src/lha_macro.h

   1 /* ------------------------------------------------------------------------ */
   2 /* LHa for UNIX    Archiver Driver      macro define                                                    */
   3 /*                                                                                                                                                      */
   4 /*              Modified                        Nobutaka Watazaki                                                       */
   5 /*                                                                                                                                                      */
   6 /*      Ver. 1.14       Soruce All chagned                              1995.01.14      N.Watazaki              */
   7 /*      Ver. 1.14g      modified                                                2000.05.06      T.OKAMOTO               */
   8 /* ------------------------------------------------------------------------ */
   9
  10 /* macro VERSION and PLATFORM are defined in config.h by configure script */
  11 #define LHA_VERSION "LHa for UNIX version " VERSION " (" PLATFORM ")"
  12
  13 #define FALSE                   0
  14 #define TRUE                    1
  15
  16 #define FILENAME_LENGTH 1024
  17
  18 #if defined __MINGW32__
  19 # define getuid()       0
  20 # define chown(file, uid, gid)  0
  21 # define kill(pid, sig)         0
  22 #endif
  23
  24 /* ------------------------------------------------------------------------ */
  25 /* YOUR CUSTOMIZIES                                                                                                                     */
  26 /* ------------------------------------------------------------------------ */
  27
  28 #ifndef ARCHIVENAME_EXTENTION
  29 #define ARCHIVENAME_EXTENTION   ".lzh"
  30 #endif
  31 #ifndef BACKUPNAME_EXTENTION
  32 #define BACKUPNAME_EXTENTION    ".bak"
  33 #endif
  34
  35 #define SJC_FIRST_P(c)                  \
  36   (((unsigned char)(c) >= 0x80) &&      \
  37    (((unsigned char)(c) < 0xa0) ||      \
  38     ((unsigned char)(c) >= 0xe0) &&     \
  39     ((unsigned char)(c) < 0xfd)))
  40 #define SJC_SECOND_P(c)                 \
  41   (((unsigned char)(c) >= 0x40) &&      \
  42    ((unsigned char)(c) < 0xfd) &&       \
  43    ((unsigned char)(c) != 0x7f))
  44
  45 #define X0201_KANA_P(c)\
  46         (0xa0 < (unsigned char)(c) && (unsigned char)(c) < 0xe0)
  47
  48 /* for filename conversion */
  49 #define NONE 0
  50 #define CODE_EUC 1
  51 #define CODE_SJIS 2
  52 #define CODE_UTF8 3
  53 #define TO_LOWER 1
  54 #define TO_UPPER 2
  55
  56 #ifdef MULTIBYTE_FILENAME
  57 #define MULTIBYTE_FIRST_P       SJC_FIRST_P
  58 #define MULTIBYTE_SECOND_P      SJC_SECOND_P
  59 #endif                          /* MULTIBYTE_FILENAME */
  60
  61 /* ------------------------------------------------------------------------ */
  62 /*      LHa File Definitions                                                                                                    */
  63 /* ------------------------------------------------------------------------ */
  64 #ifdef S_IFLNK
  65 #define GETSTAT lstat
  66 #else
  67 #define GETSTAT stat
  68 #endif
  69
  70 #ifdef LHA_MAIN_SRC
  71 #define EXTERN
  72 #else
  73 #define EXTERN                          extern
  74 #endif  /* LHA_MAIN_SRC */
  75
  76 #define LZHUFF0_METHOD                  "-lh0-"
  77 #define LZHUFF1_METHOD                  "-lh1-"
  78 #define LZHUFF2_METHOD                  "-lh2-"
  79 #define LZHUFF3_METHOD                  "-lh3-"
  80 #define LZHUFF4_METHOD                  "-lh4-"
  81 #define LZHUFF5_METHOD                  "-lh5-"
  82 #define LZHUFF6_METHOD                  "-lh6-"
  83 #define LZHUFF7_METHOD                  "-lh7-"
  84 #define LARC_METHOD                             "-lzs-"
  85 #define LARC5_METHOD                    "-lz5-"
  86 #define LARC4_METHOD                    "-lz4-"
  87 #define LZHDIRS_METHOD                  "-lhd-"
  88
  89 #define METHOD_TYPE_STRAGE              5
  90
  91 /* Added N.Watazaki ..V */
  92 #define LZHUFF0_METHOD_NUM              0
  93 #define LZHUFF1_METHOD_NUM              1
  94 #define LZHUFF2_METHOD_NUM              2
  95 #define LZHUFF3_METHOD_NUM              3
  96 #define LZHUFF4_METHOD_NUM              4
  97 #define LZHUFF5_METHOD_NUM              5
  98 #define LZHUFF6_METHOD_NUM              6
  99 #define LZHUFF7_METHOD_NUM              7
 100 #define LARC_METHOD_NUM                 8
 101 #define LARC5_METHOD_NUM                9
 102 #define LARC4_METHOD_NUM                10
 103 #define LZHDIRS_METHOD_NUM              11
 104 /* Added N.Watazaki ..^ */
 105
 106 #define I_HEADER_SIZE                   0
 107 #define I_HEADER_CHECKSUM               1
 108 #define I_METHOD                                2
 109 #define I_PACKED_SIZE                   7
 110 #define I_ORIGINAL_SIZE                 11
 111 #define I_LAST_MODIFIED_STAMP   15
 112 #define I_ATTRIBUTE                             19
 113 #define I_HEADER_LEVEL                  20
 114 #define I_NAME_LENGTH                   21
 115 #define I_NAME                                  22
 116
 117 #define I_CRC                                           22      /* + name_length */
 118 #define I_EXTEND_TYPE                           24      /* + name_length */
 119 #define I_MINOR_VERSION                         25      /* + name_length */
 120 #define I_UNIX_LAST_MODIFIED_STAMP      26      /* + name_length */
 121 #define I_UNIX_MODE                                     30      /* + name_length */
 122 #define I_UNIX_UID                                      32      /* + name_length */
 123 #define I_UNIX_GID                                      34      /* + name_length */
 124 #define I_UNIX_EXTEND_BOTTOM            36      /* + name_length */
 125
 126 #define I_GENERIC_HEADER_BOTTOM         I_EXTEND_TYPE
 127
 128 #define EXTEND_GENERIC                  0
 129 #define EXTEND_UNIX                             'U'
 130 #define EXTEND_MSDOS                    'M'
 131 #define EXTEND_MACOS                    'm'
 132 #define EXTEND_OS9                              '9'
 133 #define EXTEND_OS2                              '2'
 134 #define EXTEND_OS68K                    'K' /* Enea Data Systems real-time OS (?) */
 135 #define EXTEND_OS386                    '3'     /* OS-9000??? */
 136 #define EXTEND_HUMAN                    'H'
 137 #define EXTEND_CPM                              'C'
 138 #define EXTEND_FLEX                             'F'
 139 #define EXTEND_RUNSER                   'R'
 140
 141 /* this OS type is not official */
 142
 143 #define EXTEND_TOWNSOS                  'T'
 144 #define EXTEND_XOSK                             'X' /* OS-9 for X68000 (?) */
 145
 146 /*---------------------------------------------------------------------------*/
 147
 148 #define GENERIC_ATTRIBUTE                               0x20
 149 #define GENERIC_DIRECTORY_ATTRIBUTE             0x10
 150 #define HEADER_LEVEL0                                   0x00
 151 #define HEADER_LEVEL1                                   0x01
 152 #define HEADER_LEVEL2                                   0x02
 153
 154 #define CURRENT_UNIX_MINOR_VERSION              0x00
 155
 156 #define LHA_PATHSEP             0xff    /* path separator of the
 157                                            filename in lha header.
 158                                            it should compare with
 159                                            `unsigned char' or `int',
 160                                            that is not '\xff', but 0xff. */
 161
 162 #define OSK_RW_RW_RW                    0000033
 163 #define OSK_FILE_REGULAR                0000000
 164 #define OSK_DIRECTORY_PERM              0000200
 165 #define OSK_SHARED_PERM                 0000100
 166 #define OSK_OTHER_EXEC_PERM             0000040
 167 #define OSK_OTHER_WRITE_PERM    0000020
 168 #define OSK_OTHER_READ_PERM             0000010
 169 #define OSK_OWNER_EXEC_PERM             0000004
 170 #define OSK_OWNER_WRITE_PERM    0000002
 171 #define OSK_OWNER_READ_PERM             0000001
 172
 173 #define UNIX_FILE_TYPEMASK              0170000
 174 #define UNIX_FILE_REGULAR               0100000
 175 #define UNIX_FILE_DIRECTORY             0040000
 176 #define UNIX_FILE_SYMLINK               0120000
 177 #define UNIX_SETUID                             0004000
 178 #define UNIX_SETGID                             0002000
 179 #define UNIX_STICKYBIT                  0001000
 180 #define UNIX_OWNER_READ_PERM    0000400
 181 #define UNIX_OWNER_WRITE_PERM   0000200
 182 #define UNIX_OWNER_EXEC_PERM    0000100
 183 #define UNIX_GROUP_READ_PERM    0000040
 184 #define UNIX_GROUP_WRITE_PERM   0000020
 185 #define UNIX_GROUP_EXEC_PERM    0000010
 186 #define UNIX_OTHER_READ_PERM    0000004
 187 #define UNIX_OTHER_WRITE_PERM   0000002
 188 #define UNIX_OTHER_EXEC_PERM    0000001
 189 #define UNIX_RW_RW_RW                   0000666
 190
 191 #define LZHEADER_STRAGE                 4096
 192
 193 #define MAX_INDICATOR_COUNT             64
 194
 195 /* ------------------------------------------------------------------------ */
 196 /*      Slide relation                                                                                                                  */
 197 /* ------------------------------------------------------------------------ */
 198 #define LH3_DICBIT                      13
 199 #define LH5_DICBIT                      13
 200 #define LH6_DICBIT                      15
 201 #define LH7_DICBIT                      16
 202
 203 /* ------------------------------------------------------------------------ */
 204 /*      FILE Attribute                                                                                                                  */
 205 /* ------------------------------------------------------------------------ */
 206 #define is_directory(statp)             (((statp)->st_mode & S_IFMT) == S_IFDIR)
 207 #define is_symlink(statp)               (((statp)->st_mode & S_IFMT) == S_IFLNK)
 208 #define is_regularfile(statp)   (((statp)->st_mode & S_IFMT) == S_IFREG)
 209
 210 #if 1 /* assume that fopen() will accepts "b" as binary mode on all system. */
 211 #define WRITE_BINARY    "wb"
 212 #define READ_BINARY             "rb"
 213 #else
 214 #define WRITE_BINARY    "w"
 215 #define READ_BINARY             "r"
 216 #endif
 217
 218 /* ------------------------------------------------------------------------ */
 219 /* Individual macro define                                                                                                      */
 220 /* ------------------------------------------------------------------------ */
 221
 222 /* from crcio.c */
 223 #define CRCPOLY                 0xA001          /* CRC-16 */
 224 #define UPDATE_CRC(c)   crc = crctable[(crc ^ (c)) & 0xFF] ^ (crc >> CHAR_BIT)
 225
 226 /* dhuf.c */
 227 #define N_CHAR      (256 + 60 - THRESHOLD + 1)
 228 #define TREESIZE_C  (N_CHAR * 2)
 229 #define TREESIZE_P  (128 * 2)
 230 #define TREESIZE    (TREESIZE_C + TREESIZE_P)
 231 #define ROOT_C      0
 232 #define ROOT_P      TREESIZE_C
 233
 234 /* header.c */
 235 #define setup_get(PTR)  (get_ptr = (PTR))
 236 #define get_byte()              (*get_ptr++ & 0xff)
 237 #define put_ptr                 get_ptr
 238 #define setup_put(PTR)  (put_ptr = (PTR))
 239 #define put_byte(c)             (*put_ptr++ = (char)(c))
 240
 241 /* huf.c */
 242 #define NP                      (MAX_DICBIT + 1)
 243 #define NT                      (USHRT_BIT + 3)
 244 #if 0
 245 #define PBIT            4               /* smallest integer such that (1 << PBIT) > * NP */
 246 #define TBIT            5               /* smallest integer such that (1 << TBIT) > * NT */
 247 #endif
 248
 249 #define PBIT            5               /* smallest integer such that (1 << PBIT) > * NP */
 250 #define TBIT            5               /* smallest integer such that (1 << TBIT) > * NT */
 251
 252 #define NC                      (UCHAR_MAX + MAXMATCH + 2 - THRESHOLD)
 253
 254 /*              #if NT > NP #define NPT NT #else #define NPT NP #endif  */
 255 #define NPT                     0x80
 256
 257 /* larc.c */
 258 #define MAGIC0          18
 259 #define MAGIC5          19
 260
 261 /* lharc.c */
 262 #define CMD_UNKNOWN     0
 263 #define CMD_EXTRACT     1
 264 #define CMD_ADD         2
 265 #define CMD_LIST        3
 266 #define CMD_DELETE      4
 267
 268 #define STREQU(a,b)     (((a)[0] == (b)[0]) ? (strcmp ((a),(b)) == 0) : FALSE)
 269
 270 /* shuf.c */
 271 #define N1                      286                             /* alphabet size */
 272 #define N2                      (2 * N1 - 1)    /* # of nodes in Huffman tree */
 273 #define EXTRABITS       8                               /* >= log2(F-THRESHOLD+258-N1) */
 274 #define BUFBITS         16                              /* >= log2(MAXBUF) */
 275 #define LENFIELD        4                               /* bit size of length field for tree output */
 276
 277 /* util.c */
 278 #define BUFFERSIZE      2048
 279 #define MAXSFXCODE      1024*64
 280
 281 /* slide.c */
 282 /*
 283 #define PERCOLATE  1
 284 #define NIL        0
 285 #define HASH(p, c) ((p) + ((c) << hash1) + hash2)
 286 */
 287
 288 /* slide.c */
 289 #ifdef SUPPORT_LH7
 290 #define MAX_DICBIT                      LH7_DICBIT      /* lh7 use 16bits */
 291 #endif
 292
 293 #ifndef SUPPORT_LH7
 294 #define MAX_DICBIT                      LH6_DICBIT      /* lh6 use 15bits */
 295 #endif
 296
 297 #define MAX_DICSIZ                      (1 << MAX_DICBIT)
 298 #define MATCHBIT                        8       /* bits for MAXMATCH - THRESHOLD */
 299 #define MAXMATCH                        256     /* formerly F (not more than UCHAR_MAX + 1) */
 300 #define THRESHOLD                       3       /* choose optimal value */
 301
 302 /* from huf.c */
 303
 304 /* alphabet = {0, 1, 2, ..., NC - 1} */
 305 #define CBIT                            9       /* $\lfloor \log_2 NC \rfloor + 1$ */
 306 #define USHRT_BIT                       16      /* (CHAR_BIT * sizeof(ushort)) */
 307
 308 /* Local Variables: */
 309 /* mode:c */
 310 /* tab-width:4 */
 311 /* End: */
 312 /* vi: set tabstop=4: */