0ad4db4fad
we regretfully had to remove our git history for licensing reasons Signed-off-by: Casey Bodley <cbodley@citi.umich.edu>
157 lines
3.9 KiB
C
157 lines
3.9 KiB
C
/*
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* Copyright (c) 2009, Sun Microsystems, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* - Neither the name of Sun Microsystems, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* xdr_sizeof.c
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*
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* Copyright 1990 Sun Microsystems, Inc.
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*
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* General purpose routine to see how much space something will use
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* when serialized using XDR.
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*/
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//#include <sys/cdefs.h>
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#include <wintirpc.h>
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#include "namespace.h"
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#include <rpc/types.h>
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#include <rpc/xdr.h>
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#include <sys/types.h>
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#include <stdlib.h>
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#include "un-namespace.h"
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/* ARGSUSED */
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static bool_t
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x_putlong(XDR *xdrs, const long *longp)
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{
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xdrs->x_handy += BYTES_PER_XDR_UNIT;
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return (TRUE);
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}
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/* ARGSUSED */
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static bool_t
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x_putbytes(XDR *xdrs, const char *bp, u_int len)
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{
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xdrs->x_handy += len;
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return (TRUE);
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}
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static u_int
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x_getpostn(XDR *xdrs)
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{
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return (xdrs->x_handy);
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}
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/* ARGSUSED */
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static bool_t
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x_setpostn(XDR *xdrs, u_int pos)
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{
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/* This is not allowed */
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return (FALSE);
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}
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static int32_t *
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x_inline(XDR *xdrs, u_int len)
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{
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if (len == 0) {
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return (NULL);
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}
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if (xdrs->x_op != XDR_ENCODE) {
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return (NULL);
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}
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if (len < PtrToUlong(xdrs->x_base)) {
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/* x_private was already allocated */
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xdrs->x_handy += len;
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return ((int32_t *) xdrs->x_private);
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} else {
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/* Free the earlier space and allocate new area */
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if (xdrs->x_private)
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free(xdrs->x_private);
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if ((xdrs->x_private = (caddr_t) malloc(len)) == NULL) {
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xdrs->x_base = 0;
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return (NULL);
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}
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xdrs->x_base = UIntToPtr(len);
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//xdrs->x_base = len; // XXX Is this right???
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xdrs->x_handy += len;
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return ((int32_t *) xdrs->x_private);
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}
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}
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static int
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harmless()
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{
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/* Always return FALSE/NULL, as the case may be */
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return (0);
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}
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static void
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x_destroy(XDR *xdrs)
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{
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xdrs->x_handy = 0;
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xdrs->x_base = 0;
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if (xdrs->x_private) {
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free(xdrs->x_private);
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xdrs->x_private = NULL;
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}
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return;
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}
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unsigned long
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xdr_sizeof(func, data)
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xdrproc_t func;
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void *data;
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{
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XDR x;
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struct xdr_ops ops;
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bool_t stat;
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/* to stop ANSI-C compiler from complaining */
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typedef bool_t (* dummyfunc1)(XDR *, long *);
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typedef bool_t (* dummyfunc2)(XDR *, caddr_t, u_int);
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ops.x_putlong = x_putlong;
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ops.x_putbytes = x_putbytes;
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ops.x_inline = x_inline;
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ops.x_getpostn = x_getpostn;
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ops.x_setpostn = x_setpostn;
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ops.x_destroy = x_destroy;
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/* the other harmless ones */
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ops.x_getlong = (dummyfunc1) harmless;
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ops.x_getbytes = (dummyfunc2) harmless;
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x.x_op = XDR_ENCODE;
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x.x_ops = &ops;
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x.x_handy = 0;
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x.x_private = (caddr_t) NULL;
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x.x_base = (caddr_t) 0;
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stat = func(&x, data);
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if (x.x_private)
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free(x.x_private);
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return (stat == TRUE ? (unsigned) x.x_handy: 0);
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}
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