src/lharc.c

   1 /* ------------------------------------------------------------------------ */
   2 /* LHa for UNIX                                                                                                                         */
   3 /*                              lharc.c -- append to archive                                                            */
   4 /*                                                                                                                                                      */
   5 /*              Copyright (C) MCMLXXXIX Yooichi.Tagawa                                                          */
   6 /*              Modified                        Nobutaka Watazaki                                                       */
   7 /*                                                      Thanks to H.Yoshizaki. (MS-DOS LHarc)                   */
   8 /*                                                                                                                                                      */
   9 /*  Ver. 0.00  Original                                                 1988.05.23  Y.Tagawa            */
  10 /*  Ver. 0.01  Alpha Version (for 4.2BSD)               1989.05.28  Y.Tagawa            */
  11 /*  Ver. 0.02  Alpha Version Rel.2                              1989.05.29  Y.Tagawa            */
  12 /*  Ver. 0.03  Release #3  Beta Version                 1989.07.02  Y.Tagawa            */
  13 /*  Ver. 0.03a Debug                                                    1989.07.03  Y.Tagawa            */
  14 /*  Ver. 0.03b Modified                                                 1989.07.13  Y.Tagawa            */
  15 /*  Ver. 0.03c Debug (Thanks to void@rena.dit.junet)                                            */
  16 /*                                                                                              1989.08.09  Y.Tagawa            */
  17 /*  Ver. 0.03d Modified (quiet and verbose)             1989.09.14  Y.Tagawa            */
  18 /*  V1.00  Fixed                                                                1989.09.22  Y.Tagawa            */
  19 /*  V1.01  Bug Fixed                                                    1989.12.25  Y.Tagawa            */
  20 /*                                                                                                                                                      */
  21 /*  DOS-Version Original LHx V C2.01            (C) H.Yohizaki                                  */
  22 /*                                                                                                                                                      */
  23 /*  V2.00  UNIX Lharc + DOS LHx -> OSK LHx              1990.11.01  Momozou                     */
  24 /*  V2.01  Minor Modified                                               1990.11.24  Momozou                     */
  25 /*                                                                                                                                                      */
  26 /*  Ver. 0.02  LHx for UNIX                                             1991.11.18  M.Oki                       */
  27 /*  Ver. 0.03  LHa for UNIX                                             1991.12.17  M.Oki                       */
  28 /*  Ver. 0.04  LHa for UNIX     beta version            1992.01.20  M.Oki                       */
  29 /*  Ver. 1.00  LHa for UNIX     Fixed                           1992.03.19  M.Oki                       */
  30 /*                                                                                                                                                      */
  31 /*  Ver. 1.10  for Symblic Link                                 1993.06.25  N.Watazaki          */
  32 /*  Ver. 1.11  for Symblic Link Bug Fixed               1993.08.18  N.Watazaki          */
  33 /*  Ver. 1.12  for File Date Check                              1993.10.28  N.Watazaki          */
  34 /*  Ver. 1.13  Bug Fixed (Idicator calcurate)   1994.02.21  N.Watazaki          */
  35 /*  Ver. 1.13a Bug Fixed (Sym. Link delete)             1994.03.11  N.Watazaki          */
  36 /*      Ver. 1.13b Bug Fixed (Sym. Link delete)         1994.07.29  N.Watazaki          */
  37 /*      Ver. 1.14  Source All chagned                           1995.01.14      N.Watazaki              */
  38 /*      Ver. 1.14b,c  Bug Fixed                     1996.03.07  t.okamoto               */
  39 /*  Ver. 1.14d Version up                       1997.01.12  t.okamoto       */
  40 /*  Ver. 1.14g Bug Fixed                        2000.05.06  t.okamoto       */
  41 /*  Ver. 1.14i Modified                         2000.10.06  t.okamoto       */
  42 /* ------------------------------------------------------------------------ */
  43 #define LHA_MAIN_SRC
  44
  45 #include "lha.h"
  46
  47 /* ------------------------------------------------------------------------ */
  48 /*                                                              PROGRAM                                                                         */
  49 /* ------------------------------------------------------------------------ */
  50 static int      cmd = CMD_UNKNOWN;
  51
  52 /* 1996.8.13 t.okamoto */
  53 #if 0
  54 char          **cmd_filev;
  55 int             cmd_filec;
  56
  57 char           *archive_name;
  58 char            expanded_archive_name[FILENAME_LENGTH];
  59 char            temporary_name[FILENAME_LENGTH];
  60 char            backup_archive_name[FILENAME_LENGTH];
  61 #endif
  62
  63 /* static functions */
  64 static void     sort_files();
  65 static void             print_version();
  66
  67 char                *extract_directory = NULL;
  68 char              **xfilev;
  69 int             xfilec = 257;
  70
  71 /* 1996.8.13 t.okamoto */
  72 #if 0
  73 char           *writting_filename;
  74 char           *reading_filename;
  75
  76 int             archive_file_mode;
  77 int             archive_file_gid;
  78 #endif
  79 /* ------------------------------------------------------------------------ */
  80 static void
  81 init_variable()         /* Added N.Watazaki */
  82 {
  83 /* options */
  84         quiet                   = FALSE;
  85         text_mode               = FALSE;
  86         verbose                 = FALSE;
  87         noexec                  = FALSE;        /* debugging option */
  88         force                   = FALSE;
  89         prof                    = FALSE;
  90 #ifndef SUPPORT_LH7
  91         compress_method = LZHUFF5_METHOD_NUM;
  92 #endif
  93 #ifdef SUPPORT_LH7
  94         compress_method = LZHUFF7_METHOD_NUM;
  95 #endif
  96
  97         compress_method = DEFAULT_LZHUFF_METHOD;
  98
  99         header_level    = HEADER_LEVEL1;
 100         quiet_mode              = 0;
 101
 102 #ifdef EUC
 103         euc_mode                = FALSE;
 104 #endif
 105
 106 /* view command flags */
 107         verbose_listing = FALSE;
 108
 109 /* extract command flags */
 110         output_to_stdout = FALSE;
 111
 112 /* append command flags */
 113         new_archive                     = FALSE;
 114         update_if_newer         = FALSE;
 115         delete_after_append = FALSE;
 116         generic_format          = FALSE;
 117
 118         remove_temporary_at_error                               = FALSE;
 119         recover_archive_when_interrupt                  = FALSE;
 120         remove_extracting_file_when_interrupt   = FALSE;
 121         get_filename_from_stdin                                 = FALSE;
 122         ignore_directory                                                = FALSE;
 123         verify_mode                                                             = FALSE;
 124
 125         noconvertcase                                                   = FALSE;
 126
 127         extract_directory = NULL;
 128         xfilec = 257;
 129 }
 130
 131 /* ------------------------------------------------------------------------ */
 132 /* NOTES :                      Text File Format                                                                                */
 133 /* GENERATOR            NewLine                                                                                                 */
 134 /* [generic]            0D 0A                                                                                                   */
 135 /* [MS-DOS]                     0D 0A                                                                                                   */
 136 /* [OS9][MacOS]         0D                                                                                                              */
 137 /* [UNIX]                       0A                                                                                                              */
 138 /* ------------------------------------------------------------------------ */
 139 static void
 140 print_tiny_usage_and_exit()
 141 {
 142         fprintf(stderr, "\
 143 LHarc    for UNIX  V 1.02  Copyright(C) 1989  Y.Tagawa\n\
 144 LHx      for MSDOS V C2.01 Copyright(C) 1990  H.Yoshizaki\n\
 145 LHx(arc) for OSK   V 2.01  Modified     1990  Momozou\n\
 146 LHa      for UNIX  V 1.00  Copyright(C) 1992  Masaru Oki\n\
 147 LHa      for UNIX  V 1.14  Modified     1995  Nobutaka Watazaki\n\
 148 LHa      for UNIX  V 1.14i Modified     2000  Tsugio Okamoto\n\
 149 ");
 150         fprintf(stderr, "\
 151 usage: lha [-]{axelvudmcp[q[num]][vnfodizg012]}[w=<dir>] archive_file [file...]\n\
 152 commands:                           options:\n\
 153  a   Add(or replace) to archive      q{num} quiet (num:quiet mode)\n\
 154  x,e EXtract from archive            v  verbose\n\
 155  l,v List / Verbose List             n  not execute\n\
 156  u   Update newer files to archive   f  force (over write at extract)\n\
 157  d   Delete from archive             t  FILES are TEXT file\n");
 158 #ifdef SUPPORT_LH7
 159         fprintf(stderr, "\
 160  m   Move to archive (means 'ad')    o[567] compression method (a/u)\n\
 161 ");
 162 #endif
 163 #ifndef SUPPORT_LH7
 164         fprintf(stderr, "\
 165  m   Move to archive (means 'ad')    o  use LHarc compatible method (a/u)\n\
 166 ");
 167 #endif
 168         fprintf(stderr, "\
 169  c   re-Construct new archive        w=<dir> specify extract directory (a/u/m/x/e)\n\
 170  p   Print to STDOUT from archive    d  delete FILES after (a/u/c)\n\
 171  t   Test file CRC in archive        i  ignore directory path (x/e)\n\
 172                                      z  files not compress (a/u)\n\
 173                                      g  Generic format (for compatibility)\n\
 174                                         or not convert case when extracting\n\
 175                                      0/1/2 header level (a/u)\n\
 176 ");
 177 #ifdef EUC
 178         fprintf(stderr, "\
 179                                      e  TEXT code convert from/to EUC\n\
 180 ");
 181 #endif
 182         exit(1);
 183 }
 184
 185 /* ------------------------------------------------------------------------ */
 186 int
 187 main(argc, argv)
 188         int             argc;
 189         char           *argv[];
 190 {
 191         char           *p, inpbuf[256];
 192
 193         int i;
 194         int  ac;
 195         char **av, *m;
 196
 197         init_variable();                /* Added N.Watazaki */
 198
 199         ac = argc;
 200         av = (char **)xmalloc( sizeof(char*)*argc );
 201         for (i=0; i<argc; i++) {
 202         av[i] = xstrdup( argv[i] );
 203         }
 204
 205         if (ac < 2)
 206                 print_tiny_usage_and_exit();
 207
 208         if (strcmp(av[1], "--version") == 0) {
 209                 print_version();
 210                 exit(1);
 211         }
 212
 213         if (ac < 3) {
 214                 cmd = CMD_LIST;
 215                 av--; /* argv--; */ /* 1999.7.18 */
 216                 ac++; /* argc++; */
 217                 goto work;
 218         }
 219
 220         m = av[1];
 221
 222         if (m[0] == '-')
 223                 m++;
 224         /* commands */
 225         switch (*m) {
 226         case 'x':
 227         case 'e':
 228                 cmd = CMD_EXTRACT;
 229                 break;
 230
 231         case 'p':
 232                 output_to_stdout = TRUE;
 233                 cmd = CMD_EXTRACT;
 234                 break;
 235
 236         case 'c':
 237                 new_archive = TRUE;
 238                 cmd = CMD_ADD;
 239                 break;
 240
 241         case 'a':
 242                 cmd = CMD_ADD;
 243                 break;
 244
 245         case 'd':
 246                 cmd = CMD_DELETE;
 247                 break;
 248
 249         case 'u':
 250                 update_if_newer = TRUE;
 251                 cmd = CMD_ADD;
 252                 break;
 253
 254         case 'm':
 255                 delete_after_append = TRUE;
 256                 cmd = CMD_ADD;
 257                 break;
 258
 259         case 'v':
 260                 verbose_listing = TRUE;
 261                 cmd = CMD_LIST;
 262                 break;
 263
 264         case 'l':
 265                 cmd = CMD_LIST;
 266                 break;
 267
 268         case 't':
 269                 cmd = CMD_EXTRACT;
 270                 verify_mode = TRUE;
 271                 break;
 272
 273         default:
 274                 print_tiny_usage_and_exit();
 275
 276         }
 277
 278         /* options */
 279         /* p = &argv[1][1]; */
 280         p = m+1;
 281         while ( *p != 0 ) {
 282                 switch ((*p++)) {
 283                 case 'q':
 284                         switch (*p) {
 285                         case '0':
 286                         case '1':
 287                                 quiet_mode = *p - '0';
 288                                 ++p;
 289                                 break;
 290                         case '2':
 291                         default:
 292                                 quiet = TRUE;
 293                                 break;
 294                         }
 295                 case 'f':
 296                         force = TRUE;
 297                         break;
 298                 case 'p':
 299                         prof = TRUE;
 300                         break;
 301                 case 'v':
 302                         verbose = TRUE;
 303                         break;
 304                 case 't':
 305                         text_mode = TRUE;
 306                         break;
 307 #ifdef EUC
 308                 case 'e':
 309                         text_mode = TRUE;
 310                         euc_mode = TRUE;
 311                         break;
 312 #endif
 313                 case 'n':
 314                         noexec = TRUE;
 315                         break;
 316                 case 'g':
 317                         generic_format = TRUE;
 318                         noconvertcase = TRUE;
 319                         header_level = 0;
 320                         break;
 321                 case 'd':
 322                         delete_after_append = TRUE;
 323                         break;
 324                 case 'o':
 325                         switch (*p) {
 326                         case 0:
 327                                 compress_method = LZHUFF1_METHOD_NUM;
 328                                 header_level = 0;
 329                                 break;
 330                         case '5':
 331                                 compress_method = LZHUFF5_METHOD_NUM;
 332                                 p++;
 333                                 break;
 334 #ifdef SUPPORT_LH7
 335                         case '6':
 336                                 compress_method = LZHUFF6_METHOD_NUM;
 337                                 p++;
 338                                 break;
 339                         case '7':
 340                                 compress_method = LZHUFF7_METHOD_NUM;
 341                                 p++;
 342                                 break;
 343 #endif
 344                         default:
 345                                 fprintf(stderr, "LHa: error option o%c\n", p[-1]);
 346                                 exit(1);
 347                         }
 348                         break;
 349                 case 'z':
 350                         compress_method = LZHUFF0_METHOD_NUM;   /* Changed N.Watazaki */
 351                         break;
 352                 case 'i':
 353                         ignore_directory = TRUE;
 354                         break;
 355                 case 'w':
 356                         if (*p == '=')
 357                                 p++;
 358                         extract_directory = p;
 359                         while (*p)
 360                                 p++;
 361                         break;
 362                 case '0':
 363                         header_level = HEADER_LEVEL0;
 364                         break;
 365                 case '1':
 366                         header_level = HEADER_LEVEL1;
 367                         break;
 368                 case '2':
 369                         header_level = HEADER_LEVEL2;
 370                         break;
 371                 default:
 372                         fprintf(stderr, "LHa: Unknown option '%c'.\n", p[-1]);
 373                         exit(1);
 374                 }
 375         }
 376
 377 work:
 378         /* archive file name */
 379         archive_name = av[2];
 380
 381         if (!strcmp(archive_name, "-")) {
 382                 if (!isatty(1) && cmd == CMD_ADD)
 383                         quiet = TRUE;
 384         }
 385         else {
 386                 if (ac == 3 && !isatty(0)) { /* 1999.7.18 */
 387                         get_filename_from_stdin = TRUE;
 388                 }
 389         }
 390
 391         /* target file name */
 392         if (get_filename_from_stdin) {
 393                 cmd_filec = 0;
 394                 xfilev = (char **)xmalloc(sizeof(char *) * xfilec);
 395                 while (fgets(inpbuf, sizeof(inpbuf), stdin)) {
 396                     /* delete \n if it exist */
 397                         i=0; p=inpbuf;
 398                         while (i < sizeof(inpbuf) && p != 0) {
 399                             if (*p == '\n') {
 400                                     *p = 0;
 401                                         break;
 402                                 }
 403                                 p++; i++;
 404                         }
 405
 406                         if (cmd_filec >= xfilec) {
 407                                 xfilec += 256;
 408                                 cmd_filev = (char **) realloc(xfilev,
 409                                                    sizeof(char *) * xfilec);
 410                                 if (cmd_filev == NULL)
 411                                         fatal_error("Virtual memory exhausted\n");
 412                                 xfilev = cmd_filev;
 413                         }
 414                         if (strlen(inpbuf) < 1)
 415                                 continue;
 416                         xfilev[cmd_filec++] = xstrdup(inpbuf);
 417                 }
 418                 xfilev[cmd_filec] = NULL;
 419                 cmd_filev = xfilev;
 420         } else {
 421                 cmd_filec = ac - 3;
 422                 cmd_filev = av + 3;
 423         }
 424         sort_files();
 425
 426         /* make crc table */
 427         make_crctable();
 428
 429         switch (cmd) {
 430         case CMD_EXTRACT:
 431                 cmd_extract();
 432                 break;
 433         case CMD_ADD:
 434                 cmd_add();
 435                 break;
 436         case CMD_LIST:
 437                 cmd_list();
 438                 break;
 439         case CMD_DELETE:
 440                 cmd_delete();
 441                 break;
 442         }
 443
 444 #ifdef USE_PROF
 445         if (!prof)
 446                 exit(0);
 447 #endif
 448
 449         return 0;
 450 }
 451
 452
 453 /* ------------------------------------------------------------------------ */
 454 /* */
 455 /* ------------------------------------------------------------------------ */
 456
 457 /* ------------------------------------------------------------------------ */
 458 static void
 459 print_version()
 460 {
 461         fprintf(stderr, "%s\n", LHA_VERSION);
 462 }
 463
 464 /* ------------------------------------------------------------------------ */
 465 static void
 466 message_1(title, subject, name)
 467         char           *title, *subject, *name;
 468 {
 469         fprintf(stderr, "LHa: %s%s ", title, subject);
 470         fflush(stderr);
 471
 472         if (errno == 0)
 473                 fprintf(stderr, "%s\n", name);
 474         else
 475                 perror(name);
 476 }
 477
 478 /* ------------------------------------------------------------------------ */
 479 void
 480 message(subject, name)
 481         char           *subject, *name;
 482 {
 483         message_1("", subject, name);
 484 }
 485
 486 /* ------------------------------------------------------------------------ */
 487 void
 488 warning(subject, name)
 489         char           *subject, *name;
 490 {
 491         message_1("Warning: ", subject, name);
 492 }
 493
 494 /* ------------------------------------------------------------------------ */
 495 void
 496 error(subject, msg)
 497         char           *subject, *msg;
 498 {
 499         message_1("Error: ", subject, msg);
 500 }
 501
 502 /* ------------------------------------------------------------------------ */
 503 void
 504 fatal_error(msg)
 505         char           *msg;
 506 {
 507         message_1("Fatal error:", "", msg);
 508
 509         if (remove_temporary_at_error)
 510                 unlink(temporary_name);
 511
 512         exit(1);
 513 }
 514
 515 /* ------------------------------------------------------------------------ */
 516 void
 517 write_error()
 518 {
 519         fatal_error(writting_filename);
 520 }
 521
 522 /* ------------------------------------------------------------------------ */
 523 void
 524 read_error()
 525 {
 526         fatal_error(reading_filename);
 527 }
 528
 529 /* ------------------------------------------------------------------------ */
 530 void
 531 interrupt(signo)
 532         int             signo;
 533 {
 534         errno = 0;
 535         message("Interrupted\n", "");
 536
 537         if (temporary_fp)
 538                 fclose(temporary_fp);
 539         unlink(temporary_name);
 540         if (recover_archive_when_interrupt)
 541                 rename(backup_archive_name, archive_name);
 542         if (remove_extracting_file_when_interrupt) {
 543                 errno = 0;
 544                 message("Removing", writting_filename);
 545                 unlink(writting_filename);
 546         }
 547         signal(SIGINT, SIG_DFL);
 548 #ifdef SIGHUP
 549         signal(SIGHUP, SIG_DFL);
 550 #endif
 551         kill(getpid(), signo);
 552 }
 553
 554 /* ------------------------------------------------------------------------ */
 555 /*                                                                                                                                                      */
 556 /* ------------------------------------------------------------------------ */
 557 static int
 558 sort_by_ascii(a, b)
 559         char          **a, **b;
 560 {
 561         register char  *p, *q;
 562         register int    c1, c2;
 563
 564         p = *a, q = *b;
 565         if (generic_format) {
 566                 do {
 567                         c1 = *(unsigned char *) p++;
 568                         c2 = *(unsigned char *) q++;
 569                         if (!c1 || !c2)
 570                                 break;
 571                         if (islower(c1))
 572                                 c1 = toupper(c1);
 573                         if (islower(c2))
 574                                 c2 = toupper(c2);
 575                 }
 576                 while (c1 == c2);
 577                 return c1 - c2;
 578         }
 579         else {
 580                 while (*p == *q && *p != '\0')
 581                         p++, q++;
 582                 return *(unsigned char *) p - *(unsigned char *) q;
 583         }
 584 }
 585
 586 /* ------------------------------------------------------------------------ */
 587 static void
 588 sort_files()
 589 {
 590         if (cmd_filec > 1)
 591                 qsort(cmd_filev, cmd_filec, sizeof(char *), sort_by_ascii);
 592 }
 593
 594 /* ------------------------------------------------------------------------ */
 595 char           *
 596 xmalloc(size)
 597         int             size;
 598 {
 599         char           *p = (char *) malloc(size);
 600         if (!p)
 601                 fatal_error("Not enough memory");
 602         return p;
 603 }
 604
 605 /* ------------------------------------------------------------------------ */
 606 char           *
 607 xrealloc(old, size)
 608         char           *old;
 609         int             size;
 610 {
 611         char           *p = (char *) realloc(old, size);
 612         if (!p)
 613                 fatal_error("Not enough memory");
 614         return p;
 615 }
 616
 617 char *
 618 xstrdup(str)
 619         char *str;
 620 {
 621     int len = strlen(str);
 622         char *p = (char *)xmalloc(str + 1);
 623         if (!p)
 624                 fatal_error("Not enough memory");
 625     strcpy(p, str);
 626         return p;
 627 }
 628
 629 /* ------------------------------------------------------------------------ */
 630 /*                                                              STRING POOL                                                                     */
 631 /* ------------------------------------------------------------------------ */
 632 /*
 633   string pool :
 634         +-------------+-------------+------+-------------+----------+
 635         | N A M E 1 \0| N A M E 2 \0| .... | N A M E n \0|                      |
 636         +-------------+-------------+------+-------------+----------+
 637           ^ ^            ^ buffer+0 buffer+used buffer+size
 638
 639   vector :
 640         +---------------+---------------+------------- -----------------+
 641         | pointer to    | pointer to    | pointer to   ...  pointer to  |
 642         |  stringpool   |  N A M E 1    |  N A M E 2   ...   N A M E n  |
 643         +---------------+---------------+-------------     -------------+
 644         ^ malloc base      returned
 645 */
 646
 647 /* ------------------------------------------------------------------------ */
 648 void
 649 init_sp(sp)
 650         struct string_pool *sp;
 651 {
 652         sp->size = 1024 - 8;    /* any ( >=0 ) */
 653         sp->used = 0;
 654         sp->n = 0;
 655         sp->buffer = (char *) xmalloc(sp->size * sizeof(char));
 656 }
 657
 658 /* ------------------------------------------------------------------------ */
 659 void
 660 add_sp(sp, name, len)
 661         struct string_pool *sp;
 662         char           *name;   /* stored '\0' at tail */
 663         int             len;    /* include '\0' */
 664 {
 665         while (sp->used + len > sp->size) {
 666                 sp->size *= 2;
 667                 sp->buffer = (char *) xrealloc(sp->buffer, sp->size * sizeof(char));
 668         }
 669         bcopy(name, sp->buffer + sp->used, len);
 670         sp->used += len;
 671         sp->n++;
 672 }
 673
 674 /* ------------------------------------------------------------------------ */
 675 void
 676 finish_sp(sp, v_count, v_vector)
 677         register struct string_pool *sp;
 678         int            *v_count;
 679         char         ***v_vector;
 680 {
 681         int             i;
 682         register char  *p;
 683         char          **v;
 684
 685         v = (char **) xmalloc((sp->n + 1) * sizeof(char *));
 686         *v++ = sp->buffer;
 687         *v_vector = v;
 688         *v_count = sp->n;
 689         p = sp->buffer;
 690         for (i = sp->n; i; i--) {
 691                 *v++ = p;
 692                 if (i - 1)
 693                         p += strlen(p) + 1;
 694         }
 695 }
 696
 697 /* ------------------------------------------------------------------------ */
 698 void
 699 free_sp(vector)
 700         char          **vector;
 701 {
 702         vector--;
 703         free(*vector);          /* free string pool */
 704         free(vector);
 705 }
 706
 707
 708 /* ------------------------------------------------------------------------ */
 709 /*                                                      READ DIRECTORY FILES                                                    */
 710 /* ------------------------------------------------------------------------ */
 711 static          boolean
 712 include_path_p(path, name)
 713         char           *path, *name;
 714 {
 715         char           *n = name;
 716         while (*path)
 717                 if (*path++ != *n++)
 718                         return (path[-1] == '/' && *n == '\0');
 719         return (*n == '/' || (n != name && path[-1] == '/' && n[-1] == '/'));
 720 }
 721
 722 /* ------------------------------------------------------------------------ */
 723 void
 724 cleaning_files(v_filec, v_filev)
 725         int            *v_filec;
 726         char         ***v_filev;
 727 {
 728         char           *flags;
 729         struct stat     stbuf;
 730
 731         register char **filev = *v_filev;
 732         register int    filec = *v_filec;
 733         register char  *p;
 734         register int    i, j;
 735
 736         if (filec == 0)
 737                 return;
 738
 739         flags = xmalloc(filec * sizeof(char));
 740
 741         /* flags & 0x01 :       1: ignore */
 742         /* flags & 0x02 :       1: directory, 0 : regular file */
 743         /* flags & 0x04 :       1: need delete */
 744
 745
 746         for (i = 0; i < filec; i++)
 747                 if (GETSTAT(filev[i], &stbuf) < 0) {
 748                         flags[i] = 0x04;
 749                         fprintf(stderr,
 750                          "LHa: Cannot access \"%s\", ignored.\n", filev[i]);
 751                 }
 752                 else {
 753                         if (is_regularfile(&stbuf))
 754                                 flags[i] = 0x00;
 755                         else if (is_directory(&stbuf))
 756                                 flags[i] = 0x02;
 757 #ifdef S_IFLNK
 758                         else if (is_symlink(&stbuf)) /* t.okamoto */
 759                                 flags[i] = 0x00;
 760 #endif
 761                         else {
 762                                 flags[i] = 0x04;
 763                                 fprintf(stderr,
 764                                         "LHa: Cannot archive \"%s\", ignored.\n", filev[i]);
 765                         }
 766                 }
 767         errno = 0;
 768
 769         for (i = 0; i < filec; i++) {
 770                 p = filev[i];
 771                 if ((flags[i] & 0x07) == 0x00) {        /* regular file, not
 772                                                          * deleted/ignored */
 773                         for (j = i + 1; j < filec; j++) {
 774                                 if ((flags[j] & 0x07) == 0x00) {        /* regular file, not
 775                                                                          * deleted/ignored */
 776                                         if (STREQU(p, filev[j]))
 777                                                 flags[j] = 0x04;        /* delete */
 778                                 }
 779                         }
 780                 }
 781                 else if ((flags[i] & 0x07) == 0x02) {   /* directory, not
 782                                                          * deleted/ignored */
 783                         for (j = i + 1; j < filec; j++) {
 784                                 if ((flags[j] & 0x07) == 0x00) {        /* regular file, not
 785                                                                          * deleted/ignored */
 786                                         if (include_path_p(p, filev[j]))
 787                                                 flags[j] = 0x04;        /* delete */
 788                                 }
 789                                 else if ((flags[j] & 0x07) == 0x02) {   /* directory, not
 790                                                                          * deleted/ignored */
 791                                         if (include_path_p(p, filev[j]))
 792                                                 flags[j] = 0x04;        /* delete */
 793                                 }
 794                         }
 795                 }
 796         }
 797
 798         for (i = j = 0; i < filec; i++) {
 799                 if ((flags[i] & 0x04) == 0) {
 800                         if (i != j)
 801                                 filev[j] = filev[i];
 802                         j++;
 803                 }
 804         }
 805         *v_filec = j;
 806
 807         free(flags);
 808 }
 809
 810 /* ------------------------------------------------------------------------ */
 811 #ifdef NODIRECTORY
 812 /* please need your imprementation */
 813 boolean
 814 find_files(name, v_filec, v_filev)
 815         char           *name;
 816         int            *v_filec;
 817         char         ***v_filev;
 818 {
 819         return FALSE;           /* DUMMY */
 820 }
 821
 822 /* ------------------------------------------------------------------------ */
 823 void
 824 free_files(filec, filev)
 825         int             filec;
 826         char          **filev;
 827 {
 828         /* do nothing */
 829 }
 830 /* ------------------------------------------------------------------------ */
 831 #else
 832 boolean
 833 find_files(name, v_filec, v_filev)
 834         char           *name;
 835         int            *v_filec;
 836         char         ***v_filev;
 837 {
 838         struct string_pool sp;
 839         char            newname[FILENAME_LENGTH];
 840         int             len, n;
 841         DIR            *dirp;
 842         DIRENTRY       *dp;
 843         struct stat     tmp_stbuf, arc_stbuf, fil_stbuf;
 844
 845         strcpy(newname, name);
 846         len = strlen(name);
 847         if (len > 0 && newname[len - 1] != '/')
 848                 newname[len++] = '/';
 849
 850         dirp = opendir(name);
 851         if (!dirp)
 852                 return FALSE;
 853
 854         init_sp(&sp);
 855
 856         GETSTAT(temporary_name, &tmp_stbuf);
 857         GETSTAT(archive_name, &arc_stbuf);
 858
 859         for (dp = readdir(dirp); dp != NULL; dp = readdir(dirp)) {
 860                 n = NAMLEN(dp);
 861                 strncpy(newname + len, dp->d_name, n);
 862                 newname[len + n] = '\0';
 863                 if (GETSTAT(newname, &fil_stbuf) < 0)
 864                         continue;
 865 #ifndef HAVE_ST_INO
 866                 if ( dp->d_name[0] != '.' ||
 867                         (n != 1 &&
 868                          (dp->d_name[1] != '.' ||
 869                           n != 2))  ) {
 870                         add_sp(&sp, newname, len+n+1);
 871                 }
 872 #else
 873                 if ((dp->d_ino != 0) &&
 874                 /* exclude '.' and '..' */
 875                     ((dp->d_name[0] != '.') ||
 876                      ((n != 1) &&
 877                       ((dp->d_name[1] != '.') ||
 878                        (n != 2)))) &&
 879                     ((tmp_stbuf.st_dev != fil_stbuf.st_dev ||
 880                       tmp_stbuf.st_ino != fil_stbuf.st_ino) &&
 881                      (arc_stbuf.st_dev != fil_stbuf.st_dev ||
 882                       arc_stbuf.st_ino != fil_stbuf.st_ino))) {
 883                         add_sp(&sp, newname, len + n + 1);
 884                 }
 885 #endif
 886         }
 887         closedir(dirp);
 888         finish_sp(&sp, v_filec, v_filev);
 889         if (*v_filec > 1)
 890                 qsort(*v_filev, *v_filec, sizeof(char *), sort_by_ascii);
 891         cleaning_files(v_filec, v_filev);
 892
 893         return TRUE;
 894 }
 895
 896 /* ------------------------------------------------------------------------ */
 897 void
 898 free_files(filec, filev)
 899         int             filec;
 900         char          **filev;
 901 {
 902         free_sp(filev);
 903 }
 904 #endif
 905 /* ------------------------------------------------------------------------ */
 906 /*                                                                                                                                                      */
 907 /* ------------------------------------------------------------------------ */
 908 /* Build temporary file name and store to TEMPORARY_NAME */
 909 void
 910 build_temporary_name()
 911 {
 912 #ifdef TMP_FILENAME_TEMPLATE
 913         /* "/tmp/lhXXXXXX" etc. */
 914         if (extract_directory == NULL) {
 915                 strcpy(temporary_name, TMP_FILENAME_TEMPLATE);
 916         }
 917         else {
 918                 sprintf(temporary_name, "%s/lhXXXXXX", extract_directory);
 919         }
 920 #ifdef HAVE_MKSTEMP
 921         mkstemp(temporary_name);
 922 #else
 923         mktemp(temporary_name);
 924 #endif
 925 #else
 926         char           *p, *s;
 927
 928         strcpy(temporary_name, archive_name);
 929         for (p = temporary_name, s = (char *) 0; *p; p++)
 930                 if (*p == '/')
 931                         s = p;
 932         strcpy((s ? s + 1 : temporary_name), "lhXXXXXX");
 933 #ifdef HAVE_MKSTEMP
 934         mkstemp(temporary_name);
 935 #else
 936         mktemp(temporary_name);
 937 #endif
 938 #endif
 939 }
 940
 941 /* ------------------------------------------------------------------------ */
 942 static void
 943 modify_filename_extention(buffer, ext)
 944         char           *buffer;
 945         char           *ext;
 946 {
 947         register char  *p, *dot;
 948
 949         for (p = buffer, dot = (char *) 0; *p; p++) {
 950                 if (*p == '.')
 951                         dot = p;
 952                 else if (*p == '/')
 953                         dot = (char *) 0;
 954         }
 955
 956         if (dot)
 957                 p = dot;
 958
 959         strcpy(p, ext);
 960 }
 961
 962 /* ------------------------------------------------------------------------ */
 963 /* build backup file name */
 964 void
 965 build_backup_name(buffer, original)
 966         char           *buffer;
 967         char           *original;
 968 {
 969         strcpy(buffer, original);
 970         modify_filename_extention(buffer, BACKUPNAME_EXTENTION);        /* ".bak" */
 971 }
 972
 973 /* ------------------------------------------------------------------------ */
 974 void
 975 build_standard_archive_name(buffer, orginal)
 976         char           *buffer;
 977         char           *orginal;
 978 {
 979         strcpy(buffer, orginal);
 980         modify_filename_extention(buffer, ARCHIVENAME_EXTENTION);       /* ".lzh" */
 981 }
 982
 983 /* ------------------------------------------------------------------------ */
 984 /*                                                                                                                                                      */
 985 /* ------------------------------------------------------------------------ */
 986 boolean
 987 need_file(name)
 988         char           *name;
 989 {
 990         int             i;
 991
 992         if (cmd_filec == 0)
 993                 return TRUE;
 994
 995         for (i = 0; i < cmd_filec; i++) {
 996                 if (patmatch(cmd_filev[i], name, 0))
 997                         return TRUE;
 998         }
 999
1000         return FALSE;
1001 }
1002
1003 FILE           *
1004 xfopen(name, mode)
1005         char           *name, *mode;
1006 {
1007         FILE           *fp;
1008
1009         if ((fp = fopen(name, mode)) == NULL)
1010                 fatal_error(name);
1011
1012         return fp;
1013 }
1014
1015 /* ------------------------------------------------------------------------ */
1016 /*                                                                                                                                                      */
1017 /* ------------------------------------------------------------------------ */
1018 static          boolean
1019 open_old_archive_1(name, v_fp)
1020         char           *name;
1021         FILE          **v_fp;
1022 {
1023         FILE           *fp;
1024         struct stat     stbuf;
1025
1026         if (stat(name, &stbuf) >= 0 &&
1027             is_regularfile(&stbuf) &&
1028             (fp = fopen(name, READ_BINARY)) != NULL) {
1029                 *v_fp = fp;
1030                 archive_file_gid = stbuf.st_gid;
1031                 archive_file_mode = stbuf.st_mode;
1032                 return TRUE;
1033         }
1034
1035         *v_fp = NULL;
1036         archive_file_gid = -1;
1037         return FALSE;
1038 }
1039
1040 /* ------------------------------------------------------------------------ */
1041 FILE           *
1042 open_old_archive()
1043 {
1044         FILE           *fp;
1045         char           *p;
1046
1047         if (!strcmp(archive_name, "-")) {
1048                 if (cmd == CMD_EXTRACT || cmd == CMD_LIST)
1049                         return stdin;
1050                 else
1051                         return NULL;
1052         }
1053         if (p = (char *) strrchr(archive_name, '.')) {
1054                 if (strucmp(".LZH", p) == 0
1055                     || strucmp(".LZS", p) == 0
1056                     || strucmp(".COM", p) == 0  /* DOS SFX */
1057                     || strucmp(".EXE", p) == 0
1058                     || strucmp(".X", p) == 0    /* HUMAN SFX */
1059                     || strucmp(".BAK", p) == 0) {       /* for BackUp */
1060                         open_old_archive_1(archive_name, &fp);
1061                         return fp;
1062                 }
1063         }
1064
1065         if (open_old_archive_1(archive_name, &fp))
1066                 return fp;
1067         sprintf(expanded_archive_name, "%s.lzh", archive_name);
1068         if (open_old_archive_1(expanded_archive_name, &fp)) {
1069                 archive_name = expanded_archive_name;
1070                 return fp;
1071         }
1072         /*
1073          * if ( (errno&0xffff)!=E_PNNF ) { archive_name =
1074          * expanded_archive_name; return NULL; }
1075          */
1076         sprintf(expanded_archive_name, "%s.lzs", archive_name);
1077         if (open_old_archive_1(expanded_archive_name, &fp)) {
1078                 archive_name = expanded_archive_name;
1079                 return fp;
1080         }
1081         /*
1082          * if ( (errno&0xffff)!=E_PNNF ) { archive_name =
1083          * expanded_archive_name; return NULL; }
1084          */
1085         /*
1086          * sprintf( expanded_archive_name , "%s.lzh",archive_name);
1087          * archive_name = expanded_archive_name;
1088          */
1089         return NULL;
1090 }
1091
1092 /* ------------------------------------------------------------------------ */
1093 int
1094 inquire(msg, name, selective)
1095         char           *msg, *name, *selective;
1096 {
1097         char            buffer[1024];
1098         char           *p;
1099
1100         for (;;) {
1101                 fprintf(stderr, "%s %s ", name, msg);
1102                 fflush(stderr);
1103
1104                 fgets(buffer, 1024, stdin);
1105
1106                 for (p = selective; *p; p++)
1107                         if (buffer[0] == *p)
1108                                 return p - selective;
1109         }
1110         /* NOTREACHED */
1111 }
1112
1113 /* ------------------------------------------------------------------------ */
1114 void
1115 write_archive_tail(nafp)
1116         FILE           *nafp;
1117 {
1118         putc(0x00, nafp);
1119 }
1120
1121 /* ------------------------------------------------------------------------ */
1122 void
1123 copy_old_one(oafp, nafp, hdr)
1124         FILE           *oafp, *nafp;
1125         LzHeader       *hdr;
1126 {
1127         if (noexec) {
1128                 fseek(oafp, (long) (hdr->header_size + 2) + hdr->packed_size, SEEK_CUR);
1129         }
1130         else {
1131                 reading_filename = archive_name;
1132                 writting_filename = temporary_name;
1133                 if (hdr->header_level != 2) {
1134                         copyfile(oafp, nafp,
1135                                          (long) (hdr->header_size + 2) + hdr->packed_size, 0);
1136                 } else {
1137                         copyfile(oafp, nafp,
1138                                          (long) (hdr->header_size) + hdr->packed_size, 0);
1139                 }
1140         }
1141 }
1142
1143 /* Local Variables: */
1144 /* mode:c */
1145 /* tab-width:4 */
1146 /* compile-command:"gcc -c lharc.c" */
1147 /* End: */