1 | /* Test hton/ntoh functions. |
2 | Copyright (C) 1997-2024 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 <endian.h> |
20 | #include <stdio.h> |
21 | #include <sys/types.h> |
22 | #include <netinet/in.h> |
23 | |
24 | #if BYTE_ORDER == BIG_ENDIAN |
25 | # define TEST(orig, swapped, fct) \ |
26 | if ((fct (orig)) != (orig)) { \ |
27 | printf ("Failed for %s -> %#x\n", #fct "(" #orig ")", fct (orig)); \ |
28 | result = 1; \ |
29 | } |
30 | #elif BYTE_ORDER == LITTLE_ENDIAN |
31 | # define TEST(orig, swapped, fct) \ |
32 | if ((fct (orig)) != (swapped)) { \ |
33 | printf ("Failed for %s -> %#x\n", #fct "(" #orig ")", fct (orig)); \ |
34 | result = 1; \ |
35 | } |
36 | #else |
37 | # error "Bah, what kind of system do you use?" |
38 | #endif |
39 | |
40 | uint32_t lo = 0x67452301; |
41 | uint16_t foo = 0x1234; |
42 | |
43 | int |
44 | main (void) |
45 | { |
46 | int result = 0; |
47 | |
48 | TEST (0x67452301, 0x01234567, htonl); |
49 | TEST (0x67452301, 0x01234567, (htonl)); |
50 | TEST (0x67452301, 0x01234567, ntohl); |
51 | TEST (0x67452301, 0x01234567, (ntohl)); |
52 | |
53 | TEST (lo, 0x01234567, htonl); |
54 | TEST (lo, 0x01234567, (htonl)); |
55 | TEST (lo, 0x01234567, ntohl); |
56 | TEST (lo, 0x01234567, (ntohl)); |
57 | |
58 | TEST (0x1234, 0x3412, htons); |
59 | TEST (0x1234, 0x3412, (htons)); |
60 | TEST (0x1234, 0x3412, ntohs); |
61 | TEST (0x1234, 0x3412, (ntohs)); |
62 | |
63 | TEST (foo, 0x3412, htons); |
64 | TEST (foo, 0x3412, (htons)); |
65 | TEST (foo, 0x3412, ntohs); |
66 | TEST (foo, 0x3412, (ntohs)); |
67 | |
68 | return result; |
69 | } |
70 | |