glibc/nis/nis_clone_dir.c

74 lines
1.8 KiB
C

/* Copyright (c) 1997-2016 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <string.h>
#include <rpc/rpc.h>
#include <rpcsvc/nis.h>
#include "nis_xdr.h"
directory_obj *
nis_clone_directory (const directory_obj *src, directory_obj *dest)
{
char *addr;
unsigned int size;
XDR xdrs;
if (src == NULL)
return NULL;
size = xdr_sizeof ((xdrproc_t)_xdr_directory_obj, (char *)src);
if ((addr = calloc(1, size)) == NULL)
return NULL;
xdrmem_create(&xdrs, addr, size, XDR_ENCODE);
if (!_xdr_directory_obj (&xdrs, (directory_obj *)src))
{
xdr_destroy (&xdrs);
free (addr);
return NULL;
}
xdr_destroy (&xdrs);
directory_obj *res;
if (dest == NULL)
{
if ((res = calloc (1, sizeof (directory_obj))) == NULL)
{
free (addr);
return NULL;
}
}
else
res = dest;
xdrmem_create (&xdrs, addr, size, XDR_DECODE);
if (!_xdr_directory_obj (&xdrs, res))
{
xdr_destroy (&xdrs);
if (res != dest)
free (res);
free (addr);
return NULL;
}
xdr_destroy (&xdrs);
free (addr);
return res;
}