* 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.

1 files changed, 13 insertions, 1 deletions

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;
+}