структура данных (из исходников)

00073 typedef uint32_t        any_blk_t;
00074 
00075 typedef uint64_t  any_size_t;
00076 typedef int64_t any_ssize_t;
00077 typedef int64_t any_off_t;
00078 
00079 #ifdef __GNUC_STDC_INLINE__
00080 #define __inline__ inline __attribute__((__gnu_inline__))
00081 #endif
00082 
00083 #define inline inline __attribute__((always_inline))
00084 
00085 /*min_t, max_t Macroses from Linux kernel*/
00086 #define min_t(type,x,y) \
00087                 ({ type __x = (x); type __y = (y); __x < __y ? __x: __y; })
00088 #define max_t(type,x,y) \
00089                 ({ type __x = (x); type __y = (y); __x > __y ? __x: __y; })
00090 
00091 #define ANY_SUPER_MAGIC 0x414e59 /*ANY*/
00092 #define ANY_BUFFER_SIZE 1024
00093 #define ANY_NAME_LENGTH 255
00094 #define ANY_LINK_MAX    50000
00095 #define ANY_ITOPTIONS   "inodetable="
00096 
00097 #define ANY_BLOCK_SIZE_HEAD     "BLOCK_SIZE "
00098 #define ANY_INODES_HEAD         "INODES "
00099 #define ANY_INODE_TABLE_HEAD    "INODE_TABLE\n"
00100 #define ANY_DATA_HEAD           "DATA\n"
00101 #define ANY_LNK_HEAD            "LNK "
00102 #define ANY_REG_HEAD            "REG "
00103 #define ANY_DIR_HEAD            "DIR "
00104 
00105 #define ANY_BLOCK_SIZE_LEN      strlen(ANY_BLOCK_SIZE_HEAD"xxxxxxxx\n")
00106 #define ANY_INODES_LEN          strlen(ANY_INODES_HEAD"xxxxxxxx\n")
00107 
00108 #define ANY_INODE_TABLE_INFOLEN(inodes)         (inodes*73)
00109 
00110 #define ANY_INODE_TABLE_LEN(inodes)     \
00111         (strlen(ANY_INODE_TABLE_HEAD)   + ANY_INODE_TABLE_INFOLEN(inodes))
00112 
00113 #define ANY_BLOCK_SIZE_HEAD_OFFSET      0
00114 #define ANY_INODES_HEAD_OFFSET          \
00115         (ANY_BLOCK_SIZE_HEAD_OFFSET     + ANY_BLOCK_SIZE_LEN)
00116 #define ANY_INODE_TABLE_HEAD_OFFSET     \
00117         (ANY_INODES_HEAD_OFFSET         + ANY_INODES_LEN)
00118 #define ANY_DATA_HEAD_OFFSET(inodes)    \
00119         (ANY_INODE_TABLE_HEAD_OFFSET + ANY_INODE_TABLE_LEN(inodes))
00120 
00121 #define ANY_BLOCK_SIZE_OFFSET           \
00122         (ANY_BLOCK_SIZE_HEAD_OFFSET     + strlen(ANY_BLOCK_SIZE_HEAD))
00123 #define ANY_INODES_OFFSET               \
00124         (ANY_INODES_HEAD_OFFSET         + strlen(ANY_INODES_HEAD))
00125 #define ANY_INODE_TABLE_OFFSET  \
00126         (ANY_INODE_TABLE_HEAD_OFFSET    + strlen(ANY_INODE_TABLE_HEAD))
00127 #define ANY_DATA_OFFSET(inodes)         \
00128         (ANY_DATA_HEAD_OFFSET(inodes)           + strlen(ANY_DATA_HEAD))
00129 
00130 struct any_file_fragment {
00131         uint32_t        fr_start;
00132         uint32_t        fr_length;
00133 };
00134 
00135 struct any_file_frags {
00136         uint32_t                        fr_nfrags;
00137         struct any_file_fragment*       fr_frags;
00138 };
00139 
00140 struct any_dirent {
00141         char*                   d_name;
00142         uint32_t                d_inode;
00143         struct any_dirent       *d_next;
00144 };
00145 
00146 struct any_dir {
00147         uint32_t                d_ndirents;
00148         struct any_dirent*      d_dirent;
00149         void*                   d_data;
00150 };
00151 
00152 struct any_inode {
00153         uint16_t  i_mode;         /* File mode */
00154         uint16_t  i_uid;          /* Low 16 bits of Owner Uid */
00155         uint16_t  i_gid;          /* Low 16 bits of Group Id */
00156         uint64_t  i_size;         /* Size in bytes */
00157         uint32_t  i_atime;        /* Access time */
00158         uint32_t  i_ctime;        /* Creation time */
00159         uint32_t  i_mtime;        /* Modification time */
00160         uint16_t  i_links_count;  /* Links count */
00161         union {
00162                 struct any_file_frags   *file_frags;
00163                 struct any_dir          *dir;
00164                 char*   symlink;
00165                 dev_t   device;
00166         } i_info;
00167         size_t  i_it_file_offset;
00168 };
00169 
00170 struct any_sb_info {
00171         char *si_itfilename;
00172         unsigned long si_blocksize;
00173         unsigned long si_inodes;
00174         unsigned long *si_inode_bitmap;
00175         struct any_inode *si_inode_table;
00176 };