4 * Copyright (c) 2010, Oracle America, Inc.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
10 * * Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * * Redistributions in binary form must reproduce the above
13 * copyright notice, this list of conditions and the following
14 * disclaimer in the documentation and/or other materials
15 * provided with the distribution.
16 * * Neither the name of the "Oracle America, Inc." nor the names of its
17 * contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
24 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
25 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
27 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
30 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 * General purpose routine to see how much space something will use
34 * when serialized using XDR.
37 #include <rpc/types.h>
39 #include <sys/types.h>
44 x_putlong (XDR
*xdrs
, const long *longp
)
46 xdrs
->x_handy
+= BYTES_PER_XDR_UNIT
;
52 x_putbytes (XDR
*xdrs
, const char *bp
, u_int len
)
59 x_getpostn (const XDR
*xdrs
)
66 x_setpostn (XDR
*xdrs
, u_int len
)
68 /* This is not allowed */
73 x_inline (XDR
*xdrs
, u_int len
)
77 if (xdrs
->x_op
!= XDR_ENCODE
)
79 if (len
< (u_int
) (long int) xdrs
->x_base
)
81 /* x_private was already allocated */
83 return (int32_t *) xdrs
->x_private
;
87 /* Free the earlier space and allocate new area */
88 free (xdrs
->x_private
);
89 if ((xdrs
->x_private
= (caddr_t
) malloc (len
)) == NULL
)
94 xdrs
->x_base
= (void *) (long) len
;
96 return (int32_t *) xdrs
->x_private
;
103 /* Always return FALSE/NULL, as the case may be */
108 x_destroy (XDR
*xdrs
)
114 free (xdrs
->x_private
);
115 xdrs
->x_private
= NULL
;
121 x_putint32 (XDR
*xdrs
, const int32_t *int32p
)
123 xdrs
->x_handy
+= BYTES_PER_XDR_UNIT
;
128 xdr_sizeof (xdrproc_t func
, void *data
)
133 /* to stop ANSI-C compiler from complaining */
134 typedef bool_t (*dummyfunc1
) (XDR
*, long *);
135 typedef bool_t (*dummyfunc2
) (XDR
*, caddr_t
, u_int
);
136 typedef bool_t (*dummyfunc3
) (XDR
*, int32_t *);
138 ops
.x_putlong
= x_putlong
;
139 ops
.x_putbytes
= x_putbytes
;
140 ops
.x_inline
= x_inline
;
141 ops
.x_getpostn
= x_getpostn
;
142 ops
.x_setpostn
= x_setpostn
;
143 ops
.x_destroy
= x_destroy
;
144 ops
.x_putint32
= x_putint32
;
146 /* the other harmless ones */
147 ops
.x_getlong
= (dummyfunc1
) harmless
;
148 ops
.x_getbytes
= (dummyfunc2
) harmless
;
149 ops
.x_getint32
= (dummyfunc3
) harmless
;
154 x
.x_private
= (caddr_t
) NULL
;
155 x
.x_base
= (caddr_t
) 0;
157 stat
= func (&x
, data
);
159 return stat
== TRUE
? x
.x_handy
: 0;
161 #ifdef EXPORT_RPC_SYMBOLS
162 libc_hidden_def (xdr_sizeof
)
164 libc_hidden_nolink_sunrpc (xdr_sizeof
, GLIBC_2_1
)