diff options
Diffstat (limited to 'sys/contrib/opensolaris/uts/common/rpc/xdr_mem.c')
-rw-r--r-- | sys/contrib/opensolaris/uts/common/rpc/xdr_mem.c | 209 |
1 files changed, 0 insertions, 209 deletions
diff --git a/sys/contrib/opensolaris/uts/common/rpc/xdr_mem.c b/sys/contrib/opensolaris/uts/common/rpc/xdr_mem.c deleted file mode 100644 index 32ff32daaa07f..0000000000000 --- a/sys/contrib/opensolaris/uts/common/rpc/xdr_mem.c +++ /dev/null @@ -1,209 +0,0 @@ -/* - * CDDL HEADER START - * - * The contents of this file are subject to the terms of the - * Common Development and Distribution License, Version 1.0 only - * (the "License"). You may not use this file except in compliance - * with the License. - * - * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE - * or http://www.opensolaris.org/os/licensing. - * See the License for the specific language governing permissions - * and limitations under the License. - * - * When distributing Covered Code, include this CDDL HEADER in each - * file and include the License file at usr/src/OPENSOLARIS.LICENSE. - * If applicable, add the following below this CDDL HEADER, with the - * fields enclosed by brackets "[]" replaced with your own identifying - * information: Portions Copyright [yyyy] [name of copyright owner] - * - * CDDL HEADER END - */ -/* - * Copyright 2005 Sun Microsystems, Inc. All rights reserved. - * Use is subject to license terms. - */ - -/* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ -/* All Rights Reserved */ - -/* - * Portions of this source code were derived from Berkeley 4.3 BSD - * under license from the Regents of the University of California. - */ - -#pragma ident "%Z%%M% %I% %E% SMI" - -/* - * xdr_mem.c, XDR implementation using memory buffers. - * - * 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 <sys/param.h> -#include <sys/types.h> -#include <sys/systm.h> - -#include <rpc/types.h> -#include <rpc/xdr.h> - -static struct xdr_ops *xdrmem_ops(void); - -/* - * The procedure xdrmem_create initializes a stream descriptor for a - * memory buffer. - */ -void -xdrmem_create(XDR *xdrs, caddr_t addr, uint_t 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; - xdrs->x_public = NULL; -} - -/* ARGSUSED */ -static void -xdrmem_destroy(XDR *xdrs) -{ -} - -static bool_t -xdrmem_getint32(XDR *xdrs, int32_t *int32p) -{ - if ((xdrs->x_handy -= (int)sizeof (int32_t)) < 0) - return (FALSE); - /* LINTED pointer alignment */ - *int32p = (int32_t)ntohl((uint32_t)(*((int32_t *)(xdrs->x_private)))); - xdrs->x_private += sizeof (int32_t); - return (TRUE); -} - -static bool_t -xdrmem_putint32(XDR *xdrs, int32_t *int32p) -{ - if ((xdrs->x_handy -= (int)sizeof (int32_t)) < 0) - return (FALSE); - /* LINTED pointer alignment */ - *(int32_t *)xdrs->x_private = (int32_t)htonl((uint32_t)(*int32p)); - xdrs->x_private += sizeof (int32_t); - return (TRUE); -} - -static bool_t -xdrmem_getbytes(XDR *xdrs, caddr_t addr, int len) -{ - if ((xdrs->x_handy -= len) < 0) - return (FALSE); - bcopy(xdrs->x_private, addr, len); - xdrs->x_private += len; - return (TRUE); -} - -static bool_t -xdrmem_putbytes(XDR *xdrs, caddr_t addr, int len) -{ - if ((xdrs->x_handy -= len) < 0) - return (FALSE); - bcopy(addr, xdrs->x_private, len); - xdrs->x_private += len; - return (TRUE); -} - -static uint_t -xdrmem_getpos(XDR *xdrs) -{ - return ((uint_t)((uintptr_t)xdrs->x_private - (uintptr_t)xdrs->x_base)); -} - -static bool_t -xdrmem_setpos(XDR *xdrs, uint_t pos) -{ - caddr_t newaddr = xdrs->x_base + pos; - caddr_t lastaddr = xdrs->x_private + xdrs->x_handy; - ptrdiff_t diff; - - if (newaddr > lastaddr) - return (FALSE); - xdrs->x_private = newaddr; - diff = lastaddr - newaddr; - xdrs->x_handy = (int)diff; - return (TRUE); -} - -static rpc_inline_t * -xdrmem_inline(XDR *xdrs, int len) -{ - rpc_inline_t *buf = NULL; - - if (xdrs->x_handy >= len) { - xdrs->x_handy -= len; - /* LINTED pointer alignment */ - buf = (rpc_inline_t *)xdrs->x_private; - xdrs->x_private += len; - } - return (buf); -} - -static bool_t -xdrmem_control(XDR *xdrs, int request, void *info) -{ - xdr_bytesrec *xptr; - int32_t *int32p; - int len; - - switch (request) { - - case XDR_GET_BYTES_AVAIL: - xptr = (xdr_bytesrec *)info; - xptr->xc_is_last_record = TRUE; - xptr->xc_num_avail = xdrs->x_handy; - return (TRUE); - - case XDR_PEEK: - /* - * Return the next 4 byte unit in the XDR stream. - */ - if (xdrs->x_handy < sizeof (int32_t)) - return (FALSE); - int32p = (int32_t *)info; - *int32p = (int32_t)ntohl((uint32_t) - (*((int32_t *)(xdrs->x_private)))); - return (TRUE); - - case XDR_SKIPBYTES: - /* - * Skip the next N bytes in the XDR stream. - */ - int32p = (int32_t *)info; - len = RNDUP((int)(*int32p)); - if ((xdrs->x_handy -= len) < 0) - return (FALSE); - xdrs->x_private += len; - return (TRUE); - - } - return (FALSE); -} - -static struct xdr_ops * -xdrmem_ops(void) -{ - static struct xdr_ops ops; - - if (ops.x_getint32 == NULL) { - ops.x_getbytes = xdrmem_getbytes; - ops.x_putbytes = xdrmem_putbytes; - ops.x_getpostn = xdrmem_getpos; - ops.x_setpostn = xdrmem_setpos; - ops.x_inline = xdrmem_inline; - ops.x_destroy = xdrmem_destroy; - ops.x_control = xdrmem_control; - ops.x_getint32 = xdrmem_getint32; - ops.x_putint32 = xdrmem_putint32; - } - return (&ops); -} |