1 | /* Test __nss_hash |
2 | Copyright (C) 2022-2024 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
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 |
16 | License along with the GNU C Library; if not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <support/support.h> |
20 | #include <support/check.h> |
21 | #include <stdio.h> |
22 | #include <string.h> |
23 | #include <stdlib.h> |
24 | #include <nss.h> |
25 | #include <simple-nss-hash.h> |
26 | |
27 | uint32_t __nss_hash (const void *__key, size_t __length); |
28 | |
29 | static int |
30 | do_fill_tests (size_t len, int fill) |
31 | { |
32 | uint32_t expec, res; |
33 | char buf[len]; |
34 | memset (buf, fill, len); |
35 | |
36 | expec = __simple_nss_hash (keyarg: buf, len); |
37 | res = __nss_hash (key: buf, length: len); |
38 | if (expec != res) |
39 | FAIL_EXIT1 ("FAIL: fill(%d) (%zu), %x != %x\n" , fill, len, expec, res); |
40 | |
41 | return 0; |
42 | } |
43 | |
44 | static int |
45 | do_rand_tests (size_t len) |
46 | { |
47 | uint32_t expec, res; |
48 | size_t i; |
49 | char buf[len]; |
50 | for (i = 0; i < len; ++i) |
51 | buf[i] = random (); |
52 | |
53 | expec = __simple_nss_hash (keyarg: buf, len); |
54 | res = __nss_hash (key: buf, length: len); |
55 | if (expec != res) |
56 | FAIL_EXIT1 ("FAIL: random (%zu), %x != %x\n" , len, expec, res); |
57 | |
58 | return 0; |
59 | } |
60 | |
61 | static int |
62 | do_test (void) |
63 | { |
64 | size_t i, j; |
65 | for (i = 0; i < 100; ++i) |
66 | { |
67 | for (j = 0; j < 8192; ++j) |
68 | { |
69 | if (do_rand_tests (len: i)) |
70 | return 1; |
71 | |
72 | if (do_fill_tests (len: i, fill: -1) || do_fill_tests (len: i, fill: 1) |
73 | || do_fill_tests (len: i, fill: 0x80) || do_fill_tests (len: i, fill: 0x88)) |
74 | return 1; |
75 | } |
76 | } |
77 | return 0; |
78 | } |
79 | |
80 | #include <support/test-driver.c> |
81 | |