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author | Jakub Jelinek <jakub@redhat.com> | 2007-07-12 18:26:36 +0000 |
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committer | Jakub Jelinek <jakub@redhat.com> | 2007-07-12 18:26:36 +0000 |
commit | 0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch) | |
tree | 2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /sunrpc/tst-xdrmem2.c | |
parent | 7d58530341304d403a6626d7f7a1913165fe2f32 (diff) | |
download | glibc-0ecb606cb6cf65de1d9fc8a919bceb4be476c602.zip glibc-0ecb606cb6cf65de1d9fc8a919bceb4be476c602.tar.gz glibc-0ecb606cb6cf65de1d9fc8a919bceb4be476c602.tar.bz2 |
2.5-18.1
Diffstat (limited to 'sunrpc/tst-xdrmem2.c')
-rw-r--r-- | sunrpc/tst-xdrmem2.c | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/sunrpc/tst-xdrmem2.c b/sunrpc/tst-xdrmem2.c new file mode 100644 index 0000000..eed8ccc --- /dev/null +++ b/sunrpc/tst-xdrmem2.c @@ -0,0 +1,114 @@ +/* Copyright (C) 2006 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jakub@redhat.com>, 2006. + + 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <limits.h> +#include <stdio.h> +#include <string.h> +#include <rpc/rpc.h> +#include <sys/mman.h> +#include <unistd.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" |