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 #define FALSE                   0
  11 #define TRUE                    1
  12
  13 #define FILENAME_LENGTH 1024
  14
  15 #if defined __MINGW32__
  16 # define getuid()       0
  17 # define chown(file, uid, gid)  0
  18 # define kill(pid, sig)         0
  19 #endif
  20
  21 /* ------------------------------------------------------------------------ */
  22 /* YOUR CUSTOMIZIES                                                                                                                     */
  23 /* ------------------------------------------------------------------------ */
  24
  25 #ifndef ARCHIVENAME_EXTENTION
  26 #define ARCHIVENAME_EXTENTION   ".lzh"
  27 #endif
  28 #ifndef BACKUPNAME_EXTENTION
  29 #define BACKUPNAME_EXTENTION    ".bak"
  30 #endif
  31
  32 #define SJIS_FIRST_P(c)                 \
  33   (((unsigned char)(c) >= 0x80 && (unsigned char)(c) < 0xa0) || \
  34    ((unsigned char)(c) >= 0xe0 && (unsigned char)(c) < 0xfd))
  35 #define SJIS_SECOND_P(c)                        \
  36   (((unsigned char)(c) >= 0x40 && (unsigned char)(c) < 0xfd) && \
  37     (unsigned char)(c) != 0x7f)
  38
  39 #define X0201_KANA_P(c)\
  40         (0xa0 < (unsigned char)(c) && (unsigned char)(c) < 0xe0)
  41
  42 /* for filename conversion */
  43 #define NONE 0
  44 #define CODE_EUC 1
  45 #define CODE_SJIS 2
  46 #define CODE_UTF8 3
  47 #define TO_LOWER 1
  48 #define TO_UPPER 2
  49
  50 /* ------------------------------------------------------------------------ */
  51 /*      LHa File Definitions                                                                                                    */
  52 /* ------------------------------------------------------------------------ */
  53 #ifdef S_IFLNK
  54 #define GETSTAT lstat
  55 #else
  56 #define GETSTAT stat
  57 #endif
  58
  59 #define LZHUFF0_METHOD                  "-lh0-"
  60 #define LZHUFF1_METHOD                  "-lh1-"
  61 #define LZHUFF2_METHOD                  "-lh2-"
  62 #define LZHUFF3_METHOD                  "-lh3-"
  63 #define LZHUFF4_METHOD                  "-lh4-"
  64 #define LZHUFF5_METHOD                  "-lh5-"
  65 #define LZHUFF6_METHOD                  "-lh6-"
  66 #define LZHUFF7_METHOD                  "-lh7-"
  67 #define LARC_METHOD                             "-lzs-"
  68 #define LARC5_METHOD                    "-lz5-"
  69 #define LARC4_METHOD                    "-lz4-"
  70 #define LZHDIRS_METHOD                  "-lhd-"
  71
  72 #define METHOD_TYPE_STORAGE             5
  73
  74 /* Added N.Watazaki ..V */
  75 #define LZHUFF0_METHOD_NUM              0
  76 #define LZHUFF1_METHOD_NUM              1
  77 #define LZHUFF2_METHOD_NUM              2
  78 #define LZHUFF3_METHOD_NUM              3
  79 #define LZHUFF4_METHOD_NUM              4
  80 #define LZHUFF5_METHOD_NUM              5
  81 #define LZHUFF6_METHOD_NUM              6
  82 #define LZHUFF7_METHOD_NUM              7
  83 #define LARC_METHOD_NUM                 8
  84 #define LARC5_METHOD_NUM                9
  85 #define LARC4_METHOD_NUM                10
  86 #define LZHDIRS_METHOD_NUM              11
  87 /* Added N.Watazaki ..^ */
  88
  89 #define LZHUFF0_DICBIT           0      /* no compress */
  90 #define LZHUFF1_DICBIT          12      /* 2^12 =  4k sliding dictionary */
  91 #define LZHUFF2_DICBIT          13      /* 2^13 =  8k sliding dictionary */
  92 #define LZHUFF3_DICBIT          13      /* 2^13 =  8k sliding dictionary */
  93 #define LZHUFF4_DICBIT          12      /* 2^12 =  4k sliding dictionary */
  94 #define LZHUFF5_DICBIT          13      /* 2^13 =  8k sliding dictionary */
  95 #define LZHUFF6_DICBIT          15      /* 2^15 = 32k sliding dictionary */
  96 #define LZHUFF7_DICBIT          16      /* 2^16 = 64k sliding dictionary */
  97 #define LARC_DICBIT             11      /* 2^11 =  2k sliding dictionary */
  98 #define LARC5_DICBIT            12      /* 2^12 =  4k sliding dictionary */
  99 #define LARC4_DICBIT             0      /* no compress */
 100
 101 #ifdef SUPPORT_LH7
 102 #define MAX_DICBIT                      LZHUFF7_DICBIT      /* lh7 use 16bits */
 103 #endif
 104 #ifndef SUPPORT_LH7
 105 #define MAX_DICBIT                      LZHUFF6_DICBIT      /* lh6 use 15bits */
 106 #endif
 107
 108 #define MAX_DICSIZ                      (1L << MAX_DICBIT)
 109
 110 #define EXTEND_GENERIC                  0
 111 #define EXTEND_UNIX                             'U'
 112 #define EXTEND_MSDOS                    'M'
 113 #define EXTEND_MACOS                    'm'
 114 #define EXTEND_OS9                              '9'
 115 #define EXTEND_OS2                              '2'
 116 #define EXTEND_OS68K                    'K'
 117 #define EXTEND_OS386                    '3'     /* OS-9000??? */
 118 #define EXTEND_HUMAN                    'H'
 119 #define EXTEND_CPM                              'C'
 120 #define EXTEND_FLEX                             'F'
 121 #define EXTEND_RUNSER                   'R'
 122
 123 /* this OS type is not official */
 124
 125 #define EXTEND_TOWNSOS                  'T'
 126 #define EXTEND_XOSK                             'X' /* OS-9 for X68000 (?) */
 127 #define EXTEND_JAVA                             'J'
 128
 129 /*---------------------------------------------------------------------------*/
 130
 131 #define GENERIC_ATTRIBUTE                               0x20
 132 #define GENERIC_DIRECTORY_ATTRIBUTE             0x10
 133 #define HEADER_LEVEL0                                   0x00
 134 #define HEADER_LEVEL1                                   0x01
 135 #define HEADER_LEVEL2                                   0x02
 136
 137 #define CURRENT_UNIX_MINOR_VERSION              0x00
 138
 139 #define LHA_PATHSEP             0xff    /* path separator of the
 140                                            filename in lha header.
 141                                            it should compare with
 142                                            `unsigned char' or `int',
 143                                            that is not '\xff', but 0xff. */
 144
 145 #define OSK_RW_RW_RW                    0000033
 146 #define OSK_FILE_REGULAR                0000000
 147 #define OSK_DIRECTORY_PERM              0000200
 148 #define OSK_SHARED_PERM                 0000100
 149 #define OSK_OTHER_EXEC_PERM             0000040
 150 #define OSK_OTHER_WRITE_PERM    0000020
 151 #define OSK_OTHER_READ_PERM             0000010
 152 #define OSK_OWNER_EXEC_PERM             0000004
 153 #define OSK_OWNER_WRITE_PERM    0000002
 154 #define OSK_OWNER_READ_PERM             0000001
 155
 156 #define UNIX_FILE_TYPEMASK              0170000
 157 #define UNIX_FILE_REGULAR               0100000
 158 #define UNIX_FILE_DIRECTORY             0040000
 159 #define UNIX_FILE_SYMLINK               0120000
 160 #define UNIX_SETUID                             0004000
 161 #define UNIX_SETGID                             0002000
 162 #define UNIX_STICKYBIT                  0001000
 163 #define UNIX_OWNER_READ_PERM    0000400
 164 #define UNIX_OWNER_WRITE_PERM   0000200
 165 #define UNIX_OWNER_EXEC_PERM    0000100
 166 #define UNIX_GROUP_READ_PERM    0000040
 167 #define UNIX_GROUP_WRITE_PERM   0000020
 168 #define UNIX_GROUP_EXEC_PERM    0000010
 169 #define UNIX_OTHER_READ_PERM    0000004
 170 #define UNIX_OTHER_WRITE_PERM   0000002
 171 #define UNIX_OTHER_EXEC_PERM    0000001
 172 #define UNIX_RW_RW_RW                   0000666
 173
 174 #define LZHEADER_STORAGE                4096
 175
 176 #define MAX_INDICATOR_COUNT             64
 177
 178 /* ------------------------------------------------------------------------ */
 179 /*      FILE Attribute                                                                                                                  */
 180 /* ------------------------------------------------------------------------ */
 181 #define is_directory(statp)             (((statp)->st_mode & S_IFMT) == S_IFDIR)
 182 #define is_symlink(statp)               (((statp)->st_mode & S_IFMT) == S_IFLNK)
 183 #define is_regularfile(statp)   (((statp)->st_mode & S_IFMT) == S_IFREG)
 184
 185 #if 1 /* assume that fopen() will accepts "b" as binary mode on all system. */
 186 #define WRITE_BINARY    "wb"
 187 #define READ_BINARY             "rb"
 188 #else
 189 #define WRITE_BINARY    "w"
 190 #define READ_BINARY             "r"
 191 #endif
 192
 193 /* ------------------------------------------------------------------------ */
 194 /* Individual macro define                                                                                                      */
 195 /* ------------------------------------------------------------------------ */
 196
 197 /* from crcio.c */
 198 #define CRCPOLY                 0xA001          /* CRC-16 (x^16+x^15+x^2+1) */
 199 #define INITIALIZE_CRC(crc) ((crc) = 0)
 200 #define UPDATE_CRC(crc, c) \
 201  (crctable[((crc) ^ (c)) & 0xFF] ^ ((crc) >> CHAR_BIT))
 202
 203 /* dhuf.c */
 204 #define N_CHAR      (256 + 60 - THRESHOLD + 1)
 205 #define TREESIZE_C  (N_CHAR * 2)
 206 #define TREESIZE_P  (128 * 2)
 207 #define TREESIZE    (TREESIZE_C + TREESIZE_P)
 208 #define ROOT_C      0
 209 #define ROOT_P      TREESIZE_C
 210
 211 /* huf.c */
 212 #define NP                      (MAX_DICBIT + 1)
 213 #define NT                      (USHRT_BIT + 3)
 214 #if 0
 215 #define PBIT            4               /* smallest integer such that (1 << PBIT) > * NP */
 216 #define TBIT            5               /* smallest integer such that (1 << TBIT) > * NT */
 217 #endif
 218
 219 #define PBIT            5               /* smallest integer such that (1 << PBIT) > * NP */
 220 #define TBIT            5               /* smallest integer such that (1 << TBIT) > * NT */
 221
 222 #define NC                      (UCHAR_MAX + MAXMATCH + 2 - THRESHOLD)
 223
 224 /*              #if NT > NP #define NPT NT #else #define NPT NP #endif  */
 225 #define NPT                     0x80
 226
 227 /* larc.c */
 228 #define MAGIC0          18
 229 #define MAGIC5          19
 230
 231 /* lharc.c */
 232 #define CMD_UNKNOWN     0
 233 #define CMD_EXTRACT     1
 234 #define CMD_ADD         2
 235 #define CMD_LIST        3
 236 #define CMD_DELETE      4
 237
 238 #define STREQU(a,b)     (((a)[0] == (b)[0]) ? (strcmp ((a),(b)) == 0) : FALSE)
 239
 240 /* shuf.c */
 241 #define N1                      286                             /* alphabet size */
 242 #define N2                      (2 * N1 - 1)    /* # of nodes in Huffman tree */
 243 #define EXTRABITS       8                               /* >= log2(F-THRESHOLD+258-N1) */
 244 #define BUFBITS         16                              /* >= log2(MAXBUF) */
 245 #define LENFIELD        4                               /* bit size of length field for tree output */
 246
 247 /* util.c */
 248 #define BUFFERSIZE      2048
 249
 250 /* slide.c */
 251 /*
 252 #define PERCOLATE  1
 253 #define NIL        0
 254 #define HASH(p, c) ((p) + ((c) << hash1) + hash2)
 255 */
 256
 257 /* slide.c */
 258 #define MATCHBIT                        8       /* bits for MAXMATCH - THRESHOLD */
 259 #define MAXMATCH                        256     /* formerly F (not more than UCHAR_MAX + 1) */
 260 #define THRESHOLD                       3       /* choose optimal value */
 261
 262 /* from huf.c */
 263
 264 /* alphabet = {0, 1, 2, ..., NC - 1} */
 265 #define CBIT                            9       /* $\lfloor \log_2 NC \rfloor + 1$ */
 266 #define USHRT_BIT                       16      /* (CHAR_BIT * sizeof(ushort)) */
 267
 268 /* Local Variables: */
 269 /* mode:c */
 270 /* tab-width:4 */
 271 /* End: */
 272 /* vi: set tabstop=4: */