master
 1/* Inline functions to return unsigned integer values unchanged.
 2   Copyright (C) 2017-2025 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#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
32static __inline __uint16_t
33__uint16_identity (__uint16_t __x)
34{
35  return __x;
36}
37
38static __inline __uint32_t
39__uint32_identity (__uint32_t __x)
40{
41  return __x;
42}
43
44static __inline __uint64_t
45__uint64_identity (__uint64_t __x)
46{
47  return __x;
48}
49
50#endif /* _BITS_UINTN_IDENTITY_H.  */