Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com Message-ID: <20050815165712.5003.qmail@wizard.math.ualberta.ca> Date: 15 Aug 2005 10:57:12 -0600 From: John Bowman To: cygwin AT cygwin DOT com Subject: patch to fix broken xdr headers This patch fixes the broken CYGWIN xdr headers under g++. For an example of C++ usage of the xdr External Data Representation, see http://www.math.ualberta.ca/~bowman/xstream.html diff -ru rpc.broken/auth.h rpc/auth.h --- rpc.broken/auth.h 2005-03-10 14:32:52.000000000 -0700 +++ rpc/auth.h 2005-08-02 02:09:08.000000000 -0600 @@ -62,7 +62,7 @@ AUTH_FAILED=7 /* some unknown reason */ }; -#if (mc68000 || sparc || vax || i386) +#if (mc68000 || sparc || vax || __i386__) typedef u_long u_int32; /* 32-bit unsigned integers */ #endif diff -ru rpc.broken/xdr.h rpc/xdr.h --- rpc.broken/xdr.h 2005-03-10 14:32:54.000000000 -0700 +++ rpc/xdr.h 2005-08-02 01:56:46.000000000 -0600 @@ -1,4 +1,3 @@ -/* @(#)xdr.h 2.2 88/07/29 4.0 RPCSRC */ /* * Sun RPC is a product of Sun Microsystems, Inc. and is provided for * unrestricted use provided that this legend is included on all tape @@ -6,28 +5,27 @@ * 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 */ -/* @(#)xdr.h 1.19 87/04/22 SMI */ /* * xdr.h, External Data Representation Serialization Routines. @@ -35,8 +33,17 @@ * Copyright (C) 1984, Sun Microsystems, Inc. */ -#ifndef __XDR_HEADER__ -#define __XDR_HEADER__ +#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 @@ -47,10 +54,10 @@ * * Each data type provides a single procedure which takes two arguments: * - * bool_t - * xdrproc(xdrs, argresp) - * XDR *xdrs; - * *argresp; + * 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 @@ -74,17 +81,66 @@ * request. */ enum xdr_op { - XDR_ENCODE=0, - XDR_DECODE=1, - XDR_FREE=2 + 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. @@ -93,43 +149,31 @@ * 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 *); + * bool_t (*xdrproc_t)(XDR *, caddr_t *); */ -typedef bool_t (*xdrproc_t)(); +typedef bool_t (*xdrproc_t) (XDR *, void *,...); -/* - * The XDR handle. - * Contains operation which is being applied to the stream, - * an operations vector for the paticular implementation (e.g. see xdr_mem.c), - * and two private fields for the use of the particular impelementation. - */ -typedef struct { - enum xdr_op x_op; /* operation; fast additional param */ - struct xdr_ops { - bool_t (*x_getlong)(); /* get a long from underlying stream */ - bool_t (*x_putlong)(); /* put a long to " */ - bool_t (*x_getbytes)();/* get some bytes from " */ - bool_t (*x_putbytes)();/* put some bytes to " */ - u_int (*x_getpostn)();/* returns bytes off from beginning */ - bool_t (*x_setpostn)();/* lets you reposition the stream */ - long * (*x_inline)(); /* buf quick ptr to buffered data */ - void (*x_destroy)(); /* free privates of this xdr_stream */ - } *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 */ - int x_handy; /* extra private word */ -} XDR; /* * Operations defined on a XDR handle * - * XDR *xdrs; - * long *longp; - * caddr_t addr; - * u_int len; - * u_int pos; - */ + * 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) \ @@ -165,12 +209,16 @@ #define xdr_inline(xdrs, len) \ (*(xdrs)->x_ops->x_inline)(xdrs, len) -#define XDR_DESTROY(xdrs) \ - if ((xdrs)->x_ops->x_destroy) \ - (*(xdrs)->x_ops->x_destroy)(xdrs) -#define xdr_destroy(xdrs) \ - if ((xdrs)->x_ops->x_destroy) \ - (*(xdrs)->x_ops->x_destroy)(xdrs) +#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. @@ -183,93 +231,143 @@ * 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; +struct xdr_discrim +{ + int value; + xdrproc_t proc; }; /* - * In-line routines for fast encode/decode of primitve data types. + * 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 >>> + * 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_LONG(buf) ((long)ntohl((u_long)*(buf)++)) -#define IXDR_PUT_LONG(buf, v) (*(buf)++ = (long)htonl((u_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_U_LONG(buf) ((u_long)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_U_LONG(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))) +#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. - */ -extern bool_t xdr_void(); -extern bool_t xdr_int(); -extern bool_t xdr_u_int(); -extern bool_t xdr_long(); -extern bool_t xdr_u_long(); -extern bool_t xdr_short(); -extern bool_t xdr_u_short(); -extern bool_t xdr_int64_t(); -extern bool_t xdr_u_int64_t(); -extern bool_t xdr_bool(); -extern bool_t xdr_enum(); -extern bool_t xdr_array(); -extern bool_t xdr_bytes(); -extern bool_t xdr_opaque(); -extern bool_t xdr_string(); -extern bool_t xdr_union(); -extern bool_t xdr_char(); -extern bool_t xdr_u_char(); -extern bool_t xdr_vector(); -extern bool_t xdr_float(); -extern bool_t xdr_double(); -extern bool_t xdr_reference(); -extern bool_t xdr_pointer(); -extern bool_t xdr_wrapstring(); + * 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); +extern bool_t xdr_short (XDR *__xdrs, short *__sp); +extern bool_t xdr_u_short (XDR *__xdrs, u_short *__usp); +extern bool_t xdr_int (XDR *__xdrs, int *__ip); +extern bool_t xdr_u_int (XDR *__xdrs, u_int *__up); +extern bool_t xdr_long (XDR *__xdrs, long *__lp); +extern bool_t xdr_u_long (XDR *__xdrs, u_long *__ulp); +extern bool_t xdr_int8_t (XDR *__xdrs, int8_t *__ip); +extern bool_t xdr_uint8_t (XDR *__xdrs, uint8_t *__up); +extern bool_t xdr_int16_t (XDR *__xdrs, int16_t *__ip); +extern bool_t xdr_uint16_t (XDR *__xdrs, uint16_t *__up); +extern bool_t xdr_int32_t (XDR *__xdrs, int32_t *__ip); +extern bool_t xdr_uint32_t (XDR *__xdrs, uint32_t *__up); +extern bool_t xdr_int64_t (XDR *__xdrs, int64_t *__ip); +extern bool_t xdr_uint64_t (XDR *__xdrs, uint64_t *__up); +extern bool_t xdr_bool (XDR *__xdrs, bool_t *__bp); +extern bool_t xdr_enum (XDR *__xdrs, enum_t *__ep); +extern bool_t xdr_array (XDR * _xdrs, caddr_t *__addrp, u_int *__sizep, + u_int __maxsize, u_int __elsize, xdrproc_t __elproc) + ; +extern bool_t xdr_bytes (XDR *__xdrs, char **__cpp, u_int *__sizep, + u_int __maxsize); +extern bool_t xdr_opaque (XDR *__xdrs, caddr_t __cp, u_int __cnt); +extern bool_t xdr_string (XDR *__xdrs, char **__cpp, u_int __maxsize); +extern bool_t xdr_union (XDR *__xdrs, enum_t *__dscmp, char *__unp, + __const struct xdr_discrim *__choices, + xdrproc_t dfault); +extern bool_t xdr_char (XDR *__xdrs, char *__cp); +extern bool_t xdr_u_char (XDR *__xdrs, u_char *__cp); +extern bool_t xdr_vector (XDR *__xdrs, char *__basep, u_int __nelem, + u_int __elemsize, xdrproc_t __xdr_elem); +extern bool_t xdr_float (XDR *__xdrs, float *__fp); +extern bool_t xdr_double (XDR *__xdrs, double *__dp); +extern bool_t xdr_reference (XDR *__xdrs, caddr_t *__xpp, u_int __size, + xdrproc_t __proc); +extern bool_t xdr_pointer (XDR *__xdrs, char **__objpp, + u_int __obj_size, xdrproc_t __xdr_obj); +extern bool_t xdr_wrapstring (XDR *__xdrs, char **__cpp); +extern u_long xdr_sizeof (xdrproc_t, void *); /* * 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; +#define MAX_NETOBJ_SZ 1024 +struct netobj +{ + u_int n_len; + char *n_bytes; }; typedef struct netobj netobj; -extern bool_t xdr_netobj(); +extern bool_t xdr_netobj (XDR *__xdrs, struct netobj *__np); /* * These are the public routines for the various implementations of * xdr streams. */ -extern void xdrmem_create(); /* XDR using memory buffers */ -extern void xdrstdio_create(); /* XDR using stdio library */ -extern void xdrrec_create(); /* XDR pseudo records for tcp */ -extern bool_t xdrrec_endofrecord(); /* make end of xdr record */ -extern bool_t xdrrec_skiprecord(); /* move to beginning of next record */ -extern bool_t xdrrec_eof(); /* true if no more input */ + +/* XDR using memory buffers */ +extern void xdrmem_create (XDR *__xdrs, __const caddr_t __addr, + u_int __size, enum xdr_op __xop); + +/* XDR using stdio library */ +extern void xdrstdio_create (XDR *__xdrs, FILE *__file, enum xdr_op __xop) + ; + +/* 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)); + +/* make end of xdr record */ +extern bool_t xdrrec_endofrecord (XDR *__xdrs, bool_t __sendnow); + +/* move to beginning of next record */ +extern bool_t xdrrec_skiprecord (XDR *__xdrs); + +/* true if no more input */ +extern bool_t xdrrec_eof (XDR *__xdrs); /* free memory buffers for xdr */ -extern void xdr_free(xdrproc_t proc, char *objp); +extern void xdr_free (xdrproc_t __proc, char *__objp); + +__END_DECLS -#endif /* !__XDR_HEADER__ */ +#endif /* rpc/xdr.h */ -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/