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Annotation of truecrypt/common/fat.h, revision 1.1.1.11

1.1.1.9   root        1: /*
1.1.1.11! root        2:  Legal Notice: Some portions of the source code contained in this file were
        !             3:  derived from the source code of Encryption for the Masses 2.02a, which is
        !             4:  Copyright (c) 1998-2000 Paul Le Roux and which is governed by the 'License
        !             5:  Agreement for Encryption for the Masses'. Modifications and additions to
        !             6:  the original source code (contained in this file) and all other portions of
        !             7:  this file are Copyright (c) 2003-2008 TrueCrypt Foundation and are governed
        !             8:  by the TrueCrypt License 2.4 the full text of which is contained in the
        !             9:  file License.txt included in TrueCrypt binary and source code distribution
1.1.1.9   root       10:  packages. */
1.1       root       11: 
                     12: typedef struct fatparams_t
                     13: {
                     14:        char volume_name[11];
1.1.1.3   root       15:        unsigned int num_sectors;       /* total number of sectors */
1.1       root       16:        int cluster_count;      /* number of clusters */
                     17:        int size_root_dir;      /* size of the root directory in bytes */
                     18:        int size_fat;           /* size of FAT */
                     19:        int fats;
1.1.1.6   root       20:        unsigned int create_time;
1.1       root       21:        int media;
                     22:        int cluster_size;
                     23:        int fat_length;
                     24:        int dir_entries;
                     25:        int sector_size;
                     26:        int hidden;
1.1.1.6   root       27:        __int16 reserved;
1.1       root       28:        int sectors;
1.1.1.6   root       29:        unsigned int total_sect;
1.1       root       30: 
                     31:        int heads;
                     32:        int secs_track;
                     33: 
                     34: } fatparams;
                     35: 
                     36: 
                     37: struct msdos_boot_sector
                     38: {
                     39:        unsigned char boot_jump[3];     /* Boot strap short or near jump */
                     40:        char system_id[8];      /* Name - can be used to special case
                     41:                                   partition manager volumes */
                     42:        unsigned char sector_size[2];   /* bytes per logical sector */
                     43:        unsigned char cluster_size;     /* sectors/cluster */
                     44:        unsigned short reserved;/* reserved sectors */
                     45:        unsigned char fats;     /* number of FATs */
                     46:        unsigned char dir_entries[2];   /* root directory entries */
                     47:        unsigned char sectors[2];       /* number of sectors */
                     48:        unsigned char media;    /* media code  */
                     49:        unsigned short fat_length;      /* sectors/FAT */
                     50:        unsigned short secs_track;      /* sectors per track */
                     51:        unsigned short heads;   /* number of heads */
1.1.1.6   root       52:        unsigned __int32 hidden;        /* hidden sectors */
                     53:        unsigned __int32 total_sect;    /* number of sectors (if sectors == 0) */
1.1       root       54:        unsigned char drive_number;     /* BIOS drive number */
                     55:        unsigned char RESERVED; /* Unused */
1.1.1.6   root       56:        unsigned char ext_boot_sign;    /* 0x29 if fields below exist (DOS 3.3+) */
1.1       root       57:        unsigned char volume_id[4];     /* Volume ID number */
                     58:        char volume_label[11];  /* Volume label */
1.1.1.6   root       59:        char fs_type[8];        /* Typically FAT12, FAT16, or FAT32 */
1.1       root       60:        unsigned char boot_code[448];   /* Boot code (or message) */
                     61:        unsigned short boot_sign;       /* 0xAA55 */
                     62: };
                     63: 
                     64: 
                     65: void GetFatParams ( fatparams *ft );
                     66: void PutBoot ( fatparams *ft , unsigned char *boot );
1.1.1.7   root       67: int FormatFat (unsigned __int64 startSector, fatparams * ft, void * dev, PCRYPTO_INFO cryptoInfo, BOOL quickFormat);

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