示例#1
0
int
main(int argc, char **argv)
{
    int ch, noinit, noset, quiet, Sflag, sflag, showterm;
    const char *ttype;
    int terasechar = -1;	/* new erase character */
    int intrchar = -1;		/* new interrupt character */
    int tkillchar = -1;		/* new kill character */
    int my_fd;
    bool opt_c = FALSE;		/* set control-chars */
    bool opt_w = FALSE;		/* set window-size */
    TTY mode, oldmode;

    my_fd = STDERR_FILENO;
    obsolete(argv);
    noinit = noset = quiet = Sflag = sflag = showterm = 0;
    while ((ch = getopt(argc, argv, "a:cd:e:Ii:k:m:p:qQrSsVw")) != -1) {
	switch (ch) {
	case 'c':		/* set control-chars */
	    opt_c = TRUE;
	    break;
	case 'a':		/* OBSOLETE: map identifier to type */
	    add_mapping("arpanet", optarg);
	    break;
	case 'd':		/* OBSOLETE: map identifier to type */
	    add_mapping("dialup", optarg);
	    break;
	case 'e':		/* erase character */
	    terasechar = arg_to_char();
	    break;
	case 'I':		/* no initialization strings */
	    noinit = 1;
	    break;
	case 'i':		/* interrupt character */
	    intrchar = arg_to_char();
	    break;
	case 'k':		/* kill character */
	    tkillchar = arg_to_char();
	    break;
	case 'm':		/* map identifier to type */
	    add_mapping(0, optarg);
	    break;
	case 'p':		/* OBSOLETE: map identifier to type */
	    add_mapping("plugboard", optarg);
	    break;
	case 'Q':		/* don't output control key settings */
	    quiet = 1;
	    break;
	case 'q':		/* display term only */
	    noset = 1;
	    break;
	case 'r':		/* display term on stderr */
	    showterm = 1;
	    break;
	case 'S':		/* OBSOLETE: output TERM & TERMCAP */
	    Sflag = 1;
	    break;
	case 's':		/* output TERM set command */
	    sflag = 1;
	    break;
	case 'V':		/* print curses-version */
	    puts(curses_version());
	    ExitProgram(EXIT_SUCCESS);
	case 'w':		/* set window-size */
	    opt_w = TRUE;
	    break;
	case '?':
	default:
	    usage();
	}
    }

    _nc_progname = _nc_rootname(*argv);
    argc -= optind;
    argv += optind;

    if (argc > 1)
	usage();

    if (!opt_c && !opt_w)
	opt_c = opt_w = TRUE;

    my_fd = save_tty_settings(&mode, TRUE);
    oldmode = mode;
#ifdef TERMIOS
    ospeed = (NCURSES_OSPEED) cfgetospeed(&mode);
#else
    ospeed = (NCURSES_OSPEED) mode.sg_ospeed;
#endif

    if (same_program(_nc_progname, PROG_RESET)) {
	reset_start(stderr, TRUE, FALSE);
	reset_tty_settings(my_fd, &mode);
    } else {
	reset_start(stderr, FALSE, TRUE);
    }

    ttype = get_termcap_entry(my_fd, *argv);

    if (!noset) {
#if HAVE_SIZECHANGE
	if (opt_w) {
	    set_window_size(my_fd, &lines, &columns);
	}
#endif
	if (opt_c) {
	    set_control_chars(&mode, terasechar, intrchar, tkillchar);
	    set_conversions(&mode);

	    if (!noinit) {
		if (send_init_strings(my_fd, &oldmode)) {
		    (void) putc('\r', stderr);
		    (void) fflush(stderr);
		    (void) napms(1000);		/* Settle the terminal. */
		}
	    }

	    update_tty_settings(&oldmode, &mode);
	}
    }

    if (noset) {
	(void) printf("%s\n", ttype);
    } else {
	if (showterm)
	    (void) fprintf(stderr, "Terminal type is %s.\n", ttype);
	/*
	 * If erase, kill and interrupt characters could have been
	 * modified and not -Q, display the changes.
	 */
	if (!quiet) {
	    print_tty_chars(&oldmode, &mode);
	}
    }

    if (Sflag)
	err("The -S option is not supported under terminfo.");

    if (sflag) {
	print_shell_commands(ttype);
    }

    ExitProgram(EXIT_SUCCESS);
}
示例#2
0
文件: main.c 项目: sofuture/bitrig
int
main(int argc, char *argv[])
{
	ino_t ino;
	int dirty;
	union dinode *dp;
	struct	fstab *dt;
	char *map;
	int ch, mode;
	struct tm then;
	struct statfs fsbuf;
	int i, anydirskipped, bflag = 0, Tflag = 0, honorlevel = 1;
	ino_t maxino;
	time_t t;
	int dirlist;
	char *toplevel, *str, *mount_point = NULL;

	spcl.c_date = (int64_t)time(NULL);

	tsize = 0;	/* Default later, based on 'c' option for cart tapes */
	if ((tape = getenv("TAPE")) == NULL)
		tape = _PATH_DEFTAPE;
	dumpdates = _PATH_DUMPDATES;
	temp = _PATH_DTMP;
	if (TP_BSIZE / DEV_BSIZE == 0 || TP_BSIZE % DEV_BSIZE != 0)
		quit("TP_BSIZE must be a multiple of DEV_BSIZE\n");
	level = '0';

	if (argc < 2)
		usage();

	obsolete(&argc, &argv);
	while ((ch = getopt(argc, argv, "0123456789aB:b:cd:f:h:ns:T:uWw")) != -1)
		switch (ch) {
		/* dump level */
		case '0': case '1': case '2': case '3': case '4':
		case '5': case '6': case '7': case '8': case '9':
			level = ch;
			break;

		case 'B':		/* blocks per output file */
			blocksperfile = numarg("blocks per file", 1L, 0L);
			break;

		case 'b':		/* blocks per tape write */
			ntrec = numarg("blocks per write", 1L, 1000L);
			if (ntrec > maxbsize/1024) {
				msg("Please choose a blocksize <= %dKB\n",
				    maxbsize/1024);
				exit(X_STARTUP);
			}
			bflag = 1;
			break;

		case 'c':		/* Tape is cart. not 9-track */
			cartridge = 1;
			break;

		case 'd':		/* density, in bits per inch */
			density = numarg("density", 10L, 327670L) / 10;
			if (density >= 625 && !bflag)
				ntrec = HIGHDENSITYTREC;
			break;

		case 'f':		/* output file */
			tape = optarg;
			break;

		case 'h':
			honorlevel = numarg("honor level", 0L, 10L);
			break;

		case 'n':		/* notify operators */
			notify = 1;
			break;

		case 's':		/* tape size, feet */
			tsize = numarg("tape size", 1L, 0L) * 12 * 10;
			break;

		case 'T':		/* time of last dump */
			str = strptime(optarg, "%a %b %e %H:%M:%S %Y", &then);
			then.tm_isdst = -1;
			if (str == NULL || (*str != '\n' && *str != '\0'))
				spcl.c_ddate = -1;
			else
				spcl.c_ddate = (int64_t)mktime(&then);
			if (spcl.c_ddate < 0) {
				(void)fprintf(stderr, "bad time \"%s\"\n",
				    optarg);
				exit(X_STARTUP);
			}
			Tflag = 1;
			lastlevel = '?';
			break;

		case 'u':		/* update /etc/dumpdates */
			uflag = 1;
			break;

		case 'W':		/* what to do */
		case 'w':
			lastdump(ch);
			exit(X_FINOK);	/* do nothing else */
			break;

		case 'a':		/* `auto-size', Write to EOM. */
			unlimited = 1;
			break;

		default:
			usage();
		}
	argc -= optind;
	argv += optind;

	if (argc < 1) {
		(void)fprintf(stderr, "Must specify disk or filesystem\n");
		exit(X_STARTUP);
	}

	/*
	 *	determine if disk is a subdirectory, and setup appropriately
	 */
	dirlist = 0;
	toplevel = NULL;
	for (i = 0; i < argc; i++) {
		struct stat sb;

		if (lstat(argv[i], &sb) == -1) {
			msg("Cannot lstat %s: %s\n", argv[i], strerror(errno));
			exit(X_STARTUP);
		}
		if (!S_ISDIR(sb.st_mode) && !S_ISREG(sb.st_mode))
			break;
		if (statfs(argv[i], &fsbuf) == -1) {
			msg("Cannot statfs %s: %s\n", argv[i], strerror(errno));
			exit(X_STARTUP);
		}
		if (strcmp(argv[i], fsbuf.f_mntonname) == 0) {
			if (dirlist != 0) {
				msg("Can't dump a mountpoint and a filelist\n");
				exit(X_STARTUP);
			}
			break;		/* exit if sole mountpoint */
		}
		if (!disk) {
			if ((toplevel = strdup(fsbuf.f_mntonname)) == NULL) {
				msg("Cannot malloc diskname\n");
				exit(X_STARTUP);
			}
			disk = toplevel;
			if (uflag) {
				msg("Ignoring u flag for subdir dump\n");
				uflag = 0;
			}
			if (level > '0') {
				msg("Subdir dump is done at level 0\n");
				level = '0';
			}
			msg("Dumping sub files/directories from %s\n", disk);
		} else {
			if (strcmp(disk, fsbuf.f_mntonname) != 0) {
				msg("%s is not on %s\n", argv[i], disk);
				exit(X_STARTUP);
			}
		}
		msg("Dumping file/directory %s\n", argv[i]);
		dirlist++;
	}
	if (dirlist == 0) {
		disk = *argv++;
		if (argc != 1) {
			(void)fputs("Excess arguments to dump:", stderr);
			while (--argc) {
				(void)putc(' ', stderr);
				(void)fputs(*argv++, stderr);
			}
			(void)putc('\n', stderr);
			exit(X_STARTUP);
		}
	}
	if (Tflag && uflag) {
	        (void)fprintf(stderr,
		    "You cannot use the T and u flags together.\n");
		exit(X_STARTUP);
	}
	if (strcmp(tape, "-") == 0) {
		pipeout++;
		tape = "standard output";
	}

	if (blocksperfile)
		blocksperfile = blocksperfile / ntrec * ntrec; /* round down */
	else if (!unlimited) {
		/*
		 * Determine how to default tape size and density
		 *
		 *         	density				tape size
		 * 9-track	1600 bpi (160 bytes/.1")	2300 ft.
		 * 9-track	6250 bpi (625 bytes/.1")	2300 ft.
		 * cartridge	8000 bpi (100 bytes/.1")	1700 ft.
		 *						(450*4 - slop)
		 */
		if (density == 0)
			density = cartridge ? 100 : 160;
		if (tsize == 0)
			tsize = cartridge ? 1700L*120L : 2300L*120L;
	}

	if (strchr(tape, ':')) {
		host = tape;
		tape = strchr(host, ':');
		*tape++ = '\0';
#ifdef RDUMP
		if (rmthost(host) == 0)
			exit(X_STARTUP);
#else
		(void)fprintf(stderr, "remote dump not enabled\n");
		exit(X_STARTUP);
#endif
	}

	if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
		signal(SIGHUP, sig);
	if (signal(SIGTRAP, SIG_IGN) != SIG_IGN)
		signal(SIGTRAP, sig);
	if (signal(SIGFPE, SIG_IGN) != SIG_IGN)
		signal(SIGFPE, sig);
	if (signal(SIGBUS, SIG_IGN) != SIG_IGN)
		signal(SIGBUS, sig);
	if (signal(SIGSEGV, SIG_IGN) != SIG_IGN)
		signal(SIGSEGV, sig);
	if (signal(SIGTERM, SIG_IGN) != SIG_IGN)
		signal(SIGTERM, sig);
	if (signal(SIGINT, interrupt) == SIG_IGN)
		signal(SIGINT, SIG_IGN);

	getfstab();		/* /etc/fstab snarfed */

	/*
	 *	disk can be either the full special file name,
	 *	the suffix of the special file name,
	 *	the special name missing the leading '/',
	 *	the file system name with or without the leading '/'.
	 */
	if (!statfs(disk, &fsbuf) && !strcmp(fsbuf.f_mntonname, disk)) {
		/* mounted disk? */
		disk = rawname(fsbuf.f_mntfromname);
		if (!disk) {
			(void)fprintf(stderr, "cannot get raw name for %s\n",
			    fsbuf.f_mntfromname);
			exit(X_STARTUP);
		}
		mount_point = fsbuf.f_mntonname;
		(void)strlcpy(spcl.c_dev, fsbuf.f_mntfromname,
		    sizeof(spcl.c_dev));
		if (dirlist != 0) {
			(void)snprintf(spcl.c_filesys, sizeof(spcl.c_filesys),
			    "a subset of %s", mount_point);
		} else {
			(void)strlcpy(spcl.c_filesys, mount_point,
			    sizeof(spcl.c_filesys));
		}
	} else if ((dt = fstabsearch(disk)) != NULL) {
		/* in fstab? */
		disk = rawname(dt->fs_spec);
		mount_point = dt->fs_file;
		(void)strlcpy(spcl.c_dev, dt->fs_spec, sizeof(spcl.c_dev));
		if (dirlist != 0) {
			(void)snprintf(spcl.c_filesys, sizeof(spcl.c_filesys),
			    "a subset of %s", mount_point);
		} else {
			(void)strlcpy(spcl.c_filesys, mount_point,
			    sizeof(spcl.c_filesys));
		}
	} else {
		/* must be a device */
		(void)strlcpy(spcl.c_dev, disk, sizeof(spcl.c_dev));
		(void)strlcpy(spcl.c_filesys, "an unlisted file system",
		    sizeof(spcl.c_filesys));
	}
	(void)strlcpy(spcl.c_label, "none", sizeof(spcl.c_label));
	(void)gethostname(spcl.c_host, sizeof(spcl.c_host));
	spcl.c_level = level - '0';
	spcl.c_type = TS_TAPE;
	if (!Tflag)
	        getdumptime();		/* /etc/dumpdates snarfed */

	t = (time_t)spcl.c_date;
	msg("Date of this level %c dump: %s", level,
		t == 0 ? "the epoch\n" : ctime(&t));
	t = (time_t)spcl.c_ddate;
 	msg("Date of last level %c dump: %s", lastlevel,
		t == 0 ? "the epoch\n" : ctime(&t));
	msg("Dumping %s ", disk);
	if (mount_point != NULL)
		msgtail("(%s) ", mount_point);
	if (host)
		msgtail("to %s on host %s\n", tape, host);
	else
		msgtail("to %s\n", tape);

	if ((diskfd = open(disk, O_RDONLY)) < 0) {
		msg("Cannot open %s\n", disk);
		exit(X_STARTUP);
	}
	sync();
	sblock = (struct fs *)sblock_buf;
	for (i = 0; sblock_try[i] != -1; i++) {
		ssize_t n = pread(diskfd, sblock, SBLOCKSIZE,
		    (off_t)sblock_try[i]);
		if (n == SBLOCKSIZE && (sblock->fs_magic == FS_UFS1_MAGIC ||
		     (sblock->fs_magic == FS_UFS2_MAGIC &&
		      sblock->fs_sblockloc == sblock_try[i])) &&
		    sblock->fs_bsize <= MAXBSIZE &&
		    sblock->fs_bsize >= sizeof(struct fs))
			break;
	}
	if (sblock_try[i] == -1)
		quit("Cannot find filesystem superblock\n");
	dev_bsize = sblock->fs_fsize / fsbtodb(sblock, 1);
	dev_bshift = ffs(dev_bsize) - 1;
	if (dev_bsize != (1 << dev_bshift))
		quit("dev_bsize (%d) is not a power of 2\n", dev_bsize);
	tp_bshift = ffs(TP_BSIZE) - 1;
	if (TP_BSIZE != (1 << tp_bshift))
		quit("TP_BSIZE (%d) is not a power of 2\n", TP_BSIZE);
#ifdef FS_44INODEFMT
	if (sblock->fs_magic == FS_UFS2_MAGIC ||
	    sblock->fs_inodefmt >= FS_44INODEFMT)
		spcl.c_flags |= DR_NEWINODEFMT;
#endif
	maxino = sblock->fs_ipg * sblock->fs_ncg;
	mapsize = roundup(howmany(maxino, NBBY), TP_BSIZE);
	usedinomap = (char *)calloc((unsigned) mapsize, sizeof(char));
	dumpdirmap = (char *)calloc((unsigned) mapsize, sizeof(char));
	dumpinomap = (char *)calloc((unsigned) mapsize, sizeof(char));
	tapesize = 3 * (howmany(mapsize * sizeof(char), TP_BSIZE) + 1);

	nonodump = spcl.c_level < honorlevel;

	(void)signal(SIGINFO, statussig);

	msg("mapping (Pass I) [regular files]\n");
	anydirskipped = mapfiles(maxino, &tapesize, toplevel,
	    (dirlist ? argv : NULL));

	msg("mapping (Pass II) [directories]\n");
	while (anydirskipped) {
		anydirskipped = mapdirs(maxino, &tapesize);
	}

	if (pipeout || unlimited) {
		tapesize += 10;	/* 10 trailer blocks */
		msg("estimated %lld tape blocks.\n", tapesize);
	} else {
		double fetapes;

		if (blocksperfile)
			fetapes = (double) tapesize / blocksperfile;
		else if (cartridge) {
			/* Estimate number of tapes, assuming streaming stops at
			   the end of each block written, and not in mid-block.
			   Assume no erroneous blocks; this can be compensated
			   for with an artificially low tape size. */
			fetapes =
			(	  tapesize	/* blocks */
				* TP_BSIZE	/* bytes/block */
				* (1.0/density)	/* 0.1" / byte */
			  +
				  tapesize	/* blocks */
				* (1.0/ntrec)	/* streaming-stops per block */
				* 15.48		/* 0.1" / streaming-stop */
			) * (1.0 / tsize );	/* tape / 0.1" */
		} else {
			/* Estimate number of tapes, for old fashioned 9-track
			   tape */
			int tenthsperirg = (density == 625) ? 3 : 7;
			fetapes =
			(	  tapesize	/* blocks */
				* TP_BSIZE	/* bytes / block */
				* (1.0/density)	/* 0.1" / byte */
			  +
				  tapesize	/* blocks */
				* (1.0/ntrec)	/* IRG's / block */
				* tenthsperirg	/* 0.1" / IRG */
			) * (1.0 / tsize );	/* tape / 0.1" */
		}
		etapes = fetapes;		/* truncating assignment */
		etapes++;
		/* count the dumped inodes map on each additional tape */
		tapesize += (etapes - 1) *
			(howmany(mapsize * sizeof(char), TP_BSIZE) + 1);
		tapesize += etapes + 10;	/* headers + 10 trailer blks */
		msg("estimated %lld tape blocks on %3.2f tape(s).\n",
		    tapesize, fetapes);
	}

	/*
	 * Allocate tape buffer.
	 */
	if (!alloctape())
		quit("can't allocate tape buffers - try a smaller blocking factor.\n");

	startnewtape(1);
	(void)time((time_t *)&(tstart_writing));
	xferrate = 0;
	dumpmap(usedinomap, TS_CLRI, maxino - 1);

	msg("dumping (Pass III) [directories]\n");
	dirty = 0;		/* XXX just to get gcc to shut up */
	for (map = dumpdirmap, ino = 1; ino < maxino; ino++) {
		if (((ino - 1) % NBBY) == 0)	/* map is offset by 1 */
			dirty = *map++;
		else
			dirty >>= 1;
		if ((dirty & 1) == 0)
			continue;
		/*
		 * Skip directory inodes deleted and maybe reallocated
		 */
		dp = getino(ino, &mode);
		if (mode != IFDIR)
			continue;
		(void)dumpino(dp, ino);
	}

	msg("dumping (Pass IV) [regular files]\n");
	for (map = dumpinomap, ino = 1; ino < maxino; ino++) {
		if (((ino - 1) % NBBY) == 0)	/* map is offset by 1 */
			dirty = *map++;
		else
			dirty >>= 1;
		if ((dirty & 1) == 0)
			continue;
		/*
		 * Skip inodes deleted and reallocated as directories.
		 */
		dp = getino(ino, &mode);
		if (mode == IFDIR)
			continue;
		(void)dumpino(dp, ino);
	}

	spcl.c_type = TS_END;
	for (i = 0; i < ntrec; i++)
		writeheader(maxino - 1);
	if (pipeout)
		msg("%lld tape blocks\n", spcl.c_tapea);
	else
		msg("%lld tape blocks on %d volume%s\n",
		    spcl.c_tapea, spcl.c_volume,
		    (spcl.c_volume == 1) ? "" : "s");
	t = (time_t)spcl.c_date;
	msg("Date of this level %c dump: %s", level,
	    t == 0 ? "the epoch\n" : ctime(&t));
	t = do_stats();
	msg("Date this dump completed:  %s", ctime(&t));
	msg("Average transfer rate: %ld KB/s\n", xferrate / tapeno);
	putdumptime();
	trewind();
	broadcast("DUMP IS DONE!\7\7\n");
	msg("DUMP IS DONE\n");
	Exit(X_FINOK);
	/* NOTREACHED */
}
示例#3
0
文件: join.c 项目: mulichao/freebsd
int
main(int argc, char *argv[])
{
	INPUT *F1, *F2;
	int aflag, ch, cval, vflag;
	char *end;

	setlocale(LC_ALL, "");

	F1 = &input1;
	F2 = &input2;

	aflag = vflag = 0;
	obsolete(argv);
	while ((ch = getopt(argc, argv, "\01a:e:j:1:2:o:t:v:")) != -1) {
		switch (ch) {
		case '\01':		/* See comment in obsolete(). */
			aflag = 1;
			F1->unpair = F2->unpair = 1;
			break;
		case '1':
			if ((F1->joinf = strtol(optarg, &end, 10)) < 1)
				errx(1, "-1 option field number less than 1");
			if (*end)
				errx(1, "illegal field number -- %s", optarg);
			--F1->joinf;
			break;
		case '2':
			if ((F2->joinf = strtol(optarg, &end, 10)) < 1)
				errx(1, "-2 option field number less than 1");
			if (*end)
				errx(1, "illegal field number -- %s", optarg);
			--F2->joinf;
			break;
		case 'a':
			aflag = 1;
			switch(strtol(optarg, &end, 10)) {
			case 1:
				F1->unpair = 1;
				break;
			case 2:
				F2->unpair = 1;
				break;
			default:
				errx(1, "-a option file number not 1 or 2");
				break;
			}
			if (*end)
				errx(1, "illegal file number -- %s", optarg);
			break;
		case 'e':
			empty = optarg;
			break;
		case 'j':
			if ((F1->joinf = F2->joinf =
			    strtol(optarg, &end, 10)) < 1)
				errx(1, "-j option field number less than 1");
			if (*end)
				errx(1, "illegal field number -- %s", optarg);
			--F1->joinf;
			--F2->joinf;
			break;
		case 'o':
			fieldarg(optarg);
			break;
		case 't':
			spans = 0;
			if (mbrtowc(&tabchar[0], optarg, MB_LEN_MAX, NULL) !=
			    strlen(optarg))
				errx(1, "illegal tab character specification");
			tabchar[1] = L'\0';
			break;
		case 'v':
			vflag = 1;
			joinout = 0;
			switch (strtol(optarg, &end, 10)) {
			case 1:
				F1->unpair = 1;
				break;
			case 2:
				F2->unpair = 1;
				break;
			default:
				errx(1, "-v option file number not 1 or 2");
				break;
			}
			if (*end)
				errx(1, "illegal file number -- %s", optarg);
			break;
		case '?':
		default:
			usage();
		}
	}
	argc -= optind;
	argv += optind;

	if (aflag && vflag)
		errx(1, "the -a and -v options are mutually exclusive");

	if (argc != 2)
		usage();

	/* Open the files; "-" means stdin. */
	if (!strcmp(*argv, "-"))
		F1->fp = stdin;
	else if ((F1->fp = fopen(*argv, "r")) == NULL)
		err(1, "%s", *argv);
	++argv;
	if (!strcmp(*argv, "-"))
		F2->fp = stdin;
	else if ((F2->fp = fopen(*argv, "r")) == NULL)
		err(1, "%s", *argv);
	if (F1->fp == stdin && F2->fp == stdin)
		errx(1, "only one input file may be stdin");

	slurp(F1);
	slurp(F2);
	while (F1->setcnt && F2->setcnt) {
		cval = cmp(F1->set, F1->joinf, F2->set, F2->joinf);
		if (cval == 0) {
			/* Oh joy, oh rapture, oh beauty divine! */
			if (joinout)
				joinlines(F1, F2);
			slurp(F1);
			slurp(F2);
		} else if (cval < 0) {
			/* File 1 takes the lead... */
			if (F1->unpair)
				joinlines(F1, NULL);
			slurp(F1);
		} else {
			/* File 2 takes the lead... */
			if (F2->unpair)
				joinlines(F2, NULL);
			slurp(F2);
		}
	}

	/*
	 * Now that one of the files is used up, optionally output any
	 * remaining lines from the other file.
	 */
	if (F1->unpair)
		while (F1->setcnt) {
			joinlines(F1, NULL);
			slurp(F1);
		}
	if (F2->unpair)
		while (F2->setcnt) {
			joinlines(F2, NULL);
			slurp(F2);
		}
	exit(0);
}
示例#4
0
文件: uniq.c 项目: Hooman3/freebsd
int
main (int argc, char *argv[])
{
	wchar_t *tprev, *tthis;
	FILE *ifp, *ofp;
	int ch, comp;
	size_t prevbuflen, thisbuflen, b1;
	char *prevline, *thisline, *p;
	const char *ifn;
	cap_rights_t rights;

	(void) setlocale(LC_ALL, "");

	obsolete(argv);
	while ((ch = getopt(argc, argv, "cdif:s:u")) != -1)
		switch (ch) {
		case 'c':
			cflag = 1;
			break;
		case 'd':
			dflag = 1;
			break;
		case 'i':
			iflag = 1;
			break;
		case 'f':
			numfields = strtol(optarg, &p, 10);
			if (numfields < 0 || *p)
				errx(1, "illegal field skip value: %s", optarg);
			break;
		case 's':
			numchars = strtol(optarg, &p, 10);
			if (numchars < 0 || *p)
				errx(1, "illegal character skip value: %s", optarg);
			break;
		case 'u':
			uflag = 1;
			break;
		case '?':
		default:
			usage();
		}

	argc -= optind;
	argv += optind;

	/* If no flags are set, default is -d -u. */
	if (cflag) {
		if (dflag || uflag)
			usage();
	} else if (!dflag && !uflag)
		dflag = uflag = 1;

	if (argc > 2)
		usage();

	ifp = stdin;
	ifn = "stdin";
	ofp = stdout;
	if (argc > 0 && strcmp(argv[0], "-") != 0)
		ifp = file(ifn = argv[0], "r");
	cap_rights_init(&rights, CAP_FSTAT, CAP_READ);
	if (cap_rights_limit(fileno(ifp), &rights) < 0 && errno != ENOSYS)
		err(1, "unable to limit rights for %s", ifn);
	cap_rights_init(&rights, CAP_FSTAT, CAP_WRITE);
	if (argc > 1)
		ofp = file(argv[1], "w");
	else
		cap_rights_set(&rights, CAP_IOCTL);
	if (cap_rights_limit(fileno(ofp), &rights) < 0 && errno != ENOSYS) {
		err(1, "unable to limit rights for %s",
		    argc > 1 ? argv[1] : "stdout");
	}
	if (cap_rights_is_set(&rights, CAP_IOCTL)) {
		unsigned long cmd;

		cmd = TIOCGETA; /* required by isatty(3) in printf(3) */

		if (cap_ioctls_limit(fileno(ofp), &cmd, 1) < 0 &&
		    errno != ENOSYS) {
			err(1, "unable to limit ioctls for %s",
			    argc > 1 ? argv[1] : "stdout");
		}
	}

	strerror_init();
	if (cap_enter() < 0 && errno != ENOSYS)
		err(1, "unable to enter capability mode");

	prevbuflen = thisbuflen = 0;
	prevline = thisline = NULL;

	if (getline(&prevline, &prevbuflen, ifp) < 0) {
		if (ferror(ifp))
			err(1, "%s", ifn);
		exit(0);
	}
	tprev = convert(prevline);

	if (!cflag && uflag && dflag)
		show(ofp, prevline);

	tthis = NULL;
	while (getline(&thisline, &thisbuflen, ifp) >= 0) {
		if (tthis != NULL)
			free(tthis);
		tthis = convert(thisline);

		if (tthis == NULL && tprev == NULL)
			comp = inlcmp(thisline, prevline);
		else if (tthis == NULL || tprev == NULL)
			comp = 1;
		else
			comp = wcscoll(tthis, tprev);

		if (comp) {
			/* If different, print; set previous to new value. */
			if (cflag || !dflag || !uflag)
				show(ofp, prevline);
			p = prevline;
			b1 = prevbuflen;
			prevline = thisline;
			prevbuflen = thisbuflen;
			if (tprev != NULL)
				free(tprev);
			tprev = tthis;
			if (!cflag && uflag && dflag)
				show(ofp, prevline);
			thisline = p;
			thisbuflen = b1;
			tthis = NULL;
			repeats = 0;
		} else
			++repeats;
	}
	if (ferror(ifp))
		err(1, "%s", ifn);
	if (cflag || !dflag || !uflag)
		show(ofp, prevline);
	exit(0);
}
示例#5
0
文件: tail.c 项目: coyizumi/cs111
int
main(int argc, char *argv[])
{
	struct stat sb;
	const char *fn;
	FILE *fp;
	off_t off;
	enum STYLE style;
	int i, ch, first;
	file_info_t *file;
	char *p;

	/*
	 * Tail's options are weird.  First, -n10 is the same as -n-10, not
	 * -n+10.  Second, the number options are 1 based and not offsets,
	 * so -n+1 is the first line, and -c-1 is the last byte.  Third, the
	 * number options for the -r option specify the number of things that
	 * get displayed, not the starting point in the file.  The one major
	 * incompatibility in this version as compared to historical versions
	 * is that the 'r' option couldn't be modified by the -lbc options,
	 * i.e. it was always done in lines.  This version treats -rc as a
	 * number of characters in reverse order.  Finally, the default for
	 * -r is the entire file, not 10 lines.
	 */
#define	ARG(units, forward, backward) {					\
	if (style)							\
		usage();						\
	off = strtoll(optarg, &p, 10) * (units);                        \
	if (*p)								\
		errx(1, "illegal offset -- %s", optarg);		\
	switch(optarg[0]) {						\
	case '+':							\
		if (off)						\
			off -= (units);					\
			style = (forward);				\
		break;							\
	case '-':							\
		off = -off;						\
		/* FALLTHROUGH */					\
	default:							\
		style = (backward);					\
		break;							\
	}								\
}

	obsolete(argv);
	style = NOTSET;
	off = 0;
	while ((ch = getopt(argc, argv, "Fb:c:fn:qr")) != -1)
		switch(ch) {
		case 'F':	/* -F is superset of (and implies) -f */
			Fflag = fflag = 1;
			break;
		case 'b':
			ARG(512, FBYTES, RBYTES);
			break;
		case 'c':
			ARG(1, FBYTES, RBYTES);
			break;
		case 'f':
			fflag = 1;
			break;
		case 'n':
			ARG(1, FLINES, RLINES);
			break;
		case 'q':
			qflag = 1;
			break;
		case 'r':
			rflag = 1;
			break;
		case '?':
		default:
			usage();
		}
	argc -= optind;
	argv += optind;

	no_files = argc ? argc : 1;

	/*
	 * If displaying in reverse, don't permit follow option, and convert
	 * style values.
	 */
	if (rflag) {
		if (fflag)
			usage();
		if (style == FBYTES)
			style = RBYTES;
		else if (style == FLINES)
			style = RLINES;
	}

	/*
	 * If style not specified, the default is the whole file for -r, and
	 * the last 10 lines if not -r.
	 */
	if (style == NOTSET) {
		if (rflag) {
			off = 0;
			style = REVERSE;
		} else {
			off = 10;
			style = RLINES;
		}
	}

	if (*argv && fflag) {
		files = (struct file_info *) malloc(no_files *
		    sizeof(struct file_info));
		if (!files)
			err(1, "Couldn't malloc space for file descriptors.");

		for (file = files; (fn = *argv++); file++) {
			file->file_name = strdup(fn);
			if (! file->file_name)
				errx(1, "Couldn't malloc space for file name.");
			if ((file->fp = fopen(file->file_name, "r")) == NULL ||
			    fstat(fileno(file->fp), &file->st)) {
				if (file->fp != NULL) {
					fclose(file->fp);
					file->fp = NULL;
				}
				if (!Fflag || errno != ENOENT)
					ierr(file->file_name);
			}
		}
		follow(files, style, off);
		for (i = 0, file = files; i < no_files; i++, file++) {
		    free(file->file_name);
		}
		free(files);
	} else if (*argv) {
		for (first = 1; (fn = *argv++);) {
			if ((fp = fopen(fn, "r")) == NULL ||
			    fstat(fileno(fp), &sb)) {
				ierr(fn);
				continue;
			}
			if (argc > 1 && !qflag) {
				printfn(fn, !first);
				first = 0;
			}

			if (rflag)
				reverse(fp, fn, style, off, &sb);
			else
				forward(fp, fn, style, off, &sb);
		}
	} else {
		fn = "stdin";

		if (fstat(fileno(stdin), &sb)) {
			ierr(fn);
			exit(1);
		}

		/*
		 * Determine if input is a pipe.  4.4BSD will set the SOCKET
		 * bit in the st_mode field for pipes.  Fix this then.
		 */
		if (lseek(fileno(stdin), (off_t)0, SEEK_CUR) == -1 &&
		    errno == ESPIPE) {
			errno = 0;
			fflag = 0;		/* POSIX.2 requires this. */
		}

		if (rflag)
			reverse(stdin, fn, style, off, &sb);
		else
			forward(stdin, fn, style, off, &sb);
	}
	exit(rval);
}
示例#6
0
int
main(int argc, char *argv[])
{
#ifdef TIOCGWINSZ
	struct winsize win;
#endif
	int ch, noinit, noset, quiet, Sflag, sflag, showterm, usingupper;
	char *p, *tcapbuf;
	const char *ttype;

	if (tcgetattr(STDERR_FILENO, &mode) < 0)
		err(1, "standard error");

	oldmode = mode;
	Ospeed = cfgetospeed(&mode);

	if ((p = strrchr(*argv, '/')))
		++p;
	else
		p = *argv;
	usingupper = isupper(*p);
	if (!strcasecmp(p, "reset")) {
		isreset = 1;
		reset_mode();
	}

	obsolete(argv);
	noinit = noset = quiet = Sflag = sflag = showterm = 0;
	while ((ch = getopt(argc, argv, "-a:d:e:Ii:k:m:np:QSrs")) != -1) {
		switch (ch) {
		case '-':		/* display term only */
			noset = 1;
			break;
		case 'a':		/* OBSOLETE: map identifier to type */
			add_mapping("arpanet", optarg);
			break;
		case 'd':		/* OBSOLETE: map identifier to type */
			add_mapping("dialup", optarg);
			break;
		case 'e':		/* erase character */
			erasech = optarg[0] == '^' && optarg[1] != '\0' ?
			    optarg[1] == '?' ? '\177' : CTRL(optarg[1]) :
			    optarg[0];
			break;
		case 'I':		/* no initialization strings */
			noinit = 1;
			break;
		case 'i':		/* interrupt character */
			intrchar = optarg[0] == '^' && optarg[1] != '\0' ?
			    optarg[1] == '?' ? '\177' : CTRL(optarg[1]) :
			    optarg[0];
			break;
		case 'k':		/* kill character */
			killch = optarg[0] == '^' && optarg[1] != '\0' ?
			    optarg[1] == '?' ? '\177' : CTRL(optarg[1]) :
			    optarg[0];
			break;
		case 'm':		/* map identifier to type */
			add_mapping(NULL, optarg);
			break;
		case 'n':		/* OBSOLETE: set new tty driver */
			break;
		case 'p':		/* OBSOLETE: map identifier to type */
			add_mapping("plugboard", optarg);
			break;
		case 'Q':		/* don't output control key settings */
			quiet = 1;
			break;
		case 'S':		/* output TERM/TERMCAP strings */
			Sflag = 1;
			break;
		case 'r':		/* display term on stderr */
			showterm = 1;
			break;
		case 's':		/* output TERM/TERMCAP strings */
			sflag = 1;
			break;
		case '?':
		default:
			usage();
		}
	}
	argc -= optind;
	argv += optind;

	if (argc > 1)
		usage();

	ttype = get_termcap_entry(*argv, &tcapbuf);

	if (!noset) {
		Columns = tgetnum("co");
		Lines = tgetnum("li");

#ifdef TIOCGWINSZ
		/* Set window size */
		(void)ioctl(STDERR_FILENO, TIOCGWINSZ, &win);
		if (win.ws_row == 0 && win.ws_col == 0 &&
		    Lines > 0 && Columns > 0) {
			win.ws_row = Lines;
			win.ws_col = Columns;
			(void)ioctl(STDERR_FILENO, TIOCSWINSZ, &win);
		}
#endif
		set_control_chars();
		set_conversions(usingupper);

		if (!noinit)
			set_init();

		/* Set the modes if they've changed. */
		if (memcmp(&mode, &oldmode, sizeof(mode)))
			tcsetattr(STDERR_FILENO, TCSADRAIN, &mode);
	}

	if (noset)
		(void)printf("%s\n", ttype);
	else {
		if (showterm)
			(void)fprintf(stderr, "Terminal type is %s.\n", ttype);
		/*
		 * If erase, kill and interrupt characters could have been
		 * modified and not -Q, display the changes.
		 */
		if (!quiet) {
			report("Erase", VERASE, CERASE);
			report("Kill", VKILL, CKILL);
			report("Interrupt", VINTR, CINTR);
		}
	}

	if (Sflag) {
		(void)printf("%s ", ttype);
		if (strlen(tcapbuf) > 0)
			wrtermcap(tcapbuf);
	}

	if (sflag) {
		/*
		 * Figure out what shell we're using.  A hack, we look for an
		 * environmental variable SHELL ending in "csh".
		 */
		if ((p = getenv("SHELL")) &&
		    !strcmp(p + strlen(p) - 3, "csh")) {
			printf("set noglob;\nsetenv TERM %s;\n", ttype);
			if (strlen(tcapbuf) > 0) {
				printf("setenv TERMCAP '");
				wrtermcap(tcapbuf);
				printf("';\n");
			}
			printf("unset noglob;\n");
		} else {
			printf("TERM=%s;\n", ttype);
			if (strlen(tcapbuf) > 0) {
				printf("TERMCAP='");
				wrtermcap(tcapbuf);
				printf("';\nexport TERMCAP;\n");
			}
			printf("export TERM;\n");
		}
	}

	exit(0);
}
示例#7
0
int
main(int argc, char **argv)
{
	int ch;
	ufs1_ino_t ino;
	char *inputdev;
	char *symtbl = "./restoresymtable";
	char *p, name[MAXPATHLEN];

	/* Temp files should *not* be readable.  We set permissions later. */
	umask(077);

	if (argc < 2)
		usage();

	if ((inputdev = getenv("TAPE")) == NULL)
		inputdev = _PATH_DEFTAPE;
	obsolete(&argc, &argv);
#ifdef KERBEROS
#define	optlist "b:cdf:hikmNRrs:tuvxy"
#else
#define	optlist "b:cdf:himNRrs:tuvxy"
#endif
	while ((ch = getopt(argc, argv, optlist)) != -1)
		switch(ch) {
		case 'b':
			/* Change default tape blocksize. */
			bflag = 1;
			ntrec = strtol(optarg, &p, 10);
			if (*p)
				errx(1, "illegal blocksize -- %s", optarg);
			if (ntrec <= 0)
				errx(1, "block size must be greater than 0");
			break;
		case 'c':
			cvtflag = 1;
			break;
		case 'd':
			dflag = 1;
			break;
		case 'f':
			inputdev = optarg;
			break;
		case 'h':
			hflag = 0;
			break;
#ifdef KERBEROS
		case 'k':
			dokerberos = 1;
			break;
#endif
		case 'i':
		case 'R':
		case 'r':
		case 't':
		case 'x':
			if (command != '\0')
				errx(1,
				    "%c and %c options are mutually exclusive",
				    ch, command);
			command = ch;
			break;
		case 'm':
			mflag = 0;
			break;
		case 'N':
			Nflag = 1;
			break;
		case 's':
			/* Dumpnum (skip to) for multifile dump tapes. */
			dumpnum = strtol(optarg, &p, 10);
			if (*p)
				errx(1, "illegal dump number -- %s", optarg);
			if (dumpnum <= 0)
				errx(1, "dump number must be greater than 0");
			break;
		case 'u':
			uflag = 1;
			break;
		case 'v':
			vflag = 1;
			break;
		case 'y':
			yflag = 1;
			break;
		default:
			usage();
		}
	argc -= optind;
	argv += optind;

	if (command == '\0')
		errx(1, "none of i, R, r, t or x options specified");

	if (signal(SIGINT, onintr) == SIG_IGN)
		signal(SIGINT, SIG_IGN);
	if (signal(SIGTERM, onintr) == SIG_IGN)
		signal(SIGTERM, SIG_IGN);
	setlinebuf(stderr);

	setinput(inputdev);

	if (argc == 0) {
		argc = 1;
		*--argv = ".";
	}

	switch (command) {
	/*
	 * Interactive mode.
	 */
	case 'i':
		setup();
		extractdirs(1);
		initsymtable(NULL);
		runcmdshell();
		break;
	/*
	 * Incremental restoration of a file system.
	 */
	case 'r':
		setup();
		if (dumptime > 0) {
			/*
			 * This is an incremental dump tape.
			 */
			vprintf(stdout, "Begin incremental restore\n");
			initsymtable(symtbl);
			extractdirs(1);
			removeoldleaves();
			vprintf(stdout, "Calculate node updates.\n");
			treescan(".", ROOTINO, nodeupdates);
			findunreflinks();
			removeoldnodes();
		} else {
			/*
			 * This is a level zero dump tape.
			 */
			vprintf(stdout, "Begin level 0 restore\n");
			initsymtable(NULL);
			extractdirs(1);
			vprintf(stdout, "Calculate extraction list.\n");
			treescan(".", ROOTINO, nodeupdates);
		}
		createleaves(symtbl);
		createlinks();
		setdirmodes(FORCE);
		checkrestore();
		if (dflag) {
			vprintf(stdout, "Verify the directory structure\n");
			treescan(".", ROOTINO, verifyfile);
		}
		dumpsymtable(symtbl, (long)1);
		break;
	/*
	 * Resume an incremental file system restoration.
	 */
	case 'R':
		initsymtable(symtbl);
		skipmaps();
		skipdirs();
		createleaves(symtbl);
		createlinks();
		setdirmodes(FORCE);
		checkrestore();
		dumpsymtable(symtbl, (long)1);
		break;
	/*
	 * List contents of tape.
	 */
	case 't':
		setup();
		extractdirs(0);
		initsymtable(NULL);
		while (argc--) {
			canon(*argv++, name, sizeof(name));
			ino = dirlookup(name);
			if (ino == 0)
				continue;
			treescan(name, ino, listfile);
		}
		break;
	/*
	 * Batch extraction of tape contents.
	 */
	case 'x':
		setup();
		extractdirs(1);
		initsymtable(NULL);
		while (argc--) {
			canon(*argv++, name, sizeof(name));
			ino = dirlookup(name);
			if (ino == 0)
				continue;
			if (mflag)
				pathcheck(name);
			treescan(name, ino, addfile);
		}
		createfiles();
		createlinks();
		setdirmodes(0);
		if (dflag)
			checkrestore();
		break;
	}
	done(0);
	/* NOTREACHED */
}
示例#8
0
int
main(int argc, char *argv[])
{
	struct stat sb;
	ino_t ino;
	int dirty;
	union dinode *dp;
	struct fstab *dt;
	char *map, *mntpt;
	int ch, mode, mntflags;
	int i, anydirskipped, bflag = 0, Tflag = 0, honorlevel = 1;
	int just_estimate = 0;
	ino_t maxino;
	char *tmsg;

	spcl.c_date = _time_to_time64(time(NULL));

	tsize = 0;	/* Default later, based on 'c' option for cart tapes */
	dumpdates = _PATH_DUMPDATES;
	popenout = NULL;
	tape = NULL;
	temp = _PATH_DTMP;
	if (TP_BSIZE / DEV_BSIZE == 0 || TP_BSIZE % DEV_BSIZE != 0)
		quit("TP_BSIZE must be a multiple of DEV_BSIZE\n");
	level = 0;
	rsync_friendly = 0;

	if (argc < 2)
		usage();

	obsolete(&argc, &argv);
	while ((ch = getopt(argc, argv,
	    "0123456789aB:b:C:cD:d:f:h:LnP:RrSs:T:uWw")) != -1)
		switch (ch) {
		/* dump level */
		case '0': case '1': case '2': case '3': case '4':
		case '5': case '6': case '7': case '8': case '9':
			level = 10 * level + ch - '0';
			break;

		case 'a':		/* `auto-size', Write to EOM. */
			unlimited = 1;
			break;

		case 'B':		/* blocks per output file */
			blocksperfile = numarg("number of blocks per file",
			    1L, 0L);
			break;

		case 'b':		/* blocks per tape write */
			ntrec = numarg("number of blocks per write",
			    1L, 1000L);
			break;

		case 'C':
			cachesize = numarg("cachesize", 0, 0) * 1024 * 1024;
			break;

		case 'c':		/* Tape is cart. not 9-track */
			cartridge = 1;
			break;

		case 'D':
			dumpdates = optarg;
			break;

		case 'd':		/* density, in bits per inch */
			density = numarg("density", 10L, 327670L) / 10;
			if (density >= 625 && !bflag)
				ntrec = HIGHDENSITYTREC;
			break;

		case 'f':		/* output file */
			if (popenout != NULL)
				errx(X_STARTUP, "You cannot use the P and f "
				    "flags together.\n");
			tape = optarg;
			break;

		case 'h':
			honorlevel = numarg("honor level", 0L, 10L);
			break;

		case 'L':
			snapdump = 1;
			break;

		case 'n':		/* notify operators */
			notify = 1;
			break;

		case 'P':
			if (tape != NULL)
				errx(X_STARTUP, "You cannot use the P and f "
				    "flags together.\n");
			popenout = optarg;
			break;

		case 'r': /* store slightly less data to be friendly to rsync */
			if (rsync_friendly < 1)
				rsync_friendly = 1;
			break;

		case 'R': /* store even less data to be friendlier to rsync */
			if (rsync_friendly < 2)
				rsync_friendly = 2;
			break;

		case 'S':               /* exit after estimating # of tapes */
			just_estimate = 1;
			break;

		case 's':		/* tape size, feet */
			tsize = numarg("tape size", 1L, 0L) * 12 * 10;
			break;

		case 'T':		/* time of last dump */
			spcl.c_ddate = unctime(optarg);
			if (spcl.c_ddate < 0) {
				(void)fprintf(stderr, "bad time \"%s\"\n",
				    optarg);
				exit(X_STARTUP);
			}
			Tflag = 1;
			lastlevel = -1;
			break;

		case 'u':		/* update /etc/dumpdates */
			uflag = 1;
			break;

		case 'W':		/* what to do */
		case 'w':
			lastdump(ch);
			exit(X_FINOK);	/* do nothing else */

		default:
			usage();
		}
	argc -= optind;
	argv += optind;

	if (argc < 1) {
		(void)fprintf(stderr, "Must specify disk or file system\n");
		exit(X_STARTUP);
	}
	disk = *argv++;
	argc--;
	if (argc >= 1) {
		(void)fprintf(stderr, "Unknown arguments to dump:");
		while (argc--)
			(void)fprintf(stderr, " %s", *argv++);
		(void)fprintf(stderr, "\n");
		exit(X_STARTUP);
	}
	if (rsync_friendly && (level > 0)) {
		(void)fprintf(stderr, "%s %s\n", "rsync friendly options",
		    "can be used only with level 0 dumps.");
		exit(X_STARTUP);
	}
	if (Tflag && uflag) {
	        (void)fprintf(stderr,
		    "You cannot use the T and u flags together.\n");
		exit(X_STARTUP);
	}
	if (popenout) {
		tape = "child pipeline process";
	} else if (tape == NULL && (tape = getenv("TAPE")) == NULL)
		tape = _PATH_DEFTAPE;
	if (strcmp(tape, "-") == 0) {
		pipeout++;
		tape = "standard output";
	}

	if (blocksperfile)
		blocksperfile = blocksperfile / ntrec * ntrec; /* round down */
	else if (!unlimited) {
		/*
		 * Determine how to default tape size and density
		 *
		 *         	density				tape size
		 * 9-track	1600 bpi (160 bytes/.1")	2300 ft.
		 * 9-track	6250 bpi (625 bytes/.1")	2300 ft.
		 * cartridge	8000 bpi (100 bytes/.1")	1700 ft.
		 *						(450*4 - slop)
		 * hilit19 hits again: "
		 */
		if (density == 0)
			density = cartridge ? 100 : 160;
		if (tsize == 0)
			tsize = cartridge ? 1700L*120L : 2300L*120L;
	}

	if (strchr(tape, ':')) {
		host = tape;
		tape = strchr(host, ':');
		*tape++ = '\0';
#ifdef RDUMP
		if (index(tape, '\n')) {
		    (void)fprintf(stderr, "invalid characters in tape\n");
		    exit(X_STARTUP);
		}
		if (rmthost(host) == 0)
			exit(X_STARTUP);
#else
		(void)fprintf(stderr, "remote dump not enabled\n");
		exit(X_STARTUP);
#endif
	}
	(void)setuid(getuid()); /* rmthost() is the only reason to be setuid */

	if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
		signal(SIGHUP, sig);
	if (signal(SIGTRAP, SIG_IGN) != SIG_IGN)
		signal(SIGTRAP, sig);
	if (signal(SIGFPE, SIG_IGN) != SIG_IGN)
		signal(SIGFPE, sig);
	if (signal(SIGBUS, SIG_IGN) != SIG_IGN)
		signal(SIGBUS, sig);
	if (signal(SIGSEGV, SIG_IGN) != SIG_IGN)
		signal(SIGSEGV, sig);
	if (signal(SIGTERM, SIG_IGN) != SIG_IGN)
		signal(SIGTERM, sig);
	if (signal(SIGINT, interrupt) == SIG_IGN)
		signal(SIGINT, SIG_IGN);

	dump_getfstab();	/* /etc/fstab snarfed */
	/*
	 *	disk can be either the full special file name,
	 *	the suffix of the special file name,
	 *	the special name missing the leading '/',
	 *	the file system name with or without the leading '/'.
	 */
	dt = fstabsearch(disk);
	if (dt != NULL) {
		disk = rawname(dt->fs_spec);
 		if (disk == NULL)
 			errx(X_STARTUP, "%s: unknown file system", dt->fs_spec);
		(void)strncpy(spcl.c_dev, dt->fs_spec, NAMELEN);
		(void)strncpy(spcl.c_filesys, dt->fs_file, NAMELEN);
	} else {
		(void)strncpy(spcl.c_dev, disk, NAMELEN);
		(void)strncpy(spcl.c_filesys, "an unlisted file system",
		    NAMELEN);
	}
	spcl.c_dev[NAMELEN-1]='\0';
	spcl.c_filesys[NAMELEN-1]='\0';

	if ((mntpt = getmntpt(disk, &mntflags)) != 0) {
		if (mntflags & MNT_RDONLY) {
			if (snapdump != 0) {
				msg("WARNING: %s\n",
				    "-L ignored for read-only filesystem.");
				snapdump = 0;
			}
		} else if (snapdump == 0) {
			msg("WARNING: %s\n",
			    "should use -L when dumping live read-write "
			    "filesystems!");
		} else {
			char snapname[BUFSIZ], snapcmd[BUFSIZ];

			snprintf(snapname, sizeof snapname, "%s/.snap", mntpt);
			if ((stat(snapname, &sb) < 0) || !S_ISDIR(sb.st_mode)) {
				msg("WARNING: %s %s\n",
				    "-L requested but snapshot location",
				    snapname);
				msg("         %s: %s\n",
				    "is not a directory",
				    "dump downgraded, -L ignored");
				snapdump = 0;
			} else {
				snprintf(snapname, sizeof snapname,
				    "%s/.snap/dump_snapshot", mntpt);
				snprintf(snapcmd, sizeof snapcmd, "%s %s %s",
				    _PATH_MKSNAP_FFS, mntpt, snapname);
				unlink(snapname);
				if (system(snapcmd) != 0)
					errx(X_STARTUP, "Cannot create %s: %s\n",
					    snapname, strerror(errno));
				if ((diskfd = open(snapname, O_RDONLY)) < 0) {
					unlink(snapname);
					errx(X_STARTUP, "Cannot open %s: %s\n",
					    snapname, strerror(errno));
				}
				unlink(snapname);
				if (fstat(diskfd, &sb) != 0)
					err(X_STARTUP, "%s: stat", snapname);
				spcl.c_date = _time_to_time64(sb.st_mtime);
			}
		}
	} else if (snapdump != 0) {
		msg("WARNING: Cannot use -L on an unmounted filesystem.\n");
		snapdump = 0;
	}
	if (snapdump == 0) {
		if ((diskfd = open(disk, O_RDONLY)) < 0)
			err(X_STARTUP, "Cannot open %s", disk);
		if (fstat(diskfd, &sb) != 0)
			err(X_STARTUP, "%s: stat", disk);
		if (S_ISDIR(sb.st_mode))
			errx(X_STARTUP, "%s: unknown file system", disk);
	}

	(void)strcpy(spcl.c_label, "none");
	(void)gethostname(spcl.c_host, NAMELEN);
	spcl.c_level = level;
	spcl.c_type = TS_TAPE;
	if (rsync_friendly) {
		/* don't store real dump times */
		spcl.c_date = 0;
		spcl.c_ddate = 0;
	}
	if (spcl.c_date == 0) {
		tmsg = "the epoch\n";
	} else {
		time_t t = _time64_to_time(spcl.c_date);
		tmsg = ctime(&t);
	}
	msg("Date of this level %d dump: %s", level, tmsg);

	if (!Tflag && (!rsync_friendly))
	        getdumptime();		/* /etc/dumpdates snarfed */
	if (spcl.c_ddate == 0) {
		tmsg = "the epoch\n";
	} else {
		time_t t = _time64_to_time(spcl.c_ddate);
		tmsg = ctime(&t);
	}
	if (lastlevel < 0)
		msg("Date of last (level unknown) dump: %s", tmsg);
	else
		msg("Date of last level %d dump: %s", lastlevel, tmsg);

	msg("Dumping %s%s ", snapdump ? "snapshot of ": "", disk);
	if (dt != NULL)
		msgtail("(%s) ", dt->fs_file);
	if (host)
		msgtail("to %s on host %s\n", tape, host);
	else
		msgtail("to %s\n", tape);

	sync();
	sblock = (struct fs *)sblock_buf;
	for (i = 0; sblock_try[i] != -1; i++) {
		sblock->fs_fsize = SBLOCKSIZE; /* needed in bread */
		bread(sblock_try[i] >> dev_bshift, (char *) sblock, SBLOCKSIZE);
		if ((sblock->fs_magic == FS_UFS1_MAGIC ||
		     (sblock->fs_magic == FS_UFS2_MAGIC &&
		      sblock->fs_sblockloc == sblock_try[i])) &&
		    sblock->fs_bsize <= MAXBSIZE &&
		    sblock->fs_bsize >= sizeof(struct fs))
			break;
	}
	if (sblock_try[i] == -1)
		quit("Cannot find file system superblock\n");
	dev_bsize = sblock->fs_fsize / fsbtodb(sblock, 1);
	dev_bshift = ffs(dev_bsize) - 1;
	if (dev_bsize != (1 << dev_bshift))
		quit("dev_bsize (%ld) is not a power of 2", dev_bsize);
	tp_bshift = ffs(TP_BSIZE) - 1;
	if (TP_BSIZE != (1 << tp_bshift))
		quit("TP_BSIZE (%d) is not a power of 2", TP_BSIZE);
	maxino = sblock->fs_ipg * sblock->fs_ncg;
	mapsize = roundup(howmany(maxino, CHAR_BIT), TP_BSIZE);
	usedinomap = (char *)calloc((unsigned) mapsize, sizeof(char));
	dumpdirmap = (char *)calloc((unsigned) mapsize, sizeof(char));
	dumpinomap = (char *)calloc((unsigned) mapsize, sizeof(char));
	tapesize = 3 * (howmany(mapsize * sizeof(char), TP_BSIZE) + 1);

	nonodump = spcl.c_level < honorlevel;

	passno = 1;
	setproctitle("%s: pass 1: regular files", disk);
	msg("mapping (Pass I) [regular files]\n");
	anydirskipped = mapfiles(maxino, &tapesize);

	passno = 2;
	setproctitle("%s: pass 2: directories", disk);
	msg("mapping (Pass II) [directories]\n");
	while (anydirskipped) {
		anydirskipped = mapdirs(maxino, &tapesize);
	}

	if (pipeout || unlimited) {
		tapesize += 10;	/* 10 trailer blocks */
		msg("estimated %ld tape blocks.\n", tapesize);
	} else {
		double fetapes;

		if (blocksperfile)
			fetapes = (double) tapesize / blocksperfile;
		else if (cartridge) {
			/* Estimate number of tapes, assuming streaming stops at
			   the end of each block written, and not in mid-block.
			   Assume no erroneous blocks; this can be compensated
			   for with an artificially low tape size. */
			fetapes =
			(	  (double) tapesize	/* blocks */
				* TP_BSIZE	/* bytes/block */
				* (1.0/density)	/* 0.1" / byte " */
			  +
				  (double) tapesize	/* blocks */
				* (1.0/ntrec)	/* streaming-stops per block */
				* 15.48		/* 0.1" / streaming-stop " */
			) * (1.0 / tsize );	/* tape / 0.1" " */
		} else {
			/* Estimate number of tapes, for old fashioned 9-track
			   tape */
			int tenthsperirg = (density == 625) ? 3 : 7;
			fetapes =
			(	  (double) tapesize	/* blocks */
				* TP_BSIZE	/* bytes / block */
				* (1.0/density)	/* 0.1" / byte " */
			  +
				  (double) tapesize	/* blocks */
				* (1.0/ntrec)	/* IRG's / block */
				* tenthsperirg	/* 0.1" / IRG " */
			) * (1.0 / tsize );	/* tape / 0.1" " */
		}
		etapes = fetapes;		/* truncating assignment */
		etapes++;
		/* count the dumped inodes map on each additional tape */
		tapesize += (etapes - 1) *
			(howmany(mapsize * sizeof(char), TP_BSIZE) + 1);
		tapesize += etapes + 10;	/* headers + 10 trailer blks */
		msg("estimated %ld tape blocks on %3.2f tape(s).\n",
		    tapesize, fetapes);
	}

        /*
         * If the user only wants an estimate of the number of
         * tapes, exit now.
         */
        if (just_estimate)
                exit(0);

	/*
	 * Allocate tape buffer.
	 */
	if (!alloctape())
		quit(
	"can't allocate tape buffers - try a smaller blocking factor.\n");

	startnewtape(1);
	(void)time((time_t *)&(tstart_writing));
	dumpmap(usedinomap, TS_CLRI, maxino - 1);

	passno = 3;
	setproctitle("%s: pass 3: directories", disk);
	msg("dumping (Pass III) [directories]\n");
	dirty = 0;		/* XXX just to get gcc to shut up */
	for (map = dumpdirmap, ino = 1; ino < maxino; ino++) {
		if (((ino - 1) % CHAR_BIT) == 0)	/* map is offset by 1 */
			dirty = *map++;
		else
			dirty >>= 1;
		if ((dirty & 1) == 0)
			continue;
		/*
		 * Skip directory inodes deleted and maybe reallocated
		 */
		dp = getino(ino, &mode);
		if (mode != IFDIR)
			continue;
		(void)dumpino(dp, ino);
	}

	passno = 4;
	setproctitle("%s: pass 4: regular files", disk);
	msg("dumping (Pass IV) [regular files]\n");
	for (map = dumpinomap, ino = 1; ino < maxino; ino++) {
		if (((ino - 1) % CHAR_BIT) == 0)	/* map is offset by 1 */
			dirty = *map++;
		else
			dirty >>= 1;
		if ((dirty & 1) == 0)
			continue;
		/*
		 * Skip inodes deleted and reallocated as directories.
		 */
		dp = getino(ino, &mode);
		if (mode == IFDIR)
			continue;
		(void)dumpino(dp, ino);
	}

	(void)time((time_t *)&(tend_writing));
	spcl.c_type = TS_END;
	for (i = 0; i < ntrec; i++)
		writeheader(maxino - 1);
	if (pipeout)
		msg("DUMP: %jd tape blocks\n", (intmax_t)spcl.c_tapea);
	else
		msg("DUMP: %jd tape blocks on %d volume%s\n",
		    (intmax_t)spcl.c_tapea, spcl.c_volume,
		    (spcl.c_volume == 1) ? "" : "s");

	/* report dump performance, avoid division through zero */
	if (tend_writing - tstart_writing == 0)
		msg("finished in less than a second\n");
	else
		msg("finished in %jd seconds, throughput %jd KBytes/sec\n",
		    (intmax_t)tend_writing - tstart_writing, 
		    (intmax_t)(spcl.c_tapea / 
		    (tend_writing - tstart_writing)));

	putdumptime();
	trewind();
	broadcast("DUMP IS DONE!\a\a\n");
	msg("DUMP IS DONE\n");
	Exit(X_FINOK);
	/* NOTREACHED */
}
示例#9
0
文件: head.c 项目: ryo/netbsd-src
int
main(int argc, char *argv[])
{
	int ch;
	FILE *fp;
	int first;
	intmax_t linecnt;
	intmax_t bytecnt;
	char *ep;
	int eval = 0;
	int qflag = 0;
	int vflag = 0;

	(void)setlocale(LC_ALL, "");
	obsolete(argv);
	linecnt = 10;
	bytecnt = 0;
	while ((ch = getopt(argc, argv, "c:n:qv")) != -1)
		switch(ch) {
		case 'c':
			errno = 0;
			bytecnt = strtoimax(optarg, &ep, 10);
			if ((bytecnt == INTMAX_MAX && errno == ERANGE) ||
			    *ep || bytecnt <= 0)
				errx(1, "illegal byte count -- %s", optarg);
			break;

		case 'n':
			errno = 0;
			linecnt = strtoimax(optarg, &ep, 10);
			if ((linecnt == INTMAX_MAX && errno == ERANGE) ||
			    *ep || linecnt <= 0)
				errx(1, "illegal line count -- %s", optarg);
			break;

		case 'q':
			qflag = 1;
			vflag = 0;
			break;

		case 'v':
			qflag = 0;
			vflag = 1;
			break;

		case '?':
		default:
			usage();
		}
	argc -= optind;
	argv += optind;

	if (*argv)
		for (first = 1; *argv; ++argv) {
			if ((fp = fopen(*argv, "r")) == NULL) {
				warn("%s", *argv);
				eval = 1;
				continue;
			}
			if (vflag || (qflag == 0 && argc > 1)) {
				(void)printf("%s==> %s <==\n",
				    first ? "" : "\n", *argv);
				first = 0;
			}
			head(fp, linecnt, bytecnt);
			(void)fclose(fp);
		}
	else
		head(stdin, linecnt, bytecnt);
	exit(eval);
}
示例#10
0
文件: tset.c 项目: SylvestreG/bitrig
int
main(int argc, char **argv)
{
    int ch, noinit, noset, quiet, Sflag, sflag, showterm;
    const char *p;
    const char *ttype;

    obsolete(argv);
    noinit = noset = quiet = Sflag = sflag = showterm = 0;
    while ((ch = getopt(argc, argv, "a:cd:e:Ii:k:m:np:qQSrsVw")) != -1) {
	switch (ch) {
	case 'c':		/* set control-chars */
	    opt_c = TRUE;
	    break;
	case 'a':		/* OBSOLETE: map identifier to type */
	    add_mapping("arpanet", optarg);
	    break;
	case 'd':		/* OBSOLETE: map identifier to type */
	    add_mapping("dialup", optarg);
	    break;
	case 'e':		/* erase character */
	    terasechar = arg_to_char();
	    break;
	case 'I':		/* no initialization strings */
	    noinit = 1;
	    break;
	case 'i':		/* interrupt character */
	    intrchar = arg_to_char();
	    break;
	case 'k':		/* kill character */
	    tkillchar = arg_to_char();
	    break;
	case 'm':		/* map identifier to type */
	    add_mapping(0, optarg);
	    break;
	case 'n':		/* OBSOLETE: set new tty driver */
	    break;
	case 'p':		/* OBSOLETE: map identifier to type */
	    add_mapping("plugboard", optarg);
	    break;
	case 'Q':		/* don't output control key settings */
	    quiet = 1;
	    break;
	case 'q':		/* display term only */
	    noset = 1;
	    break;
	case 'r':		/* display term on stderr */
	    showterm = 1;
	    break;
	case 'S':		/* OBSOLETE: output TERM & TERMCAP */
	    Sflag = 1;
	    break;
	case 's':		/* output TERM set command */
	    sflag = 1;
	    break;
	case 'V':		/* print curses-version */
	    puts(curses_version());
	    ExitProgram(EXIT_SUCCESS);
	case 'w':		/* set window-size */
	    opt_w = TRUE;
	    break;
	case '?':
	default:
	    usage();
	}
    }

    _nc_progname = _nc_rootname(*argv);
    argc -= optind;
    argv += optind;

    if (argc > 1)
	usage();

    if (!opt_c && !opt_w)
	opt_c = opt_w = TRUE;

    if (GET_TTY(STDERR_FILENO, &mode) < 0)
	failed("standard error");
    can_restore = TRUE;
    original = oldmode = mode;
#ifdef TERMIOS
    ospeed = (NCURSES_OSPEED) cfgetospeed(&mode);
#else
    ospeed = (NCURSES_OSPEED) mode.sg_ospeed;
#endif

    if (!strcmp(_nc_progname, PROG_RESET)) {
	isreset = TRUE;
	reset_mode();
    }

    ttype = get_termcap_entry(*argv);

    if (!noset) {
	tcolumns = columns;
	tlines = lines;

#if HAVE_SIZECHANGE
	if (opt_w) {
	    STRUCT_WINSIZE win;
	    /* Set window size if not set already */
	    (void) ioctl(STDERR_FILENO, IOCTL_GET_WINSIZE, &win);
	    if (WINSIZE_ROWS(win) == 0 &&
		WINSIZE_COLS(win) == 0 &&
		tlines > 0 && tcolumns > 0) {
		WINSIZE_ROWS(win) = tlines;
		WINSIZE_COLS(win) = tcolumns;
		(void) ioctl(STDERR_FILENO, IOCTL_SET_WINSIZE, &win);
	    }
	}
#endif
	if (opt_c) {
	    set_control_chars();
	    set_conversions();

	    if (!noinit)
		set_init();

	    /* Set the modes if they've changed. */
	    if (memcmp(&mode, &oldmode, sizeof(mode))) {
		SET_TTY(STDERR_FILENO, &mode);
	    }
	}
    }

    /* Get the terminal name from the entry. */
    ttype = _nc_first_name(cur_term->type.term_names);

    if (noset)
	(void) printf("%s\n", ttype);
    else {
	if (showterm)
	    (void) fprintf(stderr, "Terminal type is %s.\n", ttype);
	/*
	 * If erase, kill and interrupt characters could have been
	 * modified and not -Q, display the changes.
	 */
#ifdef TERMIOS
	if (!quiet) {
	    report("Erase", VERASE, CERASE);
	    report("Kill", VKILL, CKILL);
	    report("Interrupt", VINTR, CINTR);
	}
#endif
    }

    if (Sflag)
	err("The -S option is not supported under terminfo.");

    if (sflag) {
	int len;
	char *var;
	char *leaf;
	/*
	 * Figure out what shell we're using.  A hack, we look for an
	 * environmental variable SHELL ending in "csh".
	 */
	if ((var = getenv("SHELL")) != 0
	    && ((len = (int) strlen(leaf = _nc_basename(var))) >= 3)
	    && !strcmp(leaf + len - 3, "csh"))
	    p = "set noglob;\nsetenv TERM %s;\nunset noglob;\n";
	else
	    p = "TERM=%s;\n";
	(void) printf(p, ttype);
    }

    ExitProgram(EXIT_SUCCESS);
}
示例#11
0
int
main(int argc, char **argv)
{
	struct stat sb;
	FILE *fp;
	off_t off = 0;
	enum STYLE style;
	int style_set;
	int i, ch;
	file_info_t *file;

	obsolete(argv);
	style_set = 0;
	while ((ch = getopt(argc, argv, "Fb:c:fn:r")) != -1)
		switch(ch) {
		case 'F':	/* -F is superset of (and implies) -f */
			Fflag = fflag = 1;
			break;
		case 'b':
			getarg(512, FBYTES, RBYTES, &style, &style_set, &off);
			break;
		case 'c':
			getarg(1, FBYTES, RBYTES, &style, &style_set, &off);
			break;
		case 'f':
			fflag = 1;
			break;
		case 'n':
			getarg(1, FLINES, RLINES, &style, &style_set, &off);
			break;
		case 'r':
			rflag = 1;
			break;
		case '?':
		default:
			usage();
		}
	argc -= optind;
	argv += optind;

	no_files = argc ? argc : 1;

	/*
	 * If displaying in reverse, don't permit follow option, and convert
	 * style values.
	 */
	if (rflag) {
		if (fflag)
			usage();
		if (style == FBYTES)
			style = RBYTES;
		else if (style == FLINES)
			style = RLINES;
	}

	/*
	 * If style not specified, the default is the whole file for -r, and
	 * the last 10 lines if not -r.
	 */
	if (!style_set) {
		if (rflag) {
			off = 0;
			style = REVERSE;
		} else {
			off = 10;
			style = RLINES;
		}
	}

	if (*argv && fflag) {
		files = malloc(no_files * sizeof(struct file_info));
		if (files == NULL)
			err(1, "Couldn't malloc space for files descriptors.");

		for (file = files; (fname = *argv++) != NULL; file++) {
			file->file_name = strdup(fname);
			if (! file->file_name)
				errx(1, "Couldn't alloc space for file name.");
			file->fp = fopen(file->file_name, "r");
			if (file->fp == NULL ||
			    fstat(fileno(file->fp), &file->st) == -1) {
				file->fp = NULL;
				ierr();
				continue;
			}
		}
		follow(files, style, off);
		for (i = 0, file = files; i < no_files; i++, file++)
			free(file->file_name);
		free(files);
	} else if (*argv) {
		for (i = 0; (fname = *argv++) != NULL; ++i) {
			if ((fp = fopen(fname, "r")) == NULL ||
			    fstat(fileno(fp), &sb)) {
				ierr();
				continue;
			}
			if (argc > 1) {
				showfilename(i, fname);
				(void)fflush(stdout);
			}

			if (rflag)
				reverse(fp, style, off, &sb);
			else
				forward(fp, style, off, &sb);
			(void)fclose(fp);
		}
	} else {
		fname = "stdin";

		if (fstat(fileno(stdin), &sb)) {
			ierr();
			exit(1);
		}

		/*
		 * Determine if input is a pipe.  4.4BSD will set the SOCKET
		 * bit in the st_mode field for pipes.  Fix this then.
		 */
		if (lseek(fileno(stdin), (off_t)0, SEEK_CUR) == -1 &&
		    errno == ESPIPE) {
			errno = 0;
			fflag = 0;		/* POSIX.2 requires this. */
		}

		if (rflag)
			reverse(stdin, style, off, &sb);
		else
			forward(stdin, style, off, &sb);
	}
	exit(rval);
}