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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 8791 | turbocat | 1 | /** |
| 2 | * Copyright (c) 2017 rxi |
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| 3 | * |
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| 4 | * This library is free software; you can redistribute it and/or modify it |
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| 5 | * under the terms of the MIT license. See `microtar.c` for details. |
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| 6 | */ |
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| 7 | |||
| 8 | #ifndef MICROTAR_H |
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| 9 | #define MICROTAR_H |
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| 10 | |||
| 11 | #ifdef __cplusplus |
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| 12 | extern "C" |
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| 13 | { |
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| 14 | #endif |
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| 15 | |||
| 16 | #include |
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| 17 | #include |
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| 18 | |||
| 19 | #define MTAR_VERSION "0.1.0" |
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| 20 | |||
| 21 | enum { |
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| 22 | MTAR_ESUCCESS = 0, |
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| 23 | MTAR_EFAILURE = -1, |
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| 24 | MTAR_EOPENFAIL = -2, |
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| 25 | MTAR_EREADFAIL = -3, |
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| 26 | MTAR_EWRITEFAIL = -4, |
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| 27 | MTAR_ESEEKFAIL = -5, |
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| 28 | MTAR_EBADCHKSUM = -6, |
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| 29 | MTAR_ENULLRECORD = -7, |
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| 30 | MTAR_ENOTFOUND = -8 |
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| 31 | }; |
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| 32 | |||
| 33 | enum { |
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| 34 | MTAR_TREG = '0', |
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| 35 | MTAR_TLNK = '1', |
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| 36 | MTAR_TSYM = '2', |
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| 37 | MTAR_TCHR = '3', |
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| 38 | MTAR_TBLK = '4', |
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| 39 | MTAR_TDIR = '5', |
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| 40 | MTAR_TFIFO = '6' |
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| 41 | }; |
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| 42 | |||
| 43 | typedef struct { |
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| 44 | unsigned mode; |
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| 45 | unsigned owner; |
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| 46 | unsigned size; |
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| 47 | unsigned mtime; |
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| 48 | unsigned type; |
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| 49 | char name[100]; |
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| 50 | char linkname[100]; |
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| 51 | } mtar_header_t; |
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| 52 | |||
| 53 | |||
| 54 | typedef struct mtar_t mtar_t; |
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| 55 | |||
| 56 | #pragma pack(push,1) |
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| 57 | struct mtar_t { |
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| 58 | int (*read)(mtar_t *tar, void *data, unsigned size); |
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| 59 | int (*write)(mtar_t *tar, const void *data, unsigned size); |
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| 60 | int (*seek)(mtar_t *tar, unsigned pos); |
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| 61 | int (*close)(mtar_t *tar); |
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| 62 | void *stream; |
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| 63 | unsigned pos; |
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| 64 | unsigned remaining_data; |
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| 65 | unsigned last_header; |
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| 66 | }; |
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| 67 | #pragma pack(pop) |
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| 68 | |||
| 69 | const char* mtar_strerror(int err); |
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| 70 | |||
| 71 | int mtar_open(mtar_t *tar, const char *filename, const char *mode); |
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| 72 | int mtar_close(mtar_t *tar); |
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| 73 | |||
| 74 | int mtar_seek(mtar_t *tar, unsigned pos); |
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| 75 | int mtar_rewind(mtar_t *tar); |
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| 76 | int mtar_next(mtar_t *tar); |
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| 77 | int mtar_find(mtar_t *tar, const char *name, mtar_header_t *h); |
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| 78 | int mtar_read_header(mtar_t *tar, mtar_header_t *h); |
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| 79 | int mtar_read_data(mtar_t *tar, void *ptr, unsigned size); |
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| 80 | |||
| 81 | int mtar_write_header(mtar_t *tar, const mtar_header_t *h); |
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| 82 | int mtar_write_file_header(mtar_t *tar, const char *name, unsigned size); |
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| 83 | int mtar_write_dir_header(mtar_t *tar, const char *name); |
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| 84 | int mtar_write_data(mtar_t *tar, const void *data, unsigned size); |
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| 85 | int mtar_finalize(mtar_t *tar); |
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| 86 | |||
| 87 | #ifdef __cplusplus |
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| 88 | } |
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| 89 | #endif |
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| 90 | |||
| 91 | #endif |