1 /*
2 * Multi-include test program
3 * Validates that xxhash.h can be included multiple times and in any order
4 *
5 * Copyright (C) 2020 Yann Collet
6 *
7 * GPL v2 License
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License along
20 * with this program; if not, write to the Free Software Foundation, Inc.,
21 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
22 *
23 * You can contact the author at:
24 * - xxHash homepage: https://www.xxhash.com
25 * - xxHash source repository: https://github.com/Cyan4973/xxHash
26 */
27
28 #include <stdio.h> /* printf */
29
30 /* Normal include, gives access to public symbols */
31 #include "../xxhash.h"
32
33 /*
34 * Advanced include, gives access to experimental symbols
35 * This test ensure that xxhash.h can be included multiple times and in any
36 * order. This order is more difficult: Without care, the declaration of
37 * experimental symbols could be skipped.
38 */
39 #define XXH_STATIC_LINKING_ONLY
40 #include "../xxhash.h"
41
42 /*
43 * Inlining: Re-define all identifiers, keep them private to the unit.
44 * Note: Without specific efforts, the identifier names would collide.
45 *
46 * To be linked with and without xxhash.o to test the symbol's presence and
47 * naming collisions.
48 */
49 #define XXH_INLINE_ALL
50 #include "../xxhash.h"
51
52
main(void)53 int main(void)
54 {
55 XXH3_state_t state; /* part of experimental API */
56
57 XXH3_64bits_reset(&state);
58 const char input[] = "Hello World !";
59
60 XXH3_64bits_update(&state, input, sizeof(input));
61
62 XXH64_hash_t const h = XXH3_64bits_digest(&state);
63 printf("hash '%s': %08x%08x \n", input, (unsigned)(h >> 32), (unsigned)h);
64
65 return 0;
66 }
67