xdr_stdio.c (a9bdcd3711af3df1131ef95d45b810c28b3941f6) xdr_stdio.c (eae561b30ec984ce171d99b1fd182575acc2c639)
1/* $NetBSD: xdr_stdio.c,v 1.14 2000/01/22 22:19:19 mycroft Exp $ */
2
3/*
4 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
5 * unrestricted use provided that this legend is included on all tape
6 * media and as a part of the software program in whole or part. Users
7 * may copy or modify Sun RPC without charge, but are not authorized
8 * to license or distribute it to anyone else except as part of a product or
9 * program developed by the user.
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.
10 *
8 *
11 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
12 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
13 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
9 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
10 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
11 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
14 *
12 *
15 * Sun RPC is provided with no support and without any obligation on the
16 * part of Sun Microsystems, Inc. to assist in its use, correction,
17 * modification or enhancement.
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.
18 *
16 *
19 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
20 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
21 * OR ANY PART THEREOF.
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.
22 *
20 *
23 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
24 * or profits or other special, indirect and consequential damages, even if
25 * Sun has been advised of the possibility of such damages.
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.
26 *
24 *
27 * Sun Microsystems, Inc.
28 * 2550 Garcia Avenue
29 * Mountain View, California 94043
30 */
31
32#if defined(LIBC_SCCS) && !defined(lint)
25 * Sun Microsystems, Inc.
26 * 2550 Garcia Avenue
27 * Mountain View, California 94043
28 */
29
30#if defined(LIBC_SCCS) && !defined(lint)
33static char *sccsid2 = "@(#)xdr_stdio.c 1.16 87/08/11 Copyr 1984 Sun Micro";
34static char *sccsid = "@(#)xdr_stdio.c 2.1 88/07/29 4.0 RPCSRC";
31/*static char *sccsid = "from: @(#)xdr_stdio.c 1.16 87/08/11 Copyr 1984 Sun Micro";*/
32/*static char *sccsid = "from: @(#)xdr_stdio.c 2.1 88/07/29 4.0 RPCSRC";*/
33static char *rcsid = "$Id: xdr_stdio.c,v 1.1 1993/10/27 05:41:14 paul Exp $";
35#endif
34#endif
36#include <sys/cdefs.h>
37__FBSDID("$FreeBSD$");
38
39/*
40 * xdr_stdio.c, XDR implementation on standard i/o file.
41 *
42 * Copyright (C) 1984, Sun Microsystems, Inc.
43 *
44 * This set of routines implements a XDR on a stdio stream.
45 * XDR_ENCODE serializes onto the stream, XDR_DECODE de-serializes
46 * from the stream.
47 */
48
35
36/*
37 * xdr_stdio.c, XDR implementation on standard i/o file.
38 *
39 * Copyright (C) 1984, Sun Microsystems, Inc.
40 *
41 * This set of routines implements a XDR on a stdio stream.
42 * XDR_ENCODE serializes onto the stream, XDR_DECODE de-serializes
43 * from the stream.
44 */
45
49#include "namespace.h"
50#include <stdio.h>
51
52#include <arpa/inet.h>
53#include <rpc/types.h>
46#include <rpc/types.h>
47#include <stdio.h>
54#include <rpc/xdr.h>
48#include <rpc/xdr.h>
55#include "un-namespace.h"
56
49
57static void xdrstdio_destroy(XDR *);
58static bool_t xdrstdio_getlong(XDR *, long *);
59static bool_t xdrstdio_putlong(XDR *, const long *);
60static bool_t xdrstdio_getbytes(XDR *, char *, u_int);
61static bool_t xdrstdio_putbytes(XDR *, const char *, u_int);
62static u_int xdrstdio_getpos(XDR *);
63static bool_t xdrstdio_setpos(XDR *, u_int);
64static int32_t *xdrstdio_inline(XDR *, u_int);
50static bool_t xdrstdio_getlong();
51static bool_t xdrstdio_putlong();
52static bool_t xdrstdio_getbytes();
53static bool_t xdrstdio_putbytes();
54static u_int xdrstdio_getpos();
55static bool_t xdrstdio_setpos();
56static long * xdrstdio_inline();
57static void xdrstdio_destroy();
65
66/*
67 * Ops vector for stdio type XDR
68 */
58
59/*
60 * Ops vector for stdio type XDR
61 */
69static const struct xdr_ops xdrstdio_ops = {
62static struct xdr_ops xdrstdio_ops = {
70 xdrstdio_getlong, /* deseraialize a long int */
71 xdrstdio_putlong, /* seraialize a long int */
72 xdrstdio_getbytes, /* deserialize counted bytes */
73 xdrstdio_putbytes, /* serialize counted bytes */
74 xdrstdio_getpos, /* get offset in the stream */
75 xdrstdio_setpos, /* set offset in the stream */
76 xdrstdio_inline, /* prime stream for inline macros */
77 xdrstdio_destroy /* destroy stream */
78};
79
80/*
81 * Initialize a stdio xdr stream.
82 * Sets the xdr stream handle xdrs for use on the stream file.
83 * Operation flag is set to op.
84 */
85void
86xdrstdio_create(xdrs, file, op)
63 xdrstdio_getlong, /* deseraialize a long int */
64 xdrstdio_putlong, /* seraialize a long int */
65 xdrstdio_getbytes, /* deserialize counted bytes */
66 xdrstdio_putbytes, /* serialize counted bytes */
67 xdrstdio_getpos, /* get offset in the stream */
68 xdrstdio_setpos, /* set offset in the stream */
69 xdrstdio_inline, /* prime stream for inline macros */
70 xdrstdio_destroy /* destroy stream */
71};
72
73/*
74 * Initialize a stdio xdr stream.
75 * Sets the xdr stream handle xdrs for use on the stream file.
76 * Operation flag is set to op.
77 */
78void
79xdrstdio_create(xdrs, file, op)
87 XDR *xdrs;
80 register XDR *xdrs;
88 FILE *file;
89 enum xdr_op op;
90{
91
92 xdrs->x_op = op;
93 xdrs->x_ops = &xdrstdio_ops;
81 FILE *file;
82 enum xdr_op op;
83{
84
85 xdrs->x_op = op;
86 xdrs->x_ops = &xdrstdio_ops;
94 xdrs->x_private = file;
87 xdrs->x_private = (caddr_t)file;
95 xdrs->x_handy = 0;
96 xdrs->x_base = 0;
97}
98
99/*
100 * Destroy a stdio xdr stream.
101 * Cleans up the xdr stream handle xdrs previously set up by xdrstdio_create.
102 */
103static void
104xdrstdio_destroy(xdrs)
88 xdrs->x_handy = 0;
89 xdrs->x_base = 0;
90}
91
92/*
93 * Destroy a stdio xdr stream.
94 * Cleans up the xdr stream handle xdrs previously set up by xdrstdio_create.
95 */
96static void
97xdrstdio_destroy(xdrs)
105 XDR *xdrs;
98 register XDR *xdrs;
106{
107 (void)fflush((FILE *)xdrs->x_private);
99{
100 (void)fflush((FILE *)xdrs->x_private);
108 /* XXX: should we close the file ?? */
109}
101 /* xx should we close the file ?? */
102};
110
111static bool_t
112xdrstdio_getlong(xdrs, lp)
113 XDR *xdrs;
103
104static bool_t
105xdrstdio_getlong(xdrs, lp)
106 XDR *xdrs;
114 long *lp;
107 register long *lp;
115{
108{
116 u_int32_t temp;
117
109
118 if (fread(&temp, sizeof(int32_t), 1, (FILE *)xdrs->x_private) != 1)
110 if (fread((caddr_t)lp, sizeof(long), 1, (FILE *)xdrs->x_private) != 1)
119 return (FALSE);
111 return (FALSE);
120 *lp = (long)ntohl(temp);
112#ifndef mc68000
113 *lp = ntohl(*lp);
114#endif
121 return (TRUE);
122}
123
124static bool_t
125xdrstdio_putlong(xdrs, lp)
126 XDR *xdrs;
115 return (TRUE);
116}
117
118static bool_t
119xdrstdio_putlong(xdrs, lp)
120 XDR *xdrs;
127 const long *lp;
121 long *lp;
128{
122{
129 int32_t mycopy = htonl((u_int32_t)*lp);
130
123
131 if (fwrite(&mycopy, sizeof(int32_t), 1, (FILE *)xdrs->x_private) != 1)
124#ifndef mc68000
125 long mycopy = htonl(*lp);
126 lp = &mycopy;
127#endif
128 if (fwrite((caddr_t)lp, sizeof(long), 1, (FILE *)xdrs->x_private) != 1)
132 return (FALSE);
133 return (TRUE);
134}
135
136static bool_t
137xdrstdio_getbytes(xdrs, addr, len)
138 XDR *xdrs;
129 return (FALSE);
130 return (TRUE);
131}
132
133static bool_t
134xdrstdio_getbytes(xdrs, addr, len)
135 XDR *xdrs;
139 char *addr;
136 caddr_t addr;
140 u_int len;
141{
142
137 u_int len;
138{
139
143 if ((len != 0) && (fread(addr, (size_t)len, 1, (FILE *)xdrs->x_private) != 1))
140 if ((len != 0) && (fread(addr, (int)len, 1, (FILE *)xdrs->x_private) != 1))
144 return (FALSE);
145 return (TRUE);
146}
147
148static bool_t
149xdrstdio_putbytes(xdrs, addr, len)
150 XDR *xdrs;
141 return (FALSE);
142 return (TRUE);
143}
144
145static bool_t
146xdrstdio_putbytes(xdrs, addr, len)
147 XDR *xdrs;
151 const char *addr;
148 caddr_t addr;
152 u_int len;
153{
154
149 u_int len;
150{
151
155 if ((len != 0) && (fwrite(addr, (size_t)len, 1,
156 (FILE *)xdrs->x_private) != 1))
152 if ((len != 0) && (fwrite(addr, (int)len, 1, (FILE *)xdrs->x_private) != 1))
157 return (FALSE);
158 return (TRUE);
159}
160
161static u_int
162xdrstdio_getpos(xdrs)
163 XDR *xdrs;
164{

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171 XDR *xdrs;
172 u_int pos;
173{
174
175 return ((fseek((FILE *)xdrs->x_private, (long)pos, 0) < 0) ?
176 FALSE : TRUE);
177}
178
153 return (FALSE);
154 return (TRUE);
155}
156
157static u_int
158xdrstdio_getpos(xdrs)
159 XDR *xdrs;
160{

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167 XDR *xdrs;
168 u_int pos;
169{
170
171 return ((fseek((FILE *)xdrs->x_private, (long)pos, 0) < 0) ?
172 FALSE : TRUE);
173}
174
179/* ARGSUSED */
180static int32_t *
175static long *
181xdrstdio_inline(xdrs, len)
182 XDR *xdrs;
183 u_int len;
184{
185
186 /*
187 * Must do some work to implement this: must insure
188 * enough data in the underlying stdio buffer,
189 * that the buffer is aligned so that we can indirect through a
190 * long *, and stuff this pointer in xdrs->x_buf. Doing
191 * a fread or fwrite to a scratch buffer would defeat
192 * most of the gains to be had here and require storage
193 * management on this buffer, so we don't do this.
194 */
195 return (NULL);
196}
176xdrstdio_inline(xdrs, len)
177 XDR *xdrs;
178 u_int len;
179{
180
181 /*
182 * Must do some work to implement this: must insure
183 * enough data in the underlying stdio buffer,
184 * that the buffer is aligned so that we can indirect through a
185 * long *, and stuff this pointer in xdrs->x_buf. Doing
186 * a fread or fwrite to a scratch buffer would defeat
187 * most of the gains to be had here and require storage
188 * management on this buffer, so we don't do this.
189 */
190 return (NULL);
191}