diff options
Diffstat (limited to 'sunrpc/xdr_mem.c')
| -rw-r--r-- | sunrpc/xdr_mem.c | 239 |
1 files changed, 0 insertions, 239 deletions
diff --git a/sunrpc/xdr_mem.c b/sunrpc/xdr_mem.c deleted file mode 100644 index 46a1f6f190..0000000000 --- a/sunrpc/xdr_mem.c +++ /dev/null @@ -1,239 +0,0 @@ -/* - * xdr_mem.c, XDR implementation using memory buffers. - * - * Copyright (c) 2010, Oracle America, Inc. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following - * disclaimer in the documentation and/or other materials - * provided with the distribution. - * * Neither the name of the "Oracle America, Inc." nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, - * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE - * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * 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 <limits.h> -#include <rpc/rpc.h> -#include <shlib-compat.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 int32_t *xdrmem_inline (XDR *, u_int); -static void xdrmem_destroy (XDR *); -static bool_t xdrmem_getint32 (XDR *, int32_t *); -static bool_t xdrmem_putint32 (XDR *, const int32_t *); - -static const struct xdr_ops xdrmem_ops = -{ - xdrmem_getlong, - xdrmem_putlong, - xdrmem_getbytes, - xdrmem_putbytes, - xdrmem_getpos, - xdrmem_setpos, - xdrmem_inline, - xdrmem_destroy, - xdrmem_getint32, - xdrmem_putint32 -}; - -/* - * The procedure xdrmem_create initializes a stream descriptor for a - * memory buffer. - */ -void -xdrmem_create (XDR *xdrs, const caddr_t addr, u_int size, enum xdr_op op) -{ - xdrs->x_op = op; - /* We have to add the const since the `struct xdr_ops' in `struct XDR' - is not `const'. */ - xdrs->x_ops = (struct xdr_ops *) &xdrmem_ops; - xdrs->x_private = xdrs->x_base = addr; - xdrs->x_handy = size; -} -#ifdef EXPORT_RPC_SYMBOLS -libc_hidden_def (xdrmem_create) -#else -libc_hidden_nolink_sunrpc (xdrmem_create, GLIBC_2_0) -#endif - -/* - * Nothing needs to be done for the memory case. The argument is clearly - * const. - */ - -static void -xdrmem_destroy (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 (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; -} - -/* - * 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 (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; -} - -/* - * 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 (XDR *xdrs, caddr_t addr, u_int len) -{ - if (xdrs->x_handy < len) - return FALSE; - xdrs->x_handy -= len; - memcpy (addr, xdrs->x_private, 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 (XDR *xdrs, const char *addr, u_int len) -{ - if (xdrs->x_handy < len) - return FALSE; - xdrs->x_handy -= len; - memcpy (xdrs->x_private, addr, 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 (const XDR *xdrs) -{ - return (u_long) xdrs->x_private - (u_long) xdrs->x_base; -} - -/* - * xdrs modified - */ -static bool_t -xdrmem_setpos (XDR *xdrs, u_int pos) -{ - caddr_t newaddr = xdrs->x_base + pos; - caddr_t lastaddr = xdrs->x_private + xdrs->x_handy; - size_t handy = lastaddr - newaddr; - - if (newaddr > lastaddr - || newaddr < xdrs->x_base - || handy != (u_int) handy) - return FALSE; - - xdrs->x_private = newaddr; - xdrs->x_handy = (u_int) handy; - return TRUE; -} - -/* - * xdrs modified - */ -static int32_t * -xdrmem_inline (XDR *xdrs, u_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; -} - -/* - * Gets the next word from the memory referenced by xdrs and places it - * in the int pointed to by ip. It then increments the private word to - * point at the next element. Neither object pointed to is const - */ -static bool_t -xdrmem_getint32 (XDR *xdrs, int32_t *ip) -{ - if (xdrs->x_handy < 4) - return FALSE; - xdrs->x_handy -= 4; - *ip = 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_putint32 (XDR *xdrs, const int32_t *ip) -{ - if (xdrs->x_handy < 4) - return FALSE; - xdrs->x_handy -= 4; - *(int32_t *) xdrs->x_private = htonl (*ip); - xdrs->x_private += 4; - return TRUE; -} |