src/lha.h

   1 /* ------------------------------------------------------------------------ */
   2 /* LHa for UNIX    Archiver Driver                                                                                      */
   3 /*                                                                                                                                                      */
   4 /*              Modified                        Nobutaka Watazaki                                                       */
   5 /*                                                                                                                                                      */
   6 /*      Ver. 1.14       Soruce All chagned                              1995.01.14      N.Watazaki              */
   7 /*      Ver. 1.14i      Modified and bug fixed                  2000.10.06      t.okamoto       */
   8 /* ------------------------------------------------------------------------ */
   9 /*
  10         Included...
  11                 lharc.h         interface.h             slidehuf.h
  12 */
  13
  14 #ifdef HAVE_CONFIG_H
  15 # include <config.h>
  16 #endif
  17
  18 #include <stdio.h>
  19 #include <errno.h>
  20 #include <ctype.h>
  21 #include <sys/types.h>
  22 #include <sys/file.h>
  23 #include <sys/stat.h>
  24
  25 #include <signal.h>
  26
  27 #include "lha_macro.h"
  28
  29 struct encode_option {
  30 #if defined(__STDC__) || defined(AIX)
  31         void            (*output) ();
  32         void            (*encode_start) ();
  33         void            (*encode_end) ();
  34 #else
  35         int             (*output) ();
  36         int             (*encode_start) ();
  37         int             (*encode_end) ();
  38 #endif
  39 };
  40
  41 struct decode_option {
  42         unsigned short  (*decode_c) ();
  43         unsigned short  (*decode_p) ();
  44 #if defined(__STDC__) || defined(AIX)
  45         void            (*decode_start) ();
  46 #else
  47         int             (*decode_start) ();
  48 #endif
  49 };
  50
  51 /* ------------------------------------------------------------------------ */
  52 /*      LHa File Type Definition                                                                                                */
  53 /* ------------------------------------------------------------------------ */
  54 struct string_pool {
  55         int             used;
  56         int             size;
  57         int             n;
  58         char           *buffer;
  59 };
  60
  61 typedef struct LzHeader {
  62         unsigned char   header_size;
  63         char            method[METHOD_TYPE_STRAGE];
  64         long            packed_size;
  65         long            original_size;
  66         long            last_modified_stamp;
  67         unsigned char   attribute;
  68         unsigned char   header_level;
  69         char            name[256];
  70         unsigned short  crc;
  71         boolean         has_crc;
  72         unsigned char   extend_type;
  73         unsigned char   minor_version;
  74
  75         /* extend_type == EXTEND_UNIX  and convert from other type. */
  76         time_t          unix_last_modified_stamp;
  77         unsigned short  unix_mode;
  78         unsigned short  unix_uid;
  79         unsigned short  unix_gid;
  80 }  LzHeader;
  81
  82 struct interfacing {
  83         FILE                    *infile;
  84         FILE                    *outfile;
  85         unsigned long   original;
  86         unsigned long   packed;
  87         int             dicbit;
  88         int             method;
  89 };
  90
  91
  92 /* ------------------------------------------------------------------------ */
  93 /*      Option switch variable                                                                                                  */
  94 /* ------------------------------------------------------------------------ */
  95 /* command line options (common options) */
  96 EXTERN boolean  quiet;
  97 EXTERN boolean  text_mode;
  98 EXTERN boolean  verbose;
  99 EXTERN boolean  noexec;         /* debugging option */
 100 EXTERN boolean  force;
 101 EXTERN boolean  prof;
 102 EXTERN boolean  delete_after_append;
 103 EXTERN int              compress_method;
 104 EXTERN int              header_level;
 105 /* EXTERN int           quiet_mode; */   /* 1996.8.13 t.okamoto */
 106 #ifdef EUC
 107 EXTERN boolean  euc_mode;
 108 #endif
 109
 110 /* list command flags */
 111 EXTERN boolean  verbose_listing;
 112
 113 /* extract/print command flags */
 114 EXTERN boolean  output_to_stdout;
 115
 116 /* add/update/delete command flags */
 117 EXTERN boolean  new_archive;
 118 EXTERN boolean  update_if_newer;
 119 EXTERN boolean  generic_format;
 120
 121 EXTERN boolean  remove_temporary_at_error;
 122 EXTERN boolean  recover_archive_when_interrupt;
 123 EXTERN boolean  remove_extracting_file_when_interrupt;
 124 EXTERN boolean  get_filename_from_stdin;
 125 EXTERN boolean  ignore_directory;
 126 EXTERN boolean  verify_mode;
 127
 128 /* Indicator flag */
 129 EXTERN int              quiet_mode;
 130
 131 /* ------------------------------------------------------------------------ */
 132 /*      Globale Variable                                                                                                                */
 133 /* ------------------------------------------------------------------------ */
 134 EXTERN char             **cmd_filev;
 135 EXTERN int      cmd_filec;
 136
 137 EXTERN char             *archive_name;
 138 EXTERN char     expanded_archive_name[FILENAME_LENGTH];
 139 EXTERN char     temporary_name[FILENAME_LENGTH];
 140 EXTERN char     backup_archive_name[FILENAME_LENGTH];
 141
 142 EXTERN char             *reading_filename, *writting_filename;
 143
 144 /* 1996.8.13 t.okamoto */
 145 #if 0
 146 EXTERN boolean  remove_temporary_at_error;
 147 EXTERN boolean  recover_archive_when_interrupt;
 148 EXTERN boolean  remove_extracting_file_when_interrupt;
 149 #endif
 150
 151 EXTERN int      archive_file_mode;
 152 EXTERN int      archive_file_gid;
 153
 154 EXTERN struct   interfacing interface;
 155 EXTERN node             *next;
 156 /* EXTERN unsigned short crc; */  /* 1996.8.13 t.okamoto */
 157
 158 EXTERN int      noconvertcase; /* 2000.10.6 */
 159
 160 /* slide.c */
 161 EXTERN int      unpackable;
 162 EXTERN unsigned long origsize, compsize;
 163 EXTERN unsigned short dicbit;
 164 EXTERN unsigned short maxmatch;
 165 EXTERN unsigned long count;
 166 EXTERN unsigned long loc;                       /* short -> long .. Changed N.Watazaki */
 167 EXTERN unsigned char *text;
 168 EXTERN int              prev_char;
 169
 170 /* huf.c */
 171 #ifndef LHA_MAIN_SRC  /* t.okamoto 96/2/20 */
 172 EXTERN unsigned short left[], right[];
 173 EXTERN unsigned char c_len[], pt_len[];
 174 EXTERN unsigned short c_freq[], c_table[], c_code[];
 175 EXTERN unsigned short p_freq[], pt_table[], pt_code[], t_freq[];
 176 #endif
 177
 178 /* append.c */
 179 #ifdef NEED_INCREMENTAL_INDICATOR
 180 EXTERN long             indicator_count;
 181 EXTERN long             indicator_threshold;
 182 #endif
 183
 184 /* crcio.c */
 185 EXTERN FILE             *infile, *outfile;
 186 EXTERN unsigned short crc, bitbuf;
 187 EXTERN int      dispflg;
 188 EXTERN long             reading_size;
 189
 190 /* from dhuf.c */
 191 EXTERN unsigned int n_max;
 192
 193 /* lhadd.c */
 194 EXTERN int temporary_fd;
 195
 196 /* ------------------------------------------------------------------------ */
 197 /*      Functions                                                                                                                               */
 198 /* ------------------------------------------------------------------------ */
 199 /* from lharc.c */
 200 extern int              patmatch();
 201
 202 extern void             interrupt();
 203
 204 extern void             message();
 205 extern void             warning();
 206 extern void             error();
 207 extern void             fatal_error();
 208
 209 extern boolean  need_file();
 210 extern int              inquire();
 211 extern FILE             *xfopen();
 212
 213 extern boolean  find_files();
 214 extern void             free_files();
 215
 216 extern void             init_sp();
 217 extern void             add_sp();
 218 extern void             finish_sp();
 219 extern void             free_sp();
 220 extern void             cleaning_files();
 221
 222 extern int              build_temporary_name();
 223 extern void             build_backup_file_name();
 224 extern void             build_standard_archive_name();
 225
 226 extern FILE             *open_old_archive();
 227 extern void             init_header();
 228 extern boolean  get_header();
 229 extern boolean  archive_is_msdos_sfx1();
 230 extern boolean  skip_msdos_sfx1_code();
 231 extern void             write_header();
 232 extern void             write_archive_tail();
 233 extern void             copy_old_one();
 234 extern unsigned char *convdelim();
 235 extern long             copyfile();
 236
 237 extern void             cmd_list(), cmd_extract(), cmd_add(), cmd_delete();
 238
 239 extern boolean  ignore_directory;
 240 extern boolean  compress_method;
 241 extern boolean  verify_mode;
 242
 243 extern char             *extract_directory;
 244
 245 /* from slide.c */
 246
 247 extern int              encode_alloc();
 248 extern void             encode();
 249 extern void             decode();
 250
 251 /* from append.c */
 252 extern void     start_indicator();
 253 extern void     finish_indicator();
 254 extern void     finish_indicator2();
 255
 256 /* slide.c */
 257 extern void     output_st1();
 258 extern unsigned char *alloc_buf();
 259 extern void     encode_start_st1();
 260 extern void     encode_end_st1();
 261 extern unsigned short decode_c_st1();
 262 extern unsigned short decode_p_st1();
 263 extern void     decode_start_st1();
 264
 265 /* from shuf.c */
 266 extern void     decode_start_st0();
 267 extern void     encode_p_st0( /* unsigned short j */ );
 268 extern void     encode_start_fix();
 269 extern void     decode_start_fix();
 270 extern unsigned short decode_c_st0();
 271 extern unsigned short decode_p_st0();
 272
 273 /* from dhuf.c */
 274 extern void     start_c_dyn();
 275 extern void     decode_start_dyn();
 276 extern unsigned short decode_c_dyn();
 277 extern unsigned short decode_p_dyn();
 278 extern void     output_dyn( /* int code, unsigned int pos */ );
 279 extern void     encode_end_dyn();
 280
 281 extern int      decode_lzhuf();
 282
 283 /* from larc.c */
 284
 285 extern unsigned short decode_c_lzs();
 286 extern unsigned short decode_p_lzs();
 287 extern unsigned short decode_c_lz5();
 288 extern unsigned short decode_p_lz5();
 289 extern void                       decode_start_lzs();
 290 extern void                       decode_start_lz5();
 291
 292 extern void     make_table(     /* int nchar, uchar bitlen[], int tablebits,
 293                                                         ushort table[] */ );
 294
 295 /* from maketree.c */
 296 /*
 297  * void make_code(short n, uchar len[], ushort code[]); short make_tree(short
 298  * nparm, ushort freqparm[], uchar lenparm[], ushort codeparam[]);
 299  */
 300 extern void             make_code( /* int n, uchar len[], ushort code[] */ );
 301 extern short    make_tree( /* int nparm, ushort freqparm[], uchar lenparm[],
 302                                                                 ushort codeparam[] */ );
 303
 304 /* from crcio.c */
 305 extern void                             make_crctable();
 306 extern unsigned short   calccrc( /* uchar *p, uint n */ );
 307 extern void                             fillbuf( /* uchar n */ );
 308 extern unsigned short   getbits( /* uchar n */ );
 309 extern void                             putcode( /* uchar n, ushort x */ );
 310 extern void                             putbits( /* uchar n, ushort x */ );
 311 extern int                              fread_crc( /* uchar *p, int n, FILE *f */ );
 312 extern void                             fwrite_crc( /* uchar *p, int n, FILE *f */ );
 313 extern void                             init_getbits();
 314 extern void                             init_putbits();
 315 extern void                     make_crctable();
 316 extern unsigned                 short calccrc();
 317
 318 /* from lhadd.c */
 319 extern int              encode_lzhuf();
 320 extern int      encode_stored_crc();
 321
 322 /* from header.c */
 323 void euc2sjis(int *p1, int *p2);
 324 void sjis2euc(int *p1, int *p2);
 325
 326 /* Local Variables: */
 327 /* mode:c */
 328 /* tab-width:4 */
 329 /* End: */
 330
 331