* fhandler.cc(fhandler_base::open): Open with READ_CONTROL only in

	case of query_open flag set to query_read_control.  Add case for
	new query_read_attributes flag.
	(fhandler_base::fstatvfs): New method.
	* fhandler.h (enum query_state): Add query_read_attributes flag.
	(class fhandler_base): Declare new virtual fstatvfs method.
	(class fhandler_socket): Ditto.
	(class fhandler_pipe): Ditto.
	(class fhandler_fifo): Ditto.
	(class fhandler_disk_file): Ditto.
	(class fhandler_virtual): Ditto.
	* fhandler_disk_file.cc (fhandler_base::fstat_fs): Open with
	query_read_attributes instead of query_read_control.
	(fhandler_disk_file::fstatvfs): New method.
	(fhandler_disk_file::facl): Open with query_read_attributes instead of
	query_read_control.
	* fhandler_fifo.cc (fhandler_fifo::fstatvfs): New method.
	* fhandler_socket.cc (fhandler_socket::fstatvfs): New method.
	(fhandler_socket::fchmod): Return with EBADF in the default case.
	(fhandler_socket::fchown): Ditto.
	(fhandler_socket::facl): Ditto.
	* fhandler_virtual.cc (fhandler_virtual::fstatvfs): Ditto.
	* ntdll.h (struct _FILE_FS_ATTRIBUTE_INFORMATION): Define.
	(struct _FILE_FS_FULL_SIZE_INFORMATION): Define.
	* pipe.cc (fhandler_pipe::fstatvfs): New method.
	* syscalls.cc (fstatvfs): Just call the fhandler's fstatvfs.
	(statvfs): Ditto.
	(fstatfs): Call fstatvfs.
	(statfs): Drop EFAULT handling.

10 files changed, 287 insertions, 104 deletions

diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 54af60a48..1dc89f726 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,35 @@
+2007-02-27  Corinna Vinschen  <corinna@vinschen.de>
+
+	* fhandler.cc(fhandler_base::open): Open with READ_CONTROL only in
+	case of query_open flag set to query_read_control.  Add case for
+	new query_read_attributes flag.
+	(fhandler_base::fstatvfs): New method.
+	* fhandler.h (enum query_state): Add query_read_attributes flag.
+	(class fhandler_base): Declare new virtual fstatvfs method.
+	(class fhandler_socket): Ditto.
+	(class fhandler_pipe): Ditto.
+	(class fhandler_fifo): Ditto.
+	(class fhandler_disk_file): Ditto.
+	(class fhandler_virtual): Ditto.
+	* fhandler_disk_file.cc (fhandler_base::fstat_fs): Open with
+	query_read_attributes instead of query_read_control.
+	(fhandler_disk_file::fstatvfs): New method.
+	(fhandler_disk_file::facl): Open with query_read_attributes instead of
+	query_read_control.
+	* fhandler_fifo.cc (fhandler_fifo::fstatvfs): New method.
+	* fhandler_socket.cc (fhandler_socket::fstatvfs): New method.
+	(fhandler_socket::fchmod): Return with EBADF in the default case.
+	(fhandler_socket::fchown): Ditto.
+	(fhandler_socket::facl): Ditto.
+	* fhandler_virtual.cc (fhandler_virtual::fstatvfs): Ditto.
+	* ntdll.h (struct _FILE_FS_ATTRIBUTE_INFORMATION): Define.
+	(struct _FILE_FS_FULL_SIZE_INFORMATION): Define.
+	* pipe.cc (fhandler_pipe::fstatvfs): New method.
+	* syscalls.cc (fstatvfs): Just call the fhandler's fstatvfs.
+	(statvfs): Ditto.
+	(fstatfs): Call fstatvfs.
+	(statfs): Drop EFAULT handling.
+
 2007-02-26  Corinna Vinschen  <corinna@vinschen.de>
 
 	* fhandler.cc (fhandler_base::fstat): Set all file times to arbitrary
diff --git a/winsup/cygwin/fhandler.cc b/winsup/cygwin/fhandler.cc
index 864a4e66e..f92e844c0 100644
--- a/winsup/cygwin/fhandler.cc
+++ b/winsup/cygwin/fhandler.cc
@@ -15,6 +15,7 @@ details. */
 #include <sys/cygwin.h>
 #include <sys/uio.h>
 #include <sys/acl.h>
+#include <sys/statvfs.h>
 #include <signal.h>
 #include "cygerrno.h"
 #include "perprocess.h"
@@ -486,6 +487,10 @@ fhandler_base::open (int flags, mode_t mode)
   switch (query_open ())
     {
       case query_read_control:
+	access = READ_CONTROL;
+	create_options = FILE_OPEN_FOR_BACKUP_INTENT;
+	break;
+      case query_read_attributes:
 	access = READ_CONTROL | FILE_READ_ATTRIBUTES;
 	create_options = FILE_OPEN_FOR_BACKUP_INTENT;
 	break;
@@ -1144,6 +1149,16 @@ fhandler_base::fstat (struct __stat64 *buf)
   return 0;
 }
 
+int __stdcall
+fhandler_base::fstatvfs (struct statvfs *sfs)
+{
+  /* If we hit this base implementation, it's some device in /dev.
+     Just call statvfs on /dev for simplicity. */
+  path_conv pc ("/dev");
+  fhandler_disk_file fh (pc);
+  return fh.fstatvfs (sfs);
+}
+
 void
 fhandler_base::init (HANDLE f, DWORD a, mode_t bin)
 {
diff --git a/winsup/cygwin/fhandler.h b/winsup/cygwin/fhandler.h
index 112ac6ecd..34b6680c3 100644
--- a/winsup/cygwin/fhandler.h
+++ b/winsup/cygwin/fhandler.h
@@ -82,9 +82,10 @@ enum bg_check_types
 enum query_state {
   no_query = 0,
   query_read_control = 1,
-  query_stat_control = 2,
-  query_write_control = 3,
-  query_write_attributes = 4
+  query_read_attributes = 2,
+  query_stat_control = 3,
+  query_write_control = 4,
+  query_write_attributes = 5
 };
 
 class fhandler_base
@@ -276,6 +277,7 @@ class fhandler_base
     __attribute__ ((regparm (3)));
   int __stdcall fstat_by_handle (struct __stat64 *buf) __attribute__ ((regparm (2)));
   int __stdcall fstat_by_name (struct __stat64 *buf) __attribute__ ((regparm (2)));
+  virtual int __stdcall fstatvfs (struct statvfs *buf) __attribute__ ((regparm (2)));
   int utimes_fs (const struct timeval *) __attribute__ ((regparm (2)));
   virtual int __stdcall fchmod (mode_t mode) __attribute__ ((regparm (1)));
   virtual int __stdcall fchown (__uid32_t uid, __gid32_t gid) __attribute__ ((regparm (2)));
@@ -506,6 +508,7 @@ class fhandler_socket: public fhandler_base
   char *get_sun_path () {return sun_path;}
 
   int __stdcall fstat (struct __stat64 *buf) __attribute__ ((regparm (2)));
+  int __stdcall fstatvfs (struct statvfs *buf) __attribute__ ((regparm (2)));
   int __stdcall fchmod (mode_t mode) __attribute__ ((regparm (1)));
   int __stdcall fchown (__uid32_t uid, __gid32_t gid) __attribute__ ((regparm (2)));
   int __stdcall facl (int, int, __acl32 *) __attribute__ ((regparm (3)));
@@ -540,6 +543,7 @@ public:
   }
   int dup (fhandler_base *child);
   int ioctl (unsigned int cmd, void *);
+  int __stdcall fstatvfs (struct statvfs *buf) __attribute__ ((regparm (2)));
   int __stdcall fadvise (_off64_t, _off64_t, int) __attribute__ ((regparm (3)));
   int __stdcall ftruncate (_off64_t, bool) __attribute__ ((regparm (3)));
   void fixup_in_child ();
@@ -572,6 +576,7 @@ public:
   void set_output_handle (HANDLE h) { output_handle = h; }
   void set_use ();
   int dup (fhandler_base *child);
+  int __stdcall fstatvfs (struct statvfs *buf) __attribute__ ((regparm (2)));
   bool is_slow () {return true;}
   void close_one_end ();
 };
@@ -692,6 +697,7 @@ class fhandler_disk_file: public fhandler_base
   int __stdcall ftruncate (_off64_t, bool) __attribute__ ((regparm (3)));
   int __stdcall link (const char *) __attribute__ ((regparm (2)));
   int __stdcall utimes (const struct timeval *) __attribute__ ((regparm (2)));
+  int __stdcall fstatvfs (struct statvfs *buf) __attribute__ ((regparm (2)));
 
   HANDLE mmap (caddr_t *addr, size_t len, int prot, int flags, _off64_t off);
   int munmap (HANDLE h, caddr_t addr, size_t len);
@@ -1228,6 +1234,7 @@ class fhandler_virtual : public fhandler_base
   int open (int flags, mode_t mode = 0);
   int close ();
   int __stdcall fstat (struct stat *buf) __attribute__ ((regparm (2)));
+  int __stdcall fstatvfs (struct statvfs *buf) __attribute__ ((regparm (2)));
   int __stdcall fchmod (mode_t mode) __attribute__ ((regparm (1)));
   int __stdcall fchown (__uid32_t uid, __gid32_t gid) __attribute__ ((regparm (2)));
   int __stdcall facl (int, int, __acl32 *) __attribute__ ((regparm (3)));
diff --git a/winsup/cygwin/fhandler_disk_file.cc b/winsup/cygwin/fhandler_disk_file.cc
index f5dfe33aa..3e2e059f9 100644
--- a/winsup/cygwin/fhandler_disk_file.cc
+++ b/winsup/cygwin/fhandler_disk_file.cc
@@ -14,6 +14,7 @@ details. */
 #include <stdlib.h>
 #include <sys/cygwin.h>
 #include <sys/acl.h>
+#include <sys/statvfs.h>
 #include <signal.h>
 #include "cygerrno.h"
 #include "perprocess.h"
@@ -340,7 +341,7 @@ fhandler_base::fstat_fs (struct __stat64 *buf)
       /* If we couldn't open the file, try a query open with no permissions.
 	 This allows us to determine *some* things about the file, at least. */
       pc.set_exec (0);
-      query_open (query_read_control);
+      query_open (query_read_attributes);
       oret = open_fs (open_flags, 0);
     }
 
@@ -531,6 +532,111 @@ fhandler_disk_file::fstat (struct __stat64 *buf)
 }
 
 int __stdcall
+fhandler_disk_file::fstatvfs (struct statvfs *sfs)
+{
+  int ret = -1, oret = 0;
+  NTSTATUS status;
+  IO_STATUS_BLOCK io;
+  const size_t fvi_size = sizeof (FILE_FS_VOLUME_INFORMATION)
+			  + 256 * sizeof (WCHAR);
+  PFILE_FS_VOLUME_INFORMATION pfvi = (PFILE_FS_VOLUME_INFORMATION)
+				     alloca (fvi_size);
+  const size_t fai_size = sizeof (FILE_FS_ATTRIBUTE_INFORMATION)
+			  + 256 * sizeof (WCHAR);
+  PFILE_FS_ATTRIBUTE_INFORMATION pfai = (PFILE_FS_ATTRIBUTE_INFORMATION)
+					alloca (fai_size);
+  FILE_FS_FULL_SIZE_INFORMATION full_fsi;
+  FILE_FS_SIZE_INFORMATION fsi;
+
+  if (!get_io_handle ())
+    {
+      query_open (query_read_control);
+      oret = open_fs (O_RDONLY | O_BINARY, 0);
+      if (!oret)
+        {
+          /* Can't open file.  Try again with rootdir. */
+	  char root[CYG_MAX_PATH];
+	  if (!rootdir (get_win32_name (), root))
+	    goto out;
+	  pc.check (root, PC_SYM_NOFOLLOW);
+	  oret = open_fs (O_RDONLY | O_BINARY, 0);
+	  if (!oret)
+	    goto out;
+	}
+    }
+
+  /* Get basic volume information. */
+  status = NtQueryVolumeInformationFile (get_handle (), &io, pfvi, fvi_size,
+					 FileFsVolumeInformation);
+  if (!NT_SUCCESS (status))
+    {
+      __seterrno_from_nt_status (status);
+      goto out;
+    }
+  status = NtQueryVolumeInformationFile (get_handle (), &io, pfai, fai_size,
+					 FileFsAttributeInformation);
+  if (!NT_SUCCESS (status))
+    {
+      __seterrno_from_nt_status (status);
+      goto out;
+    }
+  sfs->f_files = ULONG_MAX;
+  sfs->f_ffree = ULONG_MAX;
+  sfs->f_favail = ULONG_MAX;
+  sfs->f_fsid = pfvi->VolumeSerialNumber;
+  sfs->f_flag = pfai->FileSystemAttributes;
+  sfs->f_namemax = pfai->MaximumComponentNameLength;
+  /* Get allocation related information.  Try to get "full" information
+     first, which is only available since W2K.  If that fails, try to
+     retrieve normal allocation information. */
+  status = NtQueryVolumeInformationFile (get_handle (), &io, &full_fsi,
+  					 sizeof full_fsi,
+					 FileFsFullSizeInformation);
+  if (NT_SUCCESS (status))
+    {
+      sfs->f_bsize = full_fsi.BytesPerSector * full_fsi.SectorsPerAllocationUnit;
+      sfs->f_frsize = sfs->f_bsize;
+      sfs->f_blocks = full_fsi.TotalAllocationUnits.LowPart;
+      sfs->f_bfree = full_fsi.ActualAvailableAllocationUnits.LowPart;
+      sfs->f_bavail = full_fsi.CallerAvailableAllocationUnits.LowPart;
+      if (sfs->f_bfree > sfs->f_bavail)
+        {
+	  /* Quotas active.  We can't trust TotalAllocationUnits. */
+	  NTFS_VOLUME_DATA_BUFFER nvdb;
+	  DWORD bytes;
+
+	  if (!DeviceIoControl (get_handle (), FSCTL_GET_NTFS_VOLUME_DATA, NULL,
+				0, &nvdb, sizeof nvdb, &bytes, NULL))
+	    debug_printf ("DeviceIoControl (%s) failed, %E", get_name ());
+	  else
+	    sfs->f_blocks = nvdb.TotalClusters.QuadPart;
+	}
+      ret = 0;
+    }
+  else
+    {
+      status = NtQueryVolumeInformationFile (get_handle (), &io, &fsi,
+					     sizeof fsi, FileFsSizeInformation);
+      if (!NT_SUCCESS (status))
+	{
+	  __seterrno_from_nt_status (status);
+	  goto out;
+	}
+      sfs->f_bsize = fsi.BytesPerSector * fsi.SectorsPerAllocationUnit;
+      sfs->f_frsize = sfs->f_bsize;
+      sfs->f_blocks = fsi.TotalAllocationUnits.LowPart;
+      sfs->f_bfree = fsi.AvailableAllocationUnits.LowPart;
+      sfs->f_bavail = sfs->f_bfree;
+      ret = 0;
+    }
+out:
+  if (oret)
+    close_fs ();
+  syscall_printf ("%d = fstatvfs (%s, %p)", ret, get_name (), sfs);
+  return ret;
+}
+
+int __stdcall
 fhandler_disk_file::fchmod (mode_t mode)
 {
   extern int chmod_device (path_conv& pc, mode_t mode);
@@ -653,7 +759,7 @@ fhandler_disk_file::facl (int cmd, int nentries, __aclent32_t *aclbufp)
 	      {
 		if (!get_io_handle ())
 		  {
-		    query_open (query_read_control);
+		    query_open (query_read_attributes);
 		    if (!(oret = open (O_BINARY, 0)))
 		      return -1;
 		  }
@@ -687,7 +793,7 @@ fhandler_disk_file::facl (int cmd, int nentries, __aclent32_t *aclbufp)
     {
       if (!get_io_handle ())
 	{
-	  query_open (cmd == SETACL ? query_write_control : query_read_control);
+	  query_open (cmd == SETACL ? query_write_control : query_read_attributes);
 	  if (!(oret = open (O_BINARY, 0)))
 	    return -1;
 	}
diff --git a/winsup/cygwin/fhandler_fifo.cc b/winsup/cygwin/fhandler_fifo.cc
index 8f5e793f7..9143be741 100644
--- a/winsup/cygwin/fhandler_fifo.cc
+++ b/winsup/cygwin/fhandler_fifo.cc
@@ -1,6 +1,6 @@
 /* fhandler_fifo.cc - See fhandler.h for a description of the fhandler classes.
 
-   Copyright 2002, 2003, 2004, 2005, 2006 Red Hat, Inc.
+   Copyright 2002, 2003, 2004, 2005, 2006, 2007 Red Hat, Inc.
 
    This file is part of Cygwin.
 
@@ -12,6 +12,7 @@
 #include <errno.h>
 #include <unistd.h>
 #include <stdlib.h>
+#include <sys/statvfs.h>
 
 #include "cygerrno.h"
 #include "perprocess.h"
@@ -238,3 +239,18 @@ fhandler_fifo::dup (fhandler_base *child)
     }
   return res;
 }
+
+int __stdcall
+fhandler_fifo::fstatvfs (struct statvfs *sfs)
+{
+  /* Call statvfs on parent dir. */
+  char *c, dir[CYG_MAX_PATH];
+  strcpy (dir, get_name ());
+  if ((c = strrchr (dir, '/')))
+    {
+      *c = '\0';
+      return statvfs (dir, sfs);
+    }
+  set_errno (EBADF);
+  return -1;
+}
diff --git a/winsup/cygwin/fhandler_socket.cc b/winsup/cygwin/fhandler_socket.cc
index d2ae0cca1..d5384fe46 100644
--- a/winsup/cygwin/fhandler_socket.cc
+++ b/winsup/cygwin/fhandler_socket.cc
@@ -36,6 +36,7 @@
 #include "wininfo.h"
 #include <unistd.h>
 #include <sys/acl.h>
+#include <sys/statvfs.h>
 #include "cygtls.h"
 #include "cygwin/in6.h"
 
@@ -666,6 +667,19 @@ fhandler_socket::fstat (struct __stat64 *buf)
   return res;
 }
 
+int __stdcall
+fhandler_socket::fstatvfs (struct statvfs *sfs)
+{
+  if (get_device () == FH_UNIX)
+    {
+      fhandler_disk_file fh (pc);
+      fh.get_device () = FH_FS;
+      return fh.fstatvfs (sfs);
+    }
+  set_errno (EBADF);
+  return -1;
+}
+
 int
 fhandler_socket::fchmod (mode_t mode)
 {
@@ -677,7 +691,8 @@ fhandler_socket::fchmod (mode_t mode)
       SetFileAttributes	(pc, GetFileAttributes (pc) | FILE_ATTRIBUTE_SYSTEM);
       return ret;
     }
-  return 0;
+  set_errno (EBADF);
+  return -1;
 }
 
 int
@@ -688,7 +703,8 @@ fhandler_socket::fchown (__uid32_t uid, __gid32_t gid)
       fhandler_disk_file fh (pc);
       return fh.fchown (uid, gid);
     }
-  return 0;
+  set_errno (EBADF);
+  return -1;
 }
 
 int
@@ -699,7 +715,8 @@ fhandler_socket::facl (int cmd, int nentries, __aclent32_t *aclbufp)
       fhandler_disk_file fh (pc);
       return fh.facl (cmd, nentries, aclbufp);
     }
-  return fhandler_base::facl (cmd, nentries, aclbufp);
+  set_errno (EBADF);
+  return -1;
 }
 
 int
diff --git a/winsup/cygwin/fhandler_virtual.cc b/winsup/cygwin/fhandler_virtual.cc
index 98620f4cc..13f8e1fd4 100644
--- a/winsup/cygwin/fhandler_virtual.cc
+++ b/winsup/cygwin/fhandler_virtual.cc
@@ -1,6 +1,6 @@
 /* fhandler_virtual.cc: base fhandler class for virtual filesystems
 
-   Copyright 2002, 2003, 2004, 2005 Red Hat, Inc.
+   Copyright 2002, 2003, 2004, 2005, 2007 Red Hat, Inc.
 
 This file is part of Cygwin.
 
@@ -13,6 +13,7 @@ details. */
 #include <stdlib.h>
 #include <sys/cygwin.h>
 #include <sys/acl.h>
+#include <sys/statvfs.h>
 #include "cygerrno.h"
 #include "security.h"
 #include "path.h"
@@ -261,3 +262,14 @@ fhandler_virtual::facl (int cmd, int nentries, __aclent32_t *aclbufp)
     }
   return res;
 }
+
+int __stdcall
+fhandler_virtual::fstatvfs (struct statvfs *sfs)
+{
+  /* Virtual file system.  Just return an empty buffer with a few values
+     set to something useful.  Just as on Linux. */
+  memset (sfs, 0, sizeof (*sfs));
+  sfs->f_bsize = sfs->f_frsize = 4096;
+  sfs->f_namemax = NAME_MAX;
+  return 0;
+}
diff --git a/winsup/cygwin/ntdll.h b/winsup/cygwin/ntdll.h
index fc56ce00c..4fc5da599 100644
--- a/winsup/cygwin/ntdll.h
+++ b/winsup/cygwin/ntdll.h
@@ -590,6 +590,14 @@ typedef struct _FILE_COMPRESSION_INFORMATION
   UCHAR ClusterSizeShift;
 } FILE_COMPRESSION_INFORMATION, *PFILE_COMPRESSION_INFORMATION;
 
+typedef struct _FILE_FS_ATTRIBUTE_INFORMATION
+{
+  ULONG FileSystemAttributes;
+  ULONG MaximumComponentNameLength;
+  ULONG FileSystemNameLength;
+  WCHAR FileSystemName[1];
+} FILE_FS_ATTRIBUTE_INFORMATION, *PFILE_FS_ATTRIBUTE_INFORMATION;
+
 typedef struct _FILE_FS_VOLUME_INFORMATION
 {
   LARGE_INTEGER VolumeCreationTime;
@@ -607,6 +615,15 @@ typedef struct _FILE_FS_SIZE_INFORMATION
   ULONG BytesPerSector;
 } FILE_FS_SIZE_INFORMATION, *PFILE_FS_SIZE_INFORMATION;
 
+typedef struct _FILE_FS_FULL_SIZE_INFORMATION
+{
+  LARGE_INTEGER TotalAllocationUnits;
+  LARGE_INTEGER CallerAvailableAllocationUnits;
+  LARGE_INTEGER ActualAvailableAllocationUnits;
+  ULONG SectorsPerAllocationUnit;
+  ULONG BytesPerSector;
+} FILE_FS_FULL_SIZE_INFORMATION, *PFILE_FS_FULL_SIZE_INFORMATION;
+
 typedef enum _FSINFOCLASS {
   FileFsVolumeInformation = 1,
   FileFsLabelInformation,
diff --git a/winsup/cygwin/pipe.cc b/winsup/cygwin/pipe.cc
index b53cc2f7f..59fb4c4d9 100644
--- a/winsup/cygwin/pipe.cc
+++ b/winsup/cygwin/pipe.cc
@@ -451,6 +451,13 @@ fhandler_pipe::ioctl (unsigned int cmd, void *p)
   return 0;
 }
 
+int __stdcall
+fhandler_pipe::fstatvfs (struct statvfs *sfs)
+{
+  set_errno (EBADF);
+  return -1;
+}
+
 #define DEFAULT_PIPEBUFSIZE (16 * PIPE_BUF)
 
 extern "C" int
diff --git a/winsup/cygwin/syscalls.cc b/winsup/cygwin/syscalls.cc
index 8e151ff55..976e66099 100644
--- a/winsup/cygwin/syscalls.cc
+++ b/winsup/cygwin/syscalls.cc
@@ -1841,111 +1841,74 @@ get_osfhandle (int fd)
 }
 
 extern "C" int
-statvfs (const char *fname, struct statvfs *sfs)
+fstatvfs (int fd, struct statvfs *sfs)
 {
-  int ret = -1;
-  char root[CYG_MAX_PATH];
-
   myfault efault;
   if (efault.faulted (EFAULT))
     return -1;
-  if (!*fname)
-    {
-      set_errno (ENOENT);
-      return -1;
-    }
 
-  syscall_printf ("statfs %s", fname);
+  cygheap_fdget cfd (fd);
+  if (cfd < 0)
+    return -1;
+  return cfd->fstatvfs (sfs);
+}
 
-  if (!sfs)
-    {
-      set_errno (EFAULT);
-      return -1;
-    }
+extern "C" int
+statvfs (const char *name, struct statvfs *sfs)
+{
+  int res = -1;
+  fhandler_base *fh = NULL;
 
-  path_conv full_path (fname, PC_SYM_FOLLOW);
-  if (!full_path.rootdir (root))
-    {
-      set_errno (ENOTDIR);
-      return -1;
-    }
+  myfault efault;
+  if (efault.faulted (EFAULT))
+    goto error;
 
-  ULARGE_INTEGER availb, freeb, totalb;
-  DWORD spc, bps, availc, freec, totalc, vsn, maxlen, flags;
-  BOOL status, statusex;
+  if (!(fh = build_fh_name (name, NULL, PC_SYM_FOLLOW, stat_suffixes)))
+    goto error;
 
-  /* GetDiskFreeSpaceEx must be called before GetDiskFreeSpace on
-     WinME, to avoid the MS KB 314417 bug */
-  statusex = GetDiskFreeSpaceEx (root, &availb, &totalb, &freeb);
-  status = GetDiskFreeSpace (root, &spc, &bps, &freec, &totalc);
-  if (status)
+  if (fh->error ())
     {
-      if (statusex)
-	{
-	  availc = availb.QuadPart / (spc*bps);
-	  totalc = totalb.QuadPart / (spc*bps);
-	  freec = freeb.QuadPart / (spc*bps);
-	  if (freec > availc)
-	    {
-	      /* Quotas active.  We can't trust totalc. */
-	      HANDLE hdl = CreateFile (full_path, READ_CONTROL,
-				       FILE_SHARE_VALID_FLAGS, &sec_none_nih,
-				       OPEN_EXISTING,
-				       FILE_FLAG_BACKUP_SEMANTICS, NULL);
-	      if (hdl == INVALID_HANDLE_VALUE)
-		debug_printf ("CreateFile (%s) failed, %E", (char *) full_path);
-	      else
-		{
-		  NTFS_VOLUME_DATA_BUFFER nvdb;
-		  DWORD bytes;
-		  if (!DeviceIoControl (hdl, FSCTL_GET_NTFS_VOLUME_DATA, NULL,
-					0, &nvdb, sizeof nvdb, &bytes, NULL))
-		    debug_printf ("DeviceIoControl (%s) failed, %E", (char *) full_path);
-		  else
-		    totalc = nvdb.TotalClusters.QuadPart;
-		  CloseHandle (hdl);
-		}
-	    }
-	}
-      else
-	availc = freec;
-      if (GetVolumeInformation (root, NULL, 0, &vsn, &maxlen, &flags, NULL, 0))
-	{
-	  sfs->f_bsize = spc*bps;
-	  sfs->f_frsize = spc*bps;
-	  sfs->f_blocks = totalc;
-	  sfs->f_bfree = freec;
-	  sfs->f_bavail = availc;
-	  sfs->f_files = ULONG_MAX;
-	  sfs->f_ffree = ULONG_MAX;
-	  sfs->f_favail = ULONG_MAX;
-	  sfs->f_fsid = vsn;
-	  sfs->f_flag = flags;
-	  sfs->f_namemax = maxlen;
-	  ret = 0;
-	}
+      debug_printf ("got %d error from build_fh_name", fh->error ());
+      set_errno (fh->error ());
     }
-  if (ret)
-    __seterrno ();
+  else if (fh->exists ())
+    {
+      debug_printf ("(%s, %p), file_attributes %d", name, sfs, (DWORD) *fh);
+      res = fh->fstatvfs (sfs);
+    }
+  else
+    set_errno (ENOENT);
 
-  return ret;
+  delete fh;
+ error:
+  MALLOC_CHECK;
+  syscall_printf ("%d = (%s, %p)", res, name, sfs);
+  return res;
 }
 
 extern "C" int
-fstatvfs (int fd, struct statvfs *sfs)
+fstatfs (int fd, struct statfs *sfs)
 {
-  cygheap_fdget cfd (fd);
-  if (cfd < 0)
-    return -1;
-  return statvfs (cfd->get_name (), sfs);
+  struct statvfs vfs;
+  int ret = fstatvfs (fd, &vfs);
+  if (!ret)
+    {
+      sfs->f_type = vfs.f_flag;
+      sfs->f_bsize = vfs.f_bsize;
+      sfs->f_blocks = vfs.f_blocks;
+      sfs->f_bavail = vfs.f_bavail;
+      sfs->f_bfree = vfs.f_bfree;
+      sfs->f_files = -1;
+      sfs->f_ffree = -1;
+      sfs->f_fsid = vfs.f_fsid;
+      sfs->f_namelen = vfs.f_namemax;
+    }
+  return ret;
 }
 
 extern "C" int
 statfs (const char *fname, struct statfs *sfs)
 {
-  myfault efault;
-  if (efault.faulted (EFAULT))
-    return -1;
   struct statvfs vfs;
   int ret = statvfs (fname, &vfs);
   if (!ret)
@@ -1963,15 +1926,6 @@ statfs (const char *fname, struct statfs *sfs)
   return ret;
 }
 
-extern "C" int
-fstatfs (int fd, struct statfs *sfs)
-{
-  cygheap_fdget cfd (fd);
-  if (cfd < 0)
-    return -1;
-  return statfs (cfd->get_name (), sfs);
-}
-
 /* setpgid: POSIX 4.3.3.1 */
 extern "C" int
 setpgid (pid_t pid, pid_t pgid)