1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
/*
* xdr_reference.c, Generic XDR routines implementation.
*
* Copyright (c) 2010, 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.
*
* These are the "non-trivial" xdr primitives used to serialize and
* de-serialize "pointers". See xdr.h for more info on the interface to xdr.
*/
#include <stdio.h>
#include <string.h>
#include <rpc/types.h>
#include <rpc/xdr.h>
#include <libintl.h>
#include <wchar.h>
#include <libio/iolibio.h>
#define LASTUNSIGNED ((u_int)0-1)
/*
* XDR an indirect pointer
* xdr_reference is for recursively translating a structure that is
* referenced by a pointer inside the structure that is currently being
* translated. pp references a pointer to storage. If *pp is null
* the necessary storage is allocated.
* size is the size of the referneced structure.
* proc is the routine to handle the referenced structure.
*/
bool_t
xdr_reference (xdrs, pp, size, proc)
XDR *xdrs;
caddr_t *pp; /* the pointer to work on */
u_int size; /* size of the object pointed to */
xdrproc_t proc; /* xdr routine to handle the object */
{
caddr_t loc = *pp;
bool_t stat;
if (loc == NULL)
switch (xdrs->x_op)
{
case XDR_FREE:
return TRUE;
case XDR_DECODE:
*pp = loc = (caddr_t) calloc (1, size);
if (loc == NULL)
{
(void) __fxprintf (NULL, "%s: %s", __func__, _("out of memory\n"));
return FALSE;
}
break;
default:
break;
}
stat = (*proc) (xdrs, loc, LASTUNSIGNED);
if (xdrs->x_op == XDR_FREE)
{
mem_free (loc, size);
*pp = NULL;
}
return stat;
}
libc_hidden_nolink_sunrpc (xdr_reference, GLIBC_2_0)
/*
* xdr_pointer():
*
* XDR a pointer to a possibly recursive data structure. This
* differs with xdr_reference in that it can serialize/deserialize
* trees correctly.
*
* What's sent is actually a union:
*
* union object_pointer switch (boolean b) {
* case TRUE: object_data data;
* case FALSE: void nothing;
* }
*
* > objpp: Pointer to the pointer to the object.
* > obj_size: size of the object.
* > xdr_obj: routine to XDR an object.
*
*/
bool_t
xdr_pointer (XDR *xdrs, char **objpp, u_int obj_size, xdrproc_t xdr_obj)
{
bool_t more_data;
more_data = (*objpp != NULL);
if (!xdr_bool (xdrs, &more_data))
{
return FALSE;
}
if (!more_data)
{
*objpp = NULL;
return TRUE;
}
return xdr_reference (xdrs, objpp, obj_size, xdr_obj);
}
#ifdef EXPORT_RPC_SYMBOLS
libc_hidden_def (xdr_pointer)
#else
libc_hidden_nolink_sunrpc (xdr_pointer, GLIBC_2_0)
#endif
|
