Mercurial > code
annotate pack.h @ 143:0cf53c588a83
Merge
author | David Demelier <markand@malikania.fr> |
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date | Fri, 11 May 2012 00:10:37 +0200 |
parents | 07800b7af208 |
children | a6a7cd08be72 |
rev | line source |
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56 | 1 /* |
98 | 2 * pack.h -- endian dependant binary file reader |
3 * | |
4 * Copyright (c) 2011, 2012, David Demelier <markand@malikania.fr> | |
56 | 5 * |
6 * Permission to use, copy, modify, and/or distribute this software for any | |
7 * purpose with or without fee is hereby granted, provided that the above | |
8 * copyright notice and this permission notice appear in all copies. | |
9 * | |
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
17 */ | |
18 | |
19 #ifndef _PACK_H_ | |
20 #define _PACK_H_ | |
21 | |
22 #include <stdarg.h> | |
23 | |
135
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24 #ifdef __cplusplus |
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25 extern "C" { |
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26 #endif |
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27 |
56 | 28 /* |
29 * Endian detection based on SDL_endian.h | |
30 */ | |
31 | |
32 #undef PACK_HOST_BYTEORDER | |
33 | |
57
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34 #define PACK_LE 1234 |
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35 #define PACK_BE 4321 |
56 | 36 |
37 #if defined(__hppa__) || \ | |
38 defined(__m68k__) || defined(mc68000) || defined(_M_M68K) || \ | |
39 (defined(__MIPS__) && defined(__MISPEB__)) || \ | |
40 defined(__ppc__) || defined(__POWERPC__) || defined(_M_PPC) || \ | |
41 defined(__sparc__) | |
57
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42 # define PACK_HOST_BYTEORDER PACK_BE |
56 | 43 #else |
57
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44 # define PACK_HOST_BYTEORDER PACK_LE |
56 | 45 #endif |
46 | |
47 #define pack_swap16(x) \ | |
48 ((((x) >> 8) & 0x00FFL) | (((x) << 8) & 0xFF00L)) | |
49 | |
50 #define pack_swap32(x) ((((x) >> 24) & 0x000000FFL) \ | |
51 | (((x) >> 8) & 0x0000FF00L) \ | |
52 | (((x) << 8) & 0x00FF0000L) \ | |
53 | (((x) << 24) & 0xFF000000L)) | |
54 | |
55 #define pack_swap64(x) (((uint64_t) \ | |
56 ((uint32_t) pack_swap32((uint32_t) (((x) << 32) >> 32))) << 32) \ | |
57 | (uint32_t) pack_swap32((uint32_t) ((x) >> 32))) | |
58 | |
57
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59 int pack_write(int, const char *, const char *, ...); |
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60 int pack_vwrite(int, const char *, const char *, va_list); |
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61 int pack_fwrite(int, FILE *, const char *, ...); |
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62 int pack_vfwrite(int, FILE *, const char *, va_list); |
56 | 63 |
57
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64 int pack_read(int, const char *, const char *, ...); |
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65 int pack_vread(int, const char *, const char *, va_list); |
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66 int pack_fread(int, FILE *, const char *, ...); |
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67 int pack_vfread(int, FILE *, const char *, va_list); |
56 | 68 |
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69 #ifdef __cplusplus |
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70 } |
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71 #endif |
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72 |
56 | 73 #endif /* _PACK_H_ */ |