1 /* Copyright (C) 2014, Felix Morgner <felix.morgner@gmail.com>
2 Copyright (C) 2009-2014, Martin Johansson <martin@fatbob.nu>
3 Copyright (C) 2005-2014, Thorvald Natvig <thorvald@natvig.com>
7 Redistribution and use in source and binary forms, with or without
8 modification, are permitted provided that the following conditions
11 - Redistributions of source code must retain the above copyright notice,
12 this list of conditions and the following disclaimer.
13 - Redistributions in binary form must reproduce the above copyright notice,
14 this list of conditions and the following disclaimer in the documentation
15 and/or other materials provided with the distribution.
16 - Neither the name of the Developers nor the names of its contributors may
17 be used to endorse or promote products derived from this software without
18 specific prior written permission.
20 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
24 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
27 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
28 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
29 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38 #if defined(__NetBSD__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__APPLE__)
39 #include <machine/endian.h>
40 #if BYTE_ORDER == BIG_ENDIAN
41 #define BYTE_ORDER_BIG_ENDIAN
42 #endif // BYTE_ORDER == BIG_ENDIAN
45 #if __BYTE_ORDER == __BIG_ENDIAN
46 #define BYTE_ORDER_BIG_ENDIAN
47 #endif // __BYTE_ORDER == __BIG_ENDIAN
48 #endif // defined(__NetBSD__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__APPLE__)
53 typedef uint64_t subblock;
54 #if defined(BYTE_ORDER_BIG_ENDIAN)
55 #define SWAPPED(x) (x)
56 #elif defined( __x86_64__)
57 #define SWAPPED(x) ({register uint64_t __out, __in = (x); __asm__("bswap %q0" : "=r"(__out) : "0"(__in)); __out;})
60 #define SWAPPED(x) bswap_64(x)
61 #endif // defined(BYTE_ORDER_BIG_ENDIAN)
65 typedef uint32_t subblock;
66 #define SWAPPED(x) htonl(x)
67 #endif // defined(__LP64__)
69 #define HIGHBIT (1<<SHIFTBITS);
71 #endif // BYTEORDER_H_