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 #include <signal.h>
  25 #include <stdarg.h>
  26
  27 #if HAVE_PWD_H
  28 # include <pwd.h>
  29 #endif
  30 #if HAVE_GRP_H
  31 # include <grp.h>
  32 #endif
  33
  34 #if !HAVE_UID_T
  35 typedef int uid_t;
  36 #endif
  37 #if !HAVE_GID_T
  38 typedef int gid_t;
  39 #endif
  40
  41 #include "lha_macro.h"
  42
  43 struct encode_option {
  44 #if defined(__STDC__) || defined(AIX)
  45         void            (*output) ();
  46         void            (*encode_start) ();
  47         void            (*encode_end) ();
  48 #else
  49         int             (*output) ();
  50         int             (*encode_start) ();
  51         int             (*encode_end) ();
  52 #endif
  53 };
  54
  55 struct decode_option {
  56         unsigned short  (*decode_c) ();
  57         unsigned short  (*decode_p) ();
  58 #if defined(__STDC__) || defined(AIX)
  59         void            (*decode_start) ();
  60 #else
  61         int             (*decode_start) ();
  62 #endif
  63 };
  64
  65 /* ------------------------------------------------------------------------ */
  66 /*      LHa File Type Definition                                                                                                */
  67 /* ------------------------------------------------------------------------ */
  68 struct string_pool {
  69         int             used;
  70         int             size;
  71         int             n;
  72         char           *buffer;
  73 };
  74
  75 typedef struct LzHeader {
  76         unsigned char   header_size;
  77         char            method[METHOD_TYPE_STRAGE];
  78         long            packed_size;
  79         long            original_size;
  80         long            last_modified_stamp;
  81         unsigned char   attribute;
  82         unsigned char   header_level;
  83         char            name[256];
  84         unsigned short  crc;
  85         boolean         has_crc;
  86         unsigned char   extend_type;
  87         unsigned char   minor_version;
  88
  89         /* extend_type == EXTEND_UNIX  and convert from other type. */
  90         time_t          unix_last_modified_stamp;
  91         unsigned short  unix_mode;
  92         unsigned short  unix_uid;
  93         unsigned short  unix_gid;
  94     char            user[256];
  95     char            group[256];
  96 }  LzHeader;
  97
  98 struct interfacing {
  99         FILE                    *infile;
 100         FILE                    *outfile;
 101         unsigned long   original;
 102         unsigned long   packed;
 103         int             dicbit;
 104         int             method;
 105 };
 106
 107
 108 /* ------------------------------------------------------------------------ */
 109 /*      Option switch variable                                                                                                  */
 110 /* ------------------------------------------------------------------------ */
 111 /* command line options (common options) */
 112 EXTERN boolean  quiet;
 113 EXTERN boolean  text_mode;
 114 EXTERN boolean  verbose;
 115 EXTERN boolean  noexec;         /* debugging option */
 116 EXTERN boolean  force;
 117 EXTERN boolean  prof;
 118 EXTERN boolean  delete_after_append;
 119 EXTERN int              compress_method;
 120 EXTERN int              header_level;
 121 /* EXTERN int           quiet_mode; */   /* 1996.8.13 t.okamoto */
 122 #ifdef EUC
 123 EXTERN boolean  euc_mode;
 124 #endif
 125
 126 /* list command flags */
 127 EXTERN boolean  verbose_listing;
 128
 129 /* extract/print command flags */
 130 EXTERN boolean  output_to_stdout;
 131
 132 /* add/update/delete command flags */
 133 EXTERN boolean  new_archive;
 134 EXTERN boolean  update_if_newer;
 135 EXTERN boolean  generic_format;
 136
 137 EXTERN boolean  remove_temporary_at_error;
 138 EXTERN boolean  recover_archive_when_interrupt;
 139 EXTERN boolean  remove_extracting_file_when_interrupt;
 140 EXTERN boolean  get_filename_from_stdin;
 141 EXTERN boolean  ignore_directory;
 142 EXTERN boolean  verify_mode;
 143
 144 /* Indicator flag */
 145 EXTERN int              quiet_mode;
 146
 147 /* ------------------------------------------------------------------------ */
 148 /*      Globale Variable                                                                                                                */
 149 /* ------------------------------------------------------------------------ */
 150 EXTERN char             **cmd_filev;
 151 EXTERN int      cmd_filec;
 152
 153 EXTERN char             *archive_name;
 154 EXTERN char     temporary_name[FILENAME_LENGTH];
 155 EXTERN char     backup_archive_name[FILENAME_LENGTH];
 156
 157 EXTERN char             *reading_filename, *writting_filename;
 158
 159 /* 1996.8.13 t.okamoto */
 160 #if 0
 161 EXTERN boolean  remove_temporary_at_error;
 162 EXTERN boolean  recover_archive_when_interrupt;
 163 EXTERN boolean  remove_extracting_file_when_interrupt;
 164 #endif
 165
 166 EXTERN int      archive_file_mode;
 167 EXTERN int      archive_file_gid;
 168
 169 EXTERN struct   interfacing interface;
 170 EXTERN node             *next;
 171 /* EXTERN unsigned short crc; */  /* 1996.8.13 t.okamoto */
 172
 173 EXTERN int      noconvertcase; /* 2000.10.6 */
 174
 175 /* slide.c */
 176 EXTERN int      unpackable;
 177 EXTERN unsigned long origsize, compsize;
 178 EXTERN unsigned short dicbit;
 179 EXTERN unsigned short maxmatch;
 180 EXTERN unsigned long count;
 181 EXTERN unsigned long loc;                       /* short -> long .. Changed N.Watazaki */
 182 EXTERN unsigned char *text;
 183 EXTERN int              prev_char;
 184
 185 /* huf.c */
 186 #ifndef LHA_MAIN_SRC  /* t.okamoto 96/2/20 */
 187 EXTERN unsigned short left[], right[];
 188 EXTERN unsigned char c_len[], pt_len[];
 189 EXTERN unsigned short c_freq[], c_table[], c_code[];
 190 EXTERN unsigned short p_freq[], pt_table[], pt_code[], t_freq[];
 191 #endif
 192
 193 /* append.c */
 194 #ifdef NEED_INCREMENTAL_INDICATOR
 195 EXTERN long             indicator_count;
 196 EXTERN long             indicator_threshold;
 197 #endif
 198
 199 /* crcio.c */
 200 EXTERN FILE             *infile, *outfile;
 201 EXTERN unsigned short crc, bitbuf;
 202 EXTERN int      dispflg;
 203 EXTERN long             reading_size;
 204
 205 /* from dhuf.c */
 206 EXTERN unsigned int n_max;
 207
 208 /* lhadd.c */
 209 EXTERN int temporary_fd;
 210
 211 /* ------------------------------------------------------------------------ */
 212 /*      Functions                                                                                                                               */
 213 /* ------------------------------------------------------------------------ */
 214 /* from lharc.c */
 215 extern int              patmatch();
 216
 217 extern void             interrupt();
 218
 219 extern void             message(char *fmt, ...);
 220 extern void             warning(char *fmt, ...);
 221 extern void             error(char *fmt, ...);
 222 extern void             fatal_error(char *fmt, ...);
 223
 224 extern boolean  need_file();
 225 extern int              inquire();
 226 extern FILE             *xfopen();
 227
 228 extern boolean  find_files();
 229 extern void             free_files();
 230
 231 extern void             init_sp();
 232 extern void             add_sp();
 233 extern void             finish_sp();
 234 extern void             free_sp();
 235 extern void             cleaning_files();
 236
 237 extern int              build_temporary_name();
 238 extern void             build_backup_file_name();
 239 extern void             build_standard_archive_name();
 240
 241 extern FILE             *open_old_archive();
 242 extern boolean  archive_is_msdos_sfx1();
 243 extern boolean  skip_msdos_sfx1_code();
 244 extern void             write_archive_tail();
 245 extern void             copy_old_one();
 246 extern unsigned char *convdelim();
 247 extern long             copyfile();
 248
 249 extern void             cmd_list(), cmd_extract(), cmd_add(), cmd_delete();
 250
 251 extern boolean  ignore_directory;
 252 extern boolean  compress_method;
 253 extern boolean  verify_mode;
 254
 255 extern char             *extract_directory;
 256
 257 /* from slide.c */
 258
 259 extern int              encode_alloc();
 260 extern void             encode();
 261 extern void             decode();
 262
 263 /* from append.c */
 264 extern void     start_indicator();
 265 extern void     finish_indicator();
 266 extern void     finish_indicator2();
 267
 268 /* slide.c */
 269 extern void     output_st1();
 270 extern unsigned char *alloc_buf();
 271 extern void     encode_start_st1();
 272 extern void     encode_end_st1();
 273 extern unsigned short decode_c_st1();
 274 extern unsigned short decode_p_st1();
 275 extern void     decode_start_st1();
 276
 277 /* from shuf.c */
 278 extern void     decode_start_st0();
 279 extern void     encode_p_st0( /* unsigned short j */ );
 280 extern void     encode_start_fix();
 281 extern void     decode_start_fix();
 282 extern unsigned short decode_c_st0();
 283 extern unsigned short decode_p_st0();
 284
 285 /* from dhuf.c */
 286 extern void     start_c_dyn();
 287 extern void     decode_start_dyn();
 288 extern unsigned short decode_c_dyn();
 289 extern unsigned short decode_p_dyn();
 290 extern void     output_dyn( /* int code, unsigned int pos */ );
 291 extern void     encode_end_dyn();
 292
 293 extern int      decode_lzhuf();
 294
 295 /* from larc.c */
 296
 297 extern unsigned short decode_c_lzs();
 298 extern unsigned short decode_p_lzs();
 299 extern unsigned short decode_c_lz5();
 300 extern unsigned short decode_p_lz5();
 301 extern void                       decode_start_lzs();
 302 extern void                       decode_start_lz5();
 303
 304 extern void     make_table(     /* int nchar, uchar bitlen[], int tablebits,
 305                                                         ushort table[] */ );
 306
 307 /* from maketree.c */
 308 /*
 309  * void make_code(short n, uchar len[], ushort code[]); short make_tree(short
 310  * nparm, ushort freqparm[], uchar lenparm[], ushort codeparam[]);
 311  */
 312 extern void             make_code( /* int n, uchar len[], ushort code[] */ );
 313 extern short    make_tree( /* int nparm, ushort freqparm[], uchar lenparm[],
 314                                                                 ushort codeparam[] */ );
 315
 316 /* from crcio.c */
 317 extern void                             make_crctable();
 318 extern unsigned short   calccrc( /* uchar *p, uint n */ );
 319 extern void                             fillbuf( /* uchar n */ );
 320 extern unsigned short   getbits( /* uchar n */ );
 321 extern void                             putcode( /* uchar n, ushort x */ );
 322 extern void                             putbits( /* uchar n, ushort x */ );
 323 extern int                              fread_crc( /* uchar *p, int n, FILE *f */ );
 324 extern void                             fwrite_crc( /* uchar *p, int n, FILE *f */ );
 325 extern void                             init_getbits();
 326 extern void                             init_putbits();
 327 extern void                     make_crctable();
 328 extern unsigned                 short calccrc();
 329
 330 /* from lhadd.c */
 331 extern int              encode_lzhuf();
 332 extern int      encode_stored_crc();
 333
 334 /* from header.c */
 335 extern boolean  get_header();
 336 extern void             init_header();
 337 extern void             write_header();
 338 extern char             *sjis_to_utf8(char *, const char *, size_t);
 339 extern char             *utf8_to_sjis(char *, const char *, size_t);
 340 void euc2sjis(int *p1, int *p2);
 341 void sjis2euc(int *p1, int *p2);
 342
 343 /* from util.c */
 344 int xsnprintf(char *dest, size_t size, char *fmt, ...);
 345 char *xstrchr(const char *s, int c);
 346 char *xstrrchr(const char *s, int c);
 347 char *xmemchr(const char *s, int c, size_t n);
 348 char *xmemrchr(const char *s, int c, size_t n);
 349
 350 /* from vsnprintf.c */
 351 #if !HAVE_VSNPRINTF
 352 int vsnprintf(char *str, size_t n, const char *fmt, va_list ap);
 353 int snprintf(char *str, size_t n, char const *fmt, ...);
 354 #endif
 355
 356 /* Local Variables: */
 357 /* mode:c */
 358 /* tab-width:4 */
 359 /* End: */
 360 /* vi: set tabstop=4: */