) (((f) & GETVOLINFO_VALID_MASK) == (m))
-
-/* Volume quotas are potentially supported since Samba 3.0, object ids and
-   the unicode on disk flag since Samba 3.2. */
-#define SAMBA_IGNORE (FILE_VOLUME_QUOTAS \
-		      | FILE_SUPPORTS_OBJECT_IDS \
-		      | FILE_UNICODE_ON_DISK)
-#define FS_IS_SAMBA TEST_GVI(flags () & ~SAMBA_IGNORE, \
-			     FILE_CASE_SENSITIVE_SEARCH \
-			     | FILE_CASE_PRESERVED_NAMES \
-			     | FILE_PERSISTENT_ACLS)
-#define FS_IS_NETAPP_DATAONTAP TEST_GVI(flags (), \
-			     FILE_CASE_SENSITIVE_SEARCH \
-			     | FILE_CASE_PRESERVED_NAMES \
-			     | FILE_UNICODE_ON_DISK \
-			     | FILE_PERSISTENT_ACLS \
-			     | FILE_NAMED_STREAMS)
-  RtlInitCountedUnicodeString (&fsname, ffai_buf.ffai.FileSystemName,
-			       ffai_buf.ffai.FileSystemNameLength);
-  is_fat (RtlEqualUnicodePathPrefix (&fsname, L"FAT", TRUE));
-  RtlInitUnicodeString (&testname, L"NTFS");
-  if (is_remote_drive ())
-    {
-      /* This always fails on NT4. */
-      status = NtQueryVolumeInformationFile (vol, &io, &ffoi, sizeof ffoi,
-					     FileFsObjectIdInformation);
-      if (NT_SUCCESS (status))
-	{
-	  smb_extended_info *extended_info = (smb_extended_info *)
-					     &ffoi.ExtendedInfo;
-	  if (extended_info->samba_magic == SAMBA_EXTENDED_INFO_MAGIC)
-	    {
-	      is_samba (true);
-	      samba_version (extended_info->samba_version);
-	    }
-	}
-      /* Test for Samba on NT4 or for older Samba releases not supporting
-	 extended info. */
-      if (!is_samba ())
-	is_samba (RtlEqualUnicodeString (&fsname, &testname, FALSE)
-		  && FS_IS_SAMBA);
-
-      if (!is_samba ())
-	{
-	  is_netapp (RtlEqualUnicodeString (&fsname, &testname, FALSE)
-		     && FS_IS_NETAPP_DATAONTAP);
-
-	  RtlInitUnicodeString (&testname, L"NFS");
-	  is_nfs (RtlEqualUnicodeString (&fsname, &testname, FALSE));
-
-	  if (!is_nfs ())
-	    {
-	      /* Known remote file systems which can't handle calls to
-		 NtQueryDirectoryFile(FileIdBothDirectoryInformation) */
-	      RtlInitUnicodeString (&testname, L"UNIXFS");
-	      has_buggy_fileid_dirinfo (RtlEqualUnicodeString (&fsname,
-							       &testname,
-							       FALSE));
-
-	      /* Known remote file systems with buggy open calls.  Further
-		 explanation in fhandler.cc (fhandler_disk_file::open). */
-	      RtlInitUnicodeString (&testname, L"SUNWNFS");
-	      has_buggy_open (RtlEqualUnicodeString (&fsname, &testname,
-						     FALSE));
-	    }
-	}
-    }
-  is_ntfs (RtlEqualUnicodeString (&fsname, &testname, FALSE)
-	   && !is_samba () && !is_netapp ());
-  is_cdrom (ffdi.DeviceType == FILE_DEVICE_CD_ROM);
-
-  has_acls (flags () & FS_PERSISTENT_ACLS);
-  hasgood_inode (((flags () & FILE_PERSISTENT_ACLS) && !is_netapp ())
-		 || is_nfs ());
-  /* Case sensitivity is supported if FILE_CASE_SENSITIVE_SEARCH is set,
-     except on Samba which handles Windows clients case insensitive.
-     NFS doesn't set the FILE_CASE_SENSITIVE_SEARCH flag but is case
-     sensitive. */
-  caseinsensitive ((!(flags () & FILE_CASE_SENSITIVE_SEARCH) || is_samba ())
-		   && !is_nfs ());
-
-  if (!in_vol)
-    NtClose (vol);
-  return true;
-}
-
-void
-path_conv::fillin (HANDLE h)
-{
-  IO_STATUS_BLOCK io;
-  FILE_BASIC_INFORMATION fbi;
-
-  if (NT_SUCCESS (NtQueryInformationFile (h, &io, &fbi, sizeof fbi,
-					  FileBasicInformation)))
-    fileattr = fbi.FileAttributes;
-  else
-    fileattr = INVALID_FILE_ATTRIBUTES;
-}
-
-void
-path_conv::set_normalized_path (const char *path_copy)
-{
-  char *p = strchr (path_copy, '\0');
-  size_t n = 1 + p - path_copy;
-
-  normalized_path = path + sizeof (path) - n;
-
-  char *eopath = strchr (path, '\0');
-  if (normalized_path > eopath)
-    normalized_path_size = n;
-  else
-    {
-      normalized_path = (char *) cmalloc_abort (HEAP_STR, n);
-      normalized_path_size = 0;
-    }
-
-  memcpy (normalized_path, path_copy, n);
-}
-
-WCHAR tfx_chars[] NO_COPY = {
-   0,   1,   2,   3,   4,   5,   6,   7,
-   8,   9,  10,  11,  12,  13,  14,  15,
-  16,  17,  18,  19,  20,  21,  22,  23,
-  24,  25,  26,  27,  28,  29,  30,  31,
-  32, '!', 0xf000 | '"', '#', '$', '%', '&',  39,
-  '(', ')', 0xf000 | '*', '+', ',', '-', '.', '\\',
- '0', '1', '2', '3', '4', '5', '6', '7',
- '8', '9', 0xf000 | ':', ';', 0xf000 | '<', '=', 0xf000 | '>', 0xf000 | '?',
- '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G',
- 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
- 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
- 'X', 'Y', 'Z', '[',  '\\', ']', '^', '_',
- '`', 'a', 'b', 'c', 'd', 'e', 'f', 'g',
- 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
- 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
- 'x', 'y', 'z', '{', 0xf000 | '|', '}', '~', 127
-};
-
-void
-transform_chars (PWCHAR path, PWCHAR path_end)
-{
-  for (; path <= path_end; ++path)
-    if (*path < 128)
-      *path = tfx_chars[*path];
-}
-
-static inline
-void
-transform_chars (PUNICODE_STRING upath, USHORT start_idx)
-{
-  transform_chars (upath->Buffer + start_idx,
-		   upath->Buffer + upath->Length / sizeof (WCHAR) - 1);
-}
-
-PUNICODE_STRING
-get_nt_native_path (const char *path, UNICODE_STRING& upath)
-{
-  upath.Length = 0;
-  if (path[0] == '/')		/* special path w/o NT path representation. */
-    str2uni_cat (upath, path);
-  else if (path[0] != '\\')	/* X:\...  or relative path. */
-    {
-      if (path[1] == ':')	/* X:\... */
-	{
-	  str2uni_cat (upath, "\\??\\");
-	  str2uni_cat (upath, path);
-	  /* The drive letter must be upper case. */
-	  upath.Buffer[4] = towupper (upath.Buffer[4]);
-	}
-      else
-	str2uni_cat (upath, path);
-      transform_chars (&upath, 7);
-    }
-  else if (path[1] != '\\')	/* \Device\... */
-    str2uni_cat (upath, path);
-  else if ((path[2] != '.' && path[2] != '?')
-	   || path[3] != '\\')	/* \\server\share\... */
-    {
-      str2uni_cat (upath, "\\??\\UNC\\");
-      str2uni_cat (upath, path + 2);
-      transform_chars (&upath, 8);
-    }
-  else				/* \\.\device or \\?\foo */
-    {
-      str2uni_cat (upath, "\\??\\");
-      str2uni_cat (upath, path + 4);
-    }
-  return &upath;
-}
-
-PUNICODE_STRING
-path_conv::get_nt_native_path ()
-{
-  if (!wide_path)
-    {
-      uni_path.Length = 0;
-      uni_path.MaximumLength = (strlen (path) + 10) * sizeof (WCHAR);
-      wide_path = (PWCHAR) cmalloc_abort (HEAP_STR, uni_path.MaximumLength);
-      uni_path.Buffer = wide_path;
-      ::get_nt_native_path (path, uni_path);
-    }
-  return &uni_path;
-}
-
-POBJECT_ATTRIBUTES
-path_conv::get_object_attr (OBJECT_ATTRIBUTES &attr, SECURITY_ATTRIBUTES &sa)
-{
-  if (!get_nt_native_path ())
-    return NULL;
-  InitializeObjectAttributes (&attr, &uni_path,
-			      objcaseinsensitive ()
-			      | (sa.bInheritHandle ? OBJ_INHERIT : 0),
-			      NULL, sa.lpSecurityDescriptor);
-  return &attr;
-}
-
-PWCHAR
-path_conv::get_wide_win32_path (PWCHAR wc)
-{
-  get_nt_native_path ();
-  if (!wide_path || wide_path[1] != L'?') /* Native NT device path */
-    return NULL;
-  wcscpy (wc, wide_path);
-  wc[1] = L'\\';
-  return wc;
-}
-
-void
-warn_msdos (const char *src)
-{
-  if (user_shared->warned_msdos || !dos_file_warning)
-    return;
-  tmp_pathbuf tp;
-  char *posix_path = tp.c_get ();
-  small_printf ("cygwin warning:\n");
-  if (cygwin_conv_path (CCP_WIN_A_TO_POSIX | CCP_RELATIVE, src,
-			posix_path, NT_MAX_PATH))
-    small_printf ("  MS-DOS style path detected: %s\n  POSIX equivalent preferred.\n",
-		  src);
-  else
-    small_printf ("  MS-DOS style path detected: %s\n  Preferred POSIX equivalent is: %s\n",
-		  src, posix_path);
-  small_printf ("  CYGWIN environment variable option \"nodosfilewarning\" turns off this warning.\n"
-		"  Consult the user's guide for more details about POSIX paths:\n"
-		"    http://cygwin.com/cygwin-ug-net/using.html#using-pathnames\n");
-  user_shared->warned_msdos = true;
-}
-
-static DWORD
-getfileattr (const char *path, bool caseinsensitive) /* path has to be always absolute. */
-{
-  tmp_pathbuf tp;
-  UNICODE_STRING upath;
-  OBJECT_ATTRIBUTES attr;
-  FILE_BASIC_INFORMATION fbi;
-  NTSTATUS status;
-  IO_STATUS_BLOCK io;
-
-  tp.u_get (&upath);
-  InitializeObjectAttributes (&attr, &upath,
-			      caseinsensitive ? OBJ_CASE_INSENSITIVE : 0,
-			      NULL, NULL);
-  get_nt_native_path (path, upath);
-
-  status = NtQueryAttributesFile (&attr, &fbi);
-  if (NT_SUCCESS (status))
-    return fbi.FileAttributes;
-
-  if (status != STATUS_OBJECT_NAME_NOT_FOUND
-      && status != STATUS_NO_SUCH_FILE) /* File not found on 9x share */
-    {
-      /* File exists but access denied.  Try to get attribute through
-	 directory query. */
-      UNICODE_STRING dirname, basename;
-      HANDLE dir;
-      FILE_DIRECTORY_INFORMATION fdi;
-
-      RtlSplitUnicodePath (&upath, &dirname, &basename);
-      InitializeObjectAttributes (&attr, &dirname,
-				  caseinsensitive ? OBJ_CASE_INSENSITIVE : 0,
-				  NULL, NULL);
-      status = NtOpenFile (&dir, SYNCHRONIZE | FILE_LIST_DIRECTORY,
-			   &attr, &io, FILE_SHARE_VALID_FLAGS,
-			   FILE_SYNCHRONOUS_IO_NONALERT
-			   | FILE_OPEN_FOR_BACKUP_INTENT
-			   | FILE_DIRECTORY_FILE);
-      if (NT_SUCCESS (status))
-	{
-	  status = NtQueryDirectoryFile (dir, NULL, NULL, 0, &io,
-					 &fdi, sizeof fdi,
-					 FileDirectoryInformation,
-					 TRUE, &basename, TRUE);
-	  NtClose (dir);
-	  if (NT_SUCCESS (status) || status == STATUS_BUFFER_OVERFLOW)
-	    return fdi.FileAttributes;
-	}
-    }
-  SetLastError (RtlNtStatusToDosError (status));
-  return INVALID_FILE_ATTRIBUTES;
-}
-
-/* Convert an arbitrary path SRC to a pure Win32 path, suitable for
-   passing to Win32 API routines.
-
-   If an error occurs, `error' is set to the errno value.
-   Otherwise it is set to 0.
-
-   follow_mode values:
-	SYMLINK_FOLLOW	    - convert to PATH symlink points to
-	SYMLINK_NOFOLLOW    - convert to PATH of symlink itself
-	SYMLINK_IGNORE	    - do not check PATH for symlinks
-	SYMLINK_CONTENTS    - just return symlink contents
-*/
-
-/* TODO: This implementation is only preliminary.  For internal
-   purposes it's necessary to have a path_conv::check function which
-   takes a UNICODE_STRING src path, otherwise we waste a lot of time
-   for converting back and forth.  The below implementation does
-   realy nothing but converting to char *, until path_conv handles
-   wide-char paths directly. */
-void
-path_conv::check (const UNICODE_STRING *src, unsigned opt,
-		  const suffix_info *suffixes)
-{
-  tmp_pathbuf tp;
-  char *path = tp.c_get ();
-
-  user_shared->warned_msdos = true;
-  sys_wcstombs (path, NT_MAX_PATH, src->Buffer, src->Length / sizeof (WCHAR));
-  path_conv::check (path, opt, suffixes);
-}
-
-void
-path_conv::check (const char *src, unsigned opt,
-		  const suffix_info *suffixes)
-{
-  /* The tmp_buf array is used when expanding symlinks.  It is NT_MAX_PATH * 2
-     in length so that we can hold the expanded symlink plus a trailer.  */
-  tmp_pathbuf tp;
-  char *path_copy = tp.c_get ();
-  char *pathbuf = tp.c_get ();
-  char *tmp_buf = tp.t_get ();
-  symlink_info sym;
-  bool need_directory = 0;
-  bool saw_symlinks = 0;
-  bool is_relpath;
-  char *tail, *path_end;
-
-#if 0
-  static path_conv last_path_conv;
-  static char last_src[CYG_MAX_PATH];
-
-  if (*last_src && strcmp (last_src, src) == 0)
-    {
-      *this = last_path_conv;
-      return;
-    }
-#endif
-
-  myfault efault;
-  if (efault.faulted ())
-    {
-      error = EFAULT;
-      return;
-    }
-  int loop = 0;
-  path_flags = 0;
-  known_suffix = NULL;
-  fileattr = INVALID_FILE_ATTRIBUTES;
-  caseinsensitive = OBJ_CASE_INSENSITIVE;
-  if (wide_path)
-    cfree (wide_path);
-  wide_path = NULL;
-  memset (&dev, 0, sizeof (dev));
-  fs.clear ();
-  if (!normalized_path_size && normalized_path)
-    cfree (normalized_path);
-  normalized_path = NULL;
-  int component = 0;		// Number of translated components
-
-  if (!(opt & PC_NULLEMPTY))
-    error = 0;
-  else if (!*src)
-    {
-      error = ENOENT;
-      return;
-    }
-
-  bool is_msdos = false;
-  /* This loop handles symlink expansion.  */
-  for (;;)
-    {
-      MALLOC_CHECK;
-      assert (src);
-
-      is_relpath = !isabspath (src);
-      error = normalize_posix_path (src, path_copy, tail);
-      if (error > 0)
-	return;
-      if (error < 0)
-	{
-	  if (component == 0)
-	    is_msdos = true;
-	  error = 0;
-	}
-
-      /* Detect if the user was looking for a directory.  We have to strip the
-	 trailing slash initially while trying to add extensions but take it
-	 into account during processing */
-      if (tail > path_copy + 2 && isslash (tail[-1]))
-	{
-	  need_directory = 1;
-	  *--tail = '\0';
-	}
-      path_end = tail;
-
-      /* Scan path_copy from right to left looking either for a symlink
-	 or an actual existing file.  If an existing file is found, just
-	 return.  If a symlink is found, exit the for loop.
-	 Also: be careful to preserve the errno returned from
-	 symlink.check as the caller may need it. */
-      /* FIXME: Do we have to worry about multiple \'s here? */
-      component = 0;		// Number of translated components
-      sym.contents[0] = '\0';
-
-      int symlen = 0;
-
-      for (unsigned pflags_or = opt & PC_NO_ACCESS_CHECK; ; pflags_or = 0)
-	{
-	  const suffix_info *suff;
-	  char *full_path;
-
-	  /* Don't allow symlink.check to set anything in the path_conv
-	     class if we're working on an inner component of the path */
-	  if (component)
-	    {
-	      suff = NULL;
-	      sym.pflags = 0;
-	      full_path = pathbuf;
-	    }
-	  else
-	    {
-	      suff = suffixes;
-	      sym.pflags = path_flags;
-	      full_path = this->path;
-	    }
-
-	  /* Convert to native path spec sans symbolic link info. */
-	  error = mount_table->conv_to_win32_path (path_copy, full_path, dev,
-						   &sym.pflags);
-
-	  if (error)
-	    return;
-
-	  sym.pflags |= pflags_or;
-
-	  if (dev.major == DEV_CYGDRIVE_MAJOR)
-	    {
-	      if (!component)
-		fileattr = FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_READONLY;
-	      else
-		{
-		  fileattr = getfileattr (this->path,
-					  sym.pflags & MOUNT_NOPOSIX);
-		  dev.devn = FH_FS;
-		}
-	      goto out;
-	    }
-	  else if (dev == FH_DEV)
-	    {
-	      dev.devn = FH_FS;
-#if 0
-	      fileattr = getfileattr (this->path, sym.pflags & MOUNT_NOPOSIX);
-	      if (!component && fileattr == INVALID_FILE_ATTRIBUTES)
-		{
-		  fileattr = FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_READONLY;
-		  goto out;
-		}
-#endif
-	    }
-	  else if (isvirtual_dev (dev.devn))
-	    {
-	      /* FIXME: Calling build_fhandler here is not the right way to handle this. */
-	      fhandler_virtual *fh = (fhandler_virtual *) build_fh_dev (dev, path_copy);
-	      int file_type = fh->exists ();
-	      if (file_type == -2)
-		{
-		  fh->fill_filebuf ();
-		  symlen = sym.set (fh->get_filebuf ());
-		}
-	      delete fh;
-	      switch (file_type)
-		{
-		  case 1:
-		  case 2:
-		    if (component == 0)
-		      fileattr = FILE_ATTRIBUTE_DIRECTORY;
-		    break;
-		  case -1:
-		    if (component == 0)
-		      fileattr = 0;
-		    break;
-		  case -2:	/* /proc/self or /proc/<pid>/symlinks */
-		    goto is_virtual_symlink;
-		  case -3:	/* /proc/<pid>/fd/pipe:[] */
-		    if (component == 0)
-		      {
-			fileattr = 0;
-			dev.parse (FH_PIPE);
-		      }
-		    break;
-		  case -4:	/* /proc/<pid>/fd/socket:[] */
-		    if (component == 0)
-		      {
-			fileattr = 0;
-			dev.parse (FH_TCP);
-		      }
-		    break;
-		  default:
-		    if (component == 0)
-		      fileattr = INVALID_FILE_ATTRIBUTES;
-		    goto virtual_component_retry;
-		}
-	      if (component == 0 || dev.devn != FH_NETDRIVE)
-		path_flags |= PATH_RO;
-	      goto out;
-	    }
-	  /* devn should not be a device.  If it is, then stop parsing now. */
-	  else if (dev.devn != FH_FS)
-	    {
-	      fileattr = 0;
-	      path_flags = sym.pflags;
-	      if (component)
-		{
-		  error = ENOTDIR;
-		  return;
-		}
-	      goto out;		/* Found a device.  Stop parsing. */
-	    }
-
-	  /* If path is only a drivename, Windows interprets it as the
-	     current working directory on this drive instead of the root
-	     dir which is what we want. So we need the trailing backslash
-	     in this case. */
-	  if (full_path[0] && full_path[1] == ':' && full_path[2] == '\0')
-	    {
-	      full_path[2] = '\\';
-	      full_path[3] = '\0';
-	    }
-
-	  symlen = sym.check (full_path, suff, opt, fs);
-
-is_virtual_symlink:
-
-	  if (sym.isdevice)
-	    {
-	      dev.parse (sym.major, sym.minor);
-	      dev.setfs (1);
-	      dev.mode = sym.mode;
-	      fileattr = sym.fileattr;
-	      goto out;
-	    }
-
-	  if (sym.pflags & PATH_SOCKET)
-	    {
-	      if (component)
-		{
-		  error = ENOTDIR;
-		  return;
-		}
-	      fileattr = sym.fileattr;
-	      dev.parse (FH_UNIX);
-	      dev.setfs (1);
-	      goto out;
-	    }
-
-	  if (!component)
-	    {
-	      fileattr = sym.fileattr;
-	      path_flags = sym.pflags;
-	      /* If the OS is caseinsensitive or the FS is caseinsensitive or
-	         the incoming path was given in DOS notation, don't handle
-		 path casesensitive. */
-	      if (cygwin_shared->obcaseinsensitive || fs.caseinsensitive ()
-		  || is_msdos)
-		path_flags |= PATH_NOPOSIX;
-	      caseinsensitive = (path_flags & PATH_NOPOSIX)
-				? OBJ_CASE_INSENSITIVE : 0;
-	    }
-
-	  /* If symlink.check found an existing non-symlink file, then
-	     it sets the appropriate flag.  It also sets any suffix found
-	     into `ext_here'. */
-	  if (!sym.issymlink && sym.fileattr != INVALID_FILE_ATTRIBUTES)
-	    {
-	      error = sym.error;
-	      if (component == 0)
-		add_ext_from_sym (sym);
-	      else if (!(sym.fileattr & FILE_ATTRIBUTE_DIRECTORY))
-		{
-		  error = ENOTDIR;
-		  goto out;
-		}
-	      goto out;	// file found
-	    }
-	  /* Found a symlink if symlen > 0.  If component == 0, then the
-	     src path itself was a symlink.  If !follow_mode then
-	     we're done.  Otherwise we have to insert the path found
-	     into the full path that we are building and perform all of
-	     these operations again on the newly derived path. */
-	  else if (symlen > 0)
-	    {
-	      saw_symlinks = 1;
-	      if (component == 0 && !need_directory && !(opt & PC_SYM_FOLLOW))
-		{
-		  set_symlink (symlen); // last component of path is a symlink.
-		  if (opt & PC_SYM_CONTENTS)
-		    {
-		      strcpy (path, sym.contents);
-		      goto out;
-		    }
-		  add_ext_from_sym (sym);
-		  goto out;
-		}
-	      else
-		break;
-	    }
-	  else if (sym.error && sym.error != ENOENT && sym.error != ENOSHARE)
-	    {
-	      error = sym.error;
-	      goto out;
-	    }
-	  /* No existing file found. */
-
-virtual_component_retry:
-	  /* Find the new "tail" of the path, e.g. in '/for/bar/baz',
-	     /baz is the tail. */
-	  if (tail != path_end)
-	    *tail = '/';
-	  while (--tail > path_copy + 1 && *tail != '/') {}
-	  /* Exit loop if there is no tail or we are at the
-	     beginning of a UNC path */
-	  if (tail <= path_copy + 1)
-	    goto out;	// all done
-
-	  /* Haven't found an existing pathname component yet.
-	     Pinch off the tail and try again. */
-	  *tail = '\0';
-	  component++;
-	}
-
-      /* Arrive here if above loop detected a symlink. */
-      if (++loop > SYMLOOP_MAX)
-	{
-	  error = ELOOP;   // Eep.
-	  return;
-	}
-
-      MALLOC_CHECK;
-
-
-      /* Place the link content, possibly with head and/or tail, in tmp_buf */
-
-      char *headptr;
-      if (isabspath (sym.contents))
-	headptr = tmp_buf;	/* absolute path */
-      else
-	{
-	  /* Copy the first part of the path (with ending /) and point to the end. */
-	  char *prevtail = tail;
-	  while (--prevtail > path_copy  && *prevtail != '/') {}
-	  int headlen = prevtail - path_copy + 1;;
-	  memcpy (tmp_buf, path_copy, headlen);
-	  headptr = &tmp_buf[headlen];
-	}
-
-      /* Make sure there is enough space */
-      if (headptr + symlen >= tmp_buf + (2 * NT_MAX_PATH))
-	{
-	too_long:
-	  error = ENAMETOOLONG;
-	  strcpy (path, "::ENAMETOOLONG::");
-	  return;
-	}
-
-     /* Copy the symlink contents to the end of tmp_buf.
-	Convert slashes. */
-      for (char *p = sym.contents; *p; p++)
-	*headptr++ = *p == '\\' ? '/' : *p;
-      *headptr = '\0';
-
-      /* Copy any tail component (with the 0) */
-      if (tail++ < path_end)
-	{
-	  /* Add a slash if needed. There is space. */
-	  if (*(headptr - 1) != '/')
-	    *headptr++ = '/';
-	  int taillen = path_end - tail + 1;
-	  if (headptr + taillen > tmp_buf + (2 * NT_MAX_PATH))
-	    goto too_long;
-	  memcpy (headptr, tail, taillen);
-	}
-
-      /* Evaluate everything all over again. */
-      src = tmp_buf;
-    }
-
-  if (!(opt & PC_SYM_CONTENTS))
-    add_ext_from_sym (sym);
-
-out:
-  if (dev.devn == FH_NETDRIVE && component)
-    {
-      /* This case indicates a non-existant resp. a non-retrievable
-	 share.  This happens for instance if the share is a printer.
-	 In this case the path must not be treated like a FH_NETDRIVE,
-	 but like a FH_FS instead, so the usual open call for files
-	 is used on it. */
-      dev.parse (FH_FS);
-    }
-  else if (isvirtual_dev (dev.devn) && fileattr == INVALID_FILE_ATTRIBUTES)
-    {
-      error = dev.devn == FH_NETDRIVE ? ENOSHARE : ENOENT;
-      return;
-    }
-  else if (!need_directory || error)
-    /* nothing to do */;
-  else if (fileattr == INVALID_FILE_ATTRIBUTES)
-    strcat (path, "\\"); /* Reattach trailing dirsep in native path. */
-  else if (fileattr & FILE_ATTRIBUTE_DIRECTORY)
-    path_flags &= ~PATH_SYMLINK;
-  else
-    {
-      debug_printf ("%s is a non-directory", path);
-      error = ENOTDIR;
-      return;
-    }
-
-  if (dev.isfs ())
-    {
-      if (strncmp (path, "\\\\.\\", 4))
-	{
-	  if (!tail || tail == path)
-	    /* nothing */;
-	  else if (tail[-1] != '\\')
-	    *tail = '\0';
-	  else
-	    {
-	      error = ENOENT;
-	      return;
-	    }
-	}
-
-      /* FS has been checked already for existing files. */
-      if (exists () || fs.update (get_nt_native_path (), NULL))
-	{
-	  /* Incoming DOS paths are treated like DOS paths in native
-	     Windows applications.  No ACLs, just default settings. */
-	  if (is_msdos)
-	    fs.has_acls (false);
-	  debug_printf ("this->path(%s), has_acls(%d)", path, fs.has_acls ());
-	  if (fs.has_acls ())
-	    set_exec (0);  /* We really don't know if this is executable or not here
-			      but set it to not executable since it will be figured out
-			      later by anything which cares about this. */
-	}
-      if (exec_state () != dont_know_if_executable)
-	/* ok */;
-      else if (isdir ())
-	set_exec (1);
-      else if (issymlink () || issocket ())
-	set_exec (0);
-    }
-
-  if (opt & PC_NOFULL)
-    {
-      if (is_relpath)
-	{
-	  mkrelpath (this->path, !!caseinsensitive);
-	  /* Invalidate wide_path so that wide relpath can be created
-	     in later calls to get_nt_native_path or get_wide_win32_path. */
-	  if (wide_path)
-	    cfree (wide_path);
-	  wide_path = NULL;
-	}
-      if (need_directory)
-	{
-	  size_t n = strlen (this->path);
-	  /* Do not add trailing \ to UNC device names like \\.\a: */
-	  if (this->path[n - 1] != '\\' &&
-	      (strncmp (this->path, "\\\\.\\", 4) != 0))
-	    {
-	      this->path[n] = '\\';
-	      this->path[n + 1] = '\0';
-	    }
-	}
-    }
-
-  if (saw_symlinks)
-    set_has_symlinks ();
-
-  if (!(opt & PC_POSIX))
-    normalized_path_size = 0;
-  else
-    {
-      if (tail < path_end && tail > path_copy + 1)
-	*tail = '/';
-      set_normalized_path (path_copy);
-      if (is_msdos && !(opt & PC_NOWARN))
-	warn_msdos (src);
-    }
-
-#if 0
-  if (!error)
-    {
-      last_path_conv = *this;
-      strcpy (last_src, src);
-    }
-#endif
-}
-
-path_conv::~path_conv ()
-{
-  if (!normalized_path_size && normalized_path)
-    {
-      cfree (normalized_path);
-      normalized_path = NULL;
-    }
-  if (wide_path)
-    {
-      cfree (wide_path);
-      wide_path = NULL;
-    }
-}
-
-bool
-path_conv::is_binary ()
-{
-  tmp_pathbuf tp;
-  PWCHAR bintest = tp.w_get ();
-  DWORD bin;
-
-  return GetBinaryTypeW (get_wide_win32_path (bintest), &bin);
-}
-
-/* Normalize a Win32 path.
-   /'s are converted to \'s in the process.
-   All duplicate \'s, except for 2 leading \'s, are deleted.
-
-   The result is 0 for success, or an errno error value.
-   FIXME: A lot of this should be mergeable with the POSIX critter.  */
-int
-normalize_win32_path (const char *src, char *dst, char *&tail)
-{
-  const char *src_start = src;
-  bool beg_src_slash = isdirsep (src[0]);
-
-  tail = dst;
-  /* Skip long path name prefixes in Win32 or NT syntax. */
-  if (beg_src_slash && (src[1] == '?' || isdirsep (src[1]))
-      && src[2] == '?' && isdirsep (src[3]))
-    {
-      src += 4;
-      if (src[1] != ':') /* native UNC path */
-	src += 2; /* Fortunately the first char is not copied... */
-      else
-	beg_src_slash = false;
-    }
-  if (beg_src_slash && isdirsep (src[1]))
-    {
-      if (isdirsep (src[2]))
-	{
-	  /* More than two slashes are just folded into one. */
-	  src += 2;
-	  while (isdirsep (src[1]))
-	    ++src;
-	}
-      else
-	{
-	  /* Two slashes start a network or device path. */
-	  *tail++ = '\\';
-	  src++;
-	  if (src[1] == '.' && isdirsep (src[2]))
-	    {
-	      *tail++ = '\\';
-	      *tail++ = '.';
-	      src += 2;
-	    }
-	}
-    }
-  if (tail == dst && !isdrive (src) && *src != '/')
-    {
-      if (beg_src_slash)
-	tail += cygheap->cwd.get_drive (dst);
-      else if (!cygheap->cwd.get (dst, 0))
-	return get_errno ();
-      else
-	{
-	  tail = strchr (tail, '\0');
-	  if (tail[-1] != '\\')
-	    *tail++ = '\\';
-	}
-    }
-
-  while (*src)
-    {
-      /* Strip duplicate /'s.  */
-      if (isdirsep (src[0]) && isdirsep (src[1]))
-	src++;
-      /* Ignore "./".  */
-      else if (src[0] == '.' && isdirsep (src[1])
-	       && (src == src_start || isdirsep (src[-1])))
-	src += 2;
-
-      /* Backup if "..".  */
-      else if (src[0] == '.' && src[1] == '.'
-	       /* dst must be greater than dst_start */
-	       && tail[-1] == '\\')
-	{
-	  if (!isdirsep (src[2]) && src[2] != '\0')
-	      *tail++ = *src++;
-	  else
-	    {
-	      /* Back up over /, but not if it's the first one.  */
-	      if (tail > dst + 1)
-		tail--;
-	      /* Now back up to the next /.  */
-	      while (tail > dst + 1 && tail[-1] != '\\' && tail[-2] != ':')
-		tail--;
-	      src += 2;
-	      if (isdirsep (*src))
-		src++;
-	    }
-	}
-      /* Otherwise, add char to result.  */
-      else
-	{
-	  if (*src == '/')
-	    *tail++ = '\\';
-	  else
-	    *tail++ = *src;
-	  src++;
-	}
-      if ((tail - dst) >= NT_MAX_PATH)
-	return ENAMETOOLONG;
-    }
-   if (tail > dst + 1 && tail[-1] == '.' && tail[-2] == '\\')
-     tail--;
-  *tail = '\0';
-  debug_printf ("%s = normalize_win32_path (%s)", dst, src_start);
-  return 0;
-}
-
-/* Various utilities.  */
-
-/* nofinalslash: Remove trailing / and \ from SRC (except for the
-   first one).  It is ok for src == dst.  */
-
-void __stdcall
-nofinalslash (const char *src, char *dst)
-{
-  int len = strlen (src);
-  if (src != dst)
-    memcpy (dst, src, len + 1);
-  while (len > 1 && isdirsep (dst[--len]))
-    dst[len] = '\0';
-}
-
-/* conv_path_list: Convert a list of path names to/from Win32/POSIX. */
-
-static int
-conv_path_list (const char *src, char *dst, size_t size, int to_posix)
-{
-  tmp_pathbuf tp;
-  char src_delim, dst_delim;
-  cygwin_conv_path_t conv_fn;
-  size_t len;
-
-  if (to_posix)
-    {
-      src_delim = ';';
-      dst_delim = ':';
-      conv_fn = CCP_WIN_A_TO_POSIX | CCP_RELATIVE;
-    }
-  else
-    {
-      src_delim = ':';
-      dst_delim = ';';
-      conv_fn = CCP_POSIX_TO_WIN_A | CCP_RELATIVE;
-    }
-
-  char *srcbuf;
-  len = strlen (src) + 1;
-  if (len <= NT_MAX_PATH * sizeof (WCHAR))
-    srcbuf = (char *) tp.w_get ();
-  else
-    srcbuf = (char *) alloca (len);
-
-  int err = 0;
-  char *d = dst - 1;
-  bool saw_empty = false;
-  do
-    {
-      char *s = strccpy (srcbuf, &src, src_delim);
-      size_t len = s - srcbuf;
-      if (len >= NT_MAX_PATH)
-	{
-	  err = ENAMETOOLONG;
-	  break;
-	}
-      if (len)
-	{
-	  ++d;
-	  err = cygwin_conv_path (conv_fn, srcbuf, d, size - (d - dst));
-	}
-      else if (!to_posix)
-	{
-	  ++d;
-	  err = cygwin_conv_path (conv_fn, ".", d, size - (d - dst));
-	}
-      else
-	{
-	  if (to_posix == ENV_CVT)
-	    saw_empty = true;
-	  continue;
-	}
-      if (err)
-	break;
-      d = strchr (d, '\0');
-      *d = dst_delim;
-    }
-  while (*src++);
-
-  if (saw_empty)
-    err = EIDRM;
-
-  if (d < dst)
-    d++;
-  *d = '\0';
-  return err;
-}
-
-/********************** Symbolic Link Support **************************/
-
-/* Create a symlink from FROMPATH to TOPATH. */
-
-/* If TRUE create symlinks as Windows shortcuts, if false create symlinks
-   as normal files with magic number and system bit set. */
-bool allow_winsymlinks = false;
-
-extern "C" int
-symlink (const char *oldpath, const char *newpath)
-{
-  return symlink_worker (oldpath, newpath, allow_winsymlinks, false);
-}
-
-int
-symlink_worker (const char *oldpath, const char *newpath, bool use_winsym,
-		bool isdevice)
-{
-  int res = -1;
-  size_t len;
-  path_conv win32_newpath, win32_oldpath;
-  char *buf, *cp;
-  SECURITY_ATTRIBUTES sa = sec_none_nih;
-  security_descriptor sd;
-  OBJECT_ATTRIBUTES attr;
-  IO_STATUS_BLOCK io;
-  NTSTATUS status;
-  HANDLE fh;
-  tmp_pathbuf tp;
-  unsigned check_opt;
-
-  /* POSIX says that empty 'newpath' is invalid input while empty
-     'oldpath' is valid -- it's symlink resolver job to verify if
-     symlink contents point to existing filesystem object */
-  myfault efault;
-  if (efault.faulted (EFAULT))
-    goto done;
-  if (!*oldpath || !*newpath)
-    {
-      set_errno (ENOENT);
-      goto done;
-    }
-
-  if (strlen (oldpath) > SYMLINK_MAX)
-    {
-      set_errno (ENAMETOOLONG);
-      goto done;
-    }
-
-  len = strlen (newpath);
-  /* Trailing dirsep is a no-no. */
-  if (isdirsep (newpath[len - 1]))
-    {
-      set_errno (ENOENT);
-      goto done;
-    }
-
-  check_opt = PC_SYM_NOFOLLOW | PC_POSIX | (isdevice ? PC_NOWARN : 0);
-  /* We need the normalized full path below. */
-  win32_newpath.check (newpath, check_opt, stat_suffixes);
-  if (use_winsym && !win32_newpath.exists ()
-      && (isdevice || !win32_newpath.fs_is_nfs ()))
-    {
-      char *newplnk = tp.c_get ();
-      stpcpy (stpcpy (newplnk, newpath), ".lnk");
-      win32_newpath.check (newplnk, check_opt);
-    }
-
-  if (win32_newpath.error)
-    {
-      set_errno (win32_newpath.error);
-      goto done;
-    }
-
-  syscall_printf ("symlink (%s, %S)", oldpath,
-		  win32_newpath.get_nt_native_path ());
-
-  if ((!isdevice && win32_newpath.exists ())
-      || win32_newpath.is_auto_device ())
-    {
-      set_errno (EEXIST);
-      goto done;
-    }
-
-  if (!isdevice && win32_newpath.fs_is_nfs ())
-    {
-      /* On NFS, create symlinks by calling NtCreateFile with an EA of type
-	 NfsSymlinkTargetName containing ... the symlink target name. */
-      PFILE_FULL_EA_INFORMATION pffei = (PFILE_FULL_EA_INFORMATION) tp.w_get ();
-      pffei->NextEntryOffset = 0;
-      pffei->Flags = 0;
-      pffei->EaNameLength = sizeof (NFS_SYML_TARGET) - 1;
-      char *EaValue = stpcpy (pffei->EaName, NFS_SYML_TARGET) + 1;
-      pffei->EaValueLength = sizeof (WCHAR) *
-	(sys_mbstowcs ((PWCHAR) EaValue, NT_MAX_PATH, oldpath) - 1);
-      status = NtCreateFile (&fh, FILE_WRITE_DATA | FILE_WRITE_EA | SYNCHRONIZE,
-			     win32_newpath.get_object_attr (attr, sa),
-			     &io, NULL, FILE_ATTRIBUTE_SYSTEM,
-			     FILE_SHARE_VALID_FLAGS, FILE_CREATE,
-			     FILE_SYNCHRONOUS_IO_NONALERT
-			     | FILE_OPEN_FOR_BACKUP_INTENT,
-			     pffei, NT_MAX_PATH * sizeof (WCHAR));
-      if (!NT_SUCCESS (status))
-	{
-	  __seterrno_from_nt_status (status);
-	  goto done;
-	}
-      NtClose (fh);
-      res = 0;
-      goto done;
-    }
-
-  if (use_winsym)
-    {
-      ITEMIDLIST *pidl = NULL;
-      size_t full_len = 0;
-      unsigned short oldpath_len, desc_len, relpath_len, pidl_len = 0;
-      char desc[MAX_PATH + 1], *relpath;
-
-      if (!isdevice)
-	{
-	  /* First create an IDLIST to learn how big our shortcut is
-	     going to be. */
-	  IShellFolder *psl;
-
-	  /* The symlink target is relative to the directory in which
-	     the symlink gets created, not relative to the cwd.  Therefore
-	     we have to mangle the path quite a bit before calling path_conv. */
-	if (isabspath (oldpath))
-	  win32_oldpath.check (oldpath,
-			       PC_SYM_NOFOLLOW,
-			       stat_suffixes);
-	else
-	    {
-	      len = strrchr (win32_newpath.normalized_path, '/')
-		    - win32_newpath.normalized_path + 1;
-	      char *absoldpath = tp.t_get ();
-	      stpcpy (stpncpy (absoldpath, win32_newpath.normalized_path, len),
-		      oldpath);
-	      win32_oldpath.check (absoldpath, PC_SYM_NOFOLLOW, stat_suffixes);
-	    }
-	  if (SUCCEEDED (SHGetDesktopFolder (&psl)))
-	    {
-	      WCHAR wc_path[win32_oldpath.get_wide_win32_path_len () + 1];
-	      win32_oldpath.get_wide_win32_path (wc_path);
-	      /* Amazing but true:  Even though the ParseDisplayName method
-		 takes a wide char path name, it does not understand the
-		 Win32 prefix for long pathnames!  So we have to tack off
-		 the prefix and convert the path to the "normal" syntax
-		 for ParseDisplayName.  */
-	      WCHAR *wc = wc_path + 4;
-	      if (wc[1] != L':') /* native UNC path */
-		*(wc += 2) = L'\\';
-	      HRESULT res;
-	      if (SUCCEEDED (res = psl->ParseDisplayName (NULL, NULL, wc, NULL,
-						    &pidl, NULL)))
-		{
-		  ITEMIDLIST *p;
-
-		  for (p = pidl; p->mkid.cb > 0;
-		       p = (ITEMIDLIST *)((char *) p + p->mkid.cb))
-		    ;
-		  pidl_len = (char *) p - (char *) pidl + 2;
-		}
-	      psl->Release ();
-	    }
-	}
-      /* Compute size of shortcut file. */
-      full_len = sizeof (win_shortcut_hdr);
-      if (pidl_len)
-	full_len += sizeof (unsigned short) + pidl_len;
-      oldpath_len = strlen (oldpath);
-      /* Unfortunately the length of the description is restricted to a
-	 length of MAX_PATH up to NT4, and to a length of 2000 bytes
-	 since W2K.  We don't want to add considerations for the different
-	 lengths and even 2000 bytes is not enough for long path names.
-	 So what we do here is to set the description to the POSIX path
-	 only if the path is not longer than MAX_PATH characters.  We
-	 append the full path name after the regular shortcut data
-	 (see below), which works fine with Windows Explorer as well
-	 as older Cygwin versions (as long as the whole file isn't bigger
-	 than 8K).  The description field is only used for backward
-	 compatibility to older Cygwin versions and those versions are
-	 not capable of handling long path names anyway. */
-      desc_len = stpcpy (desc, oldpath_len > MAX_PATH
-			       ? "[path too long]" : oldpath) - desc;
-      full_len += sizeof (unsigned short) + desc_len;
-      /* Devices get the oldpath string unchanged as relative path. */
-      if (isdevice)
-	{
-	  relpath_len = oldpath_len;
-	  stpcpy (relpath = tp.c_get (), oldpath);
-	}
-      else
-	{
-	  relpath_len = strlen (win32_oldpath.get_win32 ());
-	  stpcpy (relpath = tp.c_get (), win32_oldpath.get_win32 ());
-	}
-      full_len += sizeof (unsigned short) + relpath_len;
-      full_len += sizeof (unsigned short) + oldpath_len;
-      /* 1 byte more for trailing 0 written by stpcpy. */
-      if (full_len < NT_MAX_PATH * sizeof (WCHAR))
-	buf = (char *) tp.w_get ();
-      else
-	buf = (char *) alloca (full_len + 1);
-
-      /* Create shortcut header */
-      win_shortcut_hdr *shortcut_header = (win_shortcut_hdr *) buf;
-      memset (shortcut_header, 0, sizeof *shortcut_header);
-      shortcut_header->size = sizeof *shortcut_header;
-      shortcut_header->magic = GUID_shortcut;
-      shortcut_header->flags = (WSH_FLAG_DESC | WSH_FLAG_RELPATH);
-      if (pidl)
-	shortcut_header->flags |= WSH_FLAG_IDLIST;
-      shortcut_header->run = SW_NORMAL;
-      cp = buf + sizeof (win_shortcut_hdr);
-
-      /* Create IDLIST */
-      if (pidl)
-	{
-	  *(unsigned short *)cp = pidl_len;
-	  memcpy (cp += 2, pidl, pidl_len);
-	  cp += pidl_len;
-	  CoTaskMemFree (pidl);
-	}
-
-      /* Create description */
-      *(unsigned short *)cp = desc_len;
-      cp = stpcpy (cp += 2, desc);
-
-      /* Create relpath */
-      *(unsigned short *)cp = relpath_len;
-      cp = stpcpy (cp += 2, relpath);
-
-      /* Append the POSIX path after the regular shortcut data for
-	 the long path support. */
-      *(unsigned short *)cp = oldpath_len;
-      cp = stpcpy (cp += 2, oldpath);
-    }
-  else
-    {
-      /* This is the old technique creating a symlink. */
-      buf = tp.c_get ();
-      /* Note that the terminating nul is written.  */
-      cp = stpcpy (stpcpy (buf, SYMLINK_COOKIE), oldpath) + 1;
-    }
-
-  if (isdevice && win32_newpath.exists ())
-    {
-      status = NtOpenFile (&fh, FILE_WRITE_ATTRIBUTES,
-			   win32_newpath.get_object_attr (attr, sa),
-			   &io, 0, FILE_OPEN_FOR_BACKUP_INTENT);
-      if (!NT_SUCCESS (status))
-	{
-	  __seterrno_from_nt_status (status);
-	  goto done;
-	}
-      status = NtSetAttributesFile (fh, FILE_ATTRIBUTE_NORMAL);
-      NtClose (fh);
-      if (!NT_SUCCESS (status))
-	{
-	  __seterrno_from_nt_status (status);
-	  goto done;
-	}
-    }
-  /* See comments in fhander_base::open () for an explanation why we defer
-     setting security attributes on remote files. */
-  if (win32_newpath.has_acls () && !win32_newpath.isremote ())
-    set_security_attribute (win32_newpath, S_IFLNK | STD_RBITS | STD_WBITS,
-			    &sa, sd);
-  status = NtCreateFile (&fh, DELETE | FILE_GENERIC_WRITE,
-			 win32_newpath.get_object_attr (attr, sa),
-			 &io, NULL, FILE_ATTRIBUTE_NORMAL,
-			 FILE_SHARE_VALID_FLAGS,
-			 isdevice ? FILE_OVERWRITE_IF : FILE_CREATE,
-			 FILE_SYNCHRONOUS_IO_NONALERT
-			 | FILE_NON_DIRECTORY_FILE
-			 | FILE_OPEN_FOR_BACKUP_INTENT,
-			 NULL, 0);
-  if (!NT_SUCCESS (status))
-    {
-      __seterrno_from_nt_status (status);
-      goto done;
-    }
-  if (win32_newpath.has_acls () && win32_newpath.isremote ())
-    set_file_attribute (fh, win32_newpath, ILLEGAL_UID, ILLEGAL_GID,
-			S_IFLNK | STD_RBITS | STD_WBITS);
-  status = NtWriteFile (fh, NULL, NULL, NULL, &io, buf, cp - buf, NULL, NULL);
-  if (NT_SUCCESS (status) && io.Information == (ULONG) (cp - buf))
-    {
-      status = NtSetAttributesFile (fh, use_winsym ? FILE_ATTRIBUTE_READONLY
-						   : FILE_ATTRIBUTE_SYSTEM);
-      if (!NT_SUCCESS (status))
-	debug_printf ("Setting attributes failed, status = %p", status);
-      res = 0;
-    }
-  else
-    {
-      __seterrno_from_nt_status (status);
-      FILE_DISPOSITION_INFORMATION fdi = { TRUE };
-      status = NtSetInformationFile (fh, &io, &fdi, sizeof fdi,
-				     FileDispositionInformation);
-      if (!NT_SUCCESS (status))
-	debug_printf ("Setting delete dispostion failed, status = %p", status);
-    }
-  NtClose (fh);
-
-done:
-  syscall_printf ("%d = symlink_worker (%s, %s, %d, %d)", res, oldpath,
-		  newpath, use_winsym, isdevice);
-  return res;
-}
-
-static bool
-cmp_shortcut_header (win_shortcut_hdr *file_header)
-{
-  /* A Cygwin or U/Win shortcut only contains a description and a relpath.
-     Cygwin shortcuts also might contain an ITEMIDLIST. The run type is
-     always set to SW_NORMAL. */
-  return file_header->size == sizeof (win_shortcut_hdr)
-      && !memcmp (&file_header->magic, &GUID_shortcut, sizeof GUID_shortcut)
-      && (file_header->flags & ~WSH_FLAG_IDLIST)
-	 == (WSH_FLAG_DESC | WSH_FLAG_RELPATH)
-      && file_header->run == SW_NORMAL;
-}
-
-int
-symlink_info::check_shortcut (HANDLE in_h)
-{
-  tmp_pathbuf tp;
-  win_shortcut_hdr *file_header;
-  char *buf, *cp;
-  unsigned short len;
-  int res = 0;
-  UNICODE_STRING same = { 0, 0, (PWCHAR) L"" };
-  OBJECT_ATTRIBUTES attr;
-  NTSTATUS status;
-  HANDLE h;
-  IO_STATUS_BLOCK io;
-  FILE_STANDARD_INFORMATION fsi;
-
-  InitializeObjectAttributes (&attr, &same, 0, in_h, NULL);
-  status = NtOpenFile (&h, FILE_READ_DATA | SYNCHRONIZE,
-		       &attr, &io, FILE_SHARE_VALID_FLAGS,
-		       FILE_OPEN_FOR_BACKUP_INTENT
-		       | FILE_SYNCHRONOUS_IO_NONALERT);
-  if (!NT_SUCCESS (status))
-    return 0;
-  status = NtQueryInformationFile (h, &io, &fsi, sizeof fsi,
-				   FileStandardInformation);
-  if (!NT_SUCCESS (status))
-    {
-      set_error (EIO);
-      goto out;
-    }
-  if (fsi.EndOfFile.QuadPart <= sizeof (win_shortcut_hdr)
-      || fsi.EndOfFile.QuadPart > 4 * 65536)
-    goto out;
-  if (fsi.EndOfFile.LowPart < NT_MAX_PATH * sizeof (WCHAR))
-    buf = (char *) tp.w_get ();
-  else
-    buf = (char *) alloca (fsi.EndOfFile.LowPart + 1);
-  if (!NT_SUCCESS (NtReadFile (h, NULL, NULL, NULL,
-			       &io, buf, fsi.EndOfFile.LowPart, NULL, NULL)))
-    {
-      set_error (EIO);
-      goto out;
-    }
-  file_header = (win_shortcut_hdr *) buf;
-  if (io.Information != fsi.EndOfFile.LowPart
-      || !cmp_shortcut_header (file_header))
-    goto out;
-  cp = buf + sizeof (win_shortcut_hdr);
-  if (file_header->flags & WSH_FLAG_IDLIST) /* Skip ITEMIDLIST */
-    cp += *(unsigned short *) cp + 2;
-  if (!(len = *(unsigned short *) cp))
-    goto out;
-  cp += 2;
-  /* Check if this is a device file - these start with the sequence :\\ */
-  if (strncmp (cp, ":\\", 2) == 0)
-    res = strlen (strcpy (contents, cp)); /* Don't mess with device files */
-  else
-    {
-      /* Has appended full path?  If so, use it instead of description. */
-      unsigned short relpath_len = *(unsigned short *) (cp + len);
-      if (cp + len + 2 + relpath_len < buf + fsi.EndOfFile.LowPart)
-	{
-	  cp += len + 2 + relpath_len;
-	  len = *(unsigned short *) cp;
-	  cp += 2;
-	}
-      if (len > SYMLINK_MAX)
-	goto out;
-      cp[len] = '\0';
-      res = posixify (cp);
-    }
-  if (res) /* It's a symlink.  */
-    pflags = PATH_SYMLINK | PATH_LNK;
-  return res;
-
-out:
-  NtClose (h);
-  return 0;
-}
-
-int
-symlink_info::check_sysfile (HANDLE in_h)
-{
-  char cookie_buf[sizeof (SYMLINK_COOKIE) - 1];
-  char srcbuf[SYMLINK_MAX + 2];
-  int res = 0;
-  UNICODE_STRING same = { 0, 0, (PWCHAR) L"" };
-  OBJECT_ATTRIBUTES attr;
-  NTSTATUS status;
-  HANDLE h;
-  IO_STATUS_BLOCK io;
-
-  InitializeObjectAttributes (&attr, &same, 0, in_h, NULL);
-  status = NtOpenFile (&h, FILE_READ_DATA | SYNCHRONIZE,
-		       &attr, &io, FILE_SHARE_VALID_FLAGS,
-		       FILE_OPEN_FOR_BACKUP_INTENT
-		       | FILE_SYNCHRONOUS_IO_NONALERT);
-  if (!NT_SUCCESS (status))
-    ;
-  else if (!NT_SUCCESS (status = NtReadFile (h, NULL, NULL, NULL, &io,
-					     cookie_buf, sizeof (cookie_buf),
-					     NULL, NULL)))
-    {
-      debug_printf ("ReadFile1 failed");
-      if (status != STATUS_END_OF_FILE)
-	set_error (EIO);
-    }
-  else if (io.Information == sizeof (cookie_buf)
-	   && memcmp (cookie_buf, SYMLINK_COOKIE, sizeof (cookie_buf)) == 0)
-    {
-      /* It's a symlink.  */
-      pflags = PATH_SYMLINK;
-
-      status = NtReadFile (h, NULL, NULL, NULL, &io, srcbuf,
-			   SYMLINK_MAX + 2, NULL, NULL);
-      if (!NT_SUCCESS (status))
-	{
-	  debug_printf ("ReadFile2 failed");
-	  if (status != STATUS_END_OF_FILE)
-	    set_error (EIO);
-	}
-      else if (io.Information > SYMLINK_MAX + 1)
-	debug_printf ("symlink string too long");
-      else
-	res = posixify (srcbuf);
-    }
-  else if (io.Information == sizeof (cookie_buf)
-	   && memcmp (cookie_buf, SOCKET_COOKIE, sizeof (cookie_buf)) == 0)
-    pflags |= PATH_SOCKET;
-  NtClose (h);
-  return res;
-}
-
-int
-symlink_info::check_reparse_point (HANDLE h)
-{
-  tmp_pathbuf tp;
-  NTSTATUS status;
-  IO_STATUS_BLOCK io;
-  PREPARSE_DATA_BUFFER rp = (PREPARSE_DATA_BUFFER) tp.c_get ();
-  char srcbuf[SYMLINK_MAX + 7];
-
-  status = NtFsControlFile (h, NULL, NULL, NULL, &io, FSCTL_GET_REPARSE_POINT,
-			    NULL, 0, (LPVOID) rp,
-			    MAXIMUM_REPARSE_DATA_BUFFER_SIZE);
-  if (!NT_SUCCESS (status))
-    {
-      debug_printf ("NtFsControlFile(FSCTL_GET_REPARSE_POINT) failed, %p",
-		    status);
-      set_error (EIO);
-      return 0;
-    }
-  if (rp->ReparseTag == IO_REPARSE_TAG_SYMLINK)
-    {
-      sys_wcstombs (srcbuf, SYMLINK_MAX + 1,
-		    (WCHAR *)((char *)rp->SymbolicLinkReparseBuffer.PathBuffer
-			  + rp->SymbolicLinkReparseBuffer.SubstituteNameOffset),
-		    rp->SymbolicLinkReparseBuffer.SubstituteNameLength / sizeof (WCHAR));
-      pflags = PATH_SYMLINK | PATH_REP;
-      fileattr &= ~FILE_ATTRIBUTE_DIRECTORY;
-    }
-  else if (rp->ReparseTag == IO_REPARSE_TAG_MOUNT_POINT)
-    {
-      if (rp->SymbolicLinkReparseBuffer.PrintNameLength == 0)
-	{
-	  /* Likely a volume mount point.  Not treated as symlink. */
-	  return 0;
-	}
-      sys_wcstombs (srcbuf, SYMLINK_MAX + 1,
-		    (WCHAR *)((char *)rp->MountPointReparseBuffer.PathBuffer
-			    + rp->MountPointReparseBuffer.SubstituteNameOffset),
-		    rp->MountPointReparseBuffer.SubstituteNameLength / sizeof (WCHAR));
-      pflags = PATH_SYMLINK | PATH_REP;
-      fileattr &= ~FILE_ATTRIBUTE_DIRECTORY;
-    }
-  return posixify (srcbuf);
-}
-
-int
-symlink_info::check_nfs_symlink (HANDLE h)
-{
-  tmp_pathbuf tp;
-  NTSTATUS status;
-  IO_STATUS_BLOCK io;
-  struct {
-    FILE_GET_EA_INFORMATION fgei;
-    char buf[sizeof (NFS_SYML_TARGET)];
-  } fgei_buf;
-  PFILE_FULL_EA_INFORMATION pffei;
-  int res = 0;
-
-  /* To find out if the file is a symlink and to get the symlink target,
-     try to fetch the NfsSymlinkTargetName EA. */
-  fgei_buf.fgei.NextEntryOffset = 0;
-  fgei_buf.fgei.EaNameLength = sizeof (NFS_SYML_TARGET) - 1;
-  stpcpy (fgei_buf.fgei.EaName, NFS_SYML_TARGET);
-  pffei = (PFILE_FULL_EA_INFORMATION) tp.w_get ();
-  status = NtQueryEaFile (h, &io, pffei, NT_MAX_PATH * sizeof (WCHAR), TRUE,
-			  &fgei_buf.fgei, sizeof fgei_buf, NULL, TRUE);
-  if (NT_SUCCESS (status) && pffei->EaValueLength > 0)
-    {
-      PWCHAR spath = (PWCHAR)
-		     (pffei->EaName + pffei->EaNameLength + 1);
-      res = sys_wcstombs (contents, SYMLINK_MAX + 1,
-		      spath, pffei->EaValueLength);
-      pflags = PATH_SYMLINK;
-    }
-  return res;
-}
-
-int
-symlink_info::posixify (char *srcbuf)
-{
-  /* The definition for a path in a native symlink is a bit weird.  The Flags
-     value seem to contain 0 for absolute paths (stored as NT native path)
-     and 1 for relative paths.  Relative paths are paths not starting with a
-     drive letter.  These are not converted to NT native, but stored as
-     given.  A path starting with a single backslash is relative to the
-     current drive thus a "relative" value (Flags == 1).
-     Funny enough it's possible to store paths with slashes instead of
-     backslashes, but they are evaluated incorrectly by subsequent Windows
-     calls like CreateFile (ERROR_INVALID_NAME).  So, what we do here is to
-     take paths starting with slashes at face value, evaluating them as
-     Cygwin specific POSIX paths.
-     A path starting with two slashes(!) or backslashes is converted into an
-     NT UNC path.  Unfortunately, in contrast to POSIX rules, paths starting
-     with three or more (back)slashes are also converted into UNC paths,
-     just incorrectly sticking to one redundant leading backslashe.  We go
-     along with this behaviour to avoid scenarios in which native tools access
-     other files than Cygwin.
-     The above rules are used exactly the same way on Cygwin specific symlinks
-     (sysfiles and shortcuts) to eliminate non-POSIX paths in the output. */
-
-  /* Eliminate native NT prefixes. */
-  if (srcbuf[0] == '\\' && !strncmp (srcbuf + 1, "??\\", 3))
-    {
-      srcbuf += 4;
-      if (srcbuf[1] != ':') /* native UNC path */
-	*(srcbuf += 2) = '\\';
-    }
-  if (isdrive (srcbuf))
-    mount_table->conv_to_posix_path (srcbuf, contents, 0);
-  else if (srcbuf[0] == '\\')
-    {
-      if (srcbuf[1] == '\\') /* UNC path */
-	slashify (srcbuf, contents, 0);
-      else /* Paths starting with \ are current drive relative. */
-	{
-	  char cvtbuf[SYMLINK_MAX + 1];
-
-	  stpcpy (cvtbuf + cygheap->cwd.get_drive (cvtbuf), srcbuf);
-	  mount_table->conv_to_posix_path (cvtbuf, contents, 0);
-	}
-    }
-  else /* Everything else is taken as is. */
-    slashify (srcbuf, contents, 0);
-  return strlen (contents);
-}
-
-enum
-{
-  SCAN_BEG,
-  SCAN_LNK,
-  SCAN_HASLNK,
-  SCAN_JUSTCHECK,
-  SCAN_JUSTCHECKTHIS, /* Never try to append a suffix. */
-  SCAN_APPENDLNK,
-  SCAN_EXTRALNK,
-  SCAN_DONE,
-};
-
-class suffix_scan
-{
-  const suffix_info *suffixes, *suffixes_start;
-  int nextstate;
-  char *eopath;
-public:
-  const char *path;
-  char *has (const char *, const suffix_info *);
-  int next ();
-  int lnk_match () {return nextstate >= SCAN_APPENDLNK;}
-};
-
-char *
-suffix_scan::has (const char *in_path, const suffix_info *in_suffixes)
-{
-  nextstate = SCAN_BEG;
-  suffixes = suffixes_start = in_suffixes;
-
-  const char *fname = strrchr (in_path, '\\');
-  fname = fname ? fname + 1 : in_path;
-  char *ext_here = strrchr (fname, '.');
-  path = in_path;
-  eopath = strchr (path, '\0');
-
-  if (!ext_here)
-    goto noext;
-
-  if (suffixes)
-    {
-      /* Check if the extension matches a known extension */
-      for (const suffix_info *ex = in_suffixes; ex->name != NULL; ex++)
-	if (ascii_strcasematch (ext_here, ex->name))
-	  {
-	    nextstate = SCAN_JUSTCHECK;
-	    suffixes = NULL;	/* Has an extension so don't scan for one. */
-	    goto done;
-	  }
-    }
-
-  /* Didn't match.  Use last resort -- .lnk. */
-  if (ascii_strcasematch (ext_here, ".lnk"))
-    {
-      nextstate = SCAN_HASLNK;
-      suffixes = NULL;
-    }
-
- noext:
-  ext_here = eopath;
-
- done:
-  /* Avoid attaching suffixes if the resulting filename would be invalid. */
-  if (eopath - fname > NAME_MAX - 4)
-    {
-      nextstate = SCAN_JUSTCHECKTHIS;
-      suffixes = NULL;
-    }
-  return ext_here;
-}
-
-int
-suffix_scan::next ()
-{
-  for (;;)
-    {
-      if (!suffixes)
-	switch (nextstate)
-	  {
-	  case SCAN_BEG:
-	    suffixes = suffixes_start;
-	    if (!suffixes)
-	      {
-		nextstate = SCAN_LNK;
-		return 1;
-	      }
-	    nextstate = SCAN_EXTRALNK;
-	    /* fall through to suffix checking below */
-	    break;
-	  case SCAN_HASLNK:
-	    nextstate = SCAN_APPENDLNK;	/* Skip SCAN_BEG */
-	    return 1;
-	  case SCAN_EXTRALNK:
-	    nextstate = SCAN_DONE;
-	    *eopath = '\0';
-	    return 0;
-	  case SCAN_JUSTCHECK:
-	    nextstate = SCAN_LNK;
-	    return 1;
-	  case SCAN_JUSTCHECKTHIS:
-	    nextstate = SCAN_DONE;
-	    return 1;
-	  case SCAN_LNK:
-	  case SCAN_APPENDLNK:
-	    strcat (eopath, ".lnk");
-	    nextstate = SCAN_DONE;
-	    return 1;
-	  default:
-	    *eopath = '\0';
-	    return 0;
-	  }
-
-      while (suffixes && suffixes->name)
-	if (nextstate == SCAN_EXTRALNK && !suffixes->addon)
-	  suffixes++;
-	else
-	  {
-	    strcpy (eopath, suffixes->name);
-	    if (nextstate == SCAN_EXTRALNK)
-	      strcat (eopath, ".lnk");
-	    suffixes++;
-	    return 1;
-	  }
-      suffixes = NULL;
-    }
-}
-
-bool
-symlink_info::set_error (int in_errno)
-{
-  bool res;
-  if (!(pflags & PATH_NO_ACCESS_CHECK) || in_errno == ENAMETOOLONG || in_errno == EIO)
-    {
-      error = in_errno;
-      res = true;
-    }
-  else if (in_errno == ENOENT)
-    res = true;
-  else
-    {
-      fileattr = FILE_ATTRIBUTE_NORMAL;
-      res = false;
-    }
-  return res;
-}
-
-bool
-symlink_info::parse_device (const char *contents)
-{
-  char *endptr;
-  _major_t mymajor;
-  _major_t myminor;
-  _mode_t mymode;
-
-  mymajor = strtol (contents += 2, &endptr, 16);
-  if (endptr == contents)
-    return isdevice = false;
-
-  contents = endptr;
-  myminor = strtol (++contents, &endptr, 16);
-  if (endptr == contents)
-    return isdevice = false;
-
-  contents = endptr;
-  mymode = strtol (++contents, &endptr, 16);
-  if (endptr == contents)
-    return isdevice = false;
-
-  if ((mymode & S_IFMT) == S_IFIFO)
-    {
-      mymajor = _major (FH_FIFO);
-      myminor = _minor (FH_FIFO);
-    }
-
-  major = mymajor;
-  minor = myminor;
-  mode = mymode;
-  return isdevice = true;
-}
-
-/* Check if PATH is a symlink.  PATH must be a valid Win32 path name.
-
-   If PATH is a symlink, put the value of the symlink--the file to
-   which it points--into BUF.  The value stored in BUF is not
-   necessarily null terminated.  BUFLEN is the length of BUF; only up
-   to BUFLEN characters will be stored in BUF.  BUF may be NULL, in
-   which case nothing will be stored.
-
-   Set *SYML if PATH is a symlink.
-
-   Set *EXEC if PATH appears to be executable.  This is an efficiency
-   hack because we sometimes have to open the file anyhow.  *EXEC will
-   not be set for every executable file.
-
-   Return -1 on error, 0 if PATH is not a symlink, or the length
-   stored into BUF if PATH is a symlink.  */
-
-int
-symlink_info::check (char *path, const suffix_info *suffixes, unsigned opt,
-		     fs_info &fs)
-{
-  HANDLE h = NULL;
-  int res = 0;
-  suffix_scan suffix;
-  contents[0] = '\0';
-
-  issymlink = true;
-  isdevice = false;
-  ext_here = suffix.has (path, suffixes);
-  extn = ext_here - path;
-  major = 0;
-  minor = 0;
-  mode = 0;
-  pflags &= ~(PATH_SYMLINK | PATH_LNK | PATH_REP);
-  ULONG ci_flag = cygwin_shared->obcaseinsensitive || (pflags & PATH_NOPOSIX)
-		  ? OBJ_CASE_INSENSITIVE : 0;
-
-  /* TODO: Temporarily do all char->UNICODE conversion here.  This should
-     already be slightly faster than using Ascii functions. */
-  tmp_pathbuf tp;
-  UNICODE_STRING upath;
-  OBJECT_ATTRIBUTES attr;
-  tp.u_get (&upath);
-  InitializeObjectAttributes (&attr, &upath, ci_flag, NULL, NULL);
-
-  PVOID eabuf = &nfs_aol_ffei;
-  ULONG easize = sizeof nfs_aol_ffei;
-
-  while (suffix.next ())
-    {
-      FILE_BASIC_INFORMATION fbi;
-      NTSTATUS status;
-      IO_STATUS_BLOCK io;
-      bool no_ea = false;
-
-      error = 0;
-      get_nt_native_path (suffix.path, upath);
-      if (h)
-	{
-	  NtClose (h);
-	  h = NULL;
-	}
-      /* The EA given to NtCreateFile allows to get a handle to a symlink on
-	 an NFS share, rather than getting a handle to the target of the
-	 symlink (which would spoil the task of this method quite a bit).
-	 Fortunately it's ignored on most other file systems so we don't have
-	 to special case NFS too much. */
-      status = NtCreateFile (&h,
-			     READ_CONTROL | FILE_READ_ATTRIBUTES | FILE_READ_EA,
-			     &attr, &io, NULL, 0, FILE_SHARE_VALID_FLAGS,
-			     FILE_OPEN,
-			     FILE_OPEN_REPARSE_POINT
-			     | FILE_OPEN_FOR_BACKUP_INTENT,
-			     eabuf, easize);
-      /* No right to access EAs or EAs not supported? */
-      if (status == STATUS_ACCESS_DENIED || status == STATUS_EAS_NOT_SUPPORTED)
-	{
-	  no_ea = true;
-	  /* If EAs are not supported, there's no sense to check them again
-	     whith suffixes attached.  So we set eabuf/easize to 0 here once. */
-	  if (status == STATUS_EAS_NOT_SUPPORTED)
-	    {
-	      eabuf = NULL;
-	      easize = 0;
-	    }
-	  status = NtOpenFile (&h, READ_CONTROL | FILE_READ_ATTRIBUTES,
-			       &attr, &io, FILE_SHARE_VALID_FLAGS,
-			       FILE_OPEN_REPARSE_POINT
-			       | FILE_OPEN_FOR_BACKUP_INTENT);
-	}
-      if (NT_SUCCESS (status)
-	  && NT_SUCCESS (status
-			 = NtQueryInformationFile (h, &io, &fbi, sizeof fbi,
-						   FileBasicInformation)))
-	fileattr = fbi.FileAttributes;
-      else
-	{
-	  debug_printf ("%p = NtQueryInformationFile (%S)", status, &upath);
-	  h = NULL;
-	  fileattr = INVALID_FILE_ATTRIBUTES;
-
-	  /* One of the inner path components is invalid, or the path contains
-	     invalid characters.  Bail out with ENOENT.
-
-	     Note that additional STATUS_OBJECT_PATH_INVALID and
-	     STATUS_OBJECT_PATH_SYNTAX_BAD status codes exist.  The first one
-	     is seemingly not generated by NtQueryAttributesFile, the latter
-	     is only generated if the path is no absolute path within the
-	     NT name space, which should not happen and would point to an
-	     error in get_nt_native_path.  Both status codes are deliberately
-	     not tested here unless proved necessary. */
-	  if (status == STATUS_OBJECT_PATH_NOT_FOUND
-	      || status == STATUS_OBJECT_NAME_INVALID)
-	    {
-	      set_error (ENOENT);
-	      goto file_not_symlink;
-	    }
-	  if (status != STATUS_OBJECT_NAME_NOT_FOUND
-	      && status != STATUS_NO_SUCH_FILE) /* ENOENT on NFS or 9x share */
-	    {
-	      /* The file exists, but the user can't access it for one reason
-		 or the other.  To get the file attributes we try to access the
-		 information by opening the parent directory and getting the
-		 file attributes using a matching NtQueryDirectoryFile call. */
-	      UNICODE_STRING dirname, basename;
-	      OBJECT_ATTRIBUTES dattr;
-	      HANDLE dir;
-	      struct {
-		FILE_DIRECTORY_INFORMATION fdi;
-		WCHAR dummy_buf[NAME_MAX + 1];
-	      } fdi_buf;
-
-	      RtlSplitUnicodePath (&upath, &dirname, &basename);
-	      InitializeObjectAttributes (&dattr, &dirname, ci_flag,
-					  NULL, NULL);
-	      status = NtOpenFile (&dir, SYNCHRONIZE | FILE_LIST_DIRECTORY,
-				   &dattr, &io, FILE_SHARE_VALID_FLAGS,
-				   FILE_SYNCHRONOUS_IO_NONALERT
-				   | FILE_OPEN_FOR_BACKUP_INTENT
-				   | FILE_DIRECTORY_FILE);
-	      if (!NT_SUCCESS (status))
-		{
-		  debug_printf ("%p = NtOpenFile(%S)", status, &dirname);
-		  fileattr = 0;
-		}
-	      else
-		{
-		  status = NtQueryDirectoryFile (dir, NULL, NULL, NULL, &io,
-						 &fdi_buf, sizeof fdi_buf,
-						 FileDirectoryInformation,
-						 TRUE, &basename, TRUE);
-		  NtClose (dir);
-		  if (!NT_SUCCESS (status))
-		    {
-		      debug_printf ("%p = NtQueryDirectoryFile(%S)",
-				    status, &dirname);
-		      if (status == STATUS_NO_SUCH_FILE)
-			{
-			  /* This can happen when trying to access files
-			     which match DOS device names on SMB shares.
-			     NtOpenFile failed with STATUS_ACCESS_DENIED,
-			     but the NtQueryDirectoryFile tells us the
-			     file doesn't exist.  We're suspicious in this
-			     case and retry with the next suffix instead of
-			     just giving up. */
-			  set_error (ENOENT);
-			  continue;
-			}
-		      fileattr = 0;
-		    }
-		  else
-		    fileattr = fdi_buf.fdi.FileAttributes;
-		}
-	      ext_tacked_on = !!*ext_here;
-	      goto file_not_symlink;
-	    }
-	  set_error (ENOENT);
-	  continue;
-	}
-
-      /* Check file system while we're having the file open anyway.
-	 This speeds up path_conv noticably (~10%). */
-      fs.update (&upath, h);
-
-      ext_tacked_on = !!*ext_here;
-
-      res = -1;
-
-      /* Windows shortcuts are potentially treated as symlinks.  Valid Cygwin
-	 & U/WIN shortcuts are R/O, but definitely not directories. */
-      if ((fileattr & (FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_DIRECTORY))
-	  == FILE_ATTRIBUTE_READONLY && suffix.lnk_match ())
-	{
-	  res = check_shortcut (h);
-	  if (!res)
-	    {
-	      /* If searching for `foo' and then finding a `foo.lnk' which is
-		 no shortcut, return the same as if file not found. */
-	      if (ext_tacked_on)
-		{
-		  fileattr = INVALID_FILE_ATTRIBUTES;
-		  set_error (ENOENT);
-		  continue;
-		}
-	    }
-	  else if (contents[0] != ':' || contents[1] != '\\'
-		   || !parse_device (contents))
-	    break;
-	}
-
-      /* If searching for `foo' and then finding a `foo.lnk' which is
-	 no shortcut, return the same as if file not found. */
-      else if (suffix.lnk_match () && ext_tacked_on)
-        {
-	  fileattr = INVALID_FILE_ATTRIBUTES;
-	  set_error (ENOENT);
-	  continue;
-	}
-
-      /* Reparse points are potentially symlinks.  This check must be
-	 performed before checking the SYSTEM attribute for sysfile
-	 symlinks, since reparse points can have this flag set, too.
-	 For instance, Vista starts to create a couple of reparse points
-	 with SYSTEM and HIDDEN flags set. */
-      else if (fileattr & FILE_ATTRIBUTE_REPARSE_POINT)
-	{
-	  res = check_reparse_point (h);
-	  if (res)
-	    break;
-	}
-
-      /* This is the old Cygwin method creating symlinks.  A symlink will
-	 have the `system' file attribute.  Only files can be symlinks
-	 (which can be symlinks to directories). */
-      else if ((fileattr & (FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_DIRECTORY))
-	       == FILE_ATTRIBUTE_SYSTEM)
-	{
-	  res = check_sysfile (h);
-	  if (res)
-	    break;
-	}
-
-      /* If the file could be opened with FILE_READ_EA, and if it's on a
-	 NFS share, check if it's a symlink.  Only files can be symlinks
-	 (which can be symlinks to directories). */
-      else if (fs.is_nfs () && !no_ea && !(fileattr & FILE_ATTRIBUTE_DIRECTORY))
-	{
-	  res = check_nfs_symlink (h);
-	  if (res)
-	    break;
-	}
-
-    /* Normal file. */
-    file_not_symlink:
-      issymlink = false;
-      syscall_printf ("%s", isdevice ? "is a device" : "not a symlink");
-      res = 0;
-      break;
-    }
-
-  if (h)
-    NtClose (h);
-
-  syscall_printf ("%d = symlink.check (%s, %p) (%p)",
-		  res, suffix.path, contents, pflags);
-  return res;
-}
-
-/* "path" is the path in a virtual symlink.  Set a symlink_info struct from
-   that and proceed with further path checking afterwards. */
-int
-symlink_info::set (char *path)
-{
-  strcpy (contents, path);
-  pflags = PATH_SYMLINK;
-  fileattr = FILE_ATTRIBUTE_NORMAL;
-  error = 0;
-  issymlink = true;
-  isdevice = false;
-  ext_tacked_on = false;
-  ext_here = NULL;
-  extn = major = minor = mode = 0;
-  return strlen (path);
-}
-
-/* readlink system call */
-
-extern "C" ssize_t
-readlink (const char *path, char *buf, size_t buflen)
-{
-  if (buflen < 0)
-    {
-      set_errno (ENAMETOOLONG);
-      return -1;
-    }
-
-  path_conv pathbuf (path, PC_SYM_CONTENTS, stat_suffixes);
-
-  if (pathbuf.error)
-    {
-      set_errno (pathbuf.error);
-      syscall_printf ("-1 = readlink (%s, %p, %d)", path, buf, buflen);
-      return -1;
-    }
-
-  if (!pathbuf.exists ())
-    {
-      set_errno (ENOENT);
-      return -1;
-    }
-
-  if (!pathbuf.issymlink ())
-    {
-      if (pathbuf.exists ())
-	set_errno (EINVAL);
-      return -1;
-    }
-
-  ssize_t len = min (buflen, strlen (pathbuf.get_win32 ()));
-  memcpy (buf, pathbuf.get_win32 (), len);
-
-  /* errno set by symlink.check if error */
-  return len;
-}
-
-/* Some programs rely on st_dev/st_ino being unique for each file.
-   Hash the path name and hope for the best.  The hash arg is not
-   always initialized to zero since readdir needs to compute the
-   dirent ino_t based on a combination of the hash of the directory
-   done during the opendir call and the hash or the filename within
-   the directory.  FIXME: Not bullet-proof. */
-/* Cygwin internal */
-__ino64_t __stdcall
-hash_path_name (__ino64_t hash, PUNICODE_STRING name)
-{
-  if (name->Length == 0)
-    return hash;
-
-  /* Build up hash. Name is already normalized */
-  USHORT len = name->Length / sizeof (WCHAR);
-  for (USHORT idx = 0; idx < len; ++idx)
-    hash = RtlUpcaseUnicodeChar (name->Buffer[idx])
-	   + (hash << 6) + (hash << 16) - hash;
-  return hash;
-}
-
-__ino64_t __stdcall
-hash_path_name (__ino64_t hash, PCWSTR name)
-{
-  UNICODE_STRING uname;
-  RtlInitUnicodeString (&uname, name);
-  return hash_path_name (hash, &uname);
-}
-
-__ino64_t __stdcall
-hash_path_name (__ino64_t hash, const char *name)
-{
-  UNICODE_STRING uname;
-  RtlCreateUnicodeStringFromAsciiz (&uname, name);
-  __ino64_t ret = hash_path_name (hash, &uname);
-  RtlFreeUnicodeString (&uname);
-  return ret;
-}
-
-extern "C" char *
-getcwd (char *buf, size_t ulen)
-{
-  char* res = NULL;
-  myfault efault;
-  if (efault.faulted (EFAULT))
-      /* errno set */;
-  else if (ulen == 0 && buf)
-    set_errno (EINVAL);
-  else
-    res = cygheap->cwd.get (buf, 1, 1, ulen);
-  return res;
-}
-
-/* getwd: Legacy. */
-extern "C" char *
-getwd (char *buf)
-{
-  return getcwd (buf, PATH_MAX + 1);  /*Per SuSv3!*/
-}
-
-/* chdir: POSIX 5.2.1.1 */
-extern "C" int
-chdir (const char *in_dir)
-{
-  myfault efault;
-  if (efault.faulted (EFAULT))
-    return -1;
-  if (!*in_dir)
-    {
-      set_errno (ENOENT);
-      return -1;
-    }
-
-  syscall_printf ("dir '%s'", in_dir);
-
-  /* Convert path.  First argument ensures that we don't check for NULL/empty/invalid
-     again. */
-  path_conv path (PC_NONULLEMPTY, in_dir, PC_SYM_FOLLOW | PC_POSIX);
-  if (path.error)
-    {
-      set_errno (path.error);
-      syscall_printf ("-1 = chdir (%s)", in_dir);
-      return -1;
-    }
-
-  int res = -1;
-  bool doit = false;
-  const char *posix_cwd = NULL;
-  int devn = path.get_devn ();
-  if (!isvirtual_dev (devn))
-    {
-      /* The sequence chdir("xx"); chdir(".."); must be a noop if xx
-	 is not a symlink. This is exploited by find.exe.
-	 The posix_cwd is just path.normalized_path.
-	 In other cases we let cwd.set obtain the Posix path through
-	 the mount table. */
-      if (!isdrive(path.normalized_path))
-	posix_cwd = path.normalized_path;
-      res = 0;
-      doit = true;
-    }
-  else if (!path.exists ())
-    set_errno (ENOENT);
-  else if (!path.isdir ())
-    set_errno (ENOTDIR);
-  else
-   {
-     posix_cwd = path.normalized_path;
-     res = 0;
-   }
-
-  if (!res)
-    res = cygheap->cwd.set (path.get_nt_native_path (), posix_cwd, doit);
-
-  /* Note that we're accessing cwd.posix without a lock here.  I didn't think
-     it was worth locking just for strace. */
-  syscall_printf ("%d = chdir() cygheap->cwd.posix '%s' native '%S'", res,
-		  cygheap->cwd.posix, path.get_nt_native_path ());
-  MALLOC_CHECK;
-  return res;
-}
-
-extern "C" int
-fchdir (int fd)
-{
-  int res;
-  cygheap_fdget cfd (fd);
-  if (cfd >= 0)
-    res = chdir (cfd->get_name ());
-  else
-    res = -1;
-
-  syscall_printf ("%d = fchdir (%d)", res, fd);
-  return res;
-}
-
-/******************** Exported Path Routines *********************/
-
-/* Cover functions to the path conversion routines.
-   These are exported to the world as cygwin_foo by cygwin.din.  */
-
-#define return_with_errno(x) \
-  do {\
-    int err = (x);\
-    if (!err)\
-     return 0;\
-    set_errno (err);\
-    return -1;\
-  } while (0)
-
-extern "C" ssize_t
-cygwin_conv_path (cygwin_conv_path_t what, const void *from, void *to,
-		  size_t size)
-{
-  tmp_pathbuf tp;
-  myfault efault;
-  if (efault.faulted (EFAULT))
-    return -1;
-
-  path_conv p;
-  size_t lsiz = 0;
-  char *buf = NULL;
-  int error = 0;
-  bool relative = !!(what & CCP_RELATIVE);
-  what &= ~CCP_RELATIVE;
-
-  switch (what)
-    {
-    case CCP_POSIX_TO_WIN_A:
-      {
-	p.check ((const char *) from,
-		 PC_POSIX | PC_SYM_FOLLOW | PC_NO_ACCESS_CHECK | PC_NOWARN
-		 | (relative ? PC_NOFULL : 0));
-	if (p.error)
-	  return_with_errno (p.error);
-	PUNICODE_STRING up = p.get_nt_native_path ();
-	buf = tp.c_get ();
-	sys_wcstombs (buf, NT_MAX_PATH, up->Buffer, up->Length / sizeof (WCHAR));
-	/* Convert native path to standard DOS path. */
-	if (!strncmp (buf, "\\??\\", 4))
-	  {
-	    buf += 4;
-	    if (buf[1] != ':') /* native UNC path */
-	      *(buf += 2) = '\\';
-	  }
-	lsiz = strlen (buf) + 1;
-      }
-      break;
-    case CCP_POSIX_TO_WIN_W:
-      p.check ((const char *) from,
-	       PC_POSIX | PC_SYM_FOLLOW | PC_NO_ACCESS_CHECK | PC_NOWARN
-	       | (relative ? PC_NOFULL : 0));
-      if (p.error)
-	return_with_errno (p.error);
-      lsiz = (p.get_wide_win32_path_len () + 1) * sizeof (WCHAR);
-      break;
-    case CCP_WIN_A_TO_POSIX:
-      buf = tp.c_get ();
-      error = mount_table->conv_to_posix_path ((const char *) from, buf,
-					       relative);
-      if (error)
-	return_with_errno (error);
-      lsiz = strlen (buf) + 1;
-      break;
-    case CCP_WIN_W_TO_POSIX:
-      buf = tp.c_get ();
-      error = mount_table->conv_to_posix_path ((const PWCHAR) from, buf,
-					       relative);
-      if (error)
-	return_with_errno (error);
-      lsiz = strlen (buf) + 1;
-      break;
-    default:
-      set_errno (EINVAL);
-      return -1;
-    }
-  if (!size)
-    return lsiz;
-  if (size < lsiz)
-    {
-      set_errno (ENOSPC);
-      return -1;
-    }
-  switch (what)
-    {
-    case CCP_POSIX_TO_WIN_A:
-    case CCP_WIN_A_TO_POSIX:
-    case CCP_WIN_W_TO_POSIX:
-      strcpy ((char *) to, buf);
-      break;
-    case CCP_POSIX_TO_WIN_W:
-      p.get_wide_win32_path ((PWCHAR) to);
-      break;
-    }
-  return 0;
-}
-
-extern "C" void *
-cygwin_create_path (cygwin_conv_path_t what, const void *from)
-{
-  void *to;
-  ssize_t size = cygwin_conv_path (what, from, NULL, 0);
-  if (size <= 0)
-    return NULL;
-  if (!(to = malloc (size)))
-    return NULL;
-  if (cygwin_conv_path (what, from, to, size) == -1)
-    return NULL;
-  return to;
-}
-
-
-extern "C" int
-cygwin_conv_to_win32_path (const char *path, char *win32_path)
-{
-  return cygwin_conv_path (CCP_POSIX_TO_WIN_A | CCP_RELATIVE, path, win32_path,
-			   MAX_PATH);
-}
-
-extern "C" int
-cygwin_conv_to_full_win32_path (const char *path, char *win32_path)
-{
-  return cygwin_conv_path (CCP_POSIX_TO_WIN_A | CCP_ABSOLUTE, path, win32_path,
-			   MAX_PATH);
-}
-
-/* This is exported to the world as cygwin_foo by cygwin.din.  */
-
-extern "C" int
-cygwin_conv_to_posix_path (const char *path, char *posix_path)
-{
-  return cygwin_conv_path (CCP_WIN_A_TO_POSIX | CCP_RELATIVE, path, posix_path,
-			   MAX_PATH);
-}
-
-extern "C" int
-cygwin_conv_to_full_posix_path (const char *path, char *posix_path)
-{
-  return cygwin_conv_path (CCP_WIN_A_TO_POSIX | CCP_ABSOLUTE, path, posix_path,
-			   MAX_PATH);
-}
-
-/* The realpath function is supported on some UNIX systems.  */
-
-extern "C" char *
-realpath (const char *path, char *resolved)
-{
-  /* Make sure the right errno is returned if path is NULL. */
-  if (!path)
-    {
-      set_errno (EINVAL);
-      return NULL;
-    }
-
-  /* Guard reading from a potentially invalid path and writing to a
-     potentially invalid resolved. */
-  tmp_pathbuf tp;
-  myfault efault;
-  if (efault.faulted (EFAULT))
-    return NULL;
-
-  char *tpath;
-  if (isdrive (path))
-    {
-      tpath = tp.c_get ();
-      mount_table->cygdrive_posix_path (path, tpath, 0);
-    }
-  else
-    tpath = (char *) path;
-
-  path_conv real_path (tpath, PC_SYM_FOLLOW | PC_POSIX, stat_suffixes);
-
-
-  /* Linux has this funny non-standard extension.  If "resolved" is NULL,
-     realpath mallocs the space by itself and returns it to the application.
-     The application is responsible for calling free() then.  This extension
-     is backed by POSIX, which allows implementation-defined behaviour if
-     "resolved" is NULL.  That's good enough for us to do the same here. */
-
-  if (!real_path.error && real_path.exists ())
-    {
-      if (!resolved)
-	{
-	  resolved = (char *) malloc (strlen (real_path.normalized_path) + 1);
-	  if (!resolved)
-	    return NULL;
-	}
-      strcpy (resolved, real_path.normalized_path);
-      return resolved;
-    }
-
-  /* FIXME: on error, we are supposed to put the name of the path
-     component which could not be resolved into RESOLVED.  */
-  if (resolved)
-    resolved[0] = '\0';
-  set_errno (real_path.error ?: ENOENT);
-  return NULL;
-}
-
-/* Return non-zero if path is a POSIX path list.
-   This is exported to the world as cygwin_foo by cygwin.din.
-
-DOCTOOL-START
-<sect1 id="add-func-cygwin-posix-path-list-p">
-  <para>Rather than use a mode to say what the "proper" path list
-  format is, we allow any, and give apps the tools they need to
-  convert between the two.  If a ';' is present in the path list it's
-  a Win32 path list.  Otherwise, if the first path begins with
-  [letter]: (in which case it can be the only element since if it
-  wasn't a ';' would be present) it's a Win32 path list.  Otherwise,
-  it's a POSIX path list.</para>
-</sect1>
-DOCTOOL-END
-  */
-
-extern "C" int
-cygwin_posix_path_list_p (const char *path)
-{
-  int posix_p = !(strchr (path, ';') || isdrive (path));
-  return posix_p;
-}
-
-/* These are used for apps that need to convert env vars like PATH back and
-   forth.  The conversion is a two step process.  First, an upper bound on the
-   size of the buffer needed is computed.  Then the conversion is done.  This
-   allows the caller to use alloca if it wants.  */
-
-static int
-conv_path_list_buf_size (const char *path_list, bool to_posix)
-{
-  int i, num_elms, max_mount_path_len, size;
-  const char *p;
-
-  path_conv pc(".", PC_POSIX);
-  /* The theory is that an upper bound is
-     current_size + (num_elms * max_mount_path_len)  */
-  /* FIXME: This method is questionable in the long run. */
-
-  unsigned nrel;
-  char delim = to_posix ? ';' : ':';
-  for (p = path_list, num_elms = nrel = 0; p; num_elms++)
-    {
-      if (!isabspath (p))
-	nrel++;
-      p = strchr (++p, delim);
-    }
-
-  /* 7: strlen ("//c") + slop, a conservative initial value */
-  for (max_mount_path_len = sizeof ("/cygdrive/X"), i = 0;
-       i < mount_table->nmounts; i++)
-    {
-      int mount_len = (to_posix
-		       ? mount_table->mount[i].posix_pathlen
-		       : mount_table->mount[i].native_pathlen);
-      if (max_mount_path_len < mount_len)
-	max_mount_path_len = mount_len;
-    }
-
-  /* 100: slop */
-  size = strlen (path_list)
-    + (num_elms * max_mount_path_len)
-    + (nrel * strlen (to_posix ? pc.normalized_path : pc.get_win32 ()))
-    + 100;
-
-  return size;
-}
-
-
-extern "C" int
-cygwin_win32_to_posix_path_list_buf_size (const char *path_list)
-{
-  return conv_path_list_buf_size (path_list, true);
-}
-
-extern "C" int
-cygwin_posix_to_win32_path_list_buf_size (const char *path_list)
-{
-  return conv_path_list_buf_size (path_list, false);
-}
-
-extern "C" ssize_t
-env_PATH_to_posix (const void *win32, void *posix, size_t size)
-{
-  return_with_errno (conv_path_list ((const char *) win32, (char *) posix,
-				     size, ENV_CVT));
-}
-
-extern "C" int
-cygwin_win32_to_posix_path_list (const char *win32, char *posix)
-{
-  return_with_errno (conv_path_list (win32, posix, MAX_PATH, 1));
-}
-
-extern "C" int
-cygwin_posix_to_win32_path_list (const char *posix, char *win32)
-{
-  return_with_errno (conv_path_list (posix, win32, MAX_PATH, 0));
-}
-
-extern "C" ssize_t
-cygwin_conv_path_list (cygwin_conv_path_t what, const void *from, void *to,
-		       size_t size)
-{
-  /* FIXME: Path lists are (so far) always retaining relative paths. */
-  what &= ~CCP_RELATIVE;
-  switch (what)
-    {
-    case CCP_WIN_W_TO_POSIX:
-    case CCP_POSIX_TO_WIN_W:
-      /*FIXME*/
-      api_fatal ("wide char path lists not yet supported");
-      break;
-    case CCP_WIN_A_TO_POSIX:
-    case CCP_POSIX_TO_WIN_A:
-      if (size == 0)
-	return conv_path_list_buf_size ((const char *) from,
-					what == CCP_WIN_A_TO_POSIX);
-      return_with_errno (conv_path_list ((const char *) from, (char *) to,
-					 size, what == CCP_WIN_A_TO_POSIX));
-      break;
-    default:
-      break;
-    }
-  set_errno (EINVAL);
-  return -1;
-}
-
-/* cygwin_split_path: Split a path into directory and file name parts.
-   Buffers DIR and FILE are assumed to be big enough.
-
-   Examples (path -> `dir' / `file'):
-   / -> `/' / `'
-   "" -> `.' / `'
-   . -> `.' / `.' (FIXME: should this be `.' / `'?)
-   .. -> `.' / `..' (FIXME: should this be `..' / `'?)
-   foo -> `.' / `foo'
-   foo/bar -> `foo' / `bar'
-   foo/bar/ -> `foo' / `bar'
-   /foo -> `/' / `foo'
-   /foo/bar -> `/foo' / `bar'
-   c: -> `c:/' / `'
-   c:/ -> `c:/' / `'
-   c:foo -> `c:/' / `foo'
-   c:/foo -> `c:/' / `foo'
- */
-
-extern "C" void
-cygwin_split_path (const char *path, char *dir, char *file)
-{
-  int dir_started_p = 0;
-
-  /* Deal with drives.
-     Remember that c:foo <==> c:/foo.  */
-  if (isdrive (path))
-    {
-      *dir++ = *path++;
-      *dir++ = *path++;
-      *dir++ = '/';
-      if (!*path)
-	{
-	  *dir = 0;
-	  *file = 0;
-	  return;
-	}
-      if (isdirsep (*path))
-	++path;
-      dir_started_p = 1;
-    }
-
-  /* Determine if there are trailing slashes and "delete" them if present.
-     We pretend as if they don't exist.  */
-  const char *end = path + strlen (path);
-  /* path + 1: keep leading slash.  */
-  while (end > path + 1 && isdirsep (end[-1]))
-    --end;
-
-  /* At this point, END points to one beyond the last character
-     (with trailing slashes "deleted").  */
-
-  /* Point LAST_SLASH at the last slash (duh...).  */
-  const char *last_slash;
-  for (last_slash = end - 1; last_slash >= path; --last_slash)
-    if (isdirsep (*last_slash))
-      break;
-
-  if (last_slash == path)
-    {
-      *dir++ = '/';
-      *dir = 0;
-    }
-  else if (last_slash > path)
-    {
-      memcpy (dir, path, last_slash - path);
-      dir[last_slash - path] = 0;
-    }
-  else
-    {
-      if (dir_started_p)
-	; /* nothing to do */
-      else
-	*dir++ = '.';
-      *dir = 0;
-    }
-
-  memcpy (file, last_slash + 1, end - last_slash - 1);
-  file[end - last_slash - 1] = 0;
-}
-
-/*****************************************************************************/
-
-static inline PRTL_USER_PROCESS_PARAMETERS
-get_user_proc_parms ()
-{
-  return NtCurrentTeb ()->Peb->ProcessParameters;
-}
-
-/* Initialize cygcwd 'muto' for serializing access to cwd info. */
-void
-cwdstuff::init ()
-{
-  cwd_lock.init ("cwd_lock");
-  /* Initially re-open the cwd to allow POSIX semantics. */
-  set (NULL, NULL, true);
-}
-
-/* Chdir and fill out the elements of a cwdstuff struct. */
-int
-cwdstuff::set (PUNICODE_STRING nat_cwd, const char *posix_cwd, bool doit)
-{
-  int res = 0;
-  UNICODE_STRING upath;
-  size_t len = 0;
-
-  cwd_lock.acquire ();
-
-  if (nat_cwd)
-    {
-      upath = *nat_cwd;
-      if (upath.Buffer[0] == L'/') /* Virtual path.  Never use in PEB. */
-	doit = false;
-      else
-	{
-	  len = upath.Length / sizeof (WCHAR) - 4;
-	  if (RtlEqualUnicodePathPrefix (&upath, L"\\??\\UNC\\", TRUE))
-	    len -= 2;
-	}
-    }
-
-  if (doit)
-    {
-      /* We utilize the user parameter block.  The directory is
-	 stored manually there.  Why the hassle?
-
-	 - SetCurrentDirectory fails for directories with strict
-	   permissions even for processes with the SE_BACKUP_NAME
-	   privilege enabled.  The reason is apparently that
-	   SetCurrentDirectory calls NtOpenFile without the
-	   FILE_OPEN_FOR_BACKUP_INTENT flag set.
-
-	 - Unlinking a cwd fails because SetCurrentDirectory seems to
-	   open directories so that deleting the directory is disallowed.
-	   The below code opens with *all* sharing flags set. */
-      HANDLE h;
-      NTSTATUS status;
-      IO_STATUS_BLOCK io;
-      OBJECT_ATTRIBUTES attr;
-      PHANDLE phdl;
-
-      RtlAcquirePebLock ();
-      phdl = &get_user_proc_parms ()->CurrentDirectoryHandle;
-      if (!nat_cwd) /* On init, just reopen CWD with desired access flags. */
-	RtlInitUnicodeString (&upath, L"");
-      /* This is for Win32 apps only.  No case sensitivity here... */
-      InitializeObjectAttributes (&attr, &upath,
-				  OBJ_CASE_INSENSITIVE | OBJ_INHERIT,
-				  nat_cwd ? NULL : *phdl, NULL);
-      status = NtOpenFile (&h, SYNCHRONIZE | FILE_TRAVERSE, &attr, &io,
-			   FILE_SHARE_VALID_FLAGS,
-			   FILE_DIRECTORY_FILE
-			   | FILE_SYNCHRONOUS_IO_NONALERT
-			   | FILE_OPEN_FOR_BACKUP_INTENT);
-      if (!NT_SUCCESS (status))
-	{
-	  RtlReleasePebLock ();
-	  __seterrno_from_nt_status (status);
-	  res = -1;
-	  goto out;
-	}
-      /* Workaround a problem in Vista/Longhorn which fails in subsequent
-	 calls to CreateFile with ERROR_INVALID_HANDLE if the handle in
-	 CurrentDirectoryHandle changes without calling SetCurrentDirectory,
-	 and the filename given to CreateFile is a relative path.  It looks
-	 like Vista stores a copy of the CWD handle in some other undocumented
-	 place.  The NtClose/DuplicateHandle reuses the original handle for
-	 the copy of the new handle and the next CreateFile works.
-	 Note that this is not thread-safe (yet?) */
-      NtClose (*phdl);
-      if (DuplicateHandle (GetCurrentProcess (), h, GetCurrentProcess (), phdl,
-			   0, TRUE, DUPLICATE_SAME_ACCESS))
-	NtClose (h);
-      else
-	*phdl = h;
-      dir = *phdl;
-
-      /* No need to set path on init. */
-      if (nat_cwd
-	  /* TODO:
-	     Check the length of the new CWD.  Windows can only handle
-	     CWDs of up to MAX_PATH length, including a trailing backslash.
-	     If the path is longer, it's not an error condition for Cygwin,
-	     so we don't fail.  Windows on the other hand has a problem now.
-	     For now, we just don't store the path in the PEB and proceed as
-	     usual. */
-	  && len <= MAX_PATH - (nat_cwd->Buffer[len - 1] == L'\\' ? 1 : 2))
-	{
-	  /* Convert to a Win32 path. */
-	  upath.Buffer += upath.Length / sizeof (WCHAR) - len;
-	  if (upath.Buffer[1] == L'\\') /* UNC path */
-	    upath.Buffer[0] = L'\\';
-	  upath.Length = len * sizeof (WCHAR);
-	  /* Append backslash if necessary. */
-	  if (upath.Buffer[len - 1] != L'\\')
-	    {
-	      upath.Buffer[len] = L'\\';
-	      upath.Length += sizeof (WCHAR);
-	    }
-	  RtlCopyUnicodeString (&get_user_proc_parms ()->CurrentDirectoryName,
-				&upath);
-	}
-
-      RtlReleasePebLock ();
-    }
-
-  if (nat_cwd || !win32.Buffer)
-    {
-      /* If there is no win32 path */
-      if (!nat_cwd)
-	{
-	  PUNICODE_STRING pdir;
-
-	  RtlAcquirePebLock ();
-	  pdir = &get_user_proc_parms ()->CurrentDirectoryName;
-	  RtlInitEmptyUnicodeString (&win32,
-				     (PWCHAR) crealloc_abort (win32.Buffer,
-							      pdir->Length + 2),
-				     pdir->Length + 2);
-	  RtlCopyUnicodeString (&win32, pdir);
-	  RtlReleasePebLock ();
-	  /* Remove trailing slash. */
-	  if (win32.Length > 3 * sizeof (WCHAR))
-	    win32.Length -= sizeof (WCHAR);
-	  posix_cwd = NULL;
-	}
-      else
-	{
-	  if (upath.Buffer[0] == L'/') /* Virtual path, don't mangle. */
-	    ;
-	  else if (!doit)
-	    {
-	      /* Convert to a Win32 path. */
-	      upath.Buffer += upath.Length / sizeof (WCHAR) - len;
-	      if (upath.Buffer[1] == L'\\') /* UNC path */
-		upath.Buffer[0] = L'\\';
-	      upath.Length = len * sizeof (WCHAR);
-	    }
-	  else if (upath.Length > 3 * sizeof (WCHAR))
-	    upath.Length -= sizeof (WCHAR); /* Strip trailing backslash */
-	  RtlInitEmptyUnicodeString (&win32,
-				     (PWCHAR) crealloc_abort (win32.Buffer,
-							      upath.Length + 2),
-				     upath.Length + 2);
-	  RtlCopyUnicodeString (&win32, &upath);
-	}
-      /* Make sure it's NUL-termniated. */
-      win32.Buffer[win32.Length / sizeof (WCHAR)] = L'\0';
-      if (!doit)			 /* Virtual path */
-	drive_length = 0;
-      else if (win32.Buffer[1] == L':')	 /* X: */
-	drive_length = 2;
-      else if (win32.Buffer[1] == L'\\') /* UNC path */
-	{
-	  PWCHAR ptr = wcschr (win32.Buffer + 2, L'\\');
-	  if (ptr)
-	    ptr = wcschr (ptr + 1, L'\\');
-	  if (ptr)
-	    drive_length = ptr - win32.Buffer;
-	  else
-	    drive_length = win32.Length / sizeof (WCHAR);
-	}
-      else				 /* Shouldn't happen */
-	drive_length = 0;
-
-      tmp_pathbuf tp;
-      if (!posix_cwd)
-	{
-	  posix_cwd = (const char *) tp.c_get ();
-	  mount_table->conv_to_posix_path (win32.Buffer, (char *) posix_cwd, 0);
-	}
-      posix = (char *) crealloc_abort (posix, strlen (posix_cwd) + 1);
-      stpcpy (posix, posix_cwd);
-    }
-
-out:
-  cwd_lock.release ();
-  return res;
-}
-
-/* Copy the value for either the posix or the win32 cwd into a buffer. */
-char *
-cwdstuff::get (char *buf, int need_posix, int with_chroot, unsigned ulen)
-{
-  MALLOC_CHECK;
-
-  tmp_pathbuf tp;
-  if (ulen)
-    /* nothing */;
-  else if (buf == NULL)
-    ulen = (unsigned) -1;
-  else
-    {
-      set_errno (EINVAL);
-      goto out;
-    }
-
-  cwd_lock.acquire ();
-
-  char *tocopy;
-  if (!need_posix)
-    {
-      tocopy = tp.c_get ();
-      sys_wcstombs (tocopy, NT_MAX_PATH, win32.Buffer,
-		    win32.Length / sizeof (WCHAR));
-    }
-  else
-    tocopy = posix;
-
-  debug_printf ("posix %s", posix);
-  if (strlen (tocopy) >= ulen)
-    {
-      set_errno (ERANGE);
-      buf = NULL;
-    }
-  else
-    {
-      if (!buf)
-	buf = (char *) malloc (strlen (tocopy) + 1);
-      strcpy (buf, tocopy);
-      if (!buf[0])	/* Should only happen when chroot */
-	strcpy (buf, "/");
-    }
-
-  cwd_lock.release ();
-
-out:
-  syscall_printf ("(%s) = cwdstuff::get (%p, %d, %d, %d), errno %d",
-		  buf, buf, ulen, need_posix, with_chroot, errno);
-  MALLOC_CHECK;
-  return buf;
-}
-
-int etc::curr_ix = 0;
-/* Note that the first elements of the below arrays are unused */
-bool etc::change_possible[MAX_ETC_FILES + 1];
-OBJECT_ATTRIBUTES etc::fn[MAX_ETC_FILES + 1];
-LARGE_INTEGER etc::last_modified[MAX_ETC_FILES + 1];
-
-int
-etc::init (int n, POBJECT_ATTRIBUTES attr)
-{
-  if (n > 0)
-    /* ok */;
-  else if (++curr_ix <= MAX_ETC_FILES)
-    n = curr_ix;
-  else
-    api_fatal ("internal error");
-
-  fn[n] = *attr;
-  change_possible[n] = false;
-  test_file_change (n);
-  paranoid_printf ("fn[%d] %S, curr_ix %d", n, fn[n].ObjectName, curr_ix);
-  return n;
-}
-
-bool
-etc::test_file_change (int n)
-{
-  NTSTATUS status;
-  FILE_NETWORK_OPEN_INFORMATION fnoi;
-  bool res;
-
-  status = NtQueryFullAttributesFile (&fn[n], &fnoi);
-  if (!NT_SUCCESS (status))
-    {
-      res = true;
-      memset (last_modified + n, 0, sizeof (last_modified[n]));
-      debug_printf ("NtQueryFullAttributesFile (%S) failed, %p",
-		    fn[n].ObjectName, status);
-    }
-  else
-    {
-      res = CompareFileTime ((FILETIME *) &fnoi.LastWriteTime,
-			     (FILETIME *) last_modified + n) > 0;
-      last_modified[n].QuadPart = fnoi.LastWriteTime.QuadPart;
-    }
-
-  paranoid_printf ("fn[%d] %S res %d", n, fn[n].ObjectName, res);
-  return res;
-}
-
-bool
-etc::dir_changed (int n)
-{
-  if (!change_possible[n])
-    {
-      static HANDLE changed_h NO_COPY;
-      NTSTATUS status;
-      IO_STATUS_BLOCK io;
-
-      if (!changed_h)
-	{
-	  OBJECT_ATTRIBUTES attr;
-
-	  path_conv dir ("/etc");
-	  status = NtOpenFile (&changed_h, SYNCHRONIZE | FILE_LIST_DIRECTORY,
-			       dir.get_object_attr (attr, sec_none_nih), &io,
-			       FILE_SHARE_VALID_FLAGS, FILE_DIRECTORY_FILE);
-	  if (!NT_SUCCESS (status))
-	    {
-#ifdef DEBUGGING
-	      system_printf ("NtOpenFile (%S) failed, %p",
-			     dir.get_nt_native_path (), status);
-#endif
-	      changed_h = INVALID_HANDLE_VALUE;
-	    }
-	  else
-	    {
-	      status = NtNotifyChangeDirectoryFile (changed_h, NULL, NULL,
-						NULL, &io, NULL, 0,
-						FILE_NOTIFY_CHANGE_LAST_WRITE
-						| FILE_NOTIFY_CHANGE_FILE_NAME,
-						FALSE);
-	      if (!NT_SUCCESS (status))
-		{
-#ifdef DEBUGGING
-		  system_printf ("NtNotifyChangeDirectoryFile (1) failed, %p",
-				 status);
-#endif
-		  NtClose (changed_h);
-		  changed_h = INVALID_HANDLE_VALUE;
-		}
-	    }
-	  memset (change_possible, true, sizeof (change_possible));
-	}
-
-      if (changed_h == INVALID_HANDLE_VALUE)
-	change_possible[n] = true;
-      else if (WaitForSingleObject (changed_h, 0) == WAIT_OBJECT_0)
-	{
-	  status = NtNotifyChangeDirectoryFile (changed_h, NULL, NULL,
-						NULL, &io, NULL, 0,
-						FILE_NOTIFY_CHANGE_LAST_WRITE
-						| FILE_NOTIFY_CHANGE_FILE_NAME,
-						FALSE);
-	  if (!NT_SUCCESS (status))
-	    {
-#ifdef DEBUGGING
-	      system_printf ("NtNotifyChangeDirectoryFile (2) failed, %p",
-			     status);
-#endif
-	      NtClose (changed_h);
-	      changed_h = INVALID_HANDLE_VALUE;
-	    }
-	  memset (change_possible, true, sizeof change_possible);
-	}
-    }
-
-  paranoid_printf ("fn[%d] %S change_possible %d",
-		   n, fn[n].ObjectName, change_possible[n]);
-  return change_possible[n];
-}
-
-bool
-etc::file_changed (int n)
-{
-  bool res = false;
-  if (dir_changed (n) && test_file_change (n))
-    res = true;
-  change_possible[n] = false;	/* Change is no longer possible */
-  paranoid_printf ("fn[%d] %S res %d", n, fn[n].ObjectName, res);
-  return res;
-}
-
-/* No need to be reentrant or thread-safe according to SUSv3.
-   / and \\ are treated equally.  Leading drive specifiers are
-   kept intact as far as it makes sense.  Everything else is
-   POSIX compatible. */
-extern "C" char *
-basename (char *path)
-{
-  static char buf[4];
-  char *c, *d, *bs = path;
-
-  if (!path || !*path)
-    return strcpy (buf, ".");
-  if (isalpha (path[0]) && path[1] == ':')
-    bs += 2;
-  else if (strspn (path, "/\\") > 1)
-    ++bs;
-  c = strrchr (bs, '/');
-  if ((d = strrchr (c ?: bs, '\\')) > c)
-    c = d;
-  if (c)
-    {
-      /* Trailing (back)slashes are eliminated. */
-      while (c && c > bs && c[1] == '\0')
-	{
-	  *c = '\0';
-	  c = strrchr (bs, '/');
-	  if ((d = strrchr (c ?: bs, '\\')) > c)
-	    c = d;
-	}
-      if (c && (c > bs || c[1]))
-	return c + 1;
-    }
-  else if (!bs[0])
-    {
-      stpncpy (buf, path, bs - path);
-      stpcpy (buf + (bs - path), ".");
-      return buf;
-    }
-  return path;
-}
-
-/* No need to be reentrant or thread-safe according to SUSv3.
-   / and \\ are treated equally.  Leading drive specifiers and
-   leading double (back)slashes are kept intact as far as it
-   makes sense.  Everything else is POSIX compatible. */
-extern "C" char *
-dirname (char *path)
-{
-  static char buf[4];
-  char *c, *d, *bs = path;
-
-  if (!path || !*path)
-    return strcpy (buf, ".");
-  if (isalpha (path[0]) && path[1] == ':')
-    bs += 2;
-  else if (strspn (path, "/\\") > 1)
-    ++bs;
-  c = strrchr (bs, '/');
-  if ((d = strrchr (c ?: bs, '\\')) > c)
-    c = d;
-  if (c)
-    {
-      /* Trailing (back)slashes are eliminated. */
-      while (c && c > bs && c[1] == '\0')
-	{
-	  *c = '\0';
-	  c = strrchr (bs, '/');
-	  if ((d = strrchr (c ?: bs, '\\')) > c)
-	    c = d;
-	}
-      if (!c)
-	strcpy (bs, ".");
-      else if (c > bs)
-	{
-	  /* More trailing (back)slashes are eliminated. */
-	  while (c > bs && (*c == '/' || *c == '\\'))
-	    *c-- = '\0';
-	}
-      else
-	c[1] = '\0';
-    }
-  else
-    {
-      stpncpy (buf, path, bs - path);
-      stpcpy (buf + (bs - path), ".");
-      return buf;
-    }
-  return path;
-}