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/*
Copyright (C) 1995 Free Software Foundation, Inc.
Written by Michael I. Bushnell, p/BSG.
This file is part of the GNU Hurd.
The GNU Hurd is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2, or (at
your option) any later version.
The GNU Hurd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. */
/* Count how many four-byte chunks it takss to hold LEN bytes. */
#define INTSIZE(len) (((len)+3)>>2)
/* Each of these functions copies its second arg to *P, converting it
to XDR representation along the way. They then return the address after
the copied value. */
inline int *
xdr_encode_fhandle (int *p, void *fhandle)
{
bcopy (fhandle, p, NFSV2_FHSIZE);
return p + INTSIZE (NFSV2_FHSIZE);
}
inline void *
xdr_encode_data (void *p, char *data, size_t len)
{
int nints = INTLEN (len);
p[nints] = 0;
*p++ = htonl (len);
bcopy (string, p, len);
return p + nints;
}
inline void *
xdr_encode_string (void *p, char *string)
{
return xdr_encode_data (p, string, strlen (string));
}
/* The SATTR calls are different; they each only fill in one
or two attributes; the rest get -1. */
inline int *
xdr_encode_sattr_mode (int *p, u_int mode)
{
*p++ = htonl (sattr->mode);
*p++ = -1; /* uid */
*p++ = -1; /* gid */
*p++ = -1; /* size */
*p++ = -1; /* atime secs */
*p++ = -1; /* atime usecs */
*p++ = -1; /* mtime secs */
*p++ = -1; /* mtime usecs */
return p;
}
inline int *
xdr_encode_sattr_ids (int *p, u_int uid, u_int gid)
{
*p++ = -1; /* mode */
*p++ = htonl (uid);
*p++ = htonl (gid);
*p++ = -1; /* size */
*p++ = -1; /* atime secs */
*p++ = -1; /* atime usecs */
*p++ = -1; /* mtime secs */
*p++ = -1; /* mtime usecs */
return p;
}
inline int *
xdr_encode_sattr_size (int *p, off_t size)
{
*p++ = -1; /* mode */
*p++ = -1; /* uid */
*p++ = -1; /* gid */
*p++ = htonl (size);
*p++ = -1; /* atime secs */
*p++ = -1; /* atime usecs */
*p++ = -1; /* mtime secs */
*p++ = -1; /* mtime secs */
return p;
}
inline int *
xdr_encode_sattr_times (int *p, struct timespec *atime, struct timespec *mtime)
{
*p++ = -1; /* mode */
*p++ = -1; /* uid */
*p++ = -1; /* gid */
*p++ = -1; /* size */
*p++ = htonl (atime->ts_sec);
*p++ = htonl (atime->ts_nsec * 1000);
*p++ = htonl (mtime->ts_sec);
*p++ = htonl (mtime->ts_nsec * 1000);
return p;
}
/* Decode *P into a stat structure; return the address of the
following data. */
int *
xdr_decode_fattr (int *p, struct stat *st)
{
int type, mode;
type = ntohl (*p++);
mode = ntohl (*p++);
st->st_mode = nfsv2mode_to_hurdmode (type, mode);
st->st_nlink = ntohl (*p++);
st->st_uid = ntohl (*p++);
st->st_gid = ntohl (*p++);
st->st_size = ntohl (*p++);
st->st_blksize = ntohl (*p++);
st->st_rdev = ntohl (*p++);
st->st_blocks = ntohl (*p++);
st->st_fsid = ntohl (*p++); /* surely wrong */
st->st_ino = ntohl (*p++);
st->st_atime = ntohl (*p++);
st->st_atime_usec = ntohl (*p++);
st->st_mtime = ntohl (*p++);
st->st_mtime_usec = ntohl (*p++);
st->st_ctime = ntohl (*p++);
st->st_ctime_usec = ntohl (*p++);
st->st_fstype = FSTYPE_NFS;
st->st_gen = 0; /* ??? */
st->st_author = st->st_uid; /* ??? */
st->st_flags = 0; /* ??? */
return p;
}
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