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/*
* Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
* Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
* Reserved. This file contains Original Code and/or Modifications of
* Original Code as defined in and that are subject to the Apple Public
* Source License Version 1.1 (the "License"). You may not use this file
* except in compliance with the License. Please obtain a copy of the
* License at http://www.apple.com/publicsource and read it before using
* this file.
*
* The Original Code and all software distributed under the License are
* distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT. Please see the
* License for the specific language governing rights and limitations
* under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/
/*
* 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
*/
/*
* xdr_sizeof.c
*
* Copyright 1990 Sun Microsystems, Inc.
*
* General purpose routine to see how much space something will use
* when serialized using XDR.
*/
#ifdef GF_DARWIN_HOST_OS
#include <rpc/types.h>
#include <rpc/xdr.h>
#include <sys/types.h>
#include <sys/cdefs.h>
#include <stdlib.h>
/* ARGSUSED */
#ifdef GF_DARWIN_HOST_OS
static bool_t
x_putlong (XDR *xdrs, const int *longp)
{
xdrs->x_handy += BYTES_PER_XDR_UNIT;
return TRUE;
}
#else
static bool_t
x_putlong (XDR *xdrs, const long *longp)
{
xdrs->x_handy += BYTES_PER_XDR_UNIT;
return TRUE;
}
#endif
/* ARGSUSED */
static bool_t
x_putbytes (XDR *xdrs, const char *bp, u_int len)
{
xdrs->x_handy += len;
return TRUE;
}
#ifdef GF_DARWIN_HOST_OS
static u_int
x_getpostn (XDR *xdrs)
{
return xdrs->x_handy;
}
#else
static u_int
x_getpostn (const XDR *xdrs)
{
return xdrs->x_handy;
}
#endif
/* ARGSUSED */
static bool_t
x_setpostn (XDR *xdrs, u_int len)
{
/* This is not allowed */
return FALSE;
}
static int32_t *
x_inline (XDR *xdrs, u_int len)
{
if (len == 0)
return NULL;
if (xdrs->x_op != XDR_ENCODE)
return NULL;
if (len < (u_int) (long int) xdrs->x_base)
{
/* x_private was already allocated */
xdrs->x_handy += len;
return (int32_t *) xdrs->x_private;
}
else
{
/* Free the earlier space and allocate new area */
free (xdrs->x_private);
if ((xdrs->x_private = (caddr_t) malloc (len)) == NULL)
{
xdrs->x_base = 0;
return NULL;
}
xdrs->x_base = (void *) (long) len;
xdrs->x_handy += len;
return (int32_t *) xdrs->x_private;
}
}
static int
harmless (void)
{
/* Always return FALSE/NULL, as the case may be */
return 0;
}
static void
x_destroy (XDR *xdrs)
{
xdrs->x_handy = 0;
xdrs->x_base = 0;
if (xdrs->x_private)
{
free (xdrs->x_private);
xdrs->x_private = NULL;
}
return;
}
unsigned long
xdr_sizeof (xdrproc_t func, void *data)
{
XDR x;
struct xdr_ops ops;
bool_t stat;
#ifdef GF_DARWIN_HOST_OS
typedef bool_t (*dummyfunc1) (XDR *, int *);
#else
typedef bool_t (*dummyfunc1) (XDR *, long *);
#endif
typedef bool_t (*dummyfunc2) (XDR *, caddr_t, u_int);
ops.x_putlong = x_putlong;
ops.x_putbytes = x_putbytes;
ops.x_inline = x_inline;
ops.x_getpostn = x_getpostn;
ops.x_setpostn = x_setpostn;
ops.x_destroy = x_destroy;
/* the other harmless ones */
ops.x_getlong = (dummyfunc1) harmless;
ops.x_getbytes = (dummyfunc2) harmless;
x.x_op = XDR_ENCODE;
x.x_ops = &ops;
x.x_handy = 0;
x.x_private = (caddr_t) NULL;
x.x_base = (caddr_t) 0;
stat = func (&x, data, 0);
if (x.x_private)
free (x.x_private);
return (stat == TRUE ? (unsigned) x.x_handy : 0);
}
#endif /* GF_DARWIN_HOST_OS */
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