glibc/bits/uintn-identity.h

51 lines
1.5 KiB
C

/* Inline functions to return unsigned integer values unchanged.
Copyright (C) 2017-2023 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#if !defined _NETINET_IN_H && !defined _ENDIAN_H
# error "Never use <bits/uintn-identity.h> directly; include <netinet/in.h> or <endian.h> instead."
#endif
#ifndef _BITS_UINTN_IDENTITY_H
#define _BITS_UINTN_IDENTITY_H 1
#include <bits/types.h>
/* These inline functions are to ensure the appropriate type
conversions and associated diagnostics from macros that convert to
a given endianness. */
static __inline __uint16_t
__uint16_identity (__uint16_t __x)
{
return __x;
}
static __inline __uint32_t
__uint32_identity (__uint32_t __x)
{
return __x;
}
static __inline __uint64_t
__uint64_identity (__uint64_t __x)
{
return __x;
}
#endif /* _BITS_UINTN_IDENTITY_H. */