/*************************************************************************** * * File Name: xdrmem.c * * Copyright (C) 1993-1996 Hewlett-Packard Company. * All rights reserved. * * 11311 Chinden Blvd. * Boise, Idaho 83714 * * This is a part of the HP JetAdmin Printer Utility * * This source code is only intended as a supplement for support and * localization of HP JetAdmin by 3rd party Operating System vendors. * Modification of source code cannot be made without the express written * consent of Hewlett-Packard. * * * Description: * * Author: Name * * * Modification history: * * date initials change description * * mm-dd-yy MJB * * * * * * ***************************************************************************/ #include "rpsyshdr.h" #include "rpcxdr.h" #include "xdrext.h" /* * .unsupp/sys/_ became sxu * machine/ became sxm * sys/ became sx * arpa/ became sx * netinet/ became sx * net/ became sx * rpc/ became * auth_ became aut * auth became aut * clnt_ became clnt * nfsv3_ became nfs * nfsv3 became nfs * getrpc became gr * pmap_ became pmap * rpc_ became rpc * svc_ became svc * unix_ became ux * unix became ux * xdr_ became xdr * reference became rf * commondata became cd * tablesize became tsz * get_myaddress became gmyad * bindresvport became brvp * generic became gnc * getmaps became map * getport became port * _prot became pro * prot became pro * simple became simp * callmsg became call * error became err * stdsyms became syms * socket became sock * sysmacros became macs * if_arp became ifarp * errno became ern * ioctl became ioct * signal became sig * param became parm * types became typs */ /* * 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 or with the express written consent of * Sun Microsystems, Inc. * * 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 */ /* * 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. * */ #ifdef MANUAL_STATIC_VAR_INIT static struct xdr_ops ops; #endif /* MANUAL_STATIC_VAR_INIT */ static struct xdr_ops *xdrmem_ops(); /* * Meaning of the private areas of the xdr struct for xdr_mem * x_base : Base from where the xdr stream starts * x_private : The current position of the stream. * x_handy : The size of the stream buffer. */ /* * The procedure xdrmem_create initializes a stream descriptor for a * memory buffer. */ void xdrmem_create(register XDR *xdrs, caddr_t addr, uint32 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; } static void xdrmem_destroy( /*XDR *xdrs*/ ) { } static bool_t xdrmem_getlong(register XDR *xdrs, long *lp) { if ((xdrs->x_handy -= sizeof(long)) < 0) return (FALSE); *lp = (long)ntohl((u_long)(*((long *)(xdrs->x_private)))); xdrs->x_private += sizeof(long); return (TRUE); } static bool_t xdrmem_putlong(register XDR *xdrs, long *lp) { if ((xdrs->x_handy -= sizeof(long)) < 0) return (FALSE); *(long *)xdrs->x_private = (long)htonl((u_long)(*lp)); xdrs->x_private += sizeof(long); return (TRUE); } static bool_t xdrmem_getbytes(register XDR *xdrs, caddr_t addr, register u_int len) { if ((xdrs->x_handy -= len) < 0) return (FALSE); (void) memcpy(addr, xdrs->x_private, len); xdrs->x_private += len; return (TRUE); } static bool_t xdrmem_putbytes(register XDR *xdrs, caddr_t addr, register u_int len) { if ((xdrs->x_handy -= len) < 0) return (FALSE); (void) memcpy(xdrs->x_private, addr, len); xdrs->x_private += len; return (TRUE); } static uint32 xdrmem_getpos(register XDR *xdrs) { return ((uint32)xdrs->x_private - (uint32)xdrs->x_base); } static bool_t xdrmem_setpos(register XDR *xdrs, u_int pos) { register caddr_t newaddr = xdrs->x_base + pos; register caddr_t lastaddr = xdrs->x_private + xdrs->x_handy; if ((long)newaddr > (long)lastaddr) return (FALSE); xdrs->x_private = newaddr; xdrs->x_handy = (uint32)lastaddr - (uint32)newaddr; return (TRUE); } static long * xdrmem_inline(register XDR *xdrs, u_int len) { long *buf = 0; if ((xdrs->x_handy >= 0) &&(xdrs->x_handy >= (sint32)len)) { xdrs->x_handy -= len; buf = (long *) xdrs->x_private; xdrs->x_private += len; } return (buf); } #ifdef MANUAL_STATIC_VAR_INIT /*********************************************************** * * Function Name: xdrmem_ops_init() * * This function initializes the static struct xdr_ops, ops. * IT MUST BE RUN AT SYSTEM STARTUP!!!! * ***********************************************************/ void xdrmem_ops_init(void) { memset(&ops, 0, sizeof(struct xdr_ops)); } #endif /* MANUAL_STATIC_VAR_INIT */ static struct xdr_ops * xdrmem_ops() { #ifndef MANUAL_STATIC_VAR_INIT static struct xdr_ops ops; #endif /* not MANUAL_STATIC_VAR_INIT */ if (ops.x_getlong == NULL) { ops.x_getlong = xdrmem_getlong; ops.x_putlong = xdrmem_putlong; 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; } return (&ops); }