/[zanavi_public1]/navit/navit/endianess.h
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Contents of /navit/navit/endianess.h

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Revision 31 - (hide annotations) (download)
Mon Feb 4 17:41:59 2013 UTC (11 years, 1 month ago) by zoff99
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new map version, lots of fixes and experimental new features
1 zoff99 2 /**
2 zoff99 31 * ZANavi, Zoff Android Navigation system.
3     * Copyright (C) 2011-2012 Zoff <zoff@zoff.cc>
4     *
5     * This program is free software; you can redistribute it and/or
6     * modify it under the terms of the GNU General Public License
7     * version 2 as published by the Free Software Foundation.
8     *
9     * This program is distributed in the hope that it will be useful,
10     * but WITHOUT ANY WARRANTY; without even the implied warranty of
11     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12     * GNU General Public License for more details.
13     *
14     * You should have received a copy of the GNU General Public License
15     * along with this program; if not, write to the
16     * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17     * Boston, MA 02110-1301, USA.
18     */
19    
20     /**
21 zoff99 2 * Navit, a modular navigation system.
22     * Copyright (C) 2005-2008 Navit Team
23     *
24     * This program is free software; you can redistribute it and/or
25     * modify it under the terms of the GNU Library General Public License
26     * version 2 as published by the Free Software Foundation.
27     *
28     * This program is distributed in the hope that it will be useful,
29     * but WITHOUT ANY WARRANTY; without even the implied warranty of
30     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
31     * GNU Library General Public License for more details.
32     *
33     * You should have received a copy of the GNU Library General Public
34     * License along with this program; if not, write to the
35     * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
36     * Boston, MA 02110-1301, USA.
37     */
38     #ifndef __ENDIANESS_HANDLER__
39    
40 zoff99 31 /* The following is based on xorg/xserver/GL/glx/glxbyteorder.h
41     * which is (c) IBM Corp. 2006,2007 and originally licensed under the following
42     * BSD-license. All modifications in navit are licensed under the GNU GPL as
43     * described in file "COPYRIGHT".
44     *
45     * Portions also from GNU C Library include/bits/byteswap.h Also licsend
46     * under the GPL.
47     *
48     * --------------------------
49     * Permission is hereby granted, free of charge, to any person obtaining a
50     * copy of this software and associated documentation files (the "Software"),
51     * to deal in the Software without restriction, including without limitation
52     * the rights to use, copy, modify, merge, publish, distribute, sub license,
53     * and/or sell copies of the Software, and to permit persons to whom the
54     * Software is furnished to do so, subject to the following conditions:
55     *
56     * The above copyright notice and this permission notice (including the next
57     * paragraph) shall be included in all copies or substantial portions of the
58     * Software.
59     *
60     * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
61     * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
62     * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
63     * THE COPYRIGHT HOLDERS, THE AUTHORS, AND/OR THEIR SUPPLIERS BE LIABLE FOR
64     * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
65     * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
66     * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
67     */
68 zoff99 2 #if HAVE_BYTESWAP_H
69 zoff99 31 /* machine dependent versions of byte swapping functions. GNU extension.*/
70     #include <byteswap.h>
71 zoff99 2 #elif defined(USE_SYS_ENDIAN_H)
72 zoff99 31 #include <sys/endian.h>
73 zoff99 2 #elif defined(__APPLE__)
74 zoff99 31 #include <libkern/OSByteOrder.h>
75     #define __bswap_16 OSSwapInt16
76     #define __bswap_32 OSSwapInt32
77     #define __bswap_64 OSSwapInt64
78 zoff99 2
79     #ifndef __BYTE_ORDER
80 zoff99 31 #define __LITTLE_ENDIAN 1234
81     #define __BIG_ENDIAN 4321
82 zoff99 2
83 zoff99 31 #if defined(__LITTLE_ENDIAN__)
84     #define __BYTE_ORDER __LITTLE_ENDIAN
85     #elif defined(__BIG_ENDIAN__)
86     #define __BYTE_ORDER __BIG_ENDIAN
87     #else
88     #error "No endianness defined for Mac OS!"
89 zoff99 2 #endif
90 zoff99 31 #endif
91 zoff99 2
92     #elif defined(_WIN32) || defined(__CEGCC__)
93 zoff99 31 #define __BIG_ENDIAN 4321
94     #define __LITTLE_ENDIAN 1234
95     #define __BYTE_ORDER __LITTLE_ENDIAN
96 zoff99 2 #else
97 zoff99 31 #define __bswap_16(__bsx) ((((__bsx) >> 8) & 0xff) | (((__bsx) & 0xff) << 8))
98     #define __bswap_32(__bsx) ((((__bsx) & 0xff000000) >> 24) | \
99 zoff99 2 (((__bsx) & 0x00ff0000) >> 8) |\
100     (((__bsx) & 0x0000ff00) << 8) | \
101     (((__bsx) & 0x000000ff) << 24))
102    
103     #endif
104    
105     #if __BYTE_ORDER == __BIG_ENDIAN
106 zoff99 31 #define le16_to_cpu(x) __bswap_16 (x)
107     #define le32_to_cpu(x) __bswap_32 (x)
108     #define le64_to_cpu(x) __bswap_64 (x)
109     #define cpu_to_le16(x) __bswap_16 (x)
110     #define cpu_to_le32(x) __bswap_32 (x)
111     #define cpu_to_le64(x) __bswap_64 (x)
112 zoff99 2 #elif __BYTE_ORDER == __LITTLE_ENDIAN
113 zoff99 31 #define le16_to_cpu(x) (x)
114     #define le32_to_cpu(x) (x)
115     #define cpu_to_le16(x) (x)
116     #define cpu_to_le32(x) (x)
117 zoff99 2 #else
118 zoff99 31 // ------------------ ATTENTION !! CAUTION !! ---------
119     // ------------------ ATTENTION !! CAUTION !! ---------
120     // ------------------ ATTENTION !! CAUTION !! ---------
121     //
122     // #error "Unknown endianess"
123     // set LITTLE ENDIAN as default!!!!!!
124     //
125     // ------------------ ATTENTION !! CAUTION !! ---------
126     // ------------------ ATTENTION !! CAUTION !! ---------
127     #define le16_to_cpu(x) (x)
128     #define le32_to_cpu(x) (x)
129     #define cpu_to_le16(x) (x)
130     #define cpu_to_le32(x) (x)
131 zoff99 2 #endif
132    
133     #define __ENDIANESS_HANDLER__
134     #endif
135    

   
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