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/* @(#)xdr_float.c 2.1 88/07/29 4.0 RPCSRC */
/*
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
* unrestricted use provided that this legend is included on all tape
* media and as a part of the software program in whole or part. Users
* may copy or modify Sun RPC without charge, but are not authorized
* to license or distribute it to anyone else except as part of a product or
* program developed by the user.
*
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
*
* Sun RPC is provided with no support and without any obligation on the
* part of Sun Microsystems, Inc. to assist in its use, correction,
* modification or enhancement.
*
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
* OR ANY PART THEREOF.
*
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
* or profits or other special, indirect and consequential damages, even if
* Sun has been advised of the possibility of such damages.
*
* Sun Microsystems, Inc.
* 2550 Garcia Avenue
* Mountain View, California 94043
*/
#if 0
static char sccsid[] = "@(#)xdr_float.c 1.12 87/08/11 Copyr 1984 Sun Micro";
#endif
/*
* xdr_float.c, Generic XDR routines implementation.
*
* Copyright (C) 1984, Sun Microsystems, Inc.
*
* These are the "floating point" xdr routines used to (de)serialize
* most common data items. See xdr.h for more info on the interface to
* xdr.
*/
#include <stdio.h>
#include <endian.h>
#include <rpc/types.h>
#include <rpc/xdr.h>
/*
* NB: Not portable.
* This routine works on Suns (Sky / 68000's) and Vaxen.
*/
#define LSW (__FLOAT_WORD_ORDER == __BIG_ENDIAN)
bool_t
xdr_float(XDR *xdrs, float *fp)
{
switch (xdrs->x_op) {
case XDR_ENCODE:
if (sizeof(float) == sizeof(long))
return (XDR_PUTLONG(xdrs, (long *)fp));
else if (sizeof(float) == sizeof(int)) {
long tmp = *(int *)fp;
return (XDR_PUTLONG(xdrs, &tmp));
}
break;
case XDR_DECODE:
if (sizeof(float) == sizeof(long))
return (XDR_GETLONG(xdrs, (long *)fp));
else if (sizeof(float) == sizeof(int)) {
long tmp;
if (XDR_GETLONG(xdrs, &tmp)) {
*(int *)fp = tmp;
return (TRUE);
}
}
break;
case XDR_FREE:
return (TRUE);
}
return (FALSE);
}
bool_t
xdr_double(XDR *xdrs, double *dp)
{
switch (xdrs->x_op) {
case XDR_ENCODE:
if (2*sizeof(long) == sizeof(double)) {
long *lp = (long *)dp;
return (XDR_PUTLONG(xdrs, lp+!LSW) &&
XDR_PUTLONG(xdrs, lp+LSW));
} else if (2*sizeof(int) == sizeof(double)) {
int *ip = (int *)dp;
long tmp[2];
tmp[0] = ip[!LSW];
tmp[1] = ip[LSW];
return (XDR_PUTLONG(xdrs, tmp) &&
XDR_PUTLONG(xdrs, tmp+1));
}
break;
case XDR_DECODE:
if (2*sizeof(long) == sizeof(double)) {
long *lp = (long *)dp;
return (XDR_GETLONG(xdrs, lp+!LSW) &&
XDR_GETLONG(xdrs, lp+LSW));
} else if (2*sizeof(int) == sizeof(double)) {
int *ip = (int *)dp;
long tmp[2];
if (XDR_GETLONG(xdrs, tmp+!LSW) &&
XDR_GETLONG(xdrs, tmp+LSW)) {
ip[0] = tmp[0];
ip[1] = tmp[1];
return (TRUE);
}
}
break;
case XDR_FREE:
return (TRUE);
}
return (FALSE);
}
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