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  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.  
  38. #define FAT_NAME_LEN        8
  39. #define FAT_EXT_LEN     3
  40.  
  41. #define FAT_ATTR_RDONLY     (1 << 0)
  42. #define FAT_ATTR_VOLLABEL   (1 << 3)
  43. #define FAT_ATTR_SUBDIR     (1 << 4)
  44.  
  45. typedef enum {
  46.     FAT_DENTRY_SKIP,
  47.     FAT_DENTRY_LAST,
  48.     FAT_DENTRY_VALID
  49. } fat_dentry_clsf_t;
  50.  
  51. typedef struct {
  52.     uint8_t     name[8];
  53.     uint8_t     ext[3];
  54.     uint8_t     attr;
  55.     uint8_t     reserved;
  56.     uint8_t     ctime_fine;
  57.     uint16_t    ctime;
  58.     uint16_t    cdate;
  59.     uint16_t    adate;
  60.     union {
  61.         uint16_t    eaidx;      /* FAT12/FAT16 */
  62.         uint16_t    firstc_hi;  /* FAT32 */
  63.     };
  64.     uint16_t    mtime;
  65.     uint16_t    mdate;
  66.     union {
  67.         uint16_t    firstc;     /* FAT12/FAT16 */
  68.         uint16_t    firstc_lo;  /* FAT32 */
  69.     };
  70.     uint32_t    size;
  71. } __attribute__ ((packed)) fat_dentry_t;
  72.  
  73. extern void dentry_name_canonify(fat_dentry_t *, char *);
  74. extern fat_dentry_clsf_t fat_classify_dentry(fat_dentry_t *);
  75.  
  76. #endif
  77.  
  78. /**
  79.  * @}
  80.  */
  81.