mkisofs.c

刻录光盘的程序

#endif
	};
	break;
      case 'A':
	appid = optarg;
	if(strlen(appid) > 128) {
#ifdef	USE_LIBSCHILY
		comerrno(EX_BAD, "Application-id string too long\n");
#else
		fprintf(stderr, "Application-id string too long\n");
		exit(1);
#endif
	};
	break;
      case OPTION_BIBLIO:
	biblio = optarg;
	if(strlen(biblio) > 37) {
#ifdef	USE_LIBSCHILY
		comerrno(EX_BAD, "Bibliographic filename string too long\n");
#else
		fprintf(stderr, "Bibliographic filename string too long\n");
		exit(1);
#endif
	};
	break;
      case OPTION_COPYRIGHT:
	copyright = optarg;
	if(strlen(copyright) > 37) {
#ifdef	USE_LIBSCHILY
		comerrno(EX_BAD, "Copyright filename string too long\n");
#else
		fprintf(stderr, "Copyright filename string too long\n");
		exit(1);
#endif
	};
	break;
      case 'd':
	omit_period++;
	break;
      case 'D':
	RR_relocation_depth = 32767;
	break;
      case 'f':
	follow_links++;
	break;
      case 'l':
	full_iso9660_filenames++;
	break;
      case 'L':
        allow_leading_dots++;
        break;
     case OPTION_LOG_FILE:
	log_file = optarg;
	break;
      case 'M':
	merge_image = optarg;
	break;
      case 'N':
	omit_version_number++;
	break;
      case OPTION_NO_RR:
	no_rr++;
	break;
      case 'o':
	outfile = optarg;
	break;
      case OPTION_P_LIST:
	pathnames = optarg;
	break;
      case 'p':
	preparer = optarg;
	if(strlen(preparer) > 128) {
#ifdef	USE_LIBSCHILY
		comerrno(EX_BAD, "Preparer string too long\n");
#else
		fprintf(stderr, "Preparer string too long\n");
		exit(1);
#endif
	};
	break;
      case OPTION_PRINT_SIZE:
	print_size++;
	break;
      case 'P':
	publisher = optarg;
	if(strlen(publisher) > 128) {
#ifdef	USE_LIBSCHILY
		comerrno(EX_BAD, "Publisher string too long\n");
#else
		fprintf(stderr, "Publisher string too long\n");
		exit(1);
#endif
	};
	break;
      case OPTION_QUIET:
	verbose = 0;
	break;
      case 'R':
	use_RockRidge++;
	break;
      case 'r':
	rationalize++;
	use_RockRidge++;
	break;
      case OPTION_SPLIT_OUTPUT:
	split_output++;
	break;
      case OPTION_SYSID:
	system_id = optarg;
	if(strlen(system_id) > 32) {
#ifdef	USE_LIBSCHILY
		comerrno(EX_BAD, "System ID string too long\n");
#else
		fprintf(stderr, "System ID string too long\n");
		exit(1);
#endif
	};
	break;
      case OPTION_TRANS_TBL:
	trans_tbl = optarg;
	/* fall through */
      case 'T':
	generate_tables++;
	break; 
      case 'U': 
	allow_untranslated++; 
	omit_period++; 
	full_iso9660_filenames++; 
	allow_leading_dots++; 
	omit_version_number++; 
	break;
      case 'V':
	volume_id = optarg;
	if(strlen(volume_id) > 32) {
#ifdef	USE_LIBSCHILY
		comerrno(EX_BAD, "Volume ID string too long\n");
#else
		fprintf(stderr, "Volume ID string too long\n");
		exit(1);
#endif
	};
	break;
      case OPTION_VOLSET:
	volset_id = optarg;
	if(strlen(volset_id) > 128) {
#ifdef	USE_LIBSCHILY
		comerrno(EX_BAD, "Volume set ID string too long\n");
#else
		fprintf(stderr, "Volume set ID string too long\n");
		exit(1);
#endif
	};
	break;
      case OPTION_VOLSET_SIZE:
	volume_set_size = atoi(optarg);
	break;
      case OPTION_VOLSET_SEQ_NUM:
	volume_sequence_number = atoi(optarg);
	if (volume_sequence_number > volume_set_size) {
#ifdef	USE_LIBSCHILY
		comerrno(EX_BAD, "Volume set sequence number too big\n");
#else
		fprintf(stderr, "Volume set sequence number too big\n");
		exit(1);
#endif
	}
	break;
      case 'v':
	verbose++;
	break;
      case 'z':
#ifdef VMS
#ifdef	USE_LIBSCHILY
	comerrno(EX_BAD, "Transparent compression not supported with VMS\n");
#else
	fprintf(stderr, "Transparent compression not supported with VMS\n");
	exit(1);
#endif
#else
	transparent_compression++;
#endif
	break;
      case 'x':
      case 'm':
	/*
	 * Somehow two options to do basically the same thing got added somewhere along
	 * the way.  The 'match' code supports limited globbing, so this is the one
	 * that got selected.  Unfortunately the 'x' switch is probably more intuitive.
	 */
        add_match(optarg);
	break;
      case OPTION_X_LIST:
	add_list(optarg);
	break;
      case OPTION_I_HIDE:
	i_add_match(optarg);
	break;
      case OPTION_I_LIST:
	i_add_list(optarg);
	break;
      case OPTION_J_HIDE:
	j_add_match(optarg);
	break;
      case OPTION_J_LIST:
	j_add_list(optarg);
	break;
      case OPTION_HIDE_TRANS_TBL:
	jhide_trans_tbl++;
	break;
      case OPTION_HIDE_RR_MOVED:
	hide_rr_moved++;
	break;
      case OPTION_HELP:
	usage(0);
	break;
      case OPTION_PVERSION:
	printf("%s (%s-%s-%s)\n", version_string, HOST_CPU, HOST_VENDOR, HOST_OS);
	exit (0);
	break;
      case OPTION_NOSPLIT_SL_COMPONENT:
	split_SL_component = 0;
	break;
      case OPTION_NOSPLIT_SL_FIELD:
	split_SL_field = 0;
	break;
      case OPTION_HARD_DISK_BOOT:
	use_eltorito++;
	hard_disk_boot++;
	break;
      case OPTION_NO_EMUL_BOOT:
	use_eltorito++;
	no_emul_boot++;
	break;
      case OPTION_NO_BOOT:
	use_eltorito++;
	not_bootable++;
	break;
      case OPTION_BOOT_LOAD_ADDR:
	use_eltorito++;
	{
		long val;
		char *ptr;
		
		val = strtol(optarg, &ptr, 0);
		if(*ptr || val < 0 || val >= 0x10000) {
#ifdef	USE_LIBSCHILY
			comerrno(EX_BAD, "Boot image load address invalid.\n");
#else
			fprintf(stderr, "Boot image load address invalid.\n");
			exit(1);
#endif
		}
		load_addr = val;
	}
	break;
      case OPTION_BOOT_LOAD_SIZE:
	use_eltorito++;
	{
		long val;
		char *ptr;
		
		val = strtol(optarg, &ptr, 0);
		if(*ptr || val < 0 || val >= 0x10000) {
#ifdef	USE_LIBSCHILY
			comerrno(EX_BAD, "Boot image load size invalid.\n");
#else
			fprintf(stderr, "Boot image load size invalid.\n");
			exit(1);
#endif
		}
		load_size = val;
	}
	break;
      case OPTION_BOOT_INFO_TABLE:
	use_eltorito++;
	boot_info_table++;
	break;
      default:
	usage(1);
      }

parse_input_files:

  if( merge_image != NULL )
    {
      if (open_merge_image(merge_image) < 0)
	{
	  /*
	   * Complain and die.
	   */
#ifdef	USE_LIBSCHILY
	  comerr("Unable to open previous session image %s\n",
		  merge_image);
#else
	  fprintf(stderr,"Unable to open previous session image %s\n",
		  merge_image);
	  exit(1);
#endif
	}
    }
	/*
	 * We don't need root privilleges anymore.
	 */
#ifdef	HAVE_SETREUID
	if (setreuid(-1, getuid()) < 0)
#else
#ifdef	HAVE_SETEUID
	if (seteuid(getuid()) < 0)
#else
	if (setuid(getuid()) < 0)
#endif
#endif
#ifdef	USE_LIBSCHILY
		comerr("Panic cannot set back efective uid.\n");
#else
		{perror("Panic cannot set back efective uid.");exit(1);}
#endif


#ifdef	no_more_needed
#ifdef __NetBSD__
    {
	int resource;
    struct rlimit rlp;
	if (getrlimit(RLIMIT_DATA,&rlp) == -1) 
		perror("Warning: getrlimit");
	else {
		rlp.rlim_cur=33554432;
		if (setrlimit(RLIMIT_DATA,&rlp) == -1)
			perror("Warning: setrlimit");
		}
	}
#endif
#endif	/* no_more_needed */
#ifdef HAVE_SBRK
  mem_start = (unsigned long) sbrk(0);
#endif

  /* if the -hide-joliet option has been given, set the Joliet option */
  if (!use_Joliet && j_ishidden())
    use_Joliet++;

  if(verbose > 1) fprintf(stderr,"%s (%s-%s-%s)\n", version_string, HOST_CPU, HOST_VENDOR, HOST_OS);

  if(cdrecord_data == NULL && merge_image != NULL)
    {
#ifdef	USE_LIBSCHILY
      comerrno(EX_BAD, "Multisession usage bug: Must specify -C if -M is used.\n");
#else
      fprintf(stderr, "Multisession usage bug: Must specify -C if -M is used.\n");
      exit(1);
#endif
    }

  if(cdrecord_data != NULL && merge_image == NULL)
    {
#ifdef	USE_LIBSCHILY
      errmsgno(EX_BAD, "Warning: -C specified without -M: old session data will not be merged.\n");
#else
      fprintf(stderr, "Warning: -C specified without -M: old session data will not be merged.\n");
#endif
    }

  /*  The first step is to scan the directory tree, and take some notes */

  if(!argv[optind]) {
#ifdef	USE_LIBSCHILY
	errmsgno(EX_BAD, "Missing pathspec.\n");
#endif
	usage(1);
  }

  if(use_RockRidge){
#if 1
	extension_record = generate_rr_extension_record("RRIP_1991A",
				       "THE ROCK RIDGE INTERCHANGE PROTOCOL PROVIDES SUPPORT FOR POSIX FILE SYSTEM SEMANTICS",
				       "PLEASE CONTACT DISC PUBLISHER FOR SPECIFICATION SOURCE.  SEE PUBLISHER IDENTIFIER IN PRIMARY VOLUME DESCRIPTOR FOR CONTACT INFORMATION.", &extension_record_size);
#else
	extension_record = generate_rr_extension_record("IEEE_P1282",
				       "THE IEEE P1282 PROTOCOL PROVIDES SUPPORT FOR POSIX FILE SYSTEM SEMANTICS",
				       "PLEASE CONTACT THE IEEE STANDARDS DEPARTMENT, PISCATAWAY, NJ, USA FOR THE P1282 SPECIFICATION.", &extension_record_size);
#endif
  }

  if (log_file) {
    FILE *lfp;
    int i;

    /* open log file - test that we can open OK */
    if ((lfp = fopen(log_file, "w")) == NULL) {
#ifdef	USE_LIBSCHILY
      comerr("can't open logfile: %s\n", log_file);
#else
      fprintf(stderr,"can't open logfile: %s\n", log_file);
      exit (1);
#endif
    }
    fclose(lfp);

    /* redirect all stderr message to log_file */
    fprintf(stderr, "re-directing all messages to %s\n", log_file);
    fflush(stderr);

    /* associate stderr with the log file */
    if (freopen(log_file, "w", stderr) == NULL) {
#ifdef	USE_LIBSCHILY
      comerr("can't open logfile: %s\n", log_file);
#else
      fprintf(stderr,"can't open logfile: %s\n", log_file);
      exit (1);
#endif
    }
    if(verbose > 1) {
      for (i=0;i<argc;i++)
       fprintf(stderr,"%s ", argv[i]);

      fprintf(stderr,"\n%s (%s-%s-%s)\n", version_string, HOST_CPU, HOST_VENDOR, HOST_OS);
    }
  }

  /*
   * Find name of root directory.
   */
  node = strchr(argv[optind], '=');
  if ( node == NULL ) {
    node = argv[optind];
  } else {
    ++node;
  }

  /*
   * See if boot catalog file exists in root directory, if not
   * we will create it.
   */
  if (use_eltorito)
    init_boot_catalog(node);

  /*
   * Find the device and inode number of the root directory.
   * Record this in the hash table so we don't scan it more than
   * once.
   */
  stat_filter(node, &statbuf);
  add_directory_hash(statbuf.st_dev, STAT_INODE(statbuf));

  memset(&de, 0, sizeof(de));

  de.filedir = root;  /* We need this to bootstrap */

  if (cdrecord_data != NULL && merge_image == NULL) {