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/*
* DIS/x : An implementation of the IEEE 1278.1 protocol
*
* Copyright (C) 1996, Riley Rainey (rainey@netcom.com)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of either:
*
* a) the GNU Library General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your
* option) any later version. A description of the terms and conditions
* of the GLPL may be found in the "COPYING.LIB" file.
*
* b) the "Artistic License" which comes with this Kit. Information
* about this license may be found in the "Artistic" file.
*
* This library 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
* Library General Public License or the Artistic License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* Information describing how to contact the author can be found in the
* README file.
*/
#include <rpc/types.h>
#include <rpc/xdr.h>
#include <sys/types.h>
#ifndef WIN32
#include <netinet/in.h>
#endif
bool_t xdr_byte_opaque(XDR * xdrs, caddr_t cp, u_int cnt);
/*
* These xdr_byte_ routines act just as their xdr_ equivalents except that
* input data is not required to be aligned on a 4-byte boundary. This
* implies that data alignment is the responsibility of the protocol
* designer.
*/
bool_t
xdr_byte_long(XDR * xdrs, void *vcp)
{
long u;
long int *cp = (long int *) vcp;
u = htonl(*cp);
if (!xdr_byte_opaque(xdrs, (caddr_t) & u, 4)) {
return (FALSE);
}
*cp = ntohl(u);
return (TRUE);
}
bool_t
xdr_byte_u_long(XDR * xdrs, void * vcp)
{
u_long u, *cp = (u_long *) vcp;
u = htonl(*cp);
if (!xdr_byte_opaque(xdrs, (caddr_t) & u, 4)) {
return (FALSE);
}
*cp = ntohl(u);
return (TRUE);
}
bool_t
xdr_byte_short(XDR * xdrs, void *vcp)
{
short u;
short *cp = (short *) vcp;
u = htons(*cp);
if (!xdr_byte_opaque(xdrs, (caddr_t) & u, 2)) {
return (FALSE);
}
*cp = ntohs(u);
return (TRUE);
}
bool_t
xdr_byte_u_short(XDR * xdrs, void * vcp)
{
u_short u;
u_short *cp = (u_short *) vcp;
u = htons(*cp);
if (!xdr_byte_opaque(xdrs, (caddr_t) & u, 2)) {
return (FALSE);
}
*cp = ntohs(u);
return (TRUE);
}
bool_t
xdr_byte_char(XDR * xdrs, void *vcp)
{
char i, *cp = (char *) vcp;
i = (*cp);
if (!xdr_byte_opaque(xdrs, &i, 1)) {
return (FALSE);
}
*cp = i;
return (TRUE);
}
bool_t
xdr_byte_u_char(XDR * xdrs, void * vcp)
{
u_char u, *cp = (u_char *) vcp;
u = (*cp);
if (!xdr_byte_opaque(xdrs, &u, 1)) {
return (FALSE);
}
*cp = u;
return (TRUE);
}
bool_t
xdr_byte_opaque(register XDR * xdrs, caddr_t cp, register u_int cnt)
{
/*
* if no data we are done
*/
if (cnt == 0)
return (TRUE);
if (xdrs->x_op == XDR_DECODE) {
if (!XDR_GETBYTES(xdrs, cp, cnt)) {
return (FALSE);
}
return (TRUE);
}
if (xdrs->x_op == XDR_ENCODE) {
if (!XDR_PUTBYTES(xdrs, cp, cnt)) {
return (FALSE);
}
return (TRUE);
}
if (xdrs->x_op == XDR_FREE) {
return (TRUE);
}
return (FALSE);
}
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