+++ /dev/null
-/* @(#)xdr_array.c 2.1 88/07/29 4.0 RPCSRC */
-/*
- * 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.
- *
- * 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
- */
-#if !defined(lint) && defined(SCCSIDS)
-static char sccsid[] = "@(#)xdr_array.c 1.10 87/08/11 Copyr 1984 Sun Micro";
-#endif
-
-/*
- * 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 <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <rpc/types.h>
-#include <rpc/xdr.h>
-
-#define LASTUNSIGNED ((u_int)0-1)
-
-
-/*
- * 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_t
-xdr_array(xdrs, addrp, sizep, maxsize, elsize, elproc)
- register 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 */
-{
- register u_int i;
- register caddr_t target = *addrp;
- register u_int c; /* the actual element count */
- register bool_t stat = TRUE;
- register u_int nodesize;
-
- /* like strings, arrays are really counted arrays */
- if (! xdr_u_int(xdrs, sizep)) {
- return (FALSE);
- }
- c = *sizep;
- if ((c > maxsize) && (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_ENCODE: break; /* keep gcc happy */
- case XDR_DECODE:
- if (c == 0)
- return (TRUE);
- *addrp = target = mem_alloc(nodesize);
- if (target == NULL) {
- (void) fprintf(stderr,
- "xdr_array: out of memory\n");
- return (FALSE);
- }
- memset (target, 0, nodesize);
- break;
-
- case XDR_FREE:
- return (TRUE);
- }
-
- /*
- * now we xdr each element of array
- */
- for (i = 0; (i < c) && stat; i++) {
- stat = (*elproc)(xdrs, target, LASTUNSIGNED);
- 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_t
-xdr_vector(xdrs, basep, nelem, elemsize, xdr_elem)
- register XDR *xdrs;
- register char *basep;
- register u_int nelem;
- register u_int elemsize;
- register xdrproc_t xdr_elem;
-{
- register u_int i;
- register char *elptr;
-
- elptr = basep;
- for (i = 0; i < nelem; i++) {
- if (! (*xdr_elem)(xdrs, elptr, LASTUNSIGNED)) {
- return(FALSE);
- }
- elptr += elemsize;
- }
- return(TRUE);
-}
-
git.annexia.org / portablexdr.git / blobdiff