xdr.h

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    1 /*
    2  * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
    3  * unrestricted use provided that this legend is included on all tape
    4  * media and as a part of the software program in whole or part.  Users
    5  * may copy or modify Sun RPC without charge, but are not authorized
    6  * to license or distribute it to anyone else except as part of a product or
    7  * program developed by the user.
    8  *
    9  * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
   10  * WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   11  * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
   12  *
   13  * Sun RPC is provided with no support and without any obligation on the
   14  * part of Sun Microsystems, Inc. to assist in its use, correction,
   15  * modification or enhancement.
   16  *
   17  * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
   18  * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
   19  * OR ANY PART THEREOF.
   20  *
   21  * In no event will Sun Microsystems, Inc. be liable for any lost revenue
   22  * or profits or other special, indirect and consequential damages, even if
   23  * Sun has been advised of the possibility of such damages.
   24  *
   25  * Sun Microsystems, Inc.
   26  * 2550 Garcia Avenue
   27  * Mountain View, California  94043
   28  */
   29 
   30 #ifndef _OPENSOLARIS_RPC_XDR_H_
   31 #define _OPENSOLARIS_RPC_XDR_H_
   32 
   33 #include <rpc/types.h>
   34 #include_next <rpc/xdr.h>
   35 
   36 #if !defined(_KERNEL) && !defined(_STANDALONE)
   37 
   38 #include <assert.h>
   39 
   40 /*
   41  * Taken from sys/xdr/xdr_mem.c.
   42  *
   43  * FreeBSD's userland XDR doesn't implement control method (only the kernel),
   44  * but OpenSolaris nvpair still depend on it, so we have to implement it here.
   45  */
   46 static __inline bool_t
   47 xdrmem_control(XDR *xdrs, int request, void *info)
   48 {
   49         xdr_bytesrec *xptr;
   50 
   51         switch (request) {
   52         case XDR_GET_BYTES_AVAIL:
   53                 xptr = (xdr_bytesrec *)info;
   54                 xptr->xc_is_last_record = TRUE;
   55                 xptr->xc_num_avail = xdrs->x_handy;
   56                 return (TRUE);
   57         default:
   58                 assert(!"unexpected request");
   59         }
   60         return (FALSE);
   61 }
   62 
   63 #undef XDR_CONTROL
   64 #define XDR_CONTROL(xdrs, req, op)                                      \
   65         (((xdrs)->x_ops->x_control == NULL) ?                           \
   66             xdrmem_control((xdrs), (req), (op)) :                       \
   67             (*(xdrs)->x_ops->x_control)(xdrs, req, op))
   68 
   69 #endif  /* !_KERNEL && !_STANDALONE */
   70 
   71 #endif  /* !_OPENSOLARIS_RPC_XDR_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/contrib/openzfs/include/os/freebsd/spl/rpc/xdr.h

FreeBSD/Linux Kernel Cross Reference
sys/contrib/openzfs/include/os/freebsd/spl/rpc/xdr.h