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