X-Git-Url: http://wagnertech.de/git?a=blobdiff_plain;f=i686-linux-gnu-4.7%2Fusr%2Finclude%2Frpc%2Fxdr.h;fp=i686-linux-gnu-4.7%2Fusr%2Finclude%2Frpc%2Fxdr.h;h=d80d8f735d83a46b0aa0080115c0d58590a51236;hb=94df942c2c7bd3457276fe5b7367623cbb8c1302;hp=0000000000000000000000000000000000000000;hpb=4dd7d9155a920895ff7b1cb6b9c9c676aa62000a;p=cross.git diff --git a/i686-linux-gnu-4.7/usr/include/rpc/xdr.h b/i686-linux-gnu-4.7/usr/include/rpc/xdr.h new file mode 100644 index 0000000..d80d8f7 --- /dev/null +++ b/i686-linux-gnu-4.7/usr/include/rpc/xdr.h @@ -0,0 +1,377 @@ +/* + * xdr.h, External Data Representation Serialization Routines. + * + * Copyright (c) 2010, 2012, Oracle America, Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * * Neither the name of the "Oracle America, Inc." nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _RPC_XDR_H +#define _RPC_XDR_H 1 + +#include +#include +#include + +/* We need FILE. */ +#include + +__BEGIN_DECLS + +/* + * XDR provides a conventional way for converting between C data + * types and an external bit-string representation. Library supplied + * routines provide for the conversion on built-in C data types. These + * routines and utility routines defined here are used to help implement + * a type encode/decode routine for each user-defined type. + * + * Each data type provides a single procedure which takes two arguments: + * + * bool_t + * xdrproc(xdrs, argresp) + * XDR *xdrs; + * *argresp; + * + * xdrs is an instance of a XDR handle, to which or from which the data + * type is to be converted. argresp is a pointer to the structure to be + * converted. The XDR handle contains an operation field which indicates + * which of the operations (ENCODE, DECODE * or FREE) is to be performed. + * + * XDR_DECODE may allocate space if the pointer argresp is null. This + * data can be freed with the XDR_FREE operation. + * + * We write only one procedure per data type to make it easy + * to keep the encode and decode procedures for a data type consistent. + * In many cases the same code performs all operations on a user defined type, + * because all the hard work is done in the component type routines. + * decode as a series of calls on the nested data types. + */ + +/* + * Xdr operations. XDR_ENCODE causes the type to be encoded into the + * stream. XDR_DECODE causes the type to be extracted from the stream. + * XDR_FREE can be used to release the space allocated by an XDR_DECODE + * request. + */ +enum xdr_op { + XDR_ENCODE = 0, + XDR_DECODE = 1, + XDR_FREE = 2 +}; + +/* + * This is the number of bytes per unit of external data. + */ +#define BYTES_PER_XDR_UNIT (4) +/* + * This only works if the above is a power of 2. But it's defined to be + * 4 by the appropriate RFCs. So it will work. And it's normally quicker + * than the old routine. + */ +#if 1 +#define RNDUP(x) (((x) + BYTES_PER_XDR_UNIT - 1) & ~(BYTES_PER_XDR_UNIT - 1)) +#else /* this is the old routine */ +#define RNDUP(x) ((((x) + BYTES_PER_XDR_UNIT - 1) / BYTES_PER_XDR_UNIT) \ + * BYTES_PER_XDR_UNIT) +#endif + +/* + * The XDR handle. + * Contains operation which is being applied to the stream, + * an operations vector for the particular implementation (e.g. see xdr_mem.c), + * and two private fields for the use of the particular implementation. + */ +typedef struct XDR XDR; +struct XDR + { + enum xdr_op x_op; /* operation; fast additional param */ + struct xdr_ops + { + bool_t (*x_getlong) (XDR *__xdrs, long *__lp); + /* get a long from underlying stream */ + bool_t (*x_putlong) (XDR *__xdrs, const long *__lp); + /* put a long to " */ + bool_t (*x_getbytes) (XDR *__xdrs, caddr_t __addr, u_int __len); + /* get some bytes from " */ + bool_t (*x_putbytes) (XDR *__xdrs, const char *__addr, u_int __len); + /* put some bytes to " */ + u_int (*x_getpostn) (const XDR *__xdrs); + /* returns bytes off from beginning */ + bool_t (*x_setpostn) (XDR *__xdrs, u_int __pos); + /* lets you reposition the stream */ + int32_t *(*x_inline) (XDR *__xdrs, u_int __len); + /* buf quick ptr to buffered data */ + void (*x_destroy) (XDR *__xdrs); + /* free privates of this xdr_stream */ + bool_t (*x_getint32) (XDR *__xdrs, int32_t *__ip); + /* get a int from underlying stream */ + bool_t (*x_putint32) (XDR *__xdrs, const int32_t *__ip); + /* put a int to " */ + } + *x_ops; + caddr_t x_public; /* users' data */ + caddr_t x_private; /* pointer to private data */ + caddr_t x_base; /* private used for position info */ + u_int x_handy; /* extra private word */ + }; + +/* + * A xdrproc_t exists for each data type which is to be encoded or decoded. + * + * The second argument to the xdrproc_t is a pointer to an opaque pointer. + * The opaque pointer generally points to a structure of the data type + * to be decoded. If this pointer is 0, then the type routines should + * allocate dynamic storage of the appropriate size and return it. + * bool_t (*xdrproc_t)(XDR *, caddr_t *); + */ +typedef bool_t (*xdrproc_t) (XDR *, void *,...); + + +/* + * Operations defined on a XDR handle + * + * XDR *xdrs; + * int32_t *int32p; + * long *longp; + * caddr_t addr; + * u_int len; + * u_int pos; + */ +#define XDR_GETINT32(xdrs, int32p) \ + (*(xdrs)->x_ops->x_getint32)(xdrs, int32p) +#define xdr_getint32(xdrs, int32p) \ + (*(xdrs)->x_ops->x_getint32)(xdrs, int32p) + +#define XDR_PUTINT32(xdrs, int32p) \ + (*(xdrs)->x_ops->x_putint32)(xdrs, int32p) +#define xdr_putint32(xdrs, int32p) \ + (*(xdrs)->x_ops->x_putint32)(xdrs, int32p) + +#define XDR_GETLONG(xdrs, longp) \ + (*(xdrs)->x_ops->x_getlong)(xdrs, longp) +#define xdr_getlong(xdrs, longp) \ + (*(xdrs)->x_ops->x_getlong)(xdrs, longp) + +#define XDR_PUTLONG(xdrs, longp) \ + (*(xdrs)->x_ops->x_putlong)(xdrs, longp) +#define xdr_putlong(xdrs, longp) \ + (*(xdrs)->x_ops->x_putlong)(xdrs, longp) + +#define XDR_GETBYTES(xdrs, addr, len) \ + (*(xdrs)->x_ops->x_getbytes)(xdrs, addr, len) +#define xdr_getbytes(xdrs, addr, len) \ + (*(xdrs)->x_ops->x_getbytes)(xdrs, addr, len) + +#define XDR_PUTBYTES(xdrs, addr, len) \ + (*(xdrs)->x_ops->x_putbytes)(xdrs, addr, len) +#define xdr_putbytes(xdrs, addr, len) \ + (*(xdrs)->x_ops->x_putbytes)(xdrs, addr, len) + +#define XDR_GETPOS(xdrs) \ + (*(xdrs)->x_ops->x_getpostn)(xdrs) +#define xdr_getpos(xdrs) \ + (*(xdrs)->x_ops->x_getpostn)(xdrs) + +#define XDR_SETPOS(xdrs, pos) \ + (*(xdrs)->x_ops->x_setpostn)(xdrs, pos) +#define xdr_setpos(xdrs, pos) \ + (*(xdrs)->x_ops->x_setpostn)(xdrs, pos) + +#define XDR_INLINE(xdrs, len) \ + (*(xdrs)->x_ops->x_inline)(xdrs, len) +#define xdr_inline(xdrs, len) \ + (*(xdrs)->x_ops->x_inline)(xdrs, len) + +#define XDR_DESTROY(xdrs) \ + do { \ + if ((xdrs)->x_ops->x_destroy) \ + (*(xdrs)->x_ops->x_destroy)(xdrs); \ + } while (0) +#define xdr_destroy(xdrs) \ + do { \ + if ((xdrs)->x_ops->x_destroy) \ + (*(xdrs)->x_ops->x_destroy)(xdrs); \ + } while (0) + +/* + * Support struct for discriminated unions. + * You create an array of xdrdiscrim structures, terminated with + * an entry with a null procedure pointer. The xdr_union routine gets + * the discriminant value and then searches the array of structures + * for a matching value. If a match is found the associated xdr routine + * is called to handle that part of the union. If there is + * no match, then a default routine may be called. + * If there is no match and no default routine it is an error. + */ +#define NULL_xdrproc_t ((xdrproc_t)0) +struct xdr_discrim +{ + int value; + xdrproc_t proc; +}; + +/* + * Inline routines for fast encode/decode of primitive data types. + * Caveat emptor: these use single memory cycles to get the + * data from the underlying buffer, and will fail to operate + * properly if the data is not aligned. The standard way to use these + * is to say: + * if ((buf = XDR_INLINE(xdrs, count)) == NULL) + * return (FALSE); + * <<< macro calls >>> + * where ``count'' is the number of bytes of data occupied + * by the primitive data types. + * + * N.B. and frozen for all time: each data type here uses 4 bytes + * of external representation. + */ + +#define IXDR_GET_INT32(buf) ((int32_t)ntohl((uint32_t)*(buf)++)) +#define IXDR_PUT_INT32(buf, v) (*(buf)++ = (int32_t)htonl((uint32_t)(v))) +#define IXDR_GET_U_INT32(buf) ((uint32_t)IXDR_GET_INT32(buf)) +#define IXDR_PUT_U_INT32(buf, v) IXDR_PUT_INT32(buf, (int32_t)(v)) + +/* WARNING: The IXDR_*_LONG defines are removed by Sun for new platforms + * and shouldn't be used any longer. Code which use this defines or longs + * in the RPC code will not work on 64bit Solaris platforms ! + */ +#define IXDR_GET_LONG(buf) ((long)IXDR_GET_U_INT32(buf)) +#define IXDR_PUT_LONG(buf, v) ((long)IXDR_PUT_INT32(buf, (long)(v))) +#define IXDR_GET_U_LONG(buf) ((u_long)IXDR_GET_LONG(buf)) +#define IXDR_PUT_U_LONG(buf, v) IXDR_PUT_LONG(buf, (long)(v)) + + +#define IXDR_GET_BOOL(buf) ((bool_t)IXDR_GET_LONG(buf)) +#define IXDR_GET_ENUM(buf, t) ((t)IXDR_GET_LONG(buf)) +#define IXDR_GET_SHORT(buf) ((short)IXDR_GET_LONG(buf)) +#define IXDR_GET_U_SHORT(buf) ((u_short)IXDR_GET_LONG(buf)) + +#define IXDR_PUT_BOOL(buf, v) IXDR_PUT_LONG(buf, (long)(v)) +#define IXDR_PUT_ENUM(buf, v) IXDR_PUT_LONG(buf, (long)(v)) +#define IXDR_PUT_SHORT(buf, v) IXDR_PUT_LONG(buf, (long)(v)) +#define IXDR_PUT_U_SHORT(buf, v) IXDR_PUT_LONG(buf, (long)(v)) + +/* + * These are the "generic" xdr routines. + * None of these can have const applied because it's not possible to + * know whether the call is a read or a write to the passed parameter + * also, the XDR structure is always updated by some of these calls. + */ +extern bool_t xdr_void (void) __THROW; +extern bool_t xdr_short (XDR *__xdrs, short *__sp) __THROW; +extern bool_t xdr_u_short (XDR *__xdrs, u_short *__usp) __THROW; +extern bool_t xdr_int (XDR *__xdrs, int *__ip) __THROW; +extern bool_t xdr_u_int (XDR *__xdrs, u_int *__up) __THROW; +extern bool_t xdr_long (XDR *__xdrs, long *__lp) __THROW; +extern bool_t xdr_u_long (XDR *__xdrs, u_long *__ulp) __THROW; +extern bool_t xdr_hyper (XDR *__xdrs, quad_t *__llp) __THROW; +extern bool_t xdr_u_hyper (XDR *__xdrs, u_quad_t *__ullp) __THROW; +extern bool_t xdr_longlong_t (XDR *__xdrs, quad_t *__llp) __THROW; +extern bool_t xdr_u_longlong_t (XDR *__xdrs, u_quad_t *__ullp) __THROW; +extern bool_t xdr_int8_t (XDR *__xdrs, int8_t *__ip) __THROW; +extern bool_t xdr_uint8_t (XDR *__xdrs, uint8_t *__up) __THROW; +extern bool_t xdr_int16_t (XDR *__xdrs, int16_t *__ip) __THROW; +extern bool_t xdr_uint16_t (XDR *__xdrs, uint16_t *__up) __THROW; +extern bool_t xdr_int32_t (XDR *__xdrs, int32_t *__ip) __THROW; +extern bool_t xdr_uint32_t (XDR *__xdrs, uint32_t *__up) __THROW; +extern bool_t xdr_int64_t (XDR *__xdrs, int64_t *__ip) __THROW; +extern bool_t xdr_uint64_t (XDR *__xdrs, uint64_t *__up) __THROW; +extern bool_t xdr_quad_t (XDR *__xdrs, quad_t *__ip) __THROW; +extern bool_t xdr_u_quad_t (XDR *__xdrs, u_quad_t *__up) __THROW; +extern bool_t xdr_bool (XDR *__xdrs, bool_t *__bp) __THROW; +extern bool_t xdr_enum (XDR *__xdrs, enum_t *__ep) __THROW; +extern bool_t xdr_array (XDR * _xdrs, caddr_t *__addrp, u_int *__sizep, + u_int __maxsize, u_int __elsize, xdrproc_t __elproc) + __THROW; +extern bool_t xdr_bytes (XDR *__xdrs, char **__cpp, u_int *__sizep, + u_int __maxsize) __THROW; +extern bool_t xdr_opaque (XDR *__xdrs, caddr_t __cp, u_int __cnt) __THROW; +extern bool_t xdr_string (XDR *__xdrs, char **__cpp, u_int __maxsize) __THROW; +extern bool_t xdr_union (XDR *__xdrs, enum_t *__dscmp, char *__unp, + const struct xdr_discrim *__choices, + xdrproc_t __dfault) __THROW; +extern bool_t xdr_char (XDR *__xdrs, char *__cp) __THROW; +extern bool_t xdr_u_char (XDR *__xdrs, u_char *__cp) __THROW; +extern bool_t xdr_vector (XDR *__xdrs, char *__basep, u_int __nelem, + u_int __elemsize, xdrproc_t __xdr_elem) __THROW; +extern bool_t xdr_float (XDR *__xdrs, float *__fp) __THROW; +extern bool_t xdr_double (XDR *__xdrs, double *__dp) __THROW; +extern bool_t xdr_reference (XDR *__xdrs, caddr_t *__xpp, u_int __size, + xdrproc_t __proc) __THROW; +extern bool_t xdr_pointer (XDR *__xdrs, char **__objpp, + u_int __obj_size, xdrproc_t __xdr_obj) __THROW; +extern bool_t xdr_wrapstring (XDR *__xdrs, char **__cpp) __THROW; +extern u_long xdr_sizeof (xdrproc_t, void *) __THROW; + +/* + * Common opaque bytes objects used by many rpc protocols; + * declared here due to commonality. + */ +#define MAX_NETOBJ_SZ 1024 +struct netobj +{ + u_int n_len; + char *n_bytes; +}; +typedef struct netobj netobj; +extern bool_t xdr_netobj (XDR *__xdrs, struct netobj *__np) __THROW; + +/* + * These are the public routines for the various implementations of + * xdr streams. + */ + +/* XDR using memory buffers */ +extern void xdrmem_create (XDR *__xdrs, const caddr_t __addr, + u_int __size, enum xdr_op __xop) __THROW; + +/* XDR using stdio library */ +extern void xdrstdio_create (XDR *__xdrs, FILE *__file, enum xdr_op __xop) + __THROW; + +/* XDR pseudo records for tcp */ +extern void xdrrec_create (XDR *__xdrs, u_int __sendsize, + u_int __recvsize, caddr_t __tcp_handle, + int (*__readit) (char *, char *, int), + int (*__writeit) (char *, char *, int)) __THROW; + +/* make end of xdr record */ +extern bool_t xdrrec_endofrecord (XDR *__xdrs, bool_t __sendnow) __THROW; + +/* move to beginning of next record */ +extern bool_t xdrrec_skiprecord (XDR *__xdrs) __THROW; + +/* true if no more input */ +extern bool_t xdrrec_eof (XDR *__xdrs) __THROW; + +/* free memory buffers for xdr */ +extern void xdr_free (xdrproc_t __proc, char *__objp) __THROW; + +__END_DECLS + +#endif /* rpc/xdr.h */