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
143 lines
3.7 KiB
C
143 lines
3.7 KiB
C
/* $NetBSD: xdr_reference.c,v 1.16 2012/06/25 22:32:45 abs Exp $ */
|
|
|
|
/*
|
|
* 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
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
#if defined(LIBC_SCCS) && !defined(lint)
|
|
#if 0
|
|
static char *sccsid = "@(#)xdr_reference.c 1.11 87/08/11 SMI";
|
|
static char *sccsid = "@(#)xdr_reference.c 2.1 88/07/29 4.0 RPCSRC";
|
|
#else
|
|
__RCSID("$NetBSD: xdr_reference.c,v 1.16 2012/06/25 22:32:45 abs Exp $");
|
|
#endif
|
|
#endif
|
|
|
|
/*
|
|
* xdr_reference.c, Generic XDR routines implementation.
|
|
*
|
|
* Copyright (C) 1987, Sun Microsystems, Inc.
|
|
*
|
|
* These are the "non-trivial" xdr primitives used to serialize and de-serialize
|
|
* "pointers". See xdr.h for more info on the interface to xdr.
|
|
*/
|
|
|
|
#include "namespace.h"
|
|
|
|
#include <err.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include <rpc/types.h>
|
|
#include <rpc/xdr.h>
|
|
|
|
#ifdef __weak_alias
|
|
__weak_alias(xdr_pointer,_xdr_pointer)
|
|
__weak_alias(xdr_reference,_xdr_reference)
|
|
#endif
|
|
|
|
/*
|
|
* XDR an indirect pointer
|
|
* xdr_reference is for recursively translating a structure that is
|
|
* referenced by a pointer inside the structure that is currently being
|
|
* translated. pp references a pointer to storage. If *pp is null
|
|
* the necessary storage is allocated.
|
|
* size is the sizeof the referneced structure.
|
|
* proc is the routine to handle the referenced structure.
|
|
*/
|
|
bool_t
|
|
xdr_reference(XDR *xdrs, caddr_t *pp, u_int size, xdrproc_t proc)
|
|
{
|
|
caddr_t loc = *pp;
|
|
bool_t stat;
|
|
|
|
if (loc == NULL)
|
|
switch (xdrs->x_op) {
|
|
case XDR_FREE:
|
|
return (TRUE);
|
|
|
|
case XDR_DECODE:
|
|
*pp = loc = mem_alloc(size);
|
|
if (loc == NULL) {
|
|
warnx("xdr_reference: out of memory");
|
|
return (FALSE);
|
|
}
|
|
memset(loc, 0, size);
|
|
break;
|
|
|
|
case XDR_ENCODE:
|
|
break;
|
|
}
|
|
|
|
stat = (*proc)(xdrs, loc);
|
|
|
|
if (xdrs->x_op == XDR_FREE) {
|
|
mem_free(loc, size);
|
|
*pp = NULL;
|
|
}
|
|
return (stat);
|
|
}
|
|
|
|
|
|
/*
|
|
* xdr_pointer():
|
|
*
|
|
* XDR a pointer to a possibly recursive data structure. This
|
|
* differs with xdr_reference in that it can serialize/deserialiaze
|
|
* trees correctly.
|
|
*
|
|
* What's sent is actually a union:
|
|
*
|
|
* union object_pointer switch (boolean b) {
|
|
* case TRUE: object_data data;
|
|
* case FALSE: void nothing;
|
|
* }
|
|
*
|
|
* > objpp: Pointer to the pointer to the object.
|
|
* > obj_size: size of the object.
|
|
* > xdr_obj: routine to XDR an object.
|
|
*
|
|
*/
|
|
bool_t
|
|
xdr_pointer(XDR *xdrs, char **objpp, u_int obj_size, xdrproc_t xdr_obj)
|
|
{
|
|
|
|
bool_t more_data;
|
|
|
|
more_data = (*objpp != NULL);
|
|
if (! xdr_bool(xdrs,&more_data)) {
|
|
return (FALSE);
|
|
}
|
|
if (! more_data) {
|
|
*objpp = NULL;
|
|
return (TRUE);
|
|
}
|
|
return (xdr_reference(xdrs,objpp,obj_size,xdr_obj));
|
|
}
|