diff options
Diffstat (limited to 'lib/libc/xdr/xdr_reference.c')
| -rw-r--r-- | lib/libc/xdr/xdr_reference.c | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/lib/libc/xdr/xdr_reference.c b/lib/libc/xdr/xdr_reference.c deleted file mode 100644 index 75607ba..0000000 --- a/lib/libc/xdr/xdr_reference.c +++ /dev/null @@ -1,136 +0,0 @@ -/* - * 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(LIBC_SCCS) && !defined(lint) -/*static char *sccsid = "from: @(#)xdr_reference.c 1.11 87/08/11 SMI";*/ -/*static char *sccsid = "from: @(#)xdr_reference.c 2.1 88/07/29 4.0 RPCSRC";*/ -static char *rcsid = "$Id: xdr_reference.c,v 1.4 1996/12/30 14:07:11 peter Exp $"; -#endif - -/* - * xdr_reference.c, Generic XDR routines impelmentation. - * - * Copyright (C) 1987, Sun Microsystems, Inc. - * - * These are the "non-trivial" xdr primitives used to serialize and de-serialize - * "pointers". 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 indirect pointer - * xdr_reference is for recursively translating a structure that is - * referenced by a pointer inside the structure that is currently being - * translated. pp references a pointer to storage. If *pp is null - * the necessary storage is allocated. - * size is the sizeof the referneced structure. - * proc is the routine to handle the referenced structure. - */ -bool_t -xdr_reference(xdrs, pp, size, proc) - register XDR *xdrs; - caddr_t *pp; /* the pointer to work on */ - u_int size; /* size of the object pointed to */ - xdrproc_t proc; /* xdr routine to handle the object */ -{ - register caddr_t loc = *pp; - register bool_t stat; - - if (loc == NULL) - switch (xdrs->x_op) { - case XDR_FREE: - return (TRUE); - - case XDR_DECODE: - *pp = loc = (caddr_t) mem_alloc(size); - if (loc == NULL) { - (void) fprintf(stderr, - "xdr_reference: out of memory\n"); - return (FALSE); - } - memset(loc, 0, (int)size); - break; - } - - stat = (*proc)(xdrs, loc, LASTUNSIGNED); - - if (xdrs->x_op == XDR_FREE) { - mem_free(loc, size); - *pp = NULL; - } - return (stat); -} - - -/* - * xdr_pointer(): - * - * XDR a pointer to a possibly recursive data structure. This - * differs with xdr_reference in that it can serialize/deserialiaze - * trees correctly. - * - * What's sent is actually a union: - * - * union object_pointer switch (boolean b) { - * case TRUE: object_data data; - * case FALSE: void nothing; - * } - * - * > objpp: Pointer to the pointer to the object. - * > obj_size: size of the object. - * > xdr_obj: routine to XDR an object. - * - */ -bool_t -xdr_pointer(xdrs,objpp,obj_size,xdr_obj) - register XDR *xdrs; - char **objpp; - u_int obj_size; - xdrproc_t xdr_obj; -{ - - bool_t more_data; - - more_data = (*objpp != NULL); - if (! xdr_bool(xdrs,&more_data)) { - return (FALSE); - } - if (! more_data) { - *objpp = NULL; - return (TRUE); - } - return (xdr_reference(xdrs,objpp,obj_size,xdr_obj)); -} |
