WebSVN – HelenOS – Diff – /branches/dynload/uspace/srv/fs/fat/fat_dentry.h


/*
 * Copyright (c) 2008 Jakub Jermar
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
/** @addtogroup fs
 * @{
 */
 
#ifndef FAT_FAT_DENTRY_H_
#define FAT_FAT_DENTRY_H_
 
#include <stdint.h>
#include <bool.h>
 
#define FAT_NAME_LEN        8
#define FAT_EXT_LEN     3
 
#define FAT_NAME_DOT        ".       "
#define FAT_NAME_DOT_DOT    "..      "
#define FAT_EXT_PAD     "   "
 
#define FAT_ATTR_RDONLY     (1 << 0)
#define FAT_ATTR_VOLLABEL   (1 << 3)
#define FAT_ATTR_SUBDIR     (1 << 4)
 
#define FAT_PAD         ' ' 
 
#define FAT_DENTRY_UNUSED   0x00
#define FAT_DENTRY_E5_ESC   0x05
#define FAT_DENTRY_DOT      0x2e
#define FAT_DENTRY_ERASED   0xe5
 
typedef enum {
    FAT_DENTRY_SKIP,
    FAT_DENTRY_LAST,
    FAT_DENTRY_FREE,
    FAT_DENTRY_VALID
} fat_dentry_clsf_t;
 
typedef struct {
    uint8_t     name[8];
    uint8_t     ext[3];
    uint8_t     attr;
    uint8_t     reserved;
    uint8_t     ctime_fine;
    uint16_t    ctime;
    uint16_t    cdate;
    uint16_t    adate;
    union {
        uint16_t    eaidx;      /* FAT12/FAT16 */
        uint16_t    firstc_hi;  /* FAT32 */
    };
    uint16_t    mtime;
    uint16_t    mdate;
    union {
        uint16_t    firstc;     /* FAT12/FAT16 */
        uint16_t    firstc_lo;  /* FAT32 */
    };
    uint32_t    size;
} __attribute__ ((packed)) fat_dentry_t;
 
extern int fat_dentry_namecmp(char *, const char *);
extern bool fat_dentry_name_verify(const char *);
extern void fat_dentry_name_get(const fat_dentry_t *, char *);
extern void fat_dentry_name_set(fat_dentry_t *, const char *);
extern fat_dentry_clsf_t fat_classify_dentry(const fat_dentry_t *);
 
#endif
 
/**
 * @}
 */
 

Rev 3535	Rev 3674
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

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(root)/branches/dynload/uspace/srv/fs/fat/fat_dentry.h – Rev 3535 → 3674