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 /* ------------------------------------------------------------------------ */
   8
   9 /* Most of System V, define SYSTIME_HAS_NO_TM */
  10 #ifdef  SYSTIME_HAS_NO_TM
  11 #include <time.h>
  12 #else
  13 #include <sys/time.h>
  14 #endif  /* SYSTIME_HAS_NO_TM */
  15
  16 /* ------------------------------------------------------------------------ */
  17 /*      Directory Access Stuff                                                                                                  */
  18 /* ------------------------------------------------------------------------ */
  19 #ifndef NODIRECTORY
  20 #ifdef SYSV_SYSTEM_DIR
  21
  22 #include <dirent.h>
  23
  24 #define DIRENTRY        struct dirent
  25 #define NAMLEN(p)       strlen (p->d_name)
  26
  27 #else   /* not SYSV_SYSTEM_DIR */
  28
  29 #ifdef NONSYSTEM_DIR_LIBRARY
  30 #include "lhdir.h"
  31 #else
  32 #include <sys/dir.h>
  33 #endif  /* not NONSYSTEM_DIR_LIBRARY */
  34
  35 #define DIRENTRY                struct direct
  36 #define NAMLEN(p)               p->d_namlen
  37
  38 #endif  /* not SYSV_SYSTEM_DIR */
  39 #endif  /* NODIRECTORY */
  40
  41 /* ------------------------------------------------------------------------ */
  42 /*      Other Define                                                                                                                    */
  43 /* ------------------------------------------------------------------------ */
  44 /* Not support 'void' */
  45 #ifdef NOVOID
  46 #define void
  47 #endif
  48
  49 #ifndef SEEK_SET
  50 #define SEEK_SET                0
  51 #define SEEK_CUR                1
  52 #define SEEK_END                2
  53 #endif  /* SEEK_SET
  54
  55
  56 /* non-integral functions */
  57 extern struct tm *localtime();
  58 extern char    *getenv();
  59
  60 #ifndef _MINIX
  61 #ifndef __STDC__
  62 extern char    *malloc();
  63 extern char    *realloc();
  64 #endif
  65 #endif
  66
  67 /* external variables */
  68 extern int      errno;
  69
  70 #define FALSE                   0
  71 #define TRUE                    1
  72 typedef int                             boolean;
  73
  74 /* used by qsort() for alphabetic-sort */
  75 #define STRING_COMPARE(a,b)             strcmp((a),(b))
  76
  77 #define FILENAME_LENGTH 1024
  78
  79 /* ------------------------------------------------------------------------ */
  80 /* YOUR CUSTOMIZIES                                                                                                                     */
  81 /* ------------------------------------------------------------------------ */
  82
  83 #ifndef ARCHIVENAME_EXTENTION
  84 #define ARCHIVENAME_EXTENTION   ".lzh"
  85 #endif
  86 #ifndef BACKUPNAME_EXTENTION
  87 #define BACKUPNAME_EXTENTION    ".bak"
  88 #endif
  89 #ifndef TMP_FILENAME_TEMPLATE
  90 #define TMP_FILENAME_TEMPLATE   "/tmp/lhXXXXXX"
  91 #endif
  92
  93 #define SJC_FIRST_P(c)                  \
  94   (((unsigned char)(c) >= 0x80) &&      \
  95    (((unsigned char)(c) < 0xa0) ||      \
  96     ((unsigned char)(c) >= 0xe0) &&     \
  97     ((unsigned char)(c) < 0xfd)))
  98 #define SJC_SECOND_P(c)                 \
  99   (((unsigned char)(c) >= 0x40) &&      \
 100    ((unsigned char)(c) < 0xfd) &&       \
 101    ((ungigned char)(c) != 0x7f))
 102
 103 #ifdef MULTIBYTE_CHAR
 104 #define MULTIBYTE_FIRST_P       SJC_FIRST_P
 105 #define MULTIBYTE_SECOND_P      SJC_SECOND_P
 106 #endif                          /* MULTIBYTE_CHAR */
 107
 108 /* ------------------------------------------------------------------------ */
 109 /*      LHa File Definitions                                                                                                    */
 110 /* ------------------------------------------------------------------------ */
 111 #ifdef S_IFLNK
 112 #define GETSTAT lstat
 113 #else
 114 #define GETSTAT stat
 115 #endif
 116
 117 #ifdef LHA_MAIN_SRC
 118 #define EXTERN
 119 #else
 120 #define EXTERN                          extern
 121 #endif  /* LHA_MAIN_SRC */
 122
 123 #define LZHUFF0_METHOD                  "-lh0-"
 124 #define LZHUFF1_METHOD                  "-lh1-"
 125 #define LZHUFF2_METHOD                  "-lh2-"
 126 #define LZHUFF3_METHOD                  "-lh3-"
 127 #define LZHUFF4_METHOD                  "-lh4-"
 128 #define LZHUFF5_METHOD                  "-lh5-"
 129 #define LZHUFF6_METHOD                  "-lh6-"
 130 #define LARC_METHOD                             "-lzs-"
 131 #define LARC5_METHOD                    "-lz5-"
 132 #define LARC4_METHOD                    "-lz4-"
 133 #define LZHDIRS_METHOD                  "-lhd-"
 134
 135 #define METHOD_TYPE_STRAGE              5
 136
 137 /* Added N.Watazaki ..V */
 138 #define LZHUFF0_METHOD_NUM              0
 139 #define LZHUFF1_METHOD_NUM              1
 140 #define LZHUFF2_METHOD_NUM              2
 141 #define LZHUFF3_METHOD_NUM              3
 142 #define LZHUFF4_METHOD_NUM              4
 143 #define LZHUFF5_METHOD_NUM              5
 144 #define LZHUFF6_METHOD_NUM              6
 145 #define LARC_METHOD_NUM                 7
 146 #define LARC5_METHOD_NUM                8
 147 #define LARC4_METHOD_NUM                9
 148 #define LZHDIRS_METHOD_NUM              10
 149 /* Added N.Watazaki ..^ */
 150
 151 #define I_HEADER_SIZE                   0
 152 #define I_HEADER_CHECKSUM               1
 153 #define I_METHOD                                2
 154 #define I_PACKED_SIZE                   7
 155 #define I_ORIGINAL_SIZE                 11
 156 #define I_LAST_MODIFIED_STAMP   15
 157 #define I_ATTRIBUTE                             19
 158 #define I_HEADER_LEVEL                  20
 159 #define I_NAME_LENGTH                   21
 160 #define I_NAME                                  22
 161
 162 #define I_CRC                                           22      /* + name_length */
 163 #define I_EXTEND_TYPE                           24      /* + name_length */
 164 #define I_MINOR_VERSION                         25      /* + name_length */
 165 #define I_UNIX_LAST_MODIFIED_STAMP      26      /* + name_length */
 166 #define I_UNIX_MODE                                     30      /* + name_length */
 167 #define I_UNIX_UID                                      32      /* + name_length */
 168 #define I_UNIX_GID                                      34      /* + name_length */
 169 #define I_UNIX_EXTEND_BOTTOM            36      /* + name_length */
 170
 171 #define I_GENERIC_HEADER_BOTTOM         I_EXTEND_TYPE
 172
 173 #define EXTEND_GENERIC                  0
 174 #define EXTEND_UNIX                             'U'
 175 #define EXTEND_MSDOS                    'M'
 176 #define EXTEND_MACOS                    'm'
 177 #define EXTEND_OS9                              '9'
 178 #define EXTEND_OS2                              '2'
 179 #define EXTEND_OS68K                    'K'
 180 #define EXTEND_OS386                    '3'     /* OS-9000??? */
 181 #define EXTEND_HUMAN                    'H'
 182 #define EXTEND_CPM                              'C'
 183 #define EXTEND_FLEX                             'F'
 184 #define EXTEND_RUNSER                   'R'
 185
 186 /* this OS type is not official */
 187
 188 #define EXTEND_TOWNSOS                  'T'
 189 #define EXTEND_XOSK                             'X'
 190
 191 /*---------------------------------------------------------------------------*/
 192
 193 #define GENERIC_ATTRIBUTE                               0x20
 194 #define GENERIC_DIRECTORY_ATTRIBUTE             0x10
 195 #define HEADER_LEVEL0                                   0x00
 196 #define HEADER_LEVEL1                                   0x01
 197 #define HEADER_LEVEL2                                   0x02
 198
 199 #define CURRENT_UNIX_MINOR_VERSION              0x00
 200
 201 #define DELIM           ('/')
 202 #define DELIM2          (0xff)
 203 #define DELIMSTR        "/"
 204
 205 #define OSK_RW_RW_RW                    0000033
 206 #define OSK_FILE_REGULAR                0000000
 207 #define OSK_DIRECTORY_PERM              0000200
 208 #define OSK_SHARED_PERM                 0000100
 209 #define OSK_OTHER_EXEC_PERM             0000040
 210 #define OSK_OTHER_WRITE_PERM    0000020
 211 #define OSK_OTHER_READ_PERM             0000010
 212 #define OSK_OWNER_EXEC_PERM             0000004
 213 #define OSK_OWNER_WRITE_PERM    0000002
 214 #define OSK_OWNER_READ_PERM             0000001
 215
 216 #define UNIX_FILE_TYPEMASK              0170000
 217 #define UNIX_FILE_REGULAR               0100000
 218 #define UNIX_FILE_DIRECTORY             0040000
 219 #define UNIX_FILE_SYMLINK               0120000
 220 #define UNIX_SETUID                             0004000
 221 #define UNIX_SETGID                             0002000
 222 #define UNIX_STYCKYBIT                  0001000
 223 #define UNIX_OWNER_READ_PERM    0000400
 224 #define UNIX_OWNER_WRITE_PERM   0000200
 225 #define UNIX_OWNER_EXEC_PERM    0000100
 226 #define UNIX_GROUP_READ_PERM    0000040
 227 #define UNIX_GROUP_WRITE_PERM   0000020
 228 #define UNIX_GROUP_EXEC_PERM    0000010
 229 #define UNIX_OTHER_READ_PERM    0000004
 230 #define UNIX_OTHER_WRITE_PERM   0000002
 231 #define UNIX_OTHER_EXEC_PERM    0000001
 232 #define UNIX_RW_RW_RW                   0000666
 233
 234 #define LZHEADER_STRAGE                 4096
 235
 236 #define MAX_INDICATOR_COUNT             64
 237
 238 typedef short                                   node;
 239
 240 /* ------------------------------------------------------------------------ */
 241 /*      Slide relation                                                                                                                  */
 242 /* ------------------------------------------------------------------------ */
 243 #if defined(__STDC__) || defined(AIX)
 244
 245 #include <limits.h>
 246
 247 #else
 248
 249 #ifndef CHAR_BIT
 250 #define CHAR_BIT  8
 251 #endif
 252
 253 #ifndef UCHAR_MAX
 254 #define UCHAR_MAX                               ((1<<(sizeof(unsigned char)*8))-1)
 255 #endif
 256
 257 #ifndef USHRT_MAX
 258 #define USHRT_MAX                               ((1<<(sizeof(unsigned short)*8))-1)
 259 #endif
 260
 261 #ifndef SHRT_MAX
 262 #define SHRT_MAX                                ((1<<(sizeof(short)*8-1))-1)
 263 #endif
 264
 265 #ifndef SHRT_MIN
 266 #define SHRT_MIN                                (SHRT_MAX-USHRT_MAX)
 267 #endif
 268
 269 #ifndef ULONG_MAX
 270 #define ULONG_MAX       ((1<<(sizeof(unsigned long)*8))-1)
 271 #endif
 272
 273 #ifndef LONG_MAX
 274 #define LONG_MAX        ((1<<(sizeof(long)*8-1))-1)
 275 #endif
 276
 277 #ifndef LONG_MIN
 278 #define LONG_MIN        (LONG_MAX-ULONG_MAX)
 279 #endif
 280
 281 #endif  /* not __STDC__ */
 282
 283 /* ------------------------------------------------------------------------ */
 284 /*      FILE Attribute                                                                                                                  */
 285 /* ------------------------------------------------------------------------ */
 286 #define is_directory(statp)             (((statp)->st_mode & S_IFMT) == S_IFDIR)
 287 #define is_symlink(statp)               (((statp)->st_mode & S_IFMT) == S_IFLNK)
 288 #define is_regularfile(statp)   (((statp)->st_mode & S_IFMT) == S_IFREG)
 289
 290 #ifdef MSDOS
 291 #define WRITE_BINARY    "wb"
 292 #define READ_BINARY             "rb"
 293 #else
 294 #define WRITE_BINARY    "w"
 295 #define READ_BINARY             "r"
 296 #endif
 297
 298 /* ------------------------------------------------------------------------ */
 299 /*      Memory and String function                                                                                              */
 300 /* ------------------------------------------------------------------------ */
 301 #include <string.h>
 302
 303 #ifdef NOINDEX
 304 #define index                   strchr
 305 #define rindex                  strrchr
 306 #endif  /* NOINDEX */
 307
 308 #ifdef NOBSTRING
 309 #define bcmp(a,b,n)             memcmp ((a),(b),(n))
 310 #define bzero(d,n)              memset((d),0,(n))
 311 #define bcopy(s,d,n)    memmove((d),(s),(n))
 312 #endif  /* NOBSTRING */
 313
 314 #ifdef USESTRCASECMP
 315 #define strucmp(p,q)    strcasecmp((p),(q))
 316 #endif
 317
 318 /* ------------------------------------------------------------------------ */
 319 /* Individual macro define                                                                                                      */
 320 /* ------------------------------------------------------------------------ */
 321
 322 /* from crcio.c */
 323 #define CRCPOLY                 0xA001          /* CRC-16 */
 324 #define UPDATE_CRC(c)   crc = crctable[(crc ^ (c)) & 0xFF] ^ (crc >> CHAR_BIT)
 325
 326 /* dhuf.c */
 327 #define N_CHAR      (256 + 60 - THRESHOLD + 1)
 328 #define TREESIZE_C  (N_CHAR * 2)
 329 #define TREESIZE_P  (128 * 2)
 330 #define TREESIZE    (TREESIZE_C + TREESIZE_P)
 331 #define ROOT_C      0
 332 #define ROOT_P      TREESIZE_C
 333
 334 /* header.c */
 335 #define setup_get(PTR)  (get_ptr = (PTR))
 336 #define get_byte()              (*get_ptr++ & 0xff)
 337 #define put_ptr                 get_ptr
 338 #define setup_put(PTR)  (put_ptr = (PTR))
 339 #define put_byte(c)             (*put_ptr++ = (char)(c))
 340
 341 /* huf.c */
 342 #define NP                      (MAX_DICBIT + 1)
 343 #define NT                      (USHRT_BIT + 3)
 344 #if 0
 345 #define PBIT            4               /* smallest integer such that (1 << PBIT) > * NP */
 346 #define TBIT            5               /* smallest integer such that (1 << TBIT) > * NT */
 347 #endif
 348
 349 #define PBIT            5               /* smallest integer such that (1 << PBIT) > * NP */
 350 #define TBIT            5               /* smallest integer such that (1 << TBIT) > * NT */
 351
 352 #define NC                      (UCHAR_MAX + MAXMATCH + 2 - THRESHOLD)
 353
 354 /*              #if NT > NP #define NPT NT #else #define NPT NP #endif  */
 355 #define NPT                     0x80
 356
 357 /* larc.c */
 358 #define MAGIC0          18
 359 #define MAGIC5          19
 360
 361 /* lharc.c */
 362 #define CMD_UNKNOWN     0
 363 #define CMD_EXTRACT     1
 364 #define CMD_ADD         2
 365 #define CMD_LIST        3
 366 #define CMD_DELETE      4
 367
 368 #define STREQU(a,b)     (((a)[0] == (b)[0]) ? (strcmp ((a),(b)) == 0) : FALSE)
 369
 370 /* shuf.c */
 371 #define N1                      286                             /* alphabet size */
 372 #define N2                      (2 * N1 - 1)    /* # of nodes in Huffman tree */
 373 #define EXTRABITS       8                               /* >= log2(F-THRESHOLD+258-N1) */
 374 #define BUFBITS         16                              /* >= log2(MAXBUF) */
 375 #define LENFIELD        4                               /* bit size of length field for tree output */
 376
 377 /* util.c */
 378 #define BUFFERSIZE      2048
 379 #define MAXSFXCODE      1024*64
 380
 381 #ifndef NULL
 382 #define NULL            (char *)0
 383 #endif
 384
 385 /* slide.c */
 386 /*
 387 #define PERCOLATE  1
 388 #define NIL        0
 389 #define HASH(p, c) ((p) + ((c) << hash1) + hash2)
 390 */
 391
 392 /* slide.c */
 393 #define MAX_DICBIT                      15      /* lh6 use 15bits */
 394 #define MAX_DICSIZ                      (1 << MAX_DICBIT)
 395 #define MATCHBIT                        8       /* bits for MAXMATCH - THRESHOLD */
 396 #define MAXMATCH                        256     /* formerly F (not more than UCHAR_MAX + 1) */
 397 #define THRESHOLD                       3       /* choose optimal value */
 398
 399 /* from huf.c */
 400
 401 /* alphabet = {0, 1, 2, ..., NC - 1} */
 402 #define CBIT                            9       /* $\lfloor \log_2 NC \rfloor + 1$ */
 403 #define USHRT_BIT                       16      /* (CHAR_BIT * sizeof(ushort)) */