ReactOS 0.4.15-dev-7931-gfd331f1
xdr_array.c
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1
2/*
3 * Copyright (c) 2009, Sun Microsystems, Inc.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 * - Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
10 * - Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation
12 * and/or other materials provided with the distribution.
13 * - Neither the name of Sun Microsystems, Inc. nor the names of its
14 * contributors may be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
21 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 * POSSIBILITY OF SUCH DAMAGE.
28 */
29
30//#include <sys/cdefs.h>
31
32/*
33 * xdr_array.c, Generic XDR routines impelmentation.
34 *
35 * Copyright (C) 1984, Sun Microsystems, Inc.
36 *
37 * These are the "non-trivial" xdr primitives used to serialize and de-serialize
38 * arrays. See xdr.h for more info on the interface to xdr.
39 */
40
41#include <wintirpc.h>
42#include "namespace.h"
43//#include <err.h>
44//#include <limits.h>
45#include <stdio.h>
46#include <stdlib.h>
47#include <string.h>
48
49#include <rpc/types.h>
50#include <rpc/xdr.h>
51#include "un-namespace.h"
52
53/*
54 * XDR an array of arbitrary elements
55 * *addrp is a pointer to the array, *sizep is the number of elements.
56 * If addrp is NULL (*sizep * elsize) bytes are allocated.
57 * elsize is the size (in bytes) of each element, and elproc is the
58 * xdr procedure to call to handle each element of the array.
59 */
61xdr_array(xdrs, addrp, sizep, maxsize, elsize, elproc)
62 XDR *xdrs;
63 caddr_t *addrp; /* array pointer */
64 u_int *sizep; /* number of elements */
65 u_int maxsize; /* max numberof elements */
66 u_int elsize; /* size in bytes of each element */
67 xdrproc_t elproc; /* xdr routine to handle each element */
68{
69 u_int i;
70 caddr_t target = *addrp;
71 u_int c; /* the actual element count */
73 u_int nodesize;
74
75 /* like strings, arrays are really counted arrays */
76 if (!xdr_u_int(xdrs, sizep)) {
77 return (FALSE);
78 }
79 c = *sizep;
80 if ((c > maxsize || UINT_MAX/elsize < c) &&
81 (xdrs->x_op != XDR_FREE)) {
82 return (FALSE);
83 }
84 nodesize = c * elsize;
85
86 /*
87 * if we are deserializing, we may need to allocate an array.
88 * We also save time by checking for a null array if we are freeing.
89 */
90 if (target == NULL)
91 switch (xdrs->x_op) {
92 case XDR_DECODE:
93 if (c == 0)
94 return (TRUE);
95 *addrp = target = mem_alloc(nodesize);
96 if (target == NULL) {
97 //warnx("xdr_array: out of memory");
98 return (FALSE);
99 }
100 memset(target, 0, nodesize);
101 break;
102
103 case XDR_FREE:
104 return (TRUE);
105
106 case XDR_ENCODE:
107 break;
108 }
109
110 /*
111 * now we xdr each element of array
112 */
113 for (i = 0; (i < c) && stat; i++) {
114 stat = (*elproc)(xdrs, target);
115 target += elsize;
116 }
117
118 /*
119 * the array may need freeing
120 */
121 if (xdrs->x_op == XDR_FREE) {
122 mem_free(*addrp, nodesize);
123 *addrp = NULL;
124 }
125 return (stat);
126}
127
128/*
129 * xdr_vector():
130 *
131 * XDR a fixed length array. Unlike variable-length arrays,
132 * the storage of fixed length arrays is static and unfreeable.
133 * > basep: base of the array
134 * > size: size of the array
135 * > elemsize: size of each element
136 * > xdr_elem: routine to XDR each element
137 */
138bool_t
139xdr_vector(xdrs, basep, nelem, elemsize, xdr_elem)
140 XDR *xdrs;
141 char *basep;
142 u_int nelem;
144 xdrproc_t xdr_elem;
145{
146 u_int i;
147 char *elptr;
148
149 elptr = basep;
150 for (i = 0; i < nelem; i++) {
151 if (!(*xdr_elem)(xdrs, elptr)) {
152 return(FALSE);
153 }
154 elptr += elemsize;
155 }
156 return(TRUE);
157}
bool_t xdr_u_int(XDR *xdrs, u_int *up)
Definition: xdr.c:133
UINT32 u_int
Definition: types.h:82
#define mem_free(ptr, bsize)
Definition: types.h:124
#define NULL
Definition: types.h:112
#define mem_alloc(bsize)
Definition: types.h:123
int32_t bool_t
Definition: types.h:101
#define TRUE
Definition: types.h:120
#define FALSE
Definition: types.h:117
const GLubyte * c
Definition: glext.h:8905
GLenum target
Definition: glext.h:7315
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
#define UINT_MAX
Definition: limits.h:41
#define c
Definition: ke_i.h:80
UINT elemsize
Definition: safearray.c:332
char * caddr_t
Definition: rosdhcp.h:36
#define memset(x, y, z)
Definition: compat.h:39
#define nelem(x)
Definition: shaptest.c:19
Definition: xdr.h:103
enum xdr_op x_op
Definition: xdr.h:104
Definition: stat.h:55
@ XDR_DECODE
Definition: xdr.h:86
@ XDR_FREE
Definition: xdr.h:87
@ XDR_ENCODE
Definition: xdr.h:85
bool_t(* xdrproc_t)(XDR *,...)
Definition: xdr.h:144
bool_t xdr_vector(XDR *xdrs, char *basep, u_int nelem, u_int elemsize, xdrproc_t xdr_elem)
Definition: xdr_array.c:139
bool_t xdr_array(XDR *xdrs, caddr_t *addrp, u_int *sizep, u_int maxsize, u_int elsize, xdrproc_t elproc)
Definition: xdr_array.c:61