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Reactos
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/* * Copyright (c) 2009, Sun Microsystems, 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 Sun Microsystems, 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. */
//#include <sys/cdefs.h>
/* * xdr_array.c, Generic XDR routines impelmentation. * * Copyright (C) 1984, Sun Microsystems, Inc. * * These are the "non-trivial" xdr primitives used to serialize and de-serialize * arrays. See xdr.h for more info on the interface to xdr. */
#include <wintirpc.h>#include "namespace.h"//#include <err.h>//#include <limits.h>#include <stdio.h>#include <stdlib.h>#include <string.h>
#include <rpc/types.h>#include <rpc/xdr.h>#include "un-namespace.h"
/* * XDR an array of arbitrary elements * *addrp is a pointer to the array, *sizep is the number of elements. * If addrp is NULL (*sizep * elsize) bytes are allocated. * elsize is the size (in bytes) of each element, and elproc is the * xdr procedure to call to handle each element of the array. */bool_txdr_array(xdrs, addrp, sizep, maxsize, elsize, elproc) XDR *xdrs; caddr_t *addrp; /* array pointer */ u_int *sizep; /* number of elements */ u_int maxsize; /* max numberof elements */ u_int elsize; /* size in bytes of each element */ xdrproc_t elproc; /* xdr routine to handle each element */{ u_int i; caddr_t target = *addrp; u_int c; /* the actual element count */ bool_t stat = TRUE; u_int nodesize;
/* like strings, arrays are really counted arrays */ if (!xdr_u_int(xdrs, sizep)) { return (FALSE); } c = *sizep; if ((c > maxsize || UINT_MAX/elsize < c) && (xdrs->x_op != XDR_FREE)) { return (FALSE); } nodesize = c * elsize;
/* * if we are deserializing, we may need to allocate an array. * We also save time by checking for a null array if we are freeing. */ if (target == NULL) switch (xdrs->x_op) { case XDR_DECODE: if (c == 0) return (TRUE); *addrp = target = mem_alloc(nodesize); if (target == NULL) { //warnx("xdr_array: out of memory"); return (FALSE); } memset(target, 0, nodesize); break;
case XDR_FREE: return (TRUE);
case XDR_ENCODE: break; } /* * now we xdr each element of array */ for (i = 0; (i < c) && stat; i++) { stat = (*elproc)(xdrs, target); target += elsize; }
/* * the array may need freeing */ if (xdrs->x_op == XDR_FREE) { mem_free(*addrp, nodesize); *addrp = NULL; } return (stat);}
/* * xdr_vector(): * * XDR a fixed length array. Unlike variable-length arrays, * the storage of fixed length arrays is static and unfreeable. * > basep: base of the array * > size: size of the array * > elemsize: size of each element * > xdr_elem: routine to XDR each element */bool_txdr_vector(xdrs, basep, nelem, elemsize, xdr_elem) XDR *xdrs; char *basep; u_int nelem; u_int elemsize; xdrproc_t xdr_elem; { u_int i; char *elptr;
elptr = basep; for (i = 0; i < nelem; i++) { if (!(*xdr_elem)(xdrs, elptr)) { return(FALSE); } elptr += elemsize; } return(TRUE); }