ReactOS  0.4.15-dev-492-ga1108f6
xdr_sizeof.c
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28 /*
29  * xdr_sizeof.c
30  *
31  * Copyright 1990 Sun Microsystems, Inc.
32  *
33  * General purpose routine to see how much space something will use
34  * when serialized using XDR.
35  */
36 
37 //#include <sys/cdefs.h>
38 
39 #include <wintirpc.h>
40 #include "namespace.h"
41 #include <rpc/types.h>
42 #include <rpc/xdr.h>
43 #include <sys/types.h>
44 #include <stdlib.h>
45 #include "un-namespace.h"
46 
47 /* ARGSUSED */
48 static bool_t
49 x_putlong(XDR *xdrs, const long *longp)
50 {
51  xdrs->x_handy += BYTES_PER_XDR_UNIT;
52  return (TRUE);
53 }
54 
55 /* ARGSUSED */
56 static bool_t
57 x_putbytes(XDR *xdrs, const char *bp, u_int len)
58 {
59  xdrs->x_handy += len;
60  return (TRUE);
61 }
62 
63 static u_int
65 {
66  return (xdrs->x_handy);
67 }
68 
69 /* ARGSUSED */
70 static bool_t
72 {
73  /* This is not allowed */
74  return (FALSE);
75 }
76 
77 static int32_t *
79 {
80  if (len == 0) {
81  return (NULL);
82  }
83  if (xdrs->x_op != XDR_ENCODE) {
84  return (NULL);
85  }
86  if (len < PtrToUlong(xdrs->x_base)) {
87  /* x_private was already allocated */
88  xdrs->x_handy += len;
89  return ((int32_t *) xdrs->x_private);
90  } else {
91  /* Free the earlier space and allocate new area */
92  if (xdrs->x_private)
93  free(xdrs->x_private);
94  if ((xdrs->x_private = (caddr_t) malloc(len)) == NULL) {
95  xdrs->x_base = 0;
96  return (NULL);
97  }
98  xdrs->x_base = UIntToPtr(len);
99  //xdrs->x_base = len; // XXX Is this right???
100  xdrs->x_handy += len;
101  return ((int32_t *) xdrs->x_private);
102  }
103 }
104 
105 static int
107 {
108  /* Always return FALSE/NULL, as the case may be */
109  return (0);
110 }
111 
112 static void
114 {
115  xdrs->x_handy = 0;
116  xdrs->x_base = 0;
117  if (xdrs->x_private) {
118  free(xdrs->x_private);
119  xdrs->x_private = NULL;
120  }
121  return;
122 }
123 
124 unsigned long
126  xdrproc_t func;
127  void *data;
128 {
129  XDR x;
130  struct xdr_ops ops;
131  bool_t stat;
132  /* to stop ANSI-C compiler from complaining */
133  typedef bool_t (* dummyfunc1)(XDR *, long *);
134  typedef bool_t (* dummyfunc2)(XDR *, caddr_t, u_int);
135 
136  ops.x_putlong = x_putlong;
137  ops.x_putbytes = x_putbytes;
138  ops.x_inline = x_inline;
139  ops.x_getpostn = x_getpostn;
140  ops.x_setpostn = x_setpostn;
141  ops.x_destroy = x_destroy;
142 
143  /* the other harmless ones */
144  ops.x_getlong = (dummyfunc1) harmless;
145  ops.x_getbytes = (dummyfunc2) harmless;
146 
147  x.x_op = XDR_ENCODE;
148  x.x_ops = &ops;
149  x.x_handy = 0;
150  x.x_private = (caddr_t) NULL;
151  x.x_base = (caddr_t) 0;
152 
153  stat = func(&x, data);
154  if (x.x_private)
155  free(x.x_private);
156  return (stat == TRUE ? (unsigned) x.x_handy: 0);
157 }
GLenum func
Definition: glext.h:6028
#define TRUE
Definition: types.h:120
int32_t bool_t
Definition: types.h:101
#define UIntToPtr(ui)
Definition: basetsd.h:90
static void x_destroy(XDR *xdrs)
Definition: xdr_sizeof.c:113
#define free
Definition: debug_ros.c:5
static bool_t x_putlong(XDR *xdrs, const long *longp)
Definition: xdr_sizeof.c:49
u_int x_handy
Definition: xdr.h:127
GLint GLint GLint GLint GLint x
Definition: gl.h:1548
char * caddr_t
Definition: rosdhcp.h:36
Definition: xdr.h:103
bool_t(* xdrproc_t)(XDR *,...)
Definition: xdr.h:144
smooth NULL
Definition: ftsmooth.c:416
#define PtrToUlong(u)
Definition: config.h:107
static u_int x_getpostn(XDR *xdrs)
Definition: xdr_sizeof.c:64
enum xdr_op x_op
Definition: xdr.h:104
static int32_t * x_inline(XDR *xdrs, u_int len)
Definition: xdr_sizeof.c:78
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: gl.h:1950
Definition: xdr.h:85
Definition: stat.h:55
GLenum GLsizei len
Definition: glext.h:6722
INT32 int32_t
Definition: types.h:71
_CRTIMP int __cdecl stat(const char *_Filename, struct stat *_Stat)
Definition: stat.h:345
void * x_private
Definition: xdr.h:125
#define caddr_t
Definition: ftp.c:24
UINT32 u_int
Definition: types.h:82
static bool_t x_putbytes(XDR *xdrs, const char *bp, u_int len)
Definition: xdr_sizeof.c:57
#define malloc
Definition: debug_ros.c:4
unsigned long xdr_sizeof(xdrproc_t func, void *data)
Definition: xdr_sizeof.c:125
static int harmless()
Definition: xdr_sizeof.c:106
char * x_base
Definition: xdr.h:126
static bool_t x_setpostn(XDR *xdrs, u_int pos)
Definition: xdr_sizeof.c:71
#define BYTES_PER_XDR_UNIT
Definition: xdr.h:93