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Our libc doesn't implement control method for XDR (only kernel does) and it

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will always return failure. Fix this by bringing userland implementation of
xdrmem_control() back. This allow 'zpool import' to work again.

Reported by:	Thomas Backman <serenity@exscape.org>
Reviewed by:	kmacy
Approved by:	re (kib)
This commit is contained in:
Pawel Jakub Dawidek 2009-08-20 00:05:29 +00:00
parent 23d827ef05
commit 35ae9291c2
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=196395
1 changed files with 70 additions and 0 deletions
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70
sys/cddl/compat/opensolaris/rpc/xdr.h Normal file
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/*
* 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
*/
#ifndef _OPENSOLARIS_RPC_XDR_H_
#define _OPENSOLARIS_RPC_XDR_H_
#include_next <rpc/xdr.h>
#ifndef _KERNEL
#include <assert.h>
/*
* Taken from sys/xdr/xdr_mem.c.
*
* FreeBSD's userland XDR doesn't implement control method (only the kernel),
* but OpenSolaris nvpair still depend on it, so we have to implement it here.
*/
static __inline bool_t
xdrmem_control(XDR *xdrs, int request, void *info)
{
xdr_bytesrec *xptr;
switch (request) {
case XDR_GET_BYTES_AVAIL:
xptr = (xdr_bytesrec *)info;
xptr->xc_is_last_record = TRUE;
xptr->xc_num_avail = xdrs->x_handy;
return (TRUE);
default:
assert(!"unexpected request");
}
return (FALSE);
}
#undef XDR_CONTROL
#define XDR_CONTROL(xdrs, req, op) \
(((xdrs)->x_ops->x_control == NULL) ? \
xdrmem_control((xdrs), (req), (op)) : \
(*(xdrs)->x_ops->x_control)(xdrs, req, op))
#endif /* !_KERNEL */
#endif /* !_OPENSOLARIS_RPC_XDR_H_ */