1 | /* Inline functions to return unsigned integer values unchanged. |
2 | Copyright (C) 2017-2018 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 | <http://www.gnu.org/licenses/>. */ |
18 | |
19 | #if !defined _NETINET_IN_H && !defined _ENDIAN_H |
20 | # error "Never use <bits/uintn-identity.h> directly; include <netinet/in.h> or <endian.h> instead." |
21 | #endif |
22 | |
23 | #ifndef _BITS_UINTN_IDENTITY_H |
24 | #define _BITS_UINTN_IDENTITY_H 1 |
25 | |
26 | #include <bits/types.h> |
27 | |
28 | /* These inline functions are to ensure the appropriate type |
29 | conversions and associated diagnostics from macros that convert to |
30 | a given endianness. */ |
31 | |
32 | static __inline __uint16_t |
33 | __uint16_identity (__uint16_t __x) |
34 | { |
35 | return __x; |
36 | } |
37 | |
38 | static __inline __uint32_t |
39 | __uint32_identity (__uint32_t __x) |
40 | { |
41 | return __x; |
42 | } |
43 | |
44 | static __inline __uint64_t |
45 | __uint64_identity (__uint64_t __x) |
46 | { |
47 | return __x; |
48 | } |
49 | |
50 | #endif /* _BITS_UINTN_IDENTITY_H. */ |
51 | |