glibc/sunrpc/xdr_intXX_t.c

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/* Copyright (c) 1998, 1999, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1998.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <rpc/types.h>
#include <rpc/xdr.h>
/* XDR 64bit integers */
bool_t
xdr_int64_t (XDR *xdrs, int64_t *ip)
{
int32_t t1;
/* This must be unsigned, otherwise we get problems with sign
extension in the DECODE case. */
uint32_t t2;
switch (xdrs->x_op)
{
case XDR_ENCODE:
t1 = (int32_t) ((*ip) >> 32);
t2 = (int32_t) (*ip);
return (XDR_PUTINT32(xdrs, &t1) && XDR_PUTINT32(xdrs, &t2));
case XDR_DECODE:
if (!XDR_GETINT32(xdrs, &t1) || !XDR_GETINT32(xdrs, &t2))
return FALSE;
*ip = ((int64_t) t1) << 32;
*ip |= t2;
return TRUE;
case XDR_FREE:
return TRUE;
default:
return FALSE;
}
}
/* XDR 64bit unsigned integers */
bool_t
xdr_uint64_t (XDR *xdrs, uint64_t *uip)
{
uint32_t t1;
uint32_t t2;
switch (xdrs->x_op)
{
case XDR_ENCODE:
t1 = (uint32_t) ((*uip) >> 32);
t2 = (uint32_t) (*uip);
return (XDR_PUTINT32 (xdrs, (int32_t *) &t1) &&
XDR_PUTINT32(xdrs, (int32_t *) &t2));
case XDR_DECODE:
if (!XDR_GETINT32(xdrs, (int32_t *) &t1) ||
!XDR_GETINT32(xdrs, (int32_t *) &t2))
return FALSE;
*uip = ((uint64_t) t1) << 32;
*uip |= t2;
return TRUE;
case XDR_FREE:
return TRUE;
default:
return FALSE;
}
}
/* XDR 32bit integers */
bool_t
xdr_int32_t (XDR *xdrs, int32_t *lp)
{
switch (xdrs->x_op)
{
case XDR_ENCODE:
return XDR_PUTINT32 (xdrs, lp);
case XDR_DECODE:
return XDR_GETINT32 (xdrs, lp);
case XDR_FREE:
return TRUE;
default:
return FALSE;
}
}
/* XDR 32bit unsigned integers */
bool_t
xdr_uint32_t (XDR *xdrs, uint32_t *ulp)
{
switch (xdrs->x_op)
{
case XDR_ENCODE:
return XDR_PUTINT32 (xdrs, (int32_t *) ulp);
case XDR_DECODE:
return XDR_GETINT32 (xdrs, (int32_t *) ulp);
case XDR_FREE:
return TRUE;
default:
return FALSE;
}
}
/* XDR 16bit integers */
bool_t
xdr_int16_t (XDR *xdrs, int16_t *ip)
{
int32_t t;
switch (xdrs->x_op)
{
case XDR_ENCODE:
t = (int32_t) *ip;
return XDR_PUTINT32 (xdrs, &t);
case XDR_DECODE:
if (!XDR_GETINT32 (xdrs, &t))
return FALSE;
*ip = (int16_t) t;
return TRUE;
case XDR_FREE:
return TRUE;
default:
return FALSE;
}
}
/* XDR 16bit unsigned integers */
bool_t
xdr_uint16_t (XDR *xdrs, uint16_t *uip)
{
uint32_t ut;
switch (xdrs->x_op)
{
case XDR_ENCODE:
ut = (uint32_t) *uip;
return XDR_PUTINT32 (xdrs, (int32_t *) &ut);
case XDR_DECODE:
if (!XDR_GETINT32 (xdrs, (int32_t *) &ut))
return FALSE;
*uip = (uint16_t) ut;
return TRUE;
case XDR_FREE:
return TRUE;
default:
return FALSE;
}
}
/* XDR 8bit integers */
bool_t
xdr_int8_t (XDR *xdrs, int8_t *ip)
{
int32_t t;
switch (xdrs->x_op)
{
case XDR_ENCODE:
t = (int32_t) *ip;
return XDR_PUTINT32 (xdrs, &t);
case XDR_DECODE:
if (!XDR_GETINT32 (xdrs, &t))
return FALSE;
*ip = (int8_t) t;
return TRUE;
case XDR_FREE:
return TRUE;
default:
return FALSE;
}
}
/* XDR 8bit unsigned integers */
bool_t
xdr_uint8_t (XDR *xdrs, uint8_t *uip)
{
uint32_t ut;
switch (xdrs->x_op)
{
case XDR_ENCODE:
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ut = (uint32_t) *uip;
return XDR_PUTINT32 (xdrs, (int32_t *) &ut);
case XDR_DECODE:
if (!XDR_GETINT32 (xdrs, (int32_t *) &ut))
return FALSE;
*uip = (uint8_t) ut;
return TRUE;
case XDR_FREE:
return TRUE;
default:
return FALSE;
}
}