glibc/sunrpc/xdr_mem.c
Ulrich Drepper bfbc57545a Update.
1997-05-22 04:09  Ulrich Drepper  <drepper@cygnus.com>

	* sunrpc/clnt_perr.c (clnt_sperrno): Change type of variable i
	to size_t to prevent warning.
	* sunrpc/rpcinfo.c (get_inet_address): Use UNADDR_NONE and INADDR_ANY
	instead of numeric values.
	Various cleanups.
	* sunrpc/xdr_mem.c: Use `const char *' instead of `const caddr_t'
	for xdrmem_putbytes.
	* sunrpc/xdr_rec.c: Likewise.
	* sunrpc/xdr_stdio.c: Likewise.
	* sunrpc/rpc/xdr.h: Likewise.

	* sysdeps/unix/sysv/linux/arm/syscall.s: Pretty printing.
	* sysdeps/unix/sysv/linux/arm/sysdep.h: Likewise.
	* sysdeps/unix/sysv/linux/i386/sysdep.h: Likewise.

1997-05-21 22:22  Philip Blundell  <pjb27@cam.ac.uk>

	* inet/Makefile (headers): Add netinet/ip6.h, netinet/icmp6.h.
	* sysdeps/generic/netinet/ip6.h: New file (for IPv6 Advanced API).
	* sysdeps/generic/netinet/icmp6.h: Likewise.
	* sysdeps/unix/sysv/linux/netinet/in.h: Fix typo.
	* sysdeps/stub/direntry.h (struct dirent): Add d_fileno (needed by
	glob.c).
	* sysdeps/standalone/arm/errnos.h: Add EPROTOTYPE, ESRCH.
	* sysdeps/unix/arm/sysdep.h: Avoid warning about nested comments.
	* sysdeps/stub/accept.c (accept): Make args match prototype.
	* sysdeps/stub/bind.c (bind): Likewise.
	* sysdeps/stub/connect.c (connect): Likewise.
	* sysdeps/stub/getpeername.c (getpeername): Likewise.
	* sysdeps/stub/getsockname.c (getsockname): Likewise.
	* sysdeps/stub/recvfrom.c (recvfrom): Likewise.
	* sysdeps/stub/send.c (send): Likewise.
	* sysdeps/stub/ttyname_r.c (ttyname_r): Likewise.
	* sysdeps/stub/readv.c (readv): Likewise.
	* sysdeps/stub/writev.c (writev): Likewise.
	* sysdeps/stub/sendto.c (sendto): Likewise.
	* sysdeps/unix/sysv/linux/arm/profil-counter.h: New file.

1997-05-18 12:46  Philip Blundell  <pjb27@cam.ac.uk>

	* sysdeps/unix/sysv/linux/socketbits.h: Add new macros CMSG_SPACE,
	CMSG_LEN, CMSG_ALIGN (for IPv6 Advanced API).

1997-05-21 13:51  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* sysdeps/unix/sysv/linux/shmat.c (shmat): Add cast to prevent warning.

	* sunrpc/rpcsvc/rusers.x: Provide prototypes for implemented
	functions, include <rpc/xdr.h>.

	* string/strverscmp.c: Correct typos in comment.

	* sunrpc/rpc/xdr.h: Add more `const'.
	* sunrpc/xdr_stdio.c: Likewise.
	* sunrpc/xdr_rec.c: Likewise.
1997-05-22 02:19:00 +00:00

220 lines
5.3 KiB
C

/* @(#)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 <string.h>
#include <rpc/rpc.h>
static bool_t xdrmem_getlong (XDR *, long *);
static bool_t xdrmem_putlong (XDR *, const long *);
static bool_t xdrmem_getbytes (XDR *, caddr_t, u_int);
static bool_t xdrmem_putbytes (XDR *, const char *, u_int);
static u_int xdrmem_getpos (const XDR *);
static bool_t xdrmem_setpos (XDR *, u_int);
static long *xdrmem_inline (XDR *, int);
static void xdrmem_destroy (const XDR *);
static const struct xdr_ops xdrmem_ops =
{
xdrmem_getlong,
xdrmem_putlong,
xdrmem_getbytes,
xdrmem_putbytes,
xdrmem_getpos,
xdrmem_setpos,
xdrmem_inline,
xdrmem_destroy
};
/*
* The procedure xdrmem_create initializes a stream descriptor for a
* memory buffer.
*/
void
xdrmem_create (xdrs, addr, size, op)
XDR *xdrs;
const caddr_t addr;
u_int size;
enum xdr_op op;
{
xdrs->x_op = op;
xdrs->x_ops = &xdrmem_ops;
xdrs->x_private = xdrs->x_base = addr;
xdrs->x_handy = size;
}
/*
* Nothing needs to be done for the memory case. The argument is clearly
* const.
*/
static void
xdrmem_destroy (const XDR *xdrs)
{
}
/*
* Gets the next word from the memory referenced by xdrs and places it
* in the long pointed to by lp. It then increments the private word to
* point at the next element. Neither object pointed to is const
*/
static bool_t
xdrmem_getlong (xdrs, lp)
XDR *xdrs;
long *lp;
{
if ((xdrs->x_handy -= 4) < 0)
return FALSE;
*lp = (int32_t) ntohl ((*((int32_t *) (xdrs->x_private))));
xdrs->x_private += 4;
return TRUE;
}
/*
* Puts the long pointed to by lp in the memory referenced by xdrs. It
* then increments the private word to point at the next element. The
* long pointed at is const
*/
static bool_t
xdrmem_putlong (xdrs, lp)
XDR *xdrs;
const long *lp;
{
if ((xdrs->x_handy -= 4) < 0)
return FALSE;
*(int32_t *) xdrs->x_private = htonl (*lp);
xdrs->x_private += 4;
return TRUE;
}
/*
* Gets an unaligned number of bytes from the xdrs structure and writes them
* to the address passed in addr. Be very careful when calling this routine
* as it could leave the xdrs pointing to an unaligned structure which is not
* a good idea. None of the things pointed to are const.
*/
static bool_t
xdrmem_getbytes (xdrs, addr, len)
XDR *xdrs;
caddr_t addr;
u_int len;
{
if ((xdrs->x_handy -= len) < 0)
return FALSE;
bcopy (xdrs->x_private, addr, len);
xdrs->x_private += len;
return TRUE;
}
/*
* The complementary function to the above. The same warnings apply about
* unaligned data. The source address is const.
*/
static bool_t
xdrmem_putbytes (xdrs, addr, len)
XDR *xdrs;
const char *addr;
u_int len;
{
if ((xdrs->x_handy -= len) < 0)
return FALSE;
bcopy (addr, xdrs->x_private, len);
xdrs->x_private += len;
return TRUE;
}
/*
* Not sure what this one does. But it clearly doesn't modify the contents
* of xdrs. **FIXME** does this not assume u_int == u_long?
*/
static u_int
xdrmem_getpos (xdrs)
const XDR *xdrs;
{
return (u_long) xdrs->x_private - (u_long) xdrs->x_base;
}
/*
* xdrs modified
*/
static bool_t
xdrmem_setpos (xdrs, pos)
XDR *xdrs;
u_int pos;
{
caddr_t newaddr = xdrs->x_base + pos;
caddr_t lastaddr = xdrs->x_private + xdrs->x_handy;
if ((long) newaddr > (long) lastaddr)
return FALSE;
xdrs->x_private = newaddr;
xdrs->x_handy = (long) lastaddr - (long) newaddr;
return TRUE;
}
/*
* xdrs modified
*/
static long *
xdrmem_inline (xdrs, len)
XDR *xdrs;
int len;
{
long *buf = 0;
if (xdrs->x_handy >= len)
{
xdrs->x_handy -= len;
buf = (long *) xdrs->x_private;
xdrs->x_private += len;
}
return buf;
}