f14fb60209
* Updating common/lib * Updating lib/csu * Updating lib/libc * Updating libexec/ld.elf_so * Corrected test on __minix in featuretest to actually follow the meaning of the comment. * Cleaned up _REENTRANT-related defintions. * Disabled -D_REENTRANT for libfetch * Removing some unneeded __NBSD_LIBC defines and tests Change-Id: Ic1394baef74d11b9f86b312f5ff4bbc3cbf72ce2
171 lines
4.1 KiB
C
171 lines
4.1 KiB
C
/*
|
|
* 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.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
#if 0
|
|
__FBSDID("$FreeBSD: src/lib/libc/xdr/xdr_sizeof.c,v 1.5.38.1 2010/12/21 17:10:29 kensmith Exp $");
|
|
#else
|
|
__RCSID("$NetBSD: xdr_sizeof.c,v 1.4 2012/03/20 17:14:50 matt Exp $");
|
|
#endif
|
|
|
|
#include "namespace.h"
|
|
#include <rpc/types.h>
|
|
#include <rpc/xdr.h>
|
|
#include <sys/types.h>
|
|
#include <stdlib.h>
|
|
|
|
#ifdef __weak_alias
|
|
__weak_alias(xdr_sizeof,_xdr_sizeof)
|
|
#endif
|
|
|
|
static bool_t x_putlong(XDR *, const long *);
|
|
static bool_t x_putbytes(XDR *, const char *, u_int);
|
|
static u_int x_getpostn(XDR *);
|
|
static bool_t x_setpostn(XDR *, u_int);
|
|
static int32_t *x_inline(XDR *, u_int);
|
|
static int harmless(void);
|
|
static void x_destroy(XDR *);
|
|
|
|
/* ARGSUSED */
|
|
static bool_t
|
|
x_putlong(XDR *xdrs, const long *longp)
|
|
{
|
|
xdrs->x_handy += BYTES_PER_XDR_UNIT;
|
|
return (TRUE);
|
|
}
|
|
|
|
/* ARGSUSED */
|
|
static bool_t
|
|
x_putbytes(XDR *xdrs, const char *bp, u_int len)
|
|
{
|
|
xdrs->x_handy += len;
|
|
return (TRUE);
|
|
}
|
|
|
|
static u_int
|
|
x_getpostn(XDR *xdrs)
|
|
{
|
|
return (xdrs->x_handy);
|
|
}
|
|
|
|
/* ARGSUSED */
|
|
static bool_t
|
|
x_setpostn(XDR *xdrs, u_int pos)
|
|
{
|
|
/* 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)(uintptr_t)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 */
|
|
if (xdrs->x_private)
|
|
free(xdrs->x_private);
|
|
if ((xdrs->x_private = malloc(len)) == NULL) {
|
|
xdrs->x_base = 0;
|
|
return (NULL);
|
|
}
|
|
xdrs->x_base = (caddr_t)(uintptr_t)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;
|
|
/* to stop ANSI-C compiler from complaining */
|
|
typedef bool_t (* dummyfunc1)(XDR *, long *);
|
|
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);
|
|
if (x.x_private)
|
|
free(x.x_private);
|
|
return (stat == TRUE ? (unsigned) x.x_handy: 0);
|
|
}
|