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 CODE_CAP 4              /* Columbia AppleTalk Program */
48 #define TO_LOWER 1
49 #define TO_UPPER 2
50 
51 /* ------------------------------------------------------------------------ */
52 /*  LHa File Definitions                                                    */
53 /* ------------------------------------------------------------------------ */
54 #ifdef S_IFLNK
55 #define GETSTAT lstat
56 #else
57 #define GETSTAT stat
58 #endif
59 
60 #define LZHUFF0_METHOD          "-lh0-"
61 #define LZHUFF1_METHOD          "-lh1-"
62 #define LZHUFF2_METHOD          "-lh2-"
63 #define LZHUFF3_METHOD          "-lh3-"
64 #define LZHUFF4_METHOD          "-lh4-"
65 #define LZHUFF5_METHOD          "-lh5-"
66 #define LZHUFF6_METHOD          "-lh6-"
67 #define LZHUFF7_METHOD          "-lh7-"
68 #define LARC_METHOD             "-lzs-"
69 #define LARC5_METHOD            "-lz5-"
70 #define LARC4_METHOD            "-lz4-"
71 #define LZHDIRS_METHOD          "-lhd-"
72 
73 #define METHOD_TYPE_STORAGE     5
74 
75 /* Added N.Watazaki ..V */
76 #define LZHUFF0_METHOD_NUM      0
77 #define LZHUFF1_METHOD_NUM      1
78 #define LZHUFF2_METHOD_NUM      2
79 #define LZHUFF3_METHOD_NUM      3
80 #define LZHUFF4_METHOD_NUM      4
81 #define LZHUFF5_METHOD_NUM      5
82 #define LZHUFF6_METHOD_NUM      6
83 #define LZHUFF7_METHOD_NUM      7
84 #define LARC_METHOD_NUM         8
85 #define LARC5_METHOD_NUM        9
86 #define LARC4_METHOD_NUM        10
87 #define LZHDIRS_METHOD_NUM      11
88 /* Added N.Watazaki ..^ */
89 
90 #define LZHUFF0_DICBIT           0      /* no compress */
91 #define LZHUFF1_DICBIT          12      /* 2^12 =  4KB sliding dictionary */
92 #define LZHUFF2_DICBIT          13      /* 2^13 =  8KB sliding dictionary */
93 #define LZHUFF3_DICBIT          13      /* 2^13 =  8KB sliding dictionary */
94 #define LZHUFF4_DICBIT          12      /* 2^12 =  4KB sliding dictionary */
95 #define LZHUFF5_DICBIT          13      /* 2^13 =  8KB sliding dictionary */
96 #define LZHUFF6_DICBIT          15      /* 2^15 = 32KB sliding dictionary */
97 #define LZHUFF7_DICBIT          16      /* 2^16 = 64KB sliding dictionary */
98 #define LARC_DICBIT             11      /* 2^11 =  2KB sliding dictionary */
99 #define LARC5_DICBIT            12      /* 2^12 =  4KB sliding dictionary */
100 #define LARC4_DICBIT             0      /* no compress */
101 
102 #ifdef SUPPORT_LH7
103 #define MAX_DICBIT          LZHUFF7_DICBIT      /* lh7 use 16bits */
104 #endif
105 #ifndef SUPPORT_LH7
106 #define MAX_DICBIT          LZHUFF6_DICBIT      /* lh6 use 15bits */
107 #endif
108 
109 #define MAX_DICSIZ          (1L << MAX_DICBIT)
110 
111 #define EXTEND_GENERIC          0
112 #define EXTEND_UNIX             'U'
113 #define EXTEND_MSDOS            'M'
114 #define EXTEND_MACOS            'm'
115 #define EXTEND_OS9              '9'
116 #define EXTEND_OS2              '2'
117 #define EXTEND_OS68K            'K'
118 #define EXTEND_OS386            '3' /* OS-9000??? */
119 #define EXTEND_HUMAN            'H'
120 #define EXTEND_CPM              'C'
121 #define EXTEND_FLEX             'F'
122 #define EXTEND_RUNSER           'R'
123 
124 /* this OS type is not official */
125 
126 #define EXTEND_TOWNSOS          'T'
127 #define EXTEND_XOSK             'X' /* OS-9 for X68000 (?) */
128 #define EXTEND_JAVA             'J'
129 
130 /*---------------------------------------------------------------------------*/
131 
132 #define GENERIC_ATTRIBUTE               0x20
133 #define GENERIC_DIRECTORY_ATTRIBUTE     0x10
134 
135 #define CURRENT_UNIX_MINOR_VERSION      0x00
136 
137 #define LHA_PATHSEP             0xff    /* path separator of the
138                                            filename in lha header.
139                                            it should compare with
140                                            `unsigned char' or `int',
141                                            that is not '\xff', but 0xff. */
142 
143 #define OSK_RW_RW_RW            0000033
144 #define OSK_FILE_REGULAR        0000000
145 #define OSK_DIRECTORY_PERM      0000200
146 #define OSK_SHARED_PERM         0000100
147 #define OSK_OTHER_EXEC_PERM     0000040
148 #define OSK_OTHER_WRITE_PERM    0000020
149 #define OSK_OTHER_READ_PERM     0000010
150 #define OSK_OWNER_EXEC_PERM     0000004
151 #define OSK_OWNER_WRITE_PERM    0000002
152 #define OSK_OWNER_READ_PERM     0000001
153 
154 #define UNIX_FILE_TYPEMASK      0170000
155 #define UNIX_FILE_REGULAR       0100000
156 #define UNIX_FILE_DIRECTORY     0040000
157 #define UNIX_FILE_SYMLINK       0120000
158 #define UNIX_SETUID             0004000
159 #define UNIX_SETGID             0002000
160 #define UNIX_STICKYBIT          0001000
161 #define UNIX_OWNER_READ_PERM    0000400
162 #define UNIX_OWNER_WRITE_PERM   0000200
163 #define UNIX_OWNER_EXEC_PERM    0000100
164 #define UNIX_GROUP_READ_PERM    0000040
165 #define UNIX_GROUP_WRITE_PERM   0000020
166 #define UNIX_GROUP_EXEC_PERM    0000010
167 #define UNIX_OTHER_READ_PERM    0000004
168 #define UNIX_OTHER_WRITE_PERM   0000002
169 #define UNIX_OTHER_EXEC_PERM    0000001
170 #define UNIX_RW_RW_RW           0000666
171 
172 #define LZHEADER_STORAGE        4096
173 
174 /* ------------------------------------------------------------------------ */
175 /*  FILE Attribute                                                          */
176 /* ------------------------------------------------------------------------ */
177 #define is_directory(statp)     (((statp)->st_mode & S_IFMT) == S_IFDIR)
178 #define is_symlink(statp)       (((statp)->st_mode & S_IFMT) == S_IFLNK)
179 #define is_regularfile(statp)   (((statp)->st_mode & S_IFMT) == S_IFREG)
180 
181 #if 1 /* assume that fopen() will accepts "b" as binary mode on all systems. */
182 #define WRITE_BINARY    "wb"
183 #define READ_BINARY     "rb"
184 #else
185 #define WRITE_BINARY    "w"
186 #define READ_BINARY     "r"
187 #endif
188 
189 /* ------------------------------------------------------------------------ */
190 /* Individual macro define                                                  */
191 /* ------------------------------------------------------------------------ */
192 
193 #define MIN(a,b) ((a) <= (b) ? (a) : (b))
194 
195 /* bitio.c */
196 #define peekbits(n)     (bitbuf >> (sizeof(bitbuf)*8 - (n)))
197 
198 /* crcio.c */
199 #define CRCPOLY         0xA001      /* CRC-16 (x^16+x^15+x^2+1) */
200 #define INITIALIZE_CRC(crc) ((crc) = 0)
201 #define UPDATE_CRC(crc, c) \
202  (crctable[((crc) ^ (c)) & 0xFF] ^ ((crc) >> CHAR_BIT))
203 
204 /* dhuf.c */
205 #define N_CHAR      (256 + 60 - THRESHOLD + 1)
206 #define TREESIZE_C  (N_CHAR * 2)
207 #define TREESIZE_P  (128 * 2)
208 #define TREESIZE    (TREESIZE_C + TREESIZE_P)
209 #define ROOT_C      0
210 #define ROOT_P      TREESIZE_C
211 
212 /* huf.c */
213 #define USHRT_BIT           16  /* (CHAR_BIT * sizeof(ushort)) */
214 #define NP          (MAX_DICBIT + 1)
215 #define NT          (USHRT_BIT + 3)
216 #define NC          (UCHAR_MAX + MAXMATCH + 2 - THRESHOLD)
217 
218 #define PBIT        5       /* smallest integer such that (1 << PBIT) > * NP */
219 #define TBIT        5       /* smallest integer such that (1 << TBIT) > * NT */
220 #define CBIT        9       /* smallest integer such that (1 << CBIT) > * NC */
221 
222 /*      #if NT > NP #define NPT NT #else #define NPT NP #endif  */
223 #define NPT         0x80
224 
225 /* larc.c */
226 #define MAGIC0      18
227 #define MAGIC5      19
228 
229 /* lharc.c */
230 #define CMD_UNKNOWN 0
231 #define CMD_EXTRACT 1
232 #define CMD_ADD     2
233 #define CMD_LIST    3
234 #define CMD_DELETE  4
235 
236 #define STREQU(a,b) (((a)[0] == (b)[0]) ? (strcmp ((a),(b)) == 0) : FALSE)
237 
238 /* shuf.c */
239 #define N1          286             /* alphabet size */
240 #define N2          (2 * N1 - 1)    /* # of nodes in Huffman tree */
241 #define EXTRABITS   8               /* >= log2(F-THRESHOLD+258-N1) */
242 #define BUFBITS     16              /* >= log2(MAXBUF) */
243 #define LENFIELD    4               /* bit size of length field for tree output */
244 
245 /* util.c */
246 #define BUFFERSIZE  2048
247 
248 /* slide.c */
249 /*
250 #define PERCOLATE  1
251 #define NIL        0
252 #define HASH(p, c) ((p) + ((c) << hash1) + hash2)
253 */
254 
255 /* slide.c */
256 #define MAXMATCH            256 /* formerly F (not more than UCHAR_MAX + 1) */
257 #define THRESHOLD           3   /* choose optimal value */
258