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3504 | jermar | 1 | /* |
2 | * Copyright (c) 2008 Jakub Jermar |
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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 | * |
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9 | * - Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * - 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 | * - The name of the author may not be used to endorse or promote products |
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15 | * derived from this software without specific prior written permission. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |||
29 | /** @addtogroup fs |
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30 | * @{ |
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31 | */ |
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32 | |||
33 | #ifndef FAT_FAT_DENTRY_H_ |
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34 | #define FAT_FAT_DENTRY_H_ |
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35 | |||
3505 | jermar | 36 | #include <stdint.h> |
3628 | jermar | 37 | #include <bool.h> |
3505 | jermar | 38 | |
39 | #define FAT_NAME_LEN 8 |
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40 | #define FAT_EXT_LEN 3 |
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41 | |||
3660 | jermar | 42 | #define FAT_NAME_DOT ". " |
43 | #define FAT_NAME_DOT_DOT ".. " |
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44 | #define FAT_EXT_PAD " " |
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45 | |||
3505 | jermar | 46 | #define FAT_ATTR_RDONLY (1 << 0) |
47 | #define FAT_ATTR_VOLLABEL (1 << 3) |
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48 | #define FAT_ATTR_SUBDIR (1 << 4) |
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49 | |||
4360 | decky | 50 | #define FAT_LCASE_LOWER_NAME 0x08 |
51 | #define FAT_LCASE_LOWER_EXT 0x10 |
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52 | |||
3638 | jermar | 53 | #define FAT_PAD ' ' |
54 | |||
55 | #define FAT_DENTRY_UNUSED 0x00 |
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56 | #define FAT_DENTRY_E5_ESC 0x05 |
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57 | #define FAT_DENTRY_DOT 0x2e |
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58 | #define FAT_DENTRY_ERASED 0xe5 |
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59 | |||
3505 | jermar | 60 | typedef enum { |
61 | FAT_DENTRY_SKIP, |
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62 | FAT_DENTRY_LAST, |
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3628 | jermar | 63 | FAT_DENTRY_FREE, |
3505 | jermar | 64 | FAT_DENTRY_VALID |
65 | } fat_dentry_clsf_t; |
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66 | |||
67 | typedef struct { |
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68 | uint8_t name[8]; |
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69 | uint8_t ext[3]; |
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70 | uint8_t attr; |
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4360 | decky | 71 | uint8_t lcase; |
3505 | jermar | 72 | uint8_t ctime_fine; |
73 | uint16_t ctime; |
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74 | uint16_t cdate; |
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75 | uint16_t adate; |
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76 | union { |
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77 | uint16_t eaidx; /* FAT12/FAT16 */ |
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78 | uint16_t firstc_hi; /* FAT32 */ |
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4019 | decky | 79 | } __attribute__ ((packed)); |
3505 | jermar | 80 | uint16_t mtime; |
81 | uint16_t mdate; |
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82 | union { |
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83 | uint16_t firstc; /* FAT12/FAT16 */ |
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84 | uint16_t firstc_lo; /* FAT32 */ |
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4019 | decky | 85 | } __attribute__ ((packed)); |
3505 | jermar | 86 | uint32_t size; |
87 | } __attribute__ ((packed)) fat_dentry_t; |
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88 | |||
3634 | jermar | 89 | extern int fat_dentry_namecmp(char *, const char *); |
3628 | jermar | 90 | extern bool fat_dentry_name_verify(const char *); |
91 | extern void fat_dentry_name_get(const fat_dentry_t *, char *); |
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92 | extern void fat_dentry_name_set(fat_dentry_t *, const char *); |
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93 | extern fat_dentry_clsf_t fat_classify_dentry(const fat_dentry_t *); |
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3505 | jermar | 94 | |
3504 | jermar | 95 | #endif |
96 | |||
97 | /** |
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98 | * @} |
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99 | */ |