root / lab4 / .minix-src / include / magic.h @ 13
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1 | 13 | up20180614 | /*
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2 | * Copyright (c) Christos Zoulas 2003.
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3 | * All Rights Reserved.
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4 | *
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5 | * Redistribution and use in source and binary forms, with or without
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6 | * modification, are permitted provided that the following conditions
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7 | * are met:
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8 | * 1. Redistributions of source code must retain the above copyright
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9 | * notice immediately at the beginning of the file, without modification,
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10 | * this list of conditions, and the following disclaimer.
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11 | * 2. Redistributions in binary form must reproduce the above copyright
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12 | * notice, this list of conditions and the following disclaimer in the
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13 | * documentation and/or other materials provided with the distribution.
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14 | *
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15 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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16 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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17 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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18 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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19 | * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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20 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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21 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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22 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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23 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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24 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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25 | * SUCH DAMAGE.
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26 | */
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27 | #ifndef _MAGIC_H
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28 | #define _MAGIC_H
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29 | |||
30 | #include <sys/types.h> |
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31 | |||
32 | #define MAGIC_NONE 0x000000 /* No flags */ |
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33 | #define MAGIC_DEBUG 0x000001 /* Turn on debugging */ |
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34 | #define MAGIC_SYMLINK 0x000002 /* Follow symlinks */ |
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35 | #define MAGIC_COMPRESS 0x000004 /* Check inside compressed files */ |
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36 | #define MAGIC_DEVICES 0x000008 /* Look at the contents of devices */ |
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37 | #define MAGIC_MIME_TYPE 0x000010 /* Return the MIME type */ |
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38 | #define MAGIC_CONTINUE 0x000020 /* Return all matches */ |
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39 | #define MAGIC_CHECK 0x000040 /* Print warnings to stderr */ |
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40 | #define MAGIC_PRESERVE_ATIME 0x000080 /* Restore access time on exit */ |
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41 | #define MAGIC_RAW 0x000100 /* Don't translate unprintable chars */ |
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42 | #define MAGIC_ERROR 0x000200 /* Handle ENOENT etc as real errors */ |
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43 | #define MAGIC_MIME_ENCODING 0x000400 /* Return the MIME encoding */ |
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44 | #define MAGIC_MIME (MAGIC_MIME_TYPE|MAGIC_MIME_ENCODING)
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45 | #define MAGIC_APPLE 0x000800 /* Return the Apple creator and type */ |
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46 | |||
47 | #define MAGIC_NO_CHECK_COMPRESS 0x001000 /* Don't check for compressed files */ |
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48 | #define MAGIC_NO_CHECK_TAR 0x002000 /* Don't check for tar files */ |
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49 | #define MAGIC_NO_CHECK_SOFT 0x004000 /* Don't check magic entries */ |
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50 | #define MAGIC_NO_CHECK_APPTYPE 0x008000 /* Don't check application type */ |
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51 | #define MAGIC_NO_CHECK_ELF 0x010000 /* Don't check for elf details */ |
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52 | #define MAGIC_NO_CHECK_TEXT 0x020000 /* Don't check for text files */ |
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53 | #define MAGIC_NO_CHECK_CDF 0x040000 /* Don't check for cdf files */ |
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54 | #define MAGIC_NO_CHECK_TOKENS 0x100000 /* Don't check tokens */ |
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55 | #define MAGIC_NO_CHECK_ENCODING 0x200000 /* Don't check text encodings */ |
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56 | |||
57 | /* No built-in tests; only consult the magic file */
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58 | #define MAGIC_NO_CHECK_BUILTIN ( \
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59 | MAGIC_NO_CHECK_COMPRESS | \ |
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60 | MAGIC_NO_CHECK_TAR | \ |
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61 | /* MAGIC_NO_CHECK_SOFT | */ \
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62 | MAGIC_NO_CHECK_APPTYPE | \ |
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63 | MAGIC_NO_CHECK_ELF | \ |
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64 | MAGIC_NO_CHECK_TEXT | \ |
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65 | MAGIC_NO_CHECK_CDF | \ |
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66 | MAGIC_NO_CHECK_TOKENS | \ |
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67 | MAGIC_NO_CHECK_ENCODING | \ |
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68 | 0 \
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69 | ) |
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70 | |||
71 | /* Defined for backwards compatibility (renamed) */
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72 | #define MAGIC_NO_CHECK_ASCII MAGIC_NO_CHECK_TEXT
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73 | |||
74 | /* Defined for backwards compatibility; do nothing */
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75 | #define MAGIC_NO_CHECK_FORTRAN 0x000000 /* Don't check ascii/fortran */ |
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76 | #define MAGIC_NO_CHECK_TROFF 0x000000 /* Don't check ascii/troff */ |
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77 | |||
78 | #define MAGIC_VERSION 522 /* This implementation */ |
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79 | |||
80 | |||
81 | #ifdef __cplusplus
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82 | extern "C" { |
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83 | #endif
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84 | |||
85 | typedef struct magic_set *magic_t; |
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86 | magic_t magic_open(int);
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87 | void magic_close(magic_t);
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88 | |||
89 | const char *magic_getpath(const char *, int); |
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90 | const char *magic_file(magic_t, const char *); |
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91 | const char *magic_descriptor(magic_t, int); |
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92 | const char *magic_buffer(magic_t, const void *, size_t); |
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93 | |||
94 | const char *magic_error(magic_t); |
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95 | int magic_setflags(magic_t, int); |
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96 | |||
97 | int magic_version(void); |
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98 | int magic_load(magic_t, const char *); |
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99 | int magic_load_buffers(magic_t, void **, size_t *, size_t); |
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100 | |||
101 | int magic_compile(magic_t, const char *); |
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102 | int magic_check(magic_t, const char *); |
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103 | int magic_list(magic_t, const char *); |
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104 | int magic_errno(magic_t);
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105 | |||
106 | #define MAGIC_PARAM_INDIR_MAX 0 |
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107 | #define MAGIC_PARAM_NAME_MAX 1 |
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108 | #define MAGIC_PARAM_ELF_PHNUM_MAX 2 |
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109 | #define MAGIC_PARAM_ELF_SHNUM_MAX 3 |
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110 | #define MAGIC_PARAM_ELF_NOTES_MAX 4 |
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111 | |||
112 | int magic_setparam(magic_t, int, const void *); |
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113 | int magic_getparam(magic_t, int, void *); |
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114 | |||
115 | #ifdef __cplusplus
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116 | }; |
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117 | #endif
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118 | |||
119 | #endif /* _MAGIC_H */ |