libc/winsup/cygwin/nfs.cc
Corinna Vinschen 1da77c2678 * fhandler_disk_file.cc (fhandler_base::fstat_by_nfs_ea): Simplify.
Just call nfs_fetch_fattr3 if called via fstat.
	* nfs.cc (nfs_fetch_fattr3): New function to fetch NFS fattr3 info from
	file handle.
	* nfs.h (nfs_fetch_fattr3): Declare.
	* path.cc (symlink_info::check): Simplify NFS case.  Just call
	nfs_fetch_fattr3.
2010-10-02 19:03:44 +00:00

48 lines
1.3 KiB
C++

/* nfs.cc
Copyright 2008, 2010 Red Hat, Inc.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#include "winsup.h"
#include "sys/fcntl.h"
#include "nfs.h"
#include "ntdll.h"
struct nfs_aol_ffei_t nfs_aol_ffei = { 0, 0, sizeof (NFS_ACT_ON_LINK) - 1, 0,
NFS_ACT_ON_LINK };
uint32_t nfs_type_mapping[] = { 0, S_IFREG, S_IFDIR, S_IFBLK,
S_IFCHR, S_IFLNK, S_IFSOCK, S_IFIFO };
NTSTATUS
nfs_fetch_fattr3 (HANDLE h, fattr3 *fattr_buf)
{
struct {
FILE_FULL_EA_INFORMATION ffei;
char buf[sizeof (NFS_V3_ATTR) + sizeof (fattr3)];
} ffei_buf;
struct {
FILE_GET_EA_INFORMATION fgei;
char buf[sizeof (NFS_V3_ATTR)];
} fgei_buf;
NTSTATUS status;
IO_STATUS_BLOCK io;
fgei_buf.fgei.NextEntryOffset = 0;
fgei_buf.fgei.EaNameLength = sizeof (NFS_V3_ATTR) - 1;
stpcpy (fgei_buf.fgei.EaName, NFS_V3_ATTR);
status = NtQueryEaFile (h, &io, &ffei_buf.ffei, sizeof ffei_buf, TRUE,
&fgei_buf.fgei, sizeof fgei_buf, NULL, TRUE);
if (NT_SUCCESS (status))
{
fattr3 *nfs_attr = (fattr3 *) (ffei_buf.ffei.EaName
+ ffei_buf.ffei.EaNameLength + 1);
if (fattr_buf)
memcpy (fattr_buf, nfs_attr, sizeof (fattr3));
}
return status;
}