| 1 | /*
|
|---|
| 2 | * Copyright (c) 2008 Jakub Jermar
|
|---|
| 3 | * All rights reserved.
|
|---|
| 4 | *
|
|---|
| 5 | * Redistribution and use in source and binary forms, with or without
|
|---|
| 6 | * modification, are permitted provided that the following conditions
|
|---|
| 7 | * are met:
|
|---|
| 8 | *
|
|---|
| 9 | * - Redistributions of source code must retain the above copyright
|
|---|
| 10 | * notice, this list of conditions and the following disclaimer.
|
|---|
| 11 | * - Redistributions in binary form must reproduce the above copyright
|
|---|
| 12 | * notice, this list of conditions and the following disclaimer in the
|
|---|
| 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
|
|---|
| 15 | * derived from this software without specific prior written permission.
|
|---|
| 16 | *
|
|---|
| 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
|
|---|
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|---|
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|---|
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|---|
| 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
|
|---|
| 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
|
|---|
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|---|
| 27 | */
|
|---|
| 28 |
|
|---|
| 29 | /** @addtogroup fs
|
|---|
| 30 | * @{
|
|---|
| 31 | */
|
|---|
| 32 |
|
|---|
| 33 | #ifndef FAT_FAT_DENTRY_H_
|
|---|
| 34 | #define FAT_FAT_DENTRY_H_
|
|---|
| 35 |
|
|---|
| 36 | #include <stdint.h>
|
|---|
| 37 | #include <bool.h>
|
|---|
| 38 |
|
|---|
| 39 | #define FAT_NAME_LEN 8
|
|---|
| 40 | #define FAT_EXT_LEN 3
|
|---|
| 41 |
|
|---|
| 42 | #define FAT_NAME_DOT ". "
|
|---|
| 43 | #define FAT_NAME_DOT_DOT ".. "
|
|---|
| 44 | #define FAT_EXT_PAD " "
|
|---|
| 45 |
|
|---|
| 46 | #define FAT_ATTR_RDONLY (1 << 0)
|
|---|
| 47 | #define FAT_ATTR_VOLLABEL (1 << 3)
|
|---|
| 48 | #define FAT_ATTR_SUBDIR (1 << 4)
|
|---|
| 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 |
|
|---|
| 57 | typedef enum {
|
|---|
| 58 | FAT_DENTRY_SKIP,
|
|---|
| 59 | FAT_DENTRY_LAST,
|
|---|
| 60 | FAT_DENTRY_FREE,
|
|---|
| 61 | FAT_DENTRY_VALID
|
|---|
| 62 | } fat_dentry_clsf_t;
|
|---|
| 63 |
|
|---|
| 64 | typedef struct {
|
|---|
| 65 | uint8_t name[8];
|
|---|
| 66 | uint8_t ext[3];
|
|---|
| 67 | uint8_t attr;
|
|---|
| 68 | uint8_t reserved;
|
|---|
| 69 | uint8_t ctime_fine;
|
|---|
| 70 | uint16_t ctime;
|
|---|
| 71 | uint16_t cdate;
|
|---|
| 72 | uint16_t adate;
|
|---|
| 73 | union {
|
|---|
| 74 | uint16_t eaidx; /* FAT12/FAT16 */
|
|---|
| 75 | uint16_t firstc_hi; /* FAT32 */
|
|---|
| 76 | };
|
|---|
| 77 | uint16_t mtime;
|
|---|
| 78 | uint16_t mdate;
|
|---|
| 79 | union {
|
|---|
| 80 | uint16_t firstc; /* FAT12/FAT16 */
|
|---|
| 81 | uint16_t firstc_lo; /* FAT32 */
|
|---|
| 82 | };
|
|---|
| 83 | uint32_t size;
|
|---|
| 84 | } __attribute__ ((packed)) fat_dentry_t;
|
|---|
| 85 |
|
|---|
| 86 | extern int fat_dentry_namecmp(char *, const char *);
|
|---|
| 87 | extern bool fat_dentry_name_verify(const 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 *);
|
|---|
| 90 | extern fat_dentry_clsf_t fat_classify_dentry(const fat_dentry_t *);
|
|---|
| 91 |
|
|---|
| 92 | #endif
|
|---|
| 93 |
|
|---|
| 94 | /**
|
|---|
| 95 | * @}
|
|---|
| 96 | */
|
|---|
