예제 #1
0
파일: options.c 프로젝트: Henauxg/minix
static void
pax_options(int argc, char **argv)
{
	int c;
	size_t i;
	u_int64_t flg = 0;
	u_int64_t bflg = 0;
	char *pt;
	FSUB tmp;

	/*
	 * process option flags
	 */
	while ((c = getopt_long(argc, argv,
	    "0ab:cdf:ijklno:p:rs:tuvwx:zAB:DE:G:HLMN:OPT:U:VXYZ",
	    pax_longopts, NULL)) != -1) {
		switch (c) {
		case '0':
			sep = '\0';
			break;
		case 'a':
			/*
			 * append
			 */
			flg |= AF;
			break;
		case 'b':
			/*
			 * specify blocksize
			 */
			flg |= BF;
			if ((wrblksz = (int)str_offt(optarg)) <= 0) {
				tty_warn(1, "Invalid block size %s", optarg);
				pax_usage();
			}
			break;
		case 'c':
			/*
			 * inverse match on patterns
			 */
			cflag = 1;
			flg |= CF;
			break;
		case 'd':
			/*
			 * match only dir on extract, not the subtree at dir
			 */
			dflag = 1;
			flg |= DF;
			break;
		case 'f':
			/*
			 * filename where the archive is stored
			 */
			arcname = optarg;
			flg |= FF;
			break;
		case 'i':
			/*
			 * interactive file rename
			 */
			iflag = 1;
			flg |= IF;
			break;
		case 'j':
			/*
			 * pass through bzip2
			 */
			gzip_program = BZIP2_CMD;
			break;
		case 'k':
			/*
			 * do not clobber files that exist
			 */
			kflag = 1;
			flg |= KF;
			break;
		case 'l':
			/*
			 * try to link src to dest with copy (-rw)
			 */
			lflag = 1;
			flg |= LF;
			break;
		case 'n':
			/*
			 * select first match for a pattern only
			 */
			nflag = 1;
			flg |= NF;
			break;
		case 'o':
			/*
			 * pass format specific options
			 */
			flg |= OF;
			if (opt_add(optarg) < 0)
				pax_usage();
			break;
		case 'p':
			/*
			 * specify file characteristic options
			 */
			for (pt = optarg; *pt != '\0'; ++pt) {
				switch(*pt) {
				case 'a':
					/*
					 * do not preserve access time
					 */
					patime = 0;
					break;
				case 'e':
					/*
					 * preserve user id, group id, file
					 * mode, access/modification times
					 * and file flags.
					 */
					pids = 1;
					pmode = 1;
					patime = 1;
					pmtime = 1;
					pfflags = 1;
					break;
#if 0
				case 'f':
					/*
					 * do not preserve file flags
					 */
					pfflags = 0;
					break;
#endif
				case 'm':
					/*
					 * do not preserve modification time
					 */
					pmtime = 0;
					break;
				case 'o':
					/*
					 * preserve uid/gid
					 */
					pids = 1;
					break;
				case 'p':
					/*
					 * preserve file mode bits
					 */
					pmode = 1;
					break;
				default:
					tty_warn(1, "Invalid -p string: %c",
					    *pt);
					pax_usage();
					break;
				}
			}
			flg |= PF;
			break;
		case 'r':
			/*
			 * read the archive
			 */
			flg |= RF;
			break;
		case 's':
			/*
			 * file name substitution name pattern
			 */
			if (rep_add(optarg) < 0) {
				pax_usage();
				break;
			}
			flg |= SF;
			break;
		case 't':
			/*
			 * preserve access time on filesystem nodes we read
			 */
			tflag = 1;
			flg |= TF;
			break;
		case 'u':
			/*
			 * ignore those older files
			 */
			uflag = 1;
			flg |= UF;
			break;
		case 'v':
			/*
			 * verbose operation mode
			 */
			vflag = 1;
			flg |= VF;
			break;
		case 'w':
			/*
			 * write an archive
			 */
			flg |= WF;
			break;
		case 'x':
			/*
			 * specify an archive format on write
			 */
			tmp.name = optarg;
			frmt = (FSUB *)bsearch((void *)&tmp, (void *)fsub,
			    sizeof(fsub)/sizeof(FSUB), sizeof(FSUB), c_frmt);
			if (frmt != NULL) {
				flg |= XF;
				break;
			}
			tty_warn(1, "Unknown -x format: %s", optarg);
			(void)fputs("pax: Known -x formats are:", stderr);
			for (i = 0; i < (sizeof(fsub)/sizeof(FSUB)); ++i)
				(void)fprintf(stderr, " %s", fsub[i].name);
			(void)fputs("\n\n", stderr);
			pax_usage();
			break;
		case 'z':
			/*
			 * use gzip.  Non standard option.
			 */
			gzip_program = GZIP_CMD;
			break;
		case 'A':
			Aflag = 1;
			flg |= CAF;
			break;
		case 'B':
			/*
			 * non-standard option on number of bytes written on a
			 * single archive volume.
			 */
			if ((wrlimit = str_offt(optarg)) <= 0) {
				tty_warn(1, "Invalid write limit %s", optarg);
				pax_usage();
			}
			if (wrlimit % BLKMULT) {
				tty_warn(1,
				    "Write limit is not a %d byte multiple",
				    BLKMULT);
				pax_usage();
			}
			flg |= CBF;
			break;
		case 'D':
			/*
			 * On extraction check file inode change time before the
			 * modification of the file name. Non standard option.
			 */
			Dflag = 1;
			flg |= CDF;
			break;
		case 'E':
			/*
			 * non-standard limit on read faults
			 * 0 indicates stop after first error, values
			 * indicate a limit, "none" try forever
			 */
			flg |= CEF;
			if (strcmp(none, optarg) == 0)
				maxflt = -1;
			else if ((maxflt = atoi(optarg)) < 0) {
				tty_warn(1,
				    "Error count value must be positive");
				pax_usage();
			}
			break;
		case 'G':
			/*
			 * non-standard option for selecting files within an
			 * archive by group (gid or name)
			 */
			if (grp_add(optarg) < 0) {
				pax_usage();
				break;
			}
			flg |= CGF;
			break;
		case 'H':
			/*
			 * follow command line symlinks only
			 */
			Hflag = 1;
			flg |= CHF;
			break;
		case 'L':
			/*
			 * follow symlinks
			 */
			Lflag = 1;
			flg |= CLF;
			break;
#ifdef SMALL
		case 'M':
		case 'N':
			tty_warn(1, "Support for -%c is not compiled in", c);
			exit(1);
#else	/* !SMALL */
		case 'M':
			/*
			 * Treat list of filenames on stdin as an
			 * mtree(8) specfile.  Non standard option.
			 */
			Mflag = 1;
			flg |= CMF;
			break;
		case 'N':
			/*
			 * Use alternative directory for user db lookups.
			 */
			if (!setup_getid(optarg)) {
				tty_warn(1,
			    "Unable to use user and group databases in `%s'",
				    optarg);
				pax_usage();
			}
			break;
#endif	/* !SMALL */
		case 'O':
			/*
			 * Force one volume.  Non standard option.
			 */
			force_one_volume = 1;
			break;
		case 'P':
			/*
			 * do NOT follow symlinks (default)
			 */
			Lflag = 0;
			flg |= CPF;
			break;
		case 'T':
			/*
			 * non-standard option for selecting files within an
			 * archive by modification time range (lower,upper)
			 */
			if (trng_add(optarg) < 0) {
				pax_usage();
				break;
			}
			flg |= CTF;
			break;
		case 'U':
			/*
			 * non-standard option for selecting files within an
			 * archive by user (uid or name)
			 */
			if (usr_add(optarg) < 0) {
				pax_usage();
				break;
			}
			flg |= CUF;
			break;
		case 'V':
			/*
			 * somewhat verbose operation mode (no listing)
			 */
			Vflag = 1;
			flg |= VSF;
			break;
		case 'X':
			/*
			 * do not pass over mount points in the file system
			 */
			Xflag = 1;
			flg |= CXF;
			break;
		case 'Y':
			/*
			 * On extraction check file inode change time after the
			 * modification of the file name. Non standard option.
			 */
			Yflag = 1;
			flg |= CYF;
			break;
		case 'Z':
			/*
			 * On extraction check modification time after the
			 * modification of the file name. Non standard option.
			 */
			Zflag = 1;
			flg |= CZF;
			break;
		case OPT_INSECURE:
			secure = 0;
			break;
		case OPT_FORCE_LOCAL:
			forcelocal = 1;
			break;
		case OPT_USE_COMPRESS_PROGRAM:
			gzip_program = optarg;
			break;
		case OPT_XZ:
			gzip_program = XZ_CMD;
			break;
		case OPT_GNU:
			is_gnutar = 1;
			break;
		case '?':
		default:
			pax_usage();
			break;
		}
	}

	/*
	 * figure out the operation mode of pax read,write,extract,copy,append
	 * or list. check that we have not been given a bogus set of flags
	 * for the operation mode.
	 */
	if (ISLIST(flg)) {
		act = LIST;
		listf = stdout;
		bflg = flg & BDLIST;
	} else if (ISEXTRACT(flg)) {
		act = EXTRACT;
		bflg = flg & BDEXTR;
	} else if (ISARCHIVE(flg)) {
		act = ARCHIVE;
		bflg = flg & BDARCH;
	} else if (ISAPPND(flg)) {
		act = APPND;
		bflg = flg & BDARCH;
	} else if (ISCOPY(flg)) {
		act = COPY;
		bflg = flg & BDCOPY;
	} else
		pax_usage();
	if (bflg) {
		printflg(flg);
		pax_usage();
	}

	/*
	 * if we are writing (ARCHIVE) we use the default format if the user
	 * did not specify a format. when we write during an APPEND, we will
	 * adopt the format of the existing archive if none was supplied.
	 */
	if (!(flg & XF) && (act == ARCHIVE))
		frmt = &(fsub[DEFLT]);

	/*
	 * process the args as they are interpreted by the operation mode
	 */
	switch (act) {
	case LIST:
	case EXTRACT:
		for (; optind < argc; optind++)
			if (pat_add(argv[optind], NULL, 0) < 0)
				pax_usage();
		break;
	case COPY:
		if (optind >= argc) {
			tty_warn(0, "Destination directory was not supplied");
			pax_usage();
		}
		--argc;
		dirptr = argv[argc];
		if (mkpath(dirptr) < 0)
			exit(1);
		/* FALLTHROUGH */
	case ARCHIVE:
	case APPND:
		for (; optind < argc; optind++)
			if (ftree_add(argv[optind], 0) < 0)
				pax_usage();
		/*
		 * no read errors allowed on updates/append operation!
		 */
		maxflt = 0;
		break;
	}
}
예제 #2
0
static void
pax_options(int argc, char **argv)
{
	int c;
	unsigned i;
	unsigned int flg = 0;
	unsigned int bflg = 0;
	char *pt;

	/*
	 * process option flags
	 */
	while ((c=getopt(argc,argv,"ab:cdf:ijklno:p:rs:tuvwx:zB:DE:G:HLOPT:U:XYZ0"))
	    != -1) {
		switch (c) {
		case 'a':
			/*
			 * append
			 */
			flg |= AF;
			break;
		case 'b':
			/*
			 * specify blocksize
			 */
			flg |= BF;
			if ((wrblksz = (int)str_offt(optarg)) <= 0) {
				paxwarn(1, "Invalid block size %s", optarg);
				pax_usage();
			}
			break;
		case 'c':
			/*
			 * inverse match on patterns
			 */
			cflag = 1;
			flg |= CF;
			break;
		case 'd':
			/*
			 * match only dir on extract, not the subtree at dir
			 */
			dflag = 1;
			flg |= DF;
			break;
		case 'f':
			/*
			 * filename where the archive is stored
			 */
			arcname = optarg;
			flg |= FF;
			break;
		case 'i':
			/*
			 * interactive file rename
			 */
			iflag = 1;
			flg |= IF;
			break;
		case 'j':
			/*
			 * use bzip2.  Non standard option.
			 */
			gzip_program = BZIP2_CMD;
			break;
		case 'k':
			/*
			 * do not clobber files that exist
			 */
			kflag = 1;
			flg |= KF;
			break;
		case 'l':
			/*
			 * try to link src to dest with copy (-rw)
			 */
			lflag = 1;
			flg |= LF;
			break;
		case 'n':
			/*
			 * select first match for a pattern only
			 */
			nflag = 1;
			flg |= NF;
			break;
		case 'o':
			/*
			 * pass format specific options
			 */
			flg |= OF;
			if (opt_add(optarg) < 0)
				pax_usage();
			break;
		case 'p':
			/*
			 * specify file characteristic options
			 */
			for (pt = optarg; *pt != '\0'; ++pt) {
				switch (*pt) {
				case 'a':
					/*
					 * do not preserve access time
					 */
					patime = 0;
					break;
				case 'e':
					/*
					 * preserve user id, group id, file
					 * mode, access/modification times
					 */
					pids = 1;
					pmode = 1;
					patime = 1;
					pmtime = 1;
					break;
				case 'm':
					/*
					 * do not preserve modification time
					 */
					pmtime = 0;
					break;
				case 'o':
					/*
					 * preserve uid/gid
					 */
					pids = 1;
					break;
				case 'p':
					/*
					 * preserve file mode bits
					 */
					pmode = 1;
					break;
				default:
					paxwarn(1, "Invalid -p string: %c", *pt);
					pax_usage();
					break;
				}
			}
			flg |= PF;
			break;
		case 'r':
			/*
			 * read the archive
			 */
			flg |= RF;
			break;
		case 's':
			/*
			 * file name substitution name pattern
			 */
			if (rep_add(optarg) < 0) {
				pax_usage();
				break;
			}
			flg |= SF;
			break;
		case 't':
			/*
			 * preserve access time on filesystem nodes we read
			 */
			tflag = 1;
			flg |= TF;
			break;
		case 'u':
			/*
			 * ignore those older files
			 */
			uflag = 1;
			flg |= UF;
			break;
		case 'v':
			/*
			 * verbose operation mode
			 */
			vflag = 1;
			flg |= VF;
			break;
		case 'w':
			/*
			 * write an archive
			 */
			flg |= WF;
			break;
		case 'x':
			/*
			 * specify an archive format on write
			 */
			for (i = 0; i < sizeof(fsub)/sizeof(FSUB); ++i)
				if (fsub[i].name != NULL &&
				    strcmp(fsub[i].name, optarg) == 0)
					break;
			if (i < sizeof(fsub)/sizeof(FSUB)) {
				frmt = &fsub[i];
				flg |= XF;
				break;
			}
			paxwarn(1, "Unknown -x format: %s", optarg);
			(void)fputs("pax: Known -x formats are:", stderr);
			for (i = 0; i < (sizeof(fsub)/sizeof(FSUB)); ++i)
				if (fsub[i].name != NULL)
					(void)fprintf(stderr, " %s",
					    fsub[i].name);
			(void)fputs("\n\n", stderr);
			pax_usage();
			break;
		case 'z':
			/*
			 * use gzip.  Non standard option.
			 */
			gzip_program = GZIP_CMD;
			break;
		case 'B':
			/*
			 * non-standard option on number of bytes written on a
			 * single archive volume.
			 */
			if ((wrlimit = str_offt(optarg)) <= 0) {
				paxwarn(1, "Invalid write limit %s", optarg);
				pax_usage();
			}
			if (wrlimit % BLKMULT) {
				paxwarn(1, "Write limit is not a %d byte multiple",
				    BLKMULT);
				pax_usage();
			}
			flg |= CBF;
			break;
		case 'D':
			/*
			 * On extraction check file inode change time before the
			 * modification of the file name. Non standard option.
			 */
			Dflag = 1;
			flg |= CDF;
			break;
		case 'E':
			/*
			 * non-standard limit on read faults
			 * 0 indicates stop after first error, values
			 * indicate a limit, "NONE" try forever
			 */
			flg |= CEF;
			if (strcmp(NONE, optarg) == 0)
				maxflt = -1;
			else if ((maxflt = atoi(optarg)) < 0) {
				paxwarn(1, "Error count value must be positive");
				pax_usage();
			}
			break;
		case 'G':
			/*
			 * non-standard option for selecting files within an
			 * archive by group (gid or name)
			 */
			if (grp_add(optarg) < 0) {
				pax_usage();
				break;
			}
			flg |= CGF;
			break;
		case 'H':
			/*
			 * follow command line symlinks only
			 */
			Hflag = 1;
			flg |= CHF;
			break;
		case 'L':
			/*
			 * follow symlinks
			 */
			Lflag = 1;
			flg |= CLF;
			break;
		case 'O':
			/*
			 * Force one volume.  Non standard option.
			 */
			force_one_volume = 1;
			break;
		case 'P':
			/*
			 * do NOT follow symlinks (default)
			 */
			Lflag = 0;
			flg |= CPF;
			break;
		case 'T':
			/*
			 * non-standard option for selecting files within an
			 * archive by modification time range (lower,upper)
			 */
			if (trng_add(optarg) < 0) {
				pax_usage();
				break;
			}
			flg |= CTF;
			break;
		case 'U':
			/*
			 * non-standard option for selecting files within an
			 * archive by user (uid or name)
			 */
			if (usr_add(optarg) < 0) {
				pax_usage();
				break;
			}
			flg |= CUF;
			break;
		case 'X':
			/*
			 * do not pass over mount points in the file system
			 */
			Xflag = 1;
			flg |= CXF;
			break;
		case 'Y':
			/*
			 * On extraction check file inode change time after the
			 * modification of the file name. Non standard option.
			 */
			Yflag = 1;
			flg |= CYF;
			break;
		case 'Z':
			/*
			 * On extraction check modification time after the
			 * modification of the file name. Non standard option.
			 */
			Zflag = 1;
			flg |= CZF;
			break;
		case '0':
			/*
			 * Use \0 as pathname terminator.
			 * (For use with the -print0 option of find(1).)
			 */
			zeroflag = 1;
			flg |= C0F;
			break;
		default:
			pax_usage();
			break;
		}
	}

	/*
	 * figure out the operation mode of pax read,write,extract,copy,append
	 * or list. check that we have not been given a bogus set of flags
	 * for the operation mode.
	 */
	if (ISLIST(flg)) {
		act = LIST;
		listf = stdout;
		bflg = flg & BDLIST;
	} else if (ISEXTRACT(flg)) {
		act = EXTRACT;
		bflg = flg & BDEXTR;
	} else if (ISARCHIVE(flg)) {
		act = ARCHIVE;
		bflg = flg & BDARCH;
	} else if (ISAPPND(flg)) {
		act = APPND;
		bflg = flg & BDARCH;
	} else if (ISCOPY(flg)) {
		act = COPY;
		bflg = flg & BDCOPY;
	} else
		pax_usage();
	if (bflg) {
		printflg(flg);
		pax_usage();
	}

	/*
	 * if we are writing (ARCHIVE) we use the default format if the user
	 * did not specify a format. when we write during an APPEND, we will
	 * adopt the format of the existing archive if none was supplied.
	 */
	if (!(flg & XF) && (act == ARCHIVE))
		frmt = &(fsub[DEFLT]);

	/*
	 * process the args as they are interpreted by the operation mode
	 */
	switch (act) {
	case LIST:
	case EXTRACT:
		for (; optind < argc; optind++)
			if (pat_add(argv[optind], NULL) < 0)
				pax_usage();
		break;
	case COPY:
		if (optind >= argc) {
			paxwarn(0, "Destination directory was not supplied");
			pax_usage();
		}
		--argc;
		dirptr = argv[argc];
		/* FALL THROUGH */
	case ARCHIVE:
	case APPND:
		for (; optind < argc; optind++)
			if (ftree_add(argv[optind], 0) < 0)
				pax_usage();
		/*
		 * no read errors allowed on updates/append operation!
		 */
		maxflt = 0;
		break;
	}
}
예제 #3
0
파일: options.c 프로젝트: Henauxg/minix
static void
cpio_options(int argc, char **argv)
{
	FSUB tmp;
	u_int64_t flg = 0;
	u_int64_t bflg = 0;
	int c;
	size_t i;
	FILE *fp;
	char *str;

	uflag = 1;
	kflag = 1;
	pids = 1;
	pmode = 1;
	pmtime = 0;
	arcname = NULL;
	dflag = 1;
	nodirs = 1;
	/*
	 * process option flags
	 */
	while ((c = getoldopt(argc, argv,
	    "+abcdfiklmoprstuvzABC:E:F:H:I:LM:O:R:SVZ6",
	    cpio_longopts, NULL)) != -1) {
		switch(c) {
		case 'a':
			/*
			 * preserve access time on filesystem nodes we read
			 */
			tflag = 1;
			flg |= TF;
			break;
#ifdef notyet
		case 'b':
			/*
			 * swap bytes and half-words when reading data
			 */
			break;
#endif
		case 'c':
			/*
			 * ASCII cpio header
			 */
			frmt = &fsub[F_SV4CPIO];
			break;
		case 'd':
			/*
			 * create directories as needed
			 * pax does this by default ..
			 */
			nodirs = 0;
			break;
		case 'f':
			/*
			 * inverse match on patterns
			 */
			cflag = 1;
			flg |= CF;
			break;
		case 'i':
			/*
			 * read the archive
			 */
			cpio_set_action(EXTRACT);
			flg |= RF;
			break;
#ifdef notyet
		case 'k':
			break;
#endif
		case 'l':
			/*
			 * try to link src to dest with copy (-rw)
			 */
			lflag = 1;
			flg |= LF;
			break;
		case 'm':
			/*
			 * preserve mtime
			 */
			flg |= PF;
			pmtime = 1;
			break;
		case 'o':
			/*
			 * write an archive
			 */
			cpio_set_action(ARCHIVE);
			frmt = &(fsub[F_SV4CRC]);
			flg |= WF;
			break;
		case 'p':
			/*
			 * cpio -p is like pax -rw
			 */
			cpio_set_action(COPY);
			flg |= RF | WF;
			break;
		case 'r':
			/*
			 * interactive file rename
			 */
			iflag = 1;
			flg |= IF;
			break;
#ifdef notyet
		case 's':
			/*
			 * swap bytes after reading data
			 */
			break;
#endif
		case 't':
			/*
			 * list contents of archive
			 */
			cpio_set_action(LIST);
			listf = stdout;
			flg &= ~RF;
			break;
		case 'u':
			/*
			 * don't ignore those older files
			 */
			uflag = 0;
			kflag = 0;
			flg |= UF;
			break;
		case 'v':
			/*
			 * verbose operation mode
			 */
			vflag = 1;
			flg |= VF;
			break;
		case 'z':
			/*
			 * use gzip.  Non standard option.
			 */
			gzip_program = GZIP_CMD;
			break;
		case 'A':
			/*
			 * append to an archive
			 */
			cpio_set_action(APPND);
			flg |= AF;
			break;
		case 'B':
			/*
			 * set blocksize to 5120
			 */
			blksz = 5120;
			break;
		case 'C':
			/*
			 * specify blocksize
			 */
			if ((blksz = (int)str_offt(optarg)) <= 0) {
				tty_warn(1, "Invalid block size %s", optarg);
				cpio_usage();
			}
			break;
		case 'E':
			/*
			 * file with patterns to extract or list
			 */
			if ((fp = fopen(optarg, "r")) == NULL) {
				tty_warn(1, "Unable to open file '%s' for read",
				    optarg);
				cpio_usage();
			}
			while ((str = get_line(fp)) != NULL) {
				pat_add(str, NULL, 0);
			}
			fclose(fp);
			if (get_line_error) {
				tty_warn(1, "Problem with file '%s'", optarg);
				cpio_usage();
			}
			break;
		case 'H':
			/*
			 * specify an archive format on write
			 */
			tmp.name = optarg;
			frmt = (FSUB *)bsearch((void *)&tmp, (void *)fsub,
			    sizeof(fsub)/sizeof(FSUB), sizeof(FSUB), c_frmt);
			if (frmt != NULL) {
				flg |= XF;
				break;
			}
			tty_warn(1, "Unknown -H format: %s", optarg);
			(void)fputs("cpio: Known -H formats are:", stderr);
			for (i = 0; i < (sizeof(fsub)/sizeof(FSUB)); ++i)
				(void)fprintf(stderr, " %s", fsub[i].name);
			(void)fputs("\n\n", stderr);
			cpio_usage();
			break;
		case 'F':
		case 'I':
		case 'O':
			/*
			 * filename where the archive is stored
			 */
			if ((optarg[0] == '-') && (optarg[1]== '\0')) {
				/*
				 * treat a - as stdin
				 */
				arcname = NULL;
				break;
			}
			arcname = optarg;
			break;
		case 'L':
			/*
			 * follow symlinks
			 */
			Lflag = 1;
			flg |= CLF;
			break;
#ifdef notyet
		case 'M':
			arg = optarg;
			break;
		case 'R':
			arg = optarg;
			break;
#endif
		case 'S':
			/*
			 * swap halfwords after reading data
			 */
			cpio_swp_head = 1;
			break;
#ifdef notyet
		case 'V':		/* print a '.' for each file processed */
			break;
#endif
		case 'V':
			/*
			 * semi-verbose operation mode (no listing)
			 */
			Vflag = 1;
			flg |= VF;
			break;
		case 'Z':
			/*
			 * use compress.  Non standard option.
			 */
			gzip_program = COMPRESS_CMD;
			break;
		case '6':
			/*
			 * process Version 6 cpio format
			 */
			frmt = &(fsub[F_BCPIO]);
			break;
		case OPT_FORCE_LOCAL:
			forcelocal = 1;
			break;
		case OPT_INSECURE:
			secure = 0;
			break;
		case OPT_SPARSE:
			/* do nothing; we already generate sparse files */
			break;
		case OPT_XZ:
			gzip_program = XZ_CMD;
			break;
		default:
			cpio_usage();
			break;
		}
	}

	/*
	 * figure out the operation mode of cpio. check that we have not been
	 * given a bogus set of flags for the operation mode.
	 */
	if (ISLIST(flg)) {
		act = LIST;
		bflg = flg & BDLIST;
	} else if (ISEXTRACT(flg)) {
		act = EXTRACT;
		bflg = flg & BDEXTR;
	} else if (ISARCHIVE(flg)) {
		act = ARCHIVE;
		bflg = flg & BDARCH;
	} else if (ISAPPND(flg)) {
		act = APPND;
		bflg = flg & BDARCH;
	} else if (ISCOPY(flg)) {
		act = COPY;
		bflg = flg & BDCOPY;
	} else
		cpio_usage();
	if (bflg) {
		cpio_usage();
	}

	/*
	 * if we are writing (ARCHIVE) we use the default format if the user
	 * did not specify a format. when we write during an APPEND, we will
	 * adopt the format of the existing archive if none was supplied.
	 */
	if (!(flg & XF) && (act == ARCHIVE))
		frmt = &(fsub[F_BCPIO]);

	/*
	 * process the args as they are interpreted by the operation mode
	 */
	switch (act) {
	case LIST:
	case EXTRACT:
		for (; optind < argc; optind++)
			if (pat_add(argv[optind], NULL, 0) < 0)
				cpio_usage();
		break;
	case COPY:
		if (optind >= argc) {
			tty_warn(0, "Destination directory was not supplied");
			cpio_usage();
		}
		--argc;
		dirptr = argv[argc];
		/* FALLTHROUGH */
	case ARCHIVE:
	case APPND:
		if (argc != optind) {
			for (; optind < argc; optind++)
				if (ftree_add(argv[optind], 0) < 0)
					cpio_usage();
			break;
		}
		/*
		 * no read errors allowed on updates/append operation!
		 */
		maxflt = 0;
		while ((str = get_line(stdin)) != NULL) {
			ftree_add(str, 0);
		}
		if (get_line_error) {
			tty_warn(1, "Problem while reading stdin");
			cpio_usage();
		}
		break;
	default:
		cpio_usage();
		break;
	}
}