| 1 | /* Copyright (C) 1992, 1996, 1997, 2000 Free Software Foundation, Inc.
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| 2 | This file is part of the GNU C Library.
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| 3 |
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| 4 | The GNU C Library is free software; you can redistribute it and/or
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| 5 | modify it under the terms of the GNU Lesser General Public
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| 6 | License as published by the Free Software Foundation; either
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| 7 | version 2.1 of the License, or (at your option) any later version.
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| 8 |
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| 9 | The GNU C Library is distributed in the hope that it will be useful,
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 12 | Lesser General Public License for more details.
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| 13 |
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| 14 | You should have received a copy of the GNU Lesser General Public
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| 15 | License along with the GNU C Library; if not, write to the Free
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| 16 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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| 17 | 02111-1307 USA. */
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| 18 |
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| 19 | /**
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| 20 | * GLIBC 2.3.3
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| 21 | */
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| 22 |
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| 23 | #ifndef _ENDIAN_H
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| 24 | #define _ENDIAN_H 1
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| 25 |
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| 26 | #include <features.h>
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| 27 |
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| 28 | /* Definitions for byte order, according to significance of bytes,
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| 29 | from low addresses to high addresses. The value is what you get by
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| 30 | putting '4' in the most significant byte, '3' in the second most
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| 31 | significant byte, '2' in the second least significant byte, and '1'
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| 32 | in the least significant byte, and then writing down one digit for
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| 33 | each byte, starting with the byte at the lowest address at the left,
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| 34 | and proceeding to the byte with the highest address at the right. */
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| 35 |
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| 36 | #if 0 /* bird */
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| 37 | #define __LITTLE_ENDIAN 1234
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| 38 | #define __BIG_ENDIAN 4321
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| 39 | #define __PDP_ENDIAN 3412
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| 40 |
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| 41 | /* This file defines `__BYTE_ORDER' for the particular machine. */
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| 42 | #include <bits/endian.h>
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| 43 |
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| 44 | #else /* bird */
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| 45 |
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| 46 | #include <sys/endian.h>
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| 47 | #define __LITTLE_ENDIAN _LITTLE_ENDIAN
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| 48 | #define __BIG_ENDIAN _BIG_ENDIAN
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| 49 | #define __PDP_ENDIAN _PDP_ENDIAN
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| 50 | #define __BYTE_ORDER _BYTE_ORDER
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| 51 | #endif /* bird */
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| 52 |
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| 53 | /* Some machines may need to use a different endianness for floating point
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| 54 | values. */
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| 55 | #ifndef __FLOAT_WORD_ORDER
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| 56 | # define __FLOAT_WORD_ORDER __BYTE_ORDER
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| 57 | #endif
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| 58 |
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| 59 | #if 0 /* bird */
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| 60 | #ifdef __USE_BSD
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| 61 | # define LITTLE_ENDIAN __LITTLE_ENDIAN
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| 62 | # define BIG_ENDIAN __BIG_ENDIAN
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| 63 | # define PDP_ENDIAN __PDP_ENDIAN
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| 64 | # define BYTE_ORDER __BYTE_ORDER
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| 65 | #endif
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| 66 | #endif /* bird */
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| 67 |
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| 68 | #if __BYTE_ORDER == __LITTLE_ENDIAN
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| 69 | # define __LONG_LONG_PAIR(HI, LO) LO, HI
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| 70 | #elif __BYTE_ORDER == __BIG_ENDIAN
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| 71 | # define __LONG_LONG_PAIR(HI, LO) HI, LO
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| 72 | #endif
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| 73 |
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| 74 | #endif /* endian.h */
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