import RT-Thread@9217865c without bsp, libcpu and components/net
This commit is contained in:
Zihao Yu
commit
e2376a3709
1414 changed files with 390370 additions and 0 deletions
172
components/dfs/dfs_v2/filesystems/nfs/rpc/xdr_mem.c
Normal file
172
components/dfs/dfs_v2/filesystems/nfs/rpc/xdr_mem.c
Normal file
|
|
@ -0,0 +1,172 @@
|
|||
/*
|
||||
* Copyright (c) 2006-2021, RT-Thread Development Team
|
||||
*
|
||||
* SPDX-License-Identifier: Apache-2.0
|
||||
*
|
||||
* Change Logs:
|
||||
* Date Author Notes
|
||||
*/
|
||||
/* @(#)xdr_mem.c 2.1 88/07/29 4.0 RPCSRC */
|
||||
/*
|
||||
* 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
|
||||
*/
|
||||
#if !defined(lint) && defined(SCCSIDS)
|
||||
static char sccsid[] = "@(#)xdr_mem.c 1.19 87/08/11 Copyr 1984 Sun Micro";
|
||||
#endif
|
||||
|
||||
/*
|
||||
* xdr_mem.h, XDR implementation using memory buffers.
|
||||
*
|
||||
* Copyright (C) 1984, Sun Microsystems, Inc.
|
||||
*
|
||||
* If you have some data to be interpreted as external data representation
|
||||
* or to be converted to external data representation in a memory buffer,
|
||||
* then this is the package for you.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <rpc/types.h>
|
||||
#include <rpc/xdr.h>
|
||||
#include <string.h>
|
||||
#include <limits.h>
|
||||
|
||||
static bool_t xdrmem_getlong (XDR *, long *);
|
||||
static bool_t xdrmem_putlong (XDR *, const long *);
|
||||
static bool_t xdrmem_getbytes (XDR *, char *, unsigned int);
|
||||
static bool_t xdrmem_putbytes (XDR *, const char *, unsigned int);
|
||||
static unsigned int xdrmem_getpos (const XDR *);
|
||||
static bool_t xdrmem_setpos (XDR *, unsigned int);
|
||||
static int32_t *xdrmem_inline (XDR *, unsigned int);
|
||||
static void xdrmem_destroy (XDR *);
|
||||
|
||||
static struct xdr_ops xdrmem_ops = {
|
||||
xdrmem_getlong,
|
||||
xdrmem_putlong,
|
||||
xdrmem_getbytes,
|
||||
xdrmem_putbytes,
|
||||
xdrmem_getpos,
|
||||
xdrmem_setpos,
|
||||
xdrmem_inline,
|
||||
xdrmem_destroy,
|
||||
NULL,
|
||||
NULL
|
||||
};
|
||||
|
||||
|
||||
/*
|
||||
* The procedure xdrmem_create initializes a stream descriptor for a
|
||||
* memory buffer.
|
||||
*/
|
||||
void
|
||||
xdrmem_create (XDR *xdrs, const char* addr, unsigned int size, enum xdr_op op)
|
||||
{
|
||||
xdrs->x_op = op;
|
||||
xdrs->x_ops = &xdrmem_ops;
|
||||
xdrs->x_private = xdrs->x_base = (char*)addr;
|
||||
xdrs->x_handy = size;
|
||||
}
|
||||
|
||||
static void
|
||||
xdrmem_destroy (XDR *xdrs)
|
||||
{
|
||||
}
|
||||
|
||||
static bool_t
|
||||
xdrmem_getlong (XDR *xdrs, long *lp)
|
||||
{
|
||||
if (xdrs->x_handy < 4) return FALSE;
|
||||
xdrs->x_handy -= 4;
|
||||
|
||||
*lp = (int32_t) ntohl((*((int32_t *) (xdrs->x_private))));
|
||||
xdrs->x_private += 4;
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static bool_t
|
||||
xdrmem_putlong (XDR *xdrs, const long *lp)
|
||||
{
|
||||
if (xdrs->x_handy < 4) return FALSE;
|
||||
xdrs->x_handy -= 4;
|
||||
|
||||
*(int32_t *) xdrs->x_private = htonl(*lp);
|
||||
xdrs->x_private += 4;
|
||||
return (TRUE);
|
||||
}
|
||||
|
||||
static bool_t
|
||||
xdrmem_getbytes (XDR *xdrs, char *addr, unsigned int len)
|
||||
{
|
||||
if (xdrs->x_handy < len) return FALSE;
|
||||
xdrs->x_handy -= len;
|
||||
memmove(addr, xdrs->x_private, len);
|
||||
xdrs->x_private += len;
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static bool_t
|
||||
xdrmem_putbytes (XDR *xdrs, const char *addr, unsigned int len)
|
||||
{
|
||||
if (xdrs->x_handy < len) return FALSE;
|
||||
xdrs->x_handy -= len;
|
||||
memmove(xdrs->x_private, addr, len);
|
||||
xdrs->x_private += len;
|
||||
return (TRUE);
|
||||
}
|
||||
|
||||
static unsigned int xdrmem_getpos (const XDR *xdrs)
|
||||
{
|
||||
return ((unsigned long) xdrs->x_private - (unsigned long) xdrs->x_base);
|
||||
}
|
||||
|
||||
static bool_t xdrmem_setpos(XDR *xdrs, unsigned int pos)
|
||||
{
|
||||
register char* newaddr = xdrs->x_base + pos;
|
||||
register char* lastaddr = xdrs->x_private + xdrs->x_handy;
|
||||
|
||||
if ((long) newaddr > (long) lastaddr
|
||||
|| (UINT_MAX < LONG_MAX
|
||||
&& (long) UINT_MAX < (long) lastaddr - (long) newaddr))
|
||||
return (FALSE);
|
||||
xdrs->x_private = newaddr;
|
||||
xdrs->x_handy = (long) lastaddr - (long) newaddr;
|
||||
return (TRUE);
|
||||
}
|
||||
|
||||
static int32_t *
|
||||
xdrmem_inline (XDR *xdrs, unsigned int len)
|
||||
{
|
||||
int32_t *buf = 0;
|
||||
|
||||
if (xdrs->x_handy >= len) {
|
||||
xdrs->x_handy -= len;
|
||||
buf = (int32_t *) xdrs->x_private;
|
||||
xdrs->x_private += len;
|
||||
}
|
||||
return (buf);
|
||||
}
|
||||
|
||||
Loading…
Add table
Add a link
Reference in a new issue