projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 04277e02 | 1 | /* Copyright (C) 2006-2019 Free Software Foundation, Inc. |
| 609cf614 UD |
2 | This file is part of the GNU C Library. |
| 3 | Contributed by Jakub Jelinek <jakub@redhat.com>, 2006. | |
| 4 | ||
| 5 | The GNU C Library is free software; you can redistribute it and/or | |
| 6 | modify it under the terms of the GNU Lesser General Public | |
| 7 | License as published by the Free Software Foundation; either | |
| 8 | version 2.1 of the License, or (at your option) any later version. | |
| 9 | ||
| 10 | The GNU C Library is distributed in the hope that it will be useful, | |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 | Lesser General Public License for more details. | |
| 14 | ||
| 15 | You should have received a copy of the GNU Lesser General Public | |
| 59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
| 17 | <http://www.gnu.org/licenses/>. */ | |
| 609cf614 UD |
18 | |
| 19 | #include <limits.h> | |
| 20 | #include <stdio.h> | |
| 21 | #include <string.h> | |
| 22 | #include <rpc/rpc.h> | |
| 23 | #include <sys/mman.h> | |
| 24 | #include <unistd.h> | |
| a972dc67 | 25 | #include <stdint.h> |
| 609cf614 UD |
26 | |
| 27 | static int | |
| 28 | do_test (void) | |
| 29 | { | |
| 30 | XDR xdrs; | |
| 31 | void *buf; | |
| 32 | size_t ps = sysconf (_SC_PAGESIZE); | |
| 33 | uintptr_t half = -1; | |
| 34 | int v_int; | |
| 35 | u_short v_u_short; | |
| 36 | ||
| 37 | half = (half >> 1) & ~(uintptr_t) (ps - 1); | |
| 38 | buf = mmap ((void *) half, 2 * ps, PROT_READ | PROT_WRITE, | |
| 39 | MAP_PRIVATE | MAP_ANON, -1, 0); | |
| 40 | if (buf == MAP_FAILED || buf != (void *) half) | |
| 41 | { | |
| 42 | puts ("Couldn't mmap 2 pages in the middle of address space"); | |
| 43 | return 0; | |
| 44 | } | |
| 45 | ||
| 46 | xdrmem_create (&xdrs, (char *) buf, 2 * ps, XDR_ENCODE); | |
| 47 | ||
| 48 | #define T(type, val) \ | |
| 49 | v_##type = val; \ | |
| 50 | if (! xdr_##type (&xdrs, &v_##type)) \ | |
| 51 | { \ | |
| 52 | puts ("encoding of " #type \ | |
| 53 | " " #val " failed"); \ | |
| 54 | return 1; \ | |
| 55 | } | |
| 56 | ||
| 57 | T(int, 127) | |
| 58 | ||
| 59 | u_int pos = xdr_getpos (&xdrs); | |
| 60 | ||
| 61 | T(u_short, 31) | |
| 62 | ||
| 63 | if (! xdr_setpos (&xdrs, pos)) | |
| 64 | { | |
| 65 | puts ("xdr_setpos during encoding failed"); | |
| 66 | return 1; | |
| 67 | } | |
| 68 | ||
| 69 | T(u_short, 36) | |
| 70 | ||
| 71 | #undef T | |
| 72 | ||
| 73 | xdr_destroy (&xdrs); | |
| 74 | ||
| 75 | xdrmem_create (&xdrs, (char *) buf, 2 * ps, XDR_DECODE); | |
| 76 | ||
| 77 | #define T(type, val) \ | |
| 78 | v_##type = 0x15; \ | |
| 79 | if (! xdr_##type (&xdrs, &v_##type)) \ | |
| 80 | { \ | |
| 81 | puts ("decoding of " #type \ | |
| 82 | " " #val " failed"); \ | |
| 83 | return 1; \ | |
| 84 | } \ | |
| 85 | if (v_##type != val) \ | |
| 86 | { \ | |
| 87 | puts ("decoded value differs, " \ | |
| 88 | "type " #type " " #val); \ | |
| 89 | return 1; \ | |
| 90 | } | |
| 91 | ||
| 92 | T(int, 127) | |
| 93 | ||
| 94 | pos = xdr_getpos (&xdrs); | |
| 95 | ||
| 96 | T(u_short, 36) | |
| 97 | ||
| 98 | if (! xdr_setpos (&xdrs, pos)) | |
| 99 | { | |
| 100 | puts ("xdr_setpos during encoding failed"); | |
| 101 | return 1; | |
| 102 | } | |
| 103 | ||
| 104 | T(u_short, 36) | |
| 105 | ||
| 106 | #undef T | |
| 107 | ||
| 108 | xdr_destroy (&xdrs); | |
| 109 | ||
| 110 | return 0; | |
| 111 | } | |
| 112 | ||
| 113 | #define TEST_FUNCTION do_test () | |
| 114 | #include "../test-skeleton.c" |