xref: /freebsd/lib/libc/xdr/xdr.c (revision 1e413cf93298b5b97441a21d9a50fdcd0ee9945e)
1 /*	$NetBSD: xdr.c,v 1.22 2000/07/06 03:10:35 christos Exp $	*/
2 
3 /*
4  * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
5  * unrestricted use provided that this legend is included on all tape
6  * media and as a part of the software program in whole or part.  Users
7  * may copy or modify Sun RPC without charge, but are not authorized
8  * to license or distribute it to anyone else except as part of a product or
9  * program developed by the user.
10  *
11  * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
12  * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
13  * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
14  *
15  * Sun RPC is provided with no support and without any obligation on the
16  * part of Sun Microsystems, Inc. to assist in its use, correction,
17  * modification or enhancement.
18  *
19  * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
20  * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
21  * OR ANY PART THEREOF.
22  *
23  * In no event will Sun Microsystems, Inc. be liable for any lost revenue
24  * or profits or other special, indirect and consequential damages, even if
25  * Sun has been advised of the possibility of such damages.
26  *
27  * Sun Microsystems, Inc.
28  * 2550 Garcia Avenue
29  * Mountain View, California  94043
30  */
31 
32 #if defined(LIBC_SCCS) && !defined(lint)
33 static char *sccsid2 = "@(#)xdr.c 1.35 87/08/12";
34 static char *sccsid = "@(#)xdr.c	2.1 88/07/29 4.0 RPCSRC";
35 #endif
36 #include <sys/cdefs.h>
37 __FBSDID("$FreeBSD$");
38 
39 /*
40  * xdr.c, Generic XDR routines implementation.
41  *
42  * Copyright (C) 1986, Sun Microsystems, Inc.
43  *
44  * These are the "generic" xdr routines used to serialize and de-serialize
45  * most common data items.  See xdr.h for more info on the interface to
46  * xdr.
47  */
48 
49 #include "namespace.h"
50 #include <err.h>
51 #include <stdio.h>
52 #include <stdlib.h>
53 #include <string.h>
54 
55 #include <rpc/types.h>
56 #include <rpc/xdr.h>
57 #include "un-namespace.h"
58 
59 typedef quad_t          longlong_t;     /* ANSI long long type */
60 typedef u_quad_t        u_longlong_t;   /* ANSI unsigned long long type */
61 
62 /*
63  * constants specific to the xdr "protocol"
64  */
65 #define XDR_FALSE	((long) 0)
66 #define XDR_TRUE	((long) 1)
67 #define LASTUNSIGNED	((u_int) 0-1)
68 
69 /*
70  * for unit alignment
71  */
72 static const char xdr_zero[BYTES_PER_XDR_UNIT] = { 0, 0, 0, 0 };
73 
74 /*
75  * Free a data structure using XDR
76  * Not a filter, but a convenient utility nonetheless
77  */
78 void
79 xdr_free(proc, objp)
80 	xdrproc_t proc;
81 	void *objp;
82 {
83 	XDR x;
84 
85 	x.x_op = XDR_FREE;
86 	(*proc)(&x, objp);
87 }
88 
89 /*
90  * XDR nothing
91  */
92 bool_t
93 xdr_void(void)
94 {
95 
96 	return (TRUE);
97 }
98 
99 
100 /*
101  * XDR integers
102  */
103 bool_t
104 xdr_int(xdrs, ip)
105 	XDR *xdrs;
106 	int *ip;
107 {
108 	long l;
109 
110 	switch (xdrs->x_op) {
111 
112 	case XDR_ENCODE:
113 		l = (long) *ip;
114 		return (XDR_PUTLONG(xdrs, &l));
115 
116 	case XDR_DECODE:
117 		if (!XDR_GETLONG(xdrs, &l)) {
118 			return (FALSE);
119 		}
120 		*ip = (int) l;
121 		return (TRUE);
122 
123 	case XDR_FREE:
124 		return (TRUE);
125 	}
126 	/* NOTREACHED */
127 	return (FALSE);
128 }
129 
130 /*
131  * XDR unsigned integers
132  */
133 bool_t
134 xdr_u_int(xdrs, up)
135 	XDR *xdrs;
136 	u_int *up;
137 {
138 	u_long l;
139 
140 	switch (xdrs->x_op) {
141 
142 	case XDR_ENCODE:
143 		l = (u_long) *up;
144 		return (XDR_PUTLONG(xdrs, (long *)&l));
145 
146 	case XDR_DECODE:
147 		if (!XDR_GETLONG(xdrs, (long *)&l)) {
148 			return (FALSE);
149 		}
150 		*up = (u_int) l;
151 		return (TRUE);
152 
153 	case XDR_FREE:
154 		return (TRUE);
155 	}
156 	/* NOTREACHED */
157 	return (FALSE);
158 }
159 
160 
161 /*
162  * XDR long integers
163  * same as xdr_u_long - open coded to save a proc call!
164  */
165 bool_t
166 xdr_long(xdrs, lp)
167 	XDR *xdrs;
168 	long *lp;
169 {
170 	switch (xdrs->x_op) {
171 	case XDR_ENCODE:
172 		return (XDR_PUTLONG(xdrs, lp));
173 	case XDR_DECODE:
174 		return (XDR_GETLONG(xdrs, lp));
175 	case XDR_FREE:
176 		return (TRUE);
177 	}
178 	/* NOTREACHED */
179 	return (FALSE);
180 }
181 
182 /*
183  * XDR unsigned long integers
184  * same as xdr_long - open coded to save a proc call!
185  */
186 bool_t
187 xdr_u_long(xdrs, ulp)
188 	XDR *xdrs;
189 	u_long *ulp;
190 {
191 	switch (xdrs->x_op) {
192 	case XDR_ENCODE:
193 		return (XDR_PUTLONG(xdrs, (long *)ulp));
194 	case XDR_DECODE:
195 		return (XDR_GETLONG(xdrs, (long *)ulp));
196 	case XDR_FREE:
197 		return (TRUE);
198 	}
199 	/* NOTREACHED */
200 	return (FALSE);
201 }
202 
203 
204 /*
205  * XDR 32-bit integers
206  * same as xdr_u_int32_t - open coded to save a proc call!
207  */
208 bool_t
209 xdr_int32_t(xdrs, int32_p)
210 	XDR *xdrs;
211 	int32_t *int32_p;
212 {
213 	long l;
214 
215 	switch (xdrs->x_op) {
216 
217 	case XDR_ENCODE:
218 		l = (long) *int32_p;
219 		return (XDR_PUTLONG(xdrs, &l));
220 
221 	case XDR_DECODE:
222 		if (!XDR_GETLONG(xdrs, &l)) {
223 			return (FALSE);
224 		}
225 		*int32_p = (int32_t) l;
226 		return (TRUE);
227 
228 	case XDR_FREE:
229 		return (TRUE);
230 	}
231 	/* NOTREACHED */
232 	return (FALSE);
233 }
234 
235 /*
236  * XDR unsigned 32-bit integers
237  * same as xdr_int32_t - open coded to save a proc call!
238  */
239 bool_t
240 xdr_u_int32_t(xdrs, u_int32_p)
241 	XDR *xdrs;
242 	u_int32_t *u_int32_p;
243 {
244 	u_long l;
245 
246 	switch (xdrs->x_op) {
247 
248 	case XDR_ENCODE:
249 		l = (u_long) *u_int32_p;
250 		return (XDR_PUTLONG(xdrs, (long *)&l));
251 
252 	case XDR_DECODE:
253 		if (!XDR_GETLONG(xdrs, (long *)&l)) {
254 			return (FALSE);
255 		}
256 		*u_int32_p = (u_int32_t) l;
257 		return (TRUE);
258 
259 	case XDR_FREE:
260 		return (TRUE);
261 	}
262 	/* NOTREACHED */
263 	return (FALSE);
264 }
265 
266 
267 /*
268  * XDR short integers
269  */
270 bool_t
271 xdr_short(xdrs, sp)
272 	XDR *xdrs;
273 	short *sp;
274 {
275 	long l;
276 
277 	switch (xdrs->x_op) {
278 
279 	case XDR_ENCODE:
280 		l = (long) *sp;
281 		return (XDR_PUTLONG(xdrs, &l));
282 
283 	case XDR_DECODE:
284 		if (!XDR_GETLONG(xdrs, &l)) {
285 			return (FALSE);
286 		}
287 		*sp = (short) l;
288 		return (TRUE);
289 
290 	case XDR_FREE:
291 		return (TRUE);
292 	}
293 	/* NOTREACHED */
294 	return (FALSE);
295 }
296 
297 /*
298  * XDR unsigned short integers
299  */
300 bool_t
301 xdr_u_short(xdrs, usp)
302 	XDR *xdrs;
303 	u_short *usp;
304 {
305 	u_long l;
306 
307 	switch (xdrs->x_op) {
308 
309 	case XDR_ENCODE:
310 		l = (u_long) *usp;
311 		return (XDR_PUTLONG(xdrs, (long *)&l));
312 
313 	case XDR_DECODE:
314 		if (!XDR_GETLONG(xdrs, (long *)&l)) {
315 			return (FALSE);
316 		}
317 		*usp = (u_short) l;
318 		return (TRUE);
319 
320 	case XDR_FREE:
321 		return (TRUE);
322 	}
323 	/* NOTREACHED */
324 	return (FALSE);
325 }
326 
327 
328 /*
329  * XDR 16-bit integers
330  */
331 bool_t
332 xdr_int16_t(xdrs, int16_p)
333 	XDR *xdrs;
334 	int16_t *int16_p;
335 {
336 	long l;
337 
338 	switch (xdrs->x_op) {
339 
340 	case XDR_ENCODE:
341 		l = (long) *int16_p;
342 		return (XDR_PUTLONG(xdrs, &l));
343 
344 	case XDR_DECODE:
345 		if (!XDR_GETLONG(xdrs, &l)) {
346 			return (FALSE);
347 		}
348 		*int16_p = (int16_t) l;
349 		return (TRUE);
350 
351 	case XDR_FREE:
352 		return (TRUE);
353 	}
354 	/* NOTREACHED */
355 	return (FALSE);
356 }
357 
358 /*
359  * XDR unsigned 16-bit integers
360  */
361 bool_t
362 xdr_u_int16_t(xdrs, u_int16_p)
363 	XDR *xdrs;
364 	u_int16_t *u_int16_p;
365 {
366 	u_long l;
367 
368 	switch (xdrs->x_op) {
369 
370 	case XDR_ENCODE:
371 		l = (u_long) *u_int16_p;
372 		return (XDR_PUTLONG(xdrs, (long *)&l));
373 
374 	case XDR_DECODE:
375 		if (!XDR_GETLONG(xdrs, (long *)&l)) {
376 			return (FALSE);
377 		}
378 		*u_int16_p = (u_int16_t) l;
379 		return (TRUE);
380 
381 	case XDR_FREE:
382 		return (TRUE);
383 	}
384 	/* NOTREACHED */
385 	return (FALSE);
386 }
387 
388 
389 /*
390  * XDR a char
391  */
392 bool_t
393 xdr_char(xdrs, cp)
394 	XDR *xdrs;
395 	char *cp;
396 {
397 	int i;
398 
399 	i = (*cp);
400 	if (!xdr_int(xdrs, &i)) {
401 		return (FALSE);
402 	}
403 	*cp = i;
404 	return (TRUE);
405 }
406 
407 /*
408  * XDR an unsigned char
409  */
410 bool_t
411 xdr_u_char(xdrs, cp)
412 	XDR *xdrs;
413 	u_char *cp;
414 {
415 	u_int u;
416 
417 	u = (*cp);
418 	if (!xdr_u_int(xdrs, &u)) {
419 		return (FALSE);
420 	}
421 	*cp = u;
422 	return (TRUE);
423 }
424 
425 /*
426  * XDR booleans
427  */
428 bool_t
429 xdr_bool(xdrs, bp)
430 	XDR *xdrs;
431 	bool_t *bp;
432 {
433 	long lb;
434 
435 	switch (xdrs->x_op) {
436 
437 	case XDR_ENCODE:
438 		lb = *bp ? XDR_TRUE : XDR_FALSE;
439 		return (XDR_PUTLONG(xdrs, &lb));
440 
441 	case XDR_DECODE:
442 		if (!XDR_GETLONG(xdrs, &lb)) {
443 			return (FALSE);
444 		}
445 		*bp = (lb == XDR_FALSE) ? FALSE : TRUE;
446 		return (TRUE);
447 
448 	case XDR_FREE:
449 		return (TRUE);
450 	}
451 	/* NOTREACHED */
452 	return (FALSE);
453 }
454 
455 /*
456  * XDR enumerations
457  */
458 bool_t
459 xdr_enum(xdrs, ep)
460 	XDR *xdrs;
461 	enum_t *ep;
462 {
463 	enum sizecheck { SIZEVAL };	/* used to find the size of an enum */
464 
465 	/*
466 	 * enums are treated as ints
467 	 */
468 	/* LINTED */ if (sizeof (enum sizecheck) == sizeof (long)) {
469 		return (xdr_long(xdrs, (long *)(void *)ep));
470 	} else /* LINTED */ if (sizeof (enum sizecheck) == sizeof (int)) {
471 		return (xdr_int(xdrs, (int *)(void *)ep));
472 	} else /* LINTED */ if (sizeof (enum sizecheck) == sizeof (short)) {
473 		return (xdr_short(xdrs, (short *)(void *)ep));
474 	} else {
475 		return (FALSE);
476 	}
477 }
478 
479 /*
480  * XDR opaque data
481  * Allows the specification of a fixed size sequence of opaque bytes.
482  * cp points to the opaque object and cnt gives the byte length.
483  */
484 bool_t
485 xdr_opaque(xdrs, cp, cnt)
486 	XDR *xdrs;
487 	caddr_t cp;
488 	u_int cnt;
489 {
490 	u_int rndup;
491 	static int crud[BYTES_PER_XDR_UNIT];
492 
493 	/*
494 	 * if no data we are done
495 	 */
496 	if (cnt == 0)
497 		return (TRUE);
498 
499 	/*
500 	 * round byte count to full xdr units
501 	 */
502 	rndup = cnt % BYTES_PER_XDR_UNIT;
503 	if (rndup > 0)
504 		rndup = BYTES_PER_XDR_UNIT - rndup;
505 
506 	if (xdrs->x_op == XDR_DECODE) {
507 		if (!XDR_GETBYTES(xdrs, cp, cnt)) {
508 			return (FALSE);
509 		}
510 		if (rndup == 0)
511 			return (TRUE);
512 		return (XDR_GETBYTES(xdrs, (caddr_t)(void *)crud, rndup));
513 	}
514 
515 	if (xdrs->x_op == XDR_ENCODE) {
516 		if (!XDR_PUTBYTES(xdrs, cp, cnt)) {
517 			return (FALSE);
518 		}
519 		if (rndup == 0)
520 			return (TRUE);
521 		return (XDR_PUTBYTES(xdrs, xdr_zero, rndup));
522 	}
523 
524 	if (xdrs->x_op == XDR_FREE) {
525 		return (TRUE);
526 	}
527 
528 	return (FALSE);
529 }
530 
531 /*
532  * XDR counted bytes
533  * *cpp is a pointer to the bytes, *sizep is the count.
534  * If *cpp is NULL maxsize bytes are allocated
535  */
536 bool_t
537 xdr_bytes(xdrs, cpp, sizep, maxsize)
538 	XDR *xdrs;
539 	char **cpp;
540 	u_int *sizep;
541 	u_int maxsize;
542 {
543 	char *sp = *cpp;  /* sp is the actual string pointer */
544 	u_int nodesize;
545 
546 	/*
547 	 * first deal with the length since xdr bytes are counted
548 	 */
549 	if (! xdr_u_int(xdrs, sizep)) {
550 		return (FALSE);
551 	}
552 	nodesize = *sizep;
553 	if ((nodesize > maxsize) && (xdrs->x_op != XDR_FREE)) {
554 		return (FALSE);
555 	}
556 
557 	/*
558 	 * now deal with the actual bytes
559 	 */
560 	switch (xdrs->x_op) {
561 
562 	case XDR_DECODE:
563 		if (nodesize == 0) {
564 			return (TRUE);
565 		}
566 		if (sp == NULL) {
567 			*cpp = sp = mem_alloc(nodesize);
568 		}
569 		if (sp == NULL) {
570 			warnx("xdr_bytes: out of memory");
571 			return (FALSE);
572 		}
573 		/* FALLTHROUGH */
574 
575 	case XDR_ENCODE:
576 		return (xdr_opaque(xdrs, sp, nodesize));
577 
578 	case XDR_FREE:
579 		if (sp != NULL) {
580 			mem_free(sp, nodesize);
581 			*cpp = NULL;
582 		}
583 		return (TRUE);
584 	}
585 	/* NOTREACHED */
586 	return (FALSE);
587 }
588 
589 /*
590  * Implemented here due to commonality of the object.
591  */
592 bool_t
593 xdr_netobj(xdrs, np)
594 	XDR *xdrs;
595 	struct netobj *np;
596 {
597 
598 	return (xdr_bytes(xdrs, &np->n_bytes, &np->n_len, MAX_NETOBJ_SZ));
599 }
600 
601 /*
602  * XDR a descriminated union
603  * Support routine for discriminated unions.
604  * You create an array of xdrdiscrim structures, terminated with
605  * an entry with a null procedure pointer.  The routine gets
606  * the discriminant value and then searches the array of xdrdiscrims
607  * looking for that value.  It calls the procedure given in the xdrdiscrim
608  * to handle the discriminant.  If there is no specific routine a default
609  * routine may be called.
610  * If there is no specific or default routine an error is returned.
611  */
612 bool_t
613 xdr_union(xdrs, dscmp, unp, choices, dfault)
614 	XDR *xdrs;
615 	enum_t *dscmp;		/* enum to decide which arm to work on */
616 	char *unp;		/* the union itself */
617 	const struct xdr_discrim *choices;	/* [value, xdr proc] for each arm */
618 	xdrproc_t dfault;	/* default xdr routine */
619 {
620 	enum_t dscm;
621 
622 	/*
623 	 * we deal with the discriminator;  it's an enum
624 	 */
625 	if (! xdr_enum(xdrs, dscmp)) {
626 		return (FALSE);
627 	}
628 	dscm = *dscmp;
629 
630 	/*
631 	 * search choices for a value that matches the discriminator.
632 	 * if we find one, execute the xdr routine for that value.
633 	 */
634 	for (; choices->proc != NULL_xdrproc_t; choices++) {
635 		if (choices->value == dscm)
636 			return ((*(choices->proc))(xdrs, unp));
637 	}
638 
639 	/*
640 	 * no match - execute the default xdr routine if there is one
641 	 */
642 	return ((dfault == NULL_xdrproc_t) ? FALSE :
643 	    (*dfault)(xdrs, unp));
644 }
645 
646 
647 /*
648  * Non-portable xdr primitives.
649  * Care should be taken when moving these routines to new architectures.
650  */
651 
652 
653 /*
654  * XDR null terminated ASCII strings
655  * xdr_string deals with "C strings" - arrays of bytes that are
656  * terminated by a NULL character.  The parameter cpp references a
657  * pointer to storage; If the pointer is null, then the necessary
658  * storage is allocated.  The last parameter is the max allowed length
659  * of the string as specified by a protocol.
660  */
661 bool_t
662 xdr_string(xdrs, cpp, maxsize)
663 	XDR *xdrs;
664 	char **cpp;
665 	u_int maxsize;
666 {
667 	char *sp = *cpp;  /* sp is the actual string pointer */
668 	u_int size;
669 	u_int nodesize;
670 
671 	/*
672 	 * first deal with the length since xdr strings are counted-strings
673 	 */
674 	switch (xdrs->x_op) {
675 	case XDR_FREE:
676 		if (sp == NULL) {
677 			return(TRUE);	/* already free */
678 		}
679 		/* FALLTHROUGH */
680 	case XDR_ENCODE:
681 		size = strlen(sp);
682 		break;
683 	case XDR_DECODE:
684 		break;
685 	}
686 	if (! xdr_u_int(xdrs, &size)) {
687 		return (FALSE);
688 	}
689 	if (size > maxsize) {
690 		return (FALSE);
691 	}
692 	nodesize = size + 1;
693 
694 	/*
695 	 * now deal with the actual bytes
696 	 */
697 	switch (xdrs->x_op) {
698 
699 	case XDR_DECODE:
700 		if (nodesize == 0) {
701 			return (TRUE);
702 		}
703 		if (sp == NULL)
704 			*cpp = sp = mem_alloc(nodesize);
705 		if (sp == NULL) {
706 			warnx("xdr_string: out of memory");
707 			return (FALSE);
708 		}
709 		sp[size] = 0;
710 		/* FALLTHROUGH */
711 
712 	case XDR_ENCODE:
713 		return (xdr_opaque(xdrs, sp, size));
714 
715 	case XDR_FREE:
716 		mem_free(sp, nodesize);
717 		*cpp = NULL;
718 		return (TRUE);
719 	}
720 	/* NOTREACHED */
721 	return (FALSE);
722 }
723 
724 /*
725  * Wrapper for xdr_string that can be called directly from
726  * routines like clnt_call
727  */
728 bool_t
729 xdr_wrapstring(xdrs, cpp)
730 	XDR *xdrs;
731 	char **cpp;
732 {
733 	return xdr_string(xdrs, cpp, LASTUNSIGNED);
734 }
735 
736 /*
737  * NOTE: xdr_hyper(), xdr_u_hyper(), xdr_longlong_t(), and xdr_u_longlong_t()
738  * are in the "non-portable" section because they require that a `long long'
739  * be a 64-bit type.
740  *
741  *	--thorpej@netbsd.org, November 30, 1999
742  */
743 
744 /*
745  * XDR 64-bit integers
746  */
747 bool_t
748 xdr_int64_t(xdrs, llp)
749 	XDR *xdrs;
750 	int64_t *llp;
751 {
752 	u_long ul[2];
753 
754 	switch (xdrs->x_op) {
755 	case XDR_ENCODE:
756 		ul[0] = (u_long)((u_int64_t)*llp >> 32) & 0xffffffff;
757 		ul[1] = (u_long)((u_int64_t)*llp) & 0xffffffff;
758 		if (XDR_PUTLONG(xdrs, (long *)&ul[0]) == FALSE)
759 			return (FALSE);
760 		return (XDR_PUTLONG(xdrs, (long *)&ul[1]));
761 	case XDR_DECODE:
762 		if (XDR_GETLONG(xdrs, (long *)&ul[0]) == FALSE)
763 			return (FALSE);
764 		if (XDR_GETLONG(xdrs, (long *)&ul[1]) == FALSE)
765 			return (FALSE);
766 		*llp = (int64_t)
767 		    (((u_int64_t)ul[0] << 32) | ((u_int64_t)ul[1]));
768 		return (TRUE);
769 	case XDR_FREE:
770 		return (TRUE);
771 	}
772 	/* NOTREACHED */
773 	return (FALSE);
774 }
775 
776 
777 /*
778  * XDR unsigned 64-bit integers
779  */
780 bool_t
781 xdr_u_int64_t(xdrs, ullp)
782 	XDR *xdrs;
783 	u_int64_t *ullp;
784 {
785 	u_long ul[2];
786 
787 	switch (xdrs->x_op) {
788 	case XDR_ENCODE:
789 		ul[0] = (u_long)(*ullp >> 32) & 0xffffffff;
790 		ul[1] = (u_long)(*ullp) & 0xffffffff;
791 		if (XDR_PUTLONG(xdrs, (long *)&ul[0]) == FALSE)
792 			return (FALSE);
793 		return (XDR_PUTLONG(xdrs, (long *)&ul[1]));
794 	case XDR_DECODE:
795 		if (XDR_GETLONG(xdrs, (long *)&ul[0]) == FALSE)
796 			return (FALSE);
797 		if (XDR_GETLONG(xdrs, (long *)&ul[1]) == FALSE)
798 			return (FALSE);
799 		*ullp = (u_int64_t)
800 		    (((u_int64_t)ul[0] << 32) | ((u_int64_t)ul[1]));
801 		return (TRUE);
802 	case XDR_FREE:
803 		return (TRUE);
804 	}
805 	/* NOTREACHED */
806 	return (FALSE);
807 }
808 
809 
810 /*
811  * XDR hypers
812  */
813 bool_t
814 xdr_hyper(xdrs, llp)
815 	XDR *xdrs;
816 	longlong_t *llp;
817 {
818 
819 	/*
820 	 * Don't bother open-coding this; it's a fair amount of code.  Just
821 	 * call xdr_int64_t().
822 	 */
823 	return (xdr_int64_t(xdrs, (int64_t *)llp));
824 }
825 
826 
827 /*
828  * XDR unsigned hypers
829  */
830 bool_t
831 xdr_u_hyper(xdrs, ullp)
832 	XDR *xdrs;
833 	u_longlong_t *ullp;
834 {
835 
836 	/*
837 	 * Don't bother open-coding this; it's a fair amount of code.  Just
838 	 * call xdr_u_int64_t().
839 	 */
840 	return (xdr_u_int64_t(xdrs, (u_int64_t *)ullp));
841 }
842 
843 
844 /*
845  * XDR longlong_t's
846  */
847 bool_t
848 xdr_longlong_t(xdrs, llp)
849 	XDR *xdrs;
850 	longlong_t *llp;
851 {
852 
853 	/*
854 	 * Don't bother open-coding this; it's a fair amount of code.  Just
855 	 * call xdr_int64_t().
856 	 */
857 	return (xdr_int64_t(xdrs, (int64_t *)llp));
858 }
859 
860 
861 /*
862  * XDR u_longlong_t's
863  */
864 bool_t
865 xdr_u_longlong_t(xdrs, ullp)
866 	XDR *xdrs;
867 	u_longlong_t *ullp;
868 {
869 
870 	/*
871 	 * Don't bother open-coding this; it's a fair amount of code.  Just
872 	 * call xdr_u_int64_t().
873 	 */
874 	return (xdr_u_int64_t(xdrs, (u_int64_t *)ullp));
875 }
876