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, MERCHANTIBILITY 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#if defined(LIBC_SCCS) && !defined(lint)
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";*/
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33static char *rcsid = "$Id: xdr_stdio.c,v 1.1 1994/08/07 18:39:35 wollman Exp $";
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| 33static char *rcsid = "$Id: xdr_stdio.c,v 1.2 1995/05/30 05:42:12 rgrimes Exp $"; |
34#endif
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
46#include <rpc/types.h>
47#include <stdio.h>
48#include <rpc/xdr.h>
49
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();
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56static long * xdrstdio_inline();
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| 56static int32_t *xdrstdio_inline(); |
57static void xdrstdio_destroy();
58
59/*
60 * Ops vector for stdio type XDR
61 */
62static struct xdr_ops xdrstdio_ops = {
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)
80 register XDR *xdrs;
81 FILE *file;
82 enum xdr_op op;
83{
84
85 xdrs->x_op = op;
86 xdrs->x_ops = &xdrstdio_ops;
87 xdrs->x_private = (caddr_t)file;
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)
98 register XDR *xdrs;
99{
100 (void)fflush((FILE *)xdrs->x_private);
101 /* xx should we close the file ?? */
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102};
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| 102} |
103
104static bool_t
105xdrstdio_getlong(xdrs, lp)
106 XDR *xdrs;
107 register long *lp;
108{
109
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110 if (fread((caddr_t)lp, sizeof(long), 1, (FILE *)xdrs->x_private) != 1)
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110 if (fread((caddr_t)lp, sizeof(int32_t), 1,
111 (FILE *)xdrs->x_private) != 1) |
112 return (FALSE);
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112#ifndef mc68000
113 *lp = ntohl(*lp);
114#endif
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| 113 *lp = (long)ntohl((int32_t)*lp); |
114 return (TRUE);
115}
116
117static bool_t
118xdrstdio_putlong(xdrs, lp)
119 XDR *xdrs;
120 long *lp;
121{
122
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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)
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123 long mycopy = (long)htonl((int32_t)*lp);
124
125 if (fwrite((caddr_t)&mycopy, sizeof(int32_t), 1,
126 (FILE *)xdrs->x_private) != 1) |
127 return (FALSE);
128 return (TRUE);
129}
130
131static bool_t
132xdrstdio_getbytes(xdrs, addr, len)
133 XDR *xdrs;
134 caddr_t addr;
135 u_int len;
136{
137
138 if ((len != 0) && (fread(addr, (int)len, 1, (FILE *)xdrs->x_private) != 1))
139 return (FALSE);
140 return (TRUE);
141}
142
143static bool_t
144xdrstdio_putbytes(xdrs, addr, len)
145 XDR *xdrs;
146 caddr_t addr;
147 u_int len;
148{
149
150 if ((len != 0) && (fwrite(addr, (int)len, 1, (FILE *)xdrs->x_private) != 1))
151 return (FALSE);
152 return (TRUE);
153}
154
155static u_int
156xdrstdio_getpos(xdrs)
157 XDR *xdrs;
158{
159
160 return ((u_int) ftell((FILE *)xdrs->x_private));
161}
162
163static bool_t
164xdrstdio_setpos(xdrs, pos)
165 XDR *xdrs;
166 u_int pos;
167{
168
169 return ((fseek((FILE *)xdrs->x_private, (long)pos, 0) < 0) ?
170 FALSE : TRUE);
171}
172
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175static long *
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| 173static int32_t * |
174xdrstdio_inline(xdrs, len)
175 XDR *xdrs;
176 u_int len;
177{
178
179 /*
180 * Must do some work to implement this: must insure
181 * enough data in the underlying stdio buffer,
182 * that the buffer is aligned so that we can indirect through a
183 * long *, and stuff this pointer in xdrs->x_buf. Doing
184 * a fread or fwrite to a scratch buffer would defeat
185 * most of the gains to be had here and require storage
186 * management on this buffer, so we don't do this.
187 */
188 return (NULL);
189}
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