sys/rpc/xdr.h

44  * XDR provides a conventional way for converting between C data
54  *		XDR *xdrs;
57  * xdrs is an instance of a XDR handle, to which or from which the data
59  * converted.  The XDR handle contains an operation field which indicates
92  * The XDR handle.
97 typedef struct XDR {
101 		bool_t	(*x_getlong)(struct XDR *, long *);
103 		bool_t	(*x_putlong)(struct XDR *, const long *);
105 		bool_t	(*x_getbytes)(struct XDR *, char *, u_int);
107 		bool_t	(*x_putbytes)(struct XDR *, const char *, u_int);
109 		u_int	(*x_getpostn)(struct XDR *);
111 		bool_t  (*x_setpostn)(struct XDR *, u_int);
113 		int32_t *(*x_inline)(struct XDR *, u_int);
115 		void	(*x_destroy)(struct XDR *);
116 		bool_t	(*x_control)(struct XDR *, int, void *);
122 } XDR;
133 typedef	bool_t (*xdrproc_t)(XDR *, void *, ...);
138 typedef	bool_t (*xdrproc_t)(XDR *, ...);
142  * Operations defined on a XDR handle
144  * XDR		*xdrs;
161 xdr_getint32(XDR *xdrs, int32_t *ip)
172 xdr_putint32(XDR *xdrs, int32_t *ip)
289 extern bool_t	xdr_int(XDR *, int *);
290 extern bool_t	xdr_u_int(XDR *, u_int *);
291 extern bool_t	xdr_long(XDR *, long *);
292 extern bool_t	xdr_u_long(XDR *, u_long *);
293 extern bool_t	xdr_short(XDR *, short *);
294 extern bool_t	xdr_u_short(XDR *, u_short *);
295 extern bool_t	xdr_int16_t(XDR *, int16_t *);
296 extern bool_t	xdr_uint16_t(XDR *, uint16_t *);
297 extern bool_t	xdr_int32_t(XDR *, int32_t *);
298 extern bool_t	xdr_uint32_t(XDR *, uint32_t *);
299 extern bool_t	xdr_int64_t(XDR *, int64_t *);
300 extern bool_t	xdr_uint64_t(XDR *, uint64_t *);
301 extern bool_t	xdr_bool(XDR *, bool_t *);
302 extern bool_t	xdr_enum(XDR *, enum_t *);
303 extern bool_t	xdr_array(XDR *, char **, u_int *, u_int, u_int, xdrproc_t);
304 extern bool_t	xdr_bytes(XDR *, char **, u_int *, u_int);
305 extern bool_t	xdr_opaque(XDR *, char *, u_int);
306 extern bool_t	xdr_string(XDR *, char **, u_int);
307 extern bool_t	xdr_union(XDR *, enum_t *, char *, const struct xdr_discrim *, xdrproc_t);
308 extern bool_t	xdr_char(XDR *, char *);
309 extern bool_t	xdr_u_char(XDR *, u_char *);
310 extern bool_t	xdr_vector(XDR *, char *, u_int, u_int, xdrproc_t);
311 extern bool_t	xdr_float(XDR *, float *);
312 extern bool_t	xdr_double(XDR *, double *);
313 extern bool_t	xdr_quadruple(XDR *, long double *);
314 extern bool_t	xdr_reference(XDR *, char **, u_int, xdrproc_t);
315 extern bool_t	xdr_pointer(XDR *, char **, u_int, xdrproc_t);
316 extern bool_t	xdr_wrapstring(XDR *, char **);
318 extern bool_t	xdr_hyper(XDR *, quad_t *);
319 extern bool_t	xdr_u_hyper(XDR *, u_quad_t *);
320 extern bool_t	xdr_longlong_t(XDR *, quad_t *);
321 extern bool_t	xdr_u_longlong_t(XDR *, u_quad_t *);
335 extern bool_t   xdr_netobj(XDR *, struct netobj *);
338  * These are XDR control operators
358 /* XDR using memory buffers */
359 extern void   xdrmem_create(XDR *, char *, u_int, enum xdr_op);
361 /* XDR using mbufs */
363 extern void   xdrmbuf_create(XDR *, struct mbuf *, enum xdr_op);
364 extern void   xdrmbuf_append(XDR *, struct mbuf *);
365 extern struct mbuf * xdrmbuf_getall(XDR *);
367 /* XDR pseudo records for tcp */
368 extern void   xdrrec_create(XDR *, u_int, u_int, void *,
373 extern bool_t xdrrec_endofrecord(XDR *, int);
376 extern bool_t xdrrec_skiprecord(XDR *);
379 extern bool_t xdrrec_eof(XDR *);
380 extern u_int xdrrec_readbytes(XDR *, caddr_t, u_int);