1   0 ľ File not found. +lY>?JqA3q.4꘴o ]}_I|+./* @(#)xdr.h 2.2 88/07/29 4.0 RPCSRC */ /* * Copyright (c) 2010, Oracle America, Inc. * * All rights reserved. * * 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. */ /* @(#)xdr.h 1.19 87/04/22 SMI */ /* * xdr.h, External Data Representation Serialization Routines. */ #ifndef GSSRPC_XDR_H #define GSSRPC_XDR_H #include /* for FILE */ GSSRPC__BEGIN_DECLS /* * XDR provides a conventional way for converting between C data * types and an external bit-string representation. Library supplied * routines provide for the conversion on built-in C data types. These * routines and utility routines defined here are used to help implement * a type encode/decode routine for each user-defined type. * * Each data type provides a single procedure which takes two arguments: * * bool_t * xdrproc(xdrs, argresp) * XDR *xdrs; * *argresp; * * xdrs is an instance of a XDR handle, to which or from which the data * type is to be converted. argresp is a pointer to the structure to be * converted. The XDR handle contains an operation field which indicates * which of the operations (ENCODE, DECODE * or FREE) is to be performed. * * XDR_DECODE may allocate space if the pointer argresp is null. This * data can be freed with the XDR_FREE operation. * * We write only one procedure per data type to make it easy * to keep the encode and decode procedures for a data type consistent. * In many cases the same code performs all operations on a user defined type, * because all the hard work is done in the component type routines. * decode as a series of calls on the nested data types. */ /* * Xdr operations. XDR_ENCODE causes the type to be encoded into the * stream. XDR_DECODE causes the type to be extracted from the stream. * XDR_FREE can be used to release the space allocated by an XDR_DECODE * request. */ enum xdr_op { XDR_ENCODE=0, XDR_DECODE=1, XDR_FREE=2 }; /* * This is the number of bytes per unit of external data. */ #define BYTES_PER_XDR_UNIT (4) #define RNDUP(x) ((((x) + BYTES_PER_XDR_UNIT - 1) / BYTES_PER_XDR_UNIT) \ * BYTES_PER_XDR_UNIT) /* * A xdrproc_t exists for each data type which is to be encoded or decoded. * * The second argument to the xdrproc_t is a pointer to an opaque pointer. * The opaque pointer generally points to a structure of the data type * to be decoded. If this pointer is 0, then the type routines should * allocate dynamic storage of the a