Mercurial > code
annotate pack.h @ 182:15b264d9e833
Add Luae class
author | David Demelier <markand@malikania.fr> |
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date | Tue, 29 Oct 2013 21:32:20 +0100 |
parents | 1167cd06b475 |
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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> | |
167 | 23 #include <stdint.h> |
56 | 24 |
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25 #define PACK_LE 1234 |
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26 #define PACK_BE 4321 |
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27 |
56 | 28 /* |
29 * Endian detection based on SDL_endian.h | |
30 */ | |
31 | |
32 #undef PACK_HOST_BYTEORDER | |
33 | |
34 #if defined(__hppa__) || \ | |
35 defined(__m68k__) || defined(mc68000) || defined(_M_M68K) || \ | |
36 (defined(__MIPS__) && defined(__MISPEB__)) || \ | |
37 defined(__ppc__) || defined(__POWERPC__) || defined(_M_PPC) || \ | |
38 defined(__sparc__) | |
57
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39 # define PACK_HOST_BYTEORDER PACK_BE |
56 | 40 #else |
57
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41 # define PACK_HOST_BYTEORDER PACK_LE |
56 | 42 #endif |
43 | |
44 #define pack_swap16(x) \ | |
45 ((((x) >> 8) & 0x00FFL) | (((x) << 8) & 0xFF00L)) | |
46 | |
47 #define pack_swap32(x) ((((x) >> 24) & 0x000000FFL) \ | |
48 | (((x) >> 8) & 0x0000FF00L) \ | |
49 | (((x) << 8) & 0x00FF0000L) \ | |
50 | (((x) << 24) & 0xFF000000L)) | |
51 | |
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52 #define pack_swap64(x) (((long) \ |
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53 ((int) pack_swap32((int) (((x) << 32) >> 32))) << 32) \ |
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54 | (int) pack_swap32((int) ((x) >> 32))) |
153 | 55 |
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56 #ifdef __cplusplus |
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57 extern "C" { |
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58 #endif |
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59 |
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60 long pack_write(short, const char *, const char *, ...); |
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61 long pack_vwrite(short, const char *, const char *, va_list); |
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62 long pack_fwrite(short, FILE *, const char *, ...); |
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63 long pack_vfwrite(short, FILE *, const char *, va_list); |
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64 long pack_swrite(short, char *, size_t, const char *, ...); |
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65 long pack_vswrite(short, char *, size_t, const char *, va_list); |
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66 long pack_aswrite(short, char **, const char *, ...); |
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67 long pack_vaswrite(short, char **, const char *, va_list); |
56 | 68 |
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69 long pack_read(short, const char *, const char *, ...); |
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70 long pack_vread(short, const char *, const char *, va_list); |
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71 long pack_fread(short, FILE *, const char *, ...); |
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72 long pack_vfread(short, FILE *, const char *, va_list); |
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73 long pack_sread(short, const char *, size_t, const char *, ...); |
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74 long pack_vsread(short, const char *, size_t, const char *, va_list); |
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75 |
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76 #ifdef __cplusplus |
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77 } |
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78 #endif |
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79 |
56 | 80 #endif /* _PACK_H_ */ |