Edit: uintn-identity.h
/* Inline functions to return unsigned integer values unchanged. Copyright (C) 2017-2018 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 <http://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. */
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