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/* Copyright (C) 2006-2022 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <limits.h>
#include <stdio.h>
#include <string.h>
#include <rpc/rpc.h>
#include <sys/mman.h>
#include <unistd.h>
#include <stdint.h>
static int
do_test (void)
{
XDR xdrs;
void *buf;
size_t ps = sysconf (_SC_PAGESIZE);
uintptr_t half = -1;
int v_int;
u_short v_u_short;
half = (half >> 1) & ~(uintptr_t) (ps - 1);
buf = mmap ((void *) half, 2 * ps, PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANON, -1, 0);
if (buf == MAP_FAILED || buf != (void *) half)
{
puts ("Couldn't mmap 2 pages in the middle of address space");
return 0;
}
xdrmem_create (&xdrs, (char *) buf, 2 * ps, XDR_ENCODE);
#define T(type, val) \
v_##type = val; \
if (! xdr_##type (&xdrs, &v_##type)) \
{ \
puts ("encoding of " #type \
" " #val " failed"); \
return 1; \
}
T(int, 127)
u_int pos = xdr_getpos (&xdrs);
T(u_short, 31)
if (! xdr_setpos (&xdrs, pos))
{
puts ("xdr_setpos during encoding failed");
return 1;
}
T(u_short, 36)
#undef T
xdr_destroy (&xdrs);
xdrmem_create (&xdrs, (char *) buf, 2 * ps, XDR_DECODE);
#define T(type, val) \
v_##type = 0x15; \
if (! xdr_##type (&xdrs, &v_##type)) \
{ \
puts ("decoding of " #type \
" " #val " failed"); \
return 1; \
} \
if (v_##type != val) \
{ \
puts ("decoded value differs, " \
"type " #type " " #val); \
return 1; \
}
T(int, 127)
pos = xdr_getpos (&xdrs);
T(u_short, 36)
if (! xdr_setpos (&xdrs, pos))
{
puts ("xdr_setpos during encoding failed");
return 1;
}
T(u_short, 36)
#undef T
xdr_destroy (&xdrs);
return 0;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
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