newlib-cygwin/winsup/cygwin/nfs.cc

46 lines
1.2 KiB
C++

/* nfs.cc
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;
}