| 1 | /* Inline functions to return unsigned integer values unchanged. | 
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| 2 | Copyright (C) 2017-2020 Free Software Foundation, Inc. | 
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| 3 | This file is part of the GNU C Library. | 
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| 4 |  | 
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| 5 | The GNU C Library is free software; you can redistribute it and/or | 
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| 6 | modify it under the terms of the GNU Lesser General Public | 
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| 7 | License as published by the Free Software Foundation; either | 
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| 8 | version 2.1 of the License, or (at your option) any later version. | 
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| 9 |  | 
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| 10 | The GNU C Library is distributed in the hope that it will be useful, | 
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | 
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU | 
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| 13 | Lesser General Public License for more details. | 
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| 14 |  | 
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| 15 | You should have received a copy of the GNU Lesser General Public | 
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| 16 | License along with the GNU C Library; if not, see | 
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| 17 | <https://www.gnu.org/licenses/>.  */ | 
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| 18 |  | 
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| 19 | #if !defined _NETINET_IN_H && !defined _ENDIAN_H | 
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| 20 | # error "Never use <bits/uintn-identity.h> directly; include <netinet/in.h> or <endian.h> instead." | 
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| 21 | #endif | 
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| 22 |  | 
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| 23 | #ifndef _BITS_UINTN_IDENTITY_H | 
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| 24 | #define _BITS_UINTN_IDENTITY_H 1 | 
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| 25 |  | 
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| 26 | #include <bits/types.h> | 
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| 27 |  | 
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| 28 | /* These inline functions are to ensure the appropriate type | 
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| 29 | conversions and associated diagnostics from macros that convert to | 
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| 30 | a given endianness.  */ | 
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| 31 |  | 
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| 32 | static __inline __uint16_t | 
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| 33 | __uint16_identity (__uint16_t __x) | 
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| 34 | { | 
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| 35 | return __x; | 
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| 36 | } | 
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| 37 |  | 
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| 38 | static __inline __uint32_t | 
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| 39 | __uint32_identity (__uint32_t __x) | 
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| 40 | { | 
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| 41 | return __x; | 
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| 42 | } | 
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| 43 |  | 
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| 44 | static __inline __uint64_t | 
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| 45 | __uint64_identity (__uint64_t __x) | 
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| 46 | { | 
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| 47 | return __x; | 
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| 48 | } | 
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| 49 |  | 
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| 50 | #endif /* _BITS_UINTN_IDENTITY_H.  */ | 
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| 51 |  | 
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