xref: /openbsd-src/usr.bin/cdio/cdio.c (revision 46035553bfdd96e63c94e32da0210227ec2e3cf1)
1 /*	$OpenBSD: cdio.c,v 1.79 2020/06/26 19:51:14 naddy Exp $	*/
2 
3 /*  Copyright (c) 1995 Serge V. Vakulenko
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by Serge V. Vakulenko.
18  * 4. The name of the author may not be used to endorse or promote products
19  *    derived from this software without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 /*
34  * Compact Disc Control Utility by Serge V. Vakulenko <vak@cronyx.ru>.
35  * Based on the non-X based CD player by Jean-Marc Zucconi and
36  * Andrey A. Chernov.
37  *
38  * Fixed and further modified on 5-Sep-1995 by Jukka Ukkonen <jau@funet.fi>.
39  *
40  * 11-Sep-1995: Jukka A. Ukkonen <jau@funet.fi>
41  *              A couple of further fixes to my own earlier "fixes".
42  *
43  * 18-Sep-1995: Jukka A. Ukkonen <jau@funet.fi>
44  *              Added an ability to specify addresses relative to the
45  *              beginning of a track. This is in fact a variation of
46  *              doing the simple play_msf() call.
47  *
48  * 11-Oct-1995: Serge V.Vakulenko <vak@cronyx.ru>
49  *              New eject algorithm.
50  *              Some code style reformatting.
51  *
52  * $FreeBSD: cdcontrol.c,v 1.13 1996/06/25 21:01:27 ache Exp $
53  */
54 
55 #include <sys/param.h>	/* isset */
56 #include <sys/cdio.h>
57 #include <sys/ioctl.h>
58 #include <sys/queue.h>
59 #include <sys/scsiio.h>
60 #include <sys/stat.h>
61 
62 #include <ctype.h>
63 #include <err.h>
64 #include <errno.h>
65 #include <fcntl.h>
66 #include <stdio.h>
67 #include <stdlib.h>
68 #include <string.h>
69 #include <unistd.h>
70 #include <limits.h>
71 #include <histedit.h>
72 #include <util.h>
73 #include <vis.h>
74 
75 #include "extern.h"
76 
77 #define ASTS_INVALID    0x00  /* Audio status byte not valid */
78 #define ASTS_PLAYING    0x11  /* Audio play operation in progress */
79 #define ASTS_PAUSED     0x12  /* Audio play operation paused */
80 #define ASTS_COMPLETED  0x13  /* Audio play operation successfully completed */
81 #define ASTS_ERROR      0x14  /* Audio play operation stopped due to error */
82 #define ASTS_VOID       0x15  /* No current audio status to return */
83 
84 #ifndef DEFAULT_CD_DRIVE
85 #  define DEFAULT_CD_DRIVE  "cd0"
86 #endif
87 
88 #define CMD_DEBUG       1
89 #define CMD_DEVICE      2
90 #define CMD_EJECT       3
91 #define CMD_HELP        4
92 #define CMD_INFO        5
93 #define CMD_PAUSE       6
94 #define CMD_PLAY        7
95 #define CMD_QUIT        8
96 #define CMD_RESUME      9
97 #define CMD_STOP        10
98 #define CMD_VOLUME      11
99 #define CMD_CLOSE       12
100 #define CMD_RESET       13
101 #define CMD_SET         14
102 #define CMD_STATUS      15
103 #define CMD_NEXT	16
104 #define CMD_PREV	17
105 #define CMD_REPLAY	18
106 #define CMD_CDDB	19
107 #define CMD_CDID	20
108 #define CMD_BLANK	21
109 #define CMD_CDRIP	22
110 #define CMD_CDPLAY	23
111 
112 struct cmdtab {
113 	int command;
114 	char *name;
115 	int min;
116 	char *args;
117 } cmdtab[] = {
118 { CMD_BLANK,	"blank",	1, "" },
119 { CMD_CDDB,	"cddbinfo",     2, "[n]" },
120 { CMD_CDID,	"cdid",		3, "" },
121 { CMD_CDPLAY,	"cdplay",	3, "[track1-trackN ...]" },
122 { CMD_CDRIP,	"cdrip",	3, "[track1-trackN ...]" },
123 { CMD_CLOSE,    "close",        1, "" },
124 { CMD_DEBUG,    "debug",        3, "on | off" },
125 { CMD_DEVICE,   "device",       1, "devname" },
126 { CMD_EJECT,    "eject",        1, "" },
127 { CMD_QUIT,	"exit",		2, "" },
128 { CMD_HELP,     "?",            1, 0 },
129 { CMD_HELP,     "help",         1, "" },
130 { CMD_INFO,     "info",         1, "" },
131 { CMD_NEXT,	"next",		1, "" },
132 { CMD_PAUSE,    "pause",        2, "" },
133 { CMD_PLAY,     "play",         1, "[track1[.index1] [track2[.index2]]]" },
134 { CMD_PLAY,     "play",         1, "[[tr1] m1:s1[.f1] [tr2] [m2:s2[.f2]]]" },
135 { CMD_PLAY,     "play",         1, "[#block [len]]" },
136 { CMD_PREV,	"previous",	2, "" },
137 { CMD_QUIT,     "quit",         1, "" },
138 { CMD_REPLAY,	"replay",	3, "" },
139 { CMD_RESET,    "reset",        4, "" },
140 { CMD_RESUME,   "resume",       1, "" },
141 { CMD_SET,      "set",          2, "lba | msf" },
142 { CMD_STATUS,   "status",       1, "" },
143 { CMD_STOP,     "stop",         3, "" },
144 { CMD_VOLUME,   "volume",       1, "left_channel right_channel" },
145 { CMD_VOLUME,   "volume",       1, "left | right | mono | stereo | mute" },
146 { 0, 0, 0, 0}
147 };
148 
149 struct cd_toc_entry *toc_buffer;
150 
151 char		*cdname;
152 int		fd = -1;
153 int		writeperm = 0;
154 u_int8_t	mediacap[MMC_FEATURE_MAX / NBBY];
155 int		verbose = 1;
156 int		msf = 1;
157 const char	*cddb_host;
158 char		**track_names;
159 
160 EditLine	*el = NULL;	/* line-editing structure */
161 History		*hist = NULL;	/* line-editing history */
162 void		switch_el(void);
163 
164 extern char	*__progname;
165 
166 int		setvol(int, int);
167 int		read_toc_entrys(int);
168 int		play_msf(int, int, int, int, int, int);
169 int		play_track(int, int, int, int);
170 int		status(int *, int *, int *, int *);
171 int		is_wave(int);
172 __dead void	tao(int argc, char **argv);
173 int		play(char *arg);
174 int		info(char *arg);
175 int		cddbinfo(char *arg);
176 int		pstatus(char *arg);
177 int		play_next(char *arg);
178 int		play_prev(char *arg);
179 int		play_same(char *arg);
180 char		*input(int *);
181 char		*prompt(void);
182 void		prtrack(struct cd_toc_entry *e, int lastflag, char *name);
183 void		lba2msf(unsigned long lba, u_char *m, u_char *s, u_char *f);
184 unsigned int	msf2lba(u_char m, u_char s, u_char f);
185 int		play_blocks(int blk, int len);
186 int		run(int cmd, char *arg);
187 char		*parse(char *buf, int *cmd);
188 void		help(void);
189 void		usage(void);
190 char		*strstatus(int);
191 int		cdid(void);
192 void		addmsf(u_int *, u_int *, u_int *, u_char, u_char, u_char);
193 int		cmpmsf(u_char, u_char, u_char, u_char, u_char, u_char);
194 void		toc2msf(u_int, u_char *, u_char *, u_char *);
195 
196 void
197 help(void)
198 {
199 	struct cmdtab *c;
200 	char *s, n;
201 	int i;
202 
203 	for (c = cmdtab; c->name; ++c) {
204 		if (!c->args)
205 			continue;
206 		printf("\t");
207 		for (i = c->min, s = c->name; *s; s++, i--) {
208 			if (i > 0)
209 				n = toupper((unsigned char)*s);
210 			else
211 				n = *s;
212 			putchar(n);
213 		}
214 		if (*c->args)
215 			printf(" %s", c->args);
216 		printf("\n");
217 	}
218 	printf("\n\tThe word \"play\" is not required for the play commands.\n");
219 	printf("\tThe plain target address is taken as a synonym for play.\n");
220 }
221 
222 void
223 usage(void)
224 {
225 	fprintf(stderr, "usage: %s [-sv] [-d host:port] [-f device] [command args ...]\n",
226 	    __progname);
227 	exit(1);
228 }
229 
230 int
231 main(int argc, char **argv)
232 {
233 	int ch, cmd;
234 	char *arg;
235 
236 	cdname = getenv("DISC");
237 	if (!cdname)
238 		cdname = getenv("CDROM");
239 
240 	cddb_host = getenv("CDDB");
241 	if (!cddb_host)
242 		cddb_host = "gnudb.gnudb.org";
243 
244 	while ((ch = getopt(argc, argv, "svd:f:")) != -1)
245 		switch (ch) {
246 		case 's':
247 			verbose = 0;
248 			break;
249 		case 'v':
250 			verbose++;
251 			break;
252 		case 'f':
253 			cdname = optarg;
254 			break;
255 		case 'd':
256 			cddb_host = optarg;
257 			break;
258 		default:
259 			usage();
260 		}
261 
262 	argc -= optind;
263 	argv += optind;
264 
265 	if (argc > 0 && ! strcasecmp(*argv, "help"))
266 		usage();
267 
268 	if (!cdname) {
269 		cdname = DEFAULT_CD_DRIVE;
270 		if (verbose > 1)
271 			fprintf(stderr,
272 			    "No CD device name specified. Defaulting to %s.\n",
273 			    cdname);
274 	}
275 
276 	if (argc > 0 && !strcasecmp(*argv, "tao")) {
277 		tao(argc, argv);
278 		/* NOTREACHED */
279 	}
280 	if (argc > 0) {
281 		char buf[80], *p;
282 		int len;
283 
284 		for (p=buf; argc-->0; ++argv) {
285 			len = snprintf(p, buf + sizeof buf - p,
286 			   "%s%s", (p > buf) ? " " : "", *argv);
287 
288 			if (len < 0 || len >= buf + sizeof buf - p)
289 				errx(1, "argument list too long.");
290 
291 			p += len;
292 		}
293 		arg = parse(buf, &cmd);
294 		return (run(cmd, arg));
295 	}
296 
297 	if (verbose == 1)
298 		verbose = isatty(0);
299 
300 	if (verbose) {
301 		printf("Compact Disc Control utility, version %s\n", VERSION);
302 		printf("Type `?' for command list\n\n");
303 	}
304 
305 	switch_el();
306 
307 	for (;;) {
308 		arg = input(&cmd);
309 		if (run(cmd, arg) < 0) {
310 			if (verbose)
311 				warn(NULL);
312 			close(fd);
313 			fd = -1;
314 		}
315 		fflush(stdout);
316 	}
317 }
318 
319 int
320 run(int cmd, char *arg)
321 {
322 	int l, r, rc;
323 	static char newcdname[PATH_MAX];
324 
325 	switch (cmd) {
326 
327 	case CMD_QUIT:
328 		switch_el();
329 		exit(0);
330 
331 	case CMD_INFO:
332 		if (!open_cd(cdname, 0))
333 			return (0);
334 
335 		return info(arg);
336 
337 	case CMD_CDDB:
338 		if (!open_cd(cdname, 0))
339 			return (0);
340 
341 		return cddbinfo(arg);
342 
343 	case CMD_CDID:
344 		if (!open_cd(cdname, 0))
345 			return (0);
346 		return cdid();
347 
348 	case CMD_STATUS:
349 		if (!open_cd(cdname, 0))
350 			return (0);
351 
352 		return pstatus(arg);
353 
354 	case CMD_PAUSE:
355 		if (!open_cd(cdname, 0))
356 			return (0);
357 
358 		return ioctl(fd, CDIOCPAUSE);
359 
360 	case CMD_RESUME:
361 		if (!open_cd(cdname, 0))
362 			return (0);
363 
364 		return ioctl(fd, CDIOCRESUME);
365 
366 	case CMD_STOP:
367 		if (!open_cd(cdname, 0))
368 			return (0);
369 
370 		rc = ioctl(fd, CDIOCSTOP);
371 
372 		(void) ioctl(fd, CDIOCALLOW);
373 
374 		return (rc);
375 
376 	case CMD_RESET:
377 		if (!open_cd(cdname, 0))
378 			return (0);
379 
380 		rc = ioctl(fd, CDIOCRESET);
381 		if (rc == -1)
382 			return rc;
383 		close(fd);
384 		fd = -1;
385 		return (0);
386 
387 	case CMD_DEBUG:
388 		if (!open_cd(cdname, 0))
389 			return (0);
390 
391 		if (!strcasecmp(arg, "on"))
392 			return ioctl(fd, CDIOCSETDEBUG);
393 
394 		if (!strcasecmp(arg, "off"))
395 			return ioctl(fd, CDIOCCLRDEBUG);
396 
397 		printf("%s: Invalid command arguments\n", __progname);
398 
399 		return (0);
400 
401 	case CMD_DEVICE:
402 		/* close old device */
403 		if (fd > -1) {
404 			(void) ioctl(fd, CDIOCALLOW);
405 			close(fd);
406 			fd = -1;
407 		}
408 
409 		if (strlen(arg) == 0) {
410 			printf("%s: Invalid parameter\n", __progname);
411 			return (0);
412 		}
413 
414 		/* open new device */
415 		if (!open_cd(arg, 0))
416 			return (0);
417 		(void) strlcpy(newcdname, arg, sizeof(newcdname));
418 		cdname = newcdname;
419 		return (1);
420 
421 	case CMD_EJECT:
422 		if (!open_cd(cdname, 0))
423 			return (0);
424 
425 		(void) ioctl(fd, CDIOCALLOW);
426 		rc = ioctl(fd, CDIOCEJECT);
427 		if (rc == -1)
428 			return (rc);
429 #if defined(__OpenBSD__)
430 		close(fd);
431 		fd = -1;
432 #endif
433 		if (track_names)
434 			free_names(track_names);
435 		track_names = NULL;
436 		return (0);
437 
438 	case CMD_CLOSE:
439 #if defined(CDIOCCLOSE)
440 		if (!open_cd(cdname, 0))
441 			return (0);
442 
443 		(void) ioctl(fd, CDIOCALLOW);
444 		rc = ioctl(fd, CDIOCCLOSE);
445 		if (rc == -1)
446 			return (rc);
447 		close(fd);
448 		fd = -1;
449 		return (0);
450 #else
451 		printf("%s: Command not yet supported\n", __progname);
452 		return (0);
453 #endif
454 
455 	case CMD_PLAY:
456 		if (!open_cd(cdname, 0))
457 			return (0);
458 
459 		while (isspace((unsigned char)*arg))
460 			arg++;
461 
462 		return play(arg);
463 
464 	case CMD_SET:
465 		if (!strcasecmp(arg, "msf"))
466 			msf = 1;
467 		else if (!strcasecmp(arg, "lba"))
468 			msf = 0;
469 		else
470 			printf("%s: Invalid command arguments\n", __progname);
471 		return (0);
472 
473 	case CMD_VOLUME:
474 		if (!open_cd(cdname, 0))
475 			return (0);
476 
477 		if (!strncasecmp(arg, "left", strlen(arg)))
478 			return ioctl(fd, CDIOCSETLEFT);
479 
480 		if (!strncasecmp(arg, "right", strlen(arg)))
481 			return ioctl(fd, CDIOCSETRIGHT);
482 
483 		if (!strncasecmp(arg, "mono", strlen(arg)))
484 			return ioctl(fd, CDIOCSETMONO);
485 
486 		if (!strncasecmp(arg, "stereo", strlen(arg)))
487 			return ioctl(fd, CDIOCSETSTEREO);
488 
489 		if (!strncasecmp(arg, "mute", strlen(arg)))
490 			return ioctl(fd, CDIOCSETMUTE);
491 
492 		if (2 != sscanf(arg, "%d%d", &l, &r)) {
493 			printf("%s: Invalid command arguments\n", __progname);
494 			return (0);
495 		}
496 
497 		return setvol(l, r);
498 
499 	case CMD_NEXT:
500 		if (!open_cd(cdname, 0))
501 			return (0);
502 
503 		return play_next(arg);
504 
505 	case CMD_PREV:
506 		if (!open_cd(cdname, 0))
507 			return (0);
508 
509 		return play_prev(arg);
510 
511 	case CMD_REPLAY:
512 		if (!open_cd(cdname, 0))
513 			return 0;
514 
515 		return play_same(arg);
516 	case CMD_BLANK:
517 		if (!open_cd(cdname, 1))
518 			return 0;
519 
520 		if (get_media_capabilities(mediacap, 1) == -1) {
521 			warnx("Can't determine media type");
522 			return (0);
523 		}
524 		if (isset(mediacap, MMC_FEATURE_CDRW_WRITE) == 0 &&
525 		    get_media_type() != MEDIATYPE_CDRW) {
526 			warnx("The media doesn't support blanking");
527 			return (0);
528 		}
529 
530 		return blank();
531 	case CMD_CDRIP:
532 		if (!open_cd(cdname, 0))
533 			return (0);
534 
535 		while (isspace((unsigned char)*arg))
536 			arg++;
537 
538 		return cdrip(arg);
539 	case CMD_CDPLAY:
540 		if (!open_cd(cdname, 0))
541 			return (0);
542 
543 		while (isspace((unsigned char)*arg))
544 			arg++;
545 
546 		return cdplay(arg);
547 	default:
548 	case CMD_HELP:
549 		help();
550 		return (0);
551 
552 	}
553 }
554 
555 /*
556  * Check if audio file has RIFF WAVE format. If not, we assume it's just PCM.
557  */
558 int
559 is_wave(int fd)
560 {
561 	char buf[WAVHDRLEN];
562 	int rv;
563 
564 	rv = 0;
565 	if (read(fd, buf, sizeof(buf)) == sizeof(buf)) {
566 		if (memcmp(buf, "RIFF", 4) == 0 &&
567 		    memcmp(buf + 8, "WAVE", 4) == 0)
568 			rv = 1;
569 	}
570 
571 	return (rv);
572 }
573 
574 __dead void
575 tao(int argc, char **argv)
576 {
577 	struct stat sb;
578 	struct track_info *cur_track;
579 	struct track_info *tr;
580 	off_t availblk, needblk = 0;
581 	u_int blklen;
582 	u_int ntracks = 0;
583 	char type;
584 	int ch, speed;
585 	const char *errstr;
586 
587 	if (argc == 1)
588 		usage();
589 
590 	SLIST_INIT(&tracks);
591 	type = 'd';
592 	speed = DRIVE_SPEED_OPTIMAL;
593 	blklen = 2048;
594 	while (argc > 1) {
595 		tr = malloc(sizeof(struct track_info));
596 		if (tr == NULL)
597 			err(1, "tao");
598 
599 		optreset = 1;
600 		optind = 1;
601 		while ((ch = getopt(argc, argv, "ads:")) != -1) {
602 			switch (ch) {
603 			case 'a':
604 				type = 'a';
605 				blklen = 2352;
606 				break;
607 			case 'd':
608 				type = 'd';
609 				blklen = 2048;
610 				break;
611 			case 's':
612 				if (strcmp(optarg, "auto") == 0) {
613 					speed = DRIVE_SPEED_OPTIMAL;
614 				} else if (strcmp(optarg, "max") == 0) {
615 					speed = DRIVE_SPEED_MAX;
616 				} else {
617 					speed = (int)strtonum(optarg, 1,
618 					    CD_MAX_SPEED, &errstr);
619 					if (errstr != NULL) {
620 						errx(1,
621 						    "incorrect speed value");
622 					}
623 				}
624 				break;
625 			default:
626 				usage();
627 				/* NOTREACHED */
628 			}
629 		}
630 
631 		if (speed != DRIVE_SPEED_OPTIMAL && speed != DRIVE_SPEED_MAX)
632 			tr->speed = CD_SPEED_TO_KBPS(speed, blklen);
633 		else
634 			tr->speed = speed;
635 
636 		tr->type = type;
637 		tr->blklen = blklen;
638 		argc -= optind;
639 		argv += optind;
640 		if (argv[0] == NULL)
641 			usage();
642 		tr->file = argv[0];
643 		tr->fd = open(tr->file, O_RDONLY, 0640);
644 		if (tr->fd == -1)
645 			err(1, "cannot open file %s", tr->file);
646 		if (fstat(tr->fd, &sb) == -1)
647 			err(1, "cannot stat file %s", tr->file);
648 		tr->sz = sb.st_size;
649 		tr->off = 0;
650 		if (tr->type == 'a') {
651 			if (is_wave(tr->fd)) {
652 				tr->sz -= WAVHDRLEN;
653 				tr->off = WAVHDRLEN;
654 			}
655 		}
656 		if (SLIST_EMPTY(&tracks))
657 			SLIST_INSERT_HEAD(&tracks, tr, track_list);
658 		else
659 			SLIST_INSERT_AFTER(cur_track, tr, track_list);
660 		cur_track = tr;
661 	}
662 
663 	if (!open_cd(cdname, 1))
664 		exit(1);
665 	if (get_media_capabilities(mediacap, 1) == -1)
666 		errx(1, "Can't determine media type");
667 	if (isset(mediacap, MMC_FEATURE_CD_TAO) == 0)
668 		errx(1, "The media can't be written in TAO mode");
669 
670 	get_disc_size(&availblk);
671 	SLIST_FOREACH(tr, &tracks, track_list) {
672 		needblk += tr->sz/tr->blklen;
673 		ntracks++;
674 	}
675 	needblk += (ntracks - 1) * 150; /* transition area between tracks */
676 	if (needblk > availblk)
677 		errx(1, "Only %llu of the required %llu blocks available",
678 		    availblk, needblk);
679 	if (writetao(&tracks) != 0)
680 		exit(1);
681 	else
682 		exit(0);
683 }
684 
685 int
686 play(char *arg)
687 {
688 	struct ioc_toc_header h;
689 	unsigned char tm, ts, tf;
690 	unsigned int tr1, tr2, m1, m2, s1, s2, f1, f2, i1, i2;
691 	unsigned int blk, len, n;
692 	char c;
693 	int rc;
694 
695 	rc = ioctl(fd, CDIOREADTOCHEADER, &h);
696 
697 	if (rc == -1)
698 		return (rc);
699 
700 	if (h.starting_track > h.ending_track) {
701 		printf("TOC starting_track > TOC ending_track\n");
702 		return (0);
703 	}
704 
705 	n = h.ending_track - h.starting_track + 1;
706 	rc = read_toc_entrys((n + 1) * sizeof (struct cd_toc_entry));
707 
708 	if (rc < 0)
709 		return (rc);
710 
711 	/*
712 	 * Truncate trailing white space. Then by adding %c to the end of the
713 	 * sscanf() formats we catch any errant trailing characters.
714 	 */
715 	rc = strlen(arg) - 1;
716 	while (rc >= 0 && isspace((unsigned char)arg[rc])) {
717 		arg[rc] = '\0';
718 		rc--;
719 	}
720 
721 	if (!arg || ! *arg) {
722 		/* Play the whole disc */
723 		return (play_track(h.starting_track, 1, h.ending_track, 1));
724 	}
725 
726 	if (strchr(arg, '#')) {
727 		/* Play block #blk [ len ] */
728 		if (2 != sscanf(arg, "#%u%u%c", &blk, &len, &c) &&
729 		    1 != sscanf(arg, "#%u%c", &blk, &c)) {
730 			printf("%s: Invalid command arguments\n", __progname);
731 			return (0);
732 		}
733 
734 		if (len == 0) {
735 			if (msf)
736 				len = msf2lba(toc_buffer[n].addr.msf.minute,
737 				    toc_buffer[n].addr.msf.second,
738 				    toc_buffer[n].addr.msf.frame) - blk;
739 			else
740 				len = toc_buffer[n].addr.lba - blk;
741 		}
742 		return play_blocks(blk, len);
743 	}
744 
745 	if (strchr(arg, ':') == NULL) {
746 		/*
747 		 * Play track tr1[.i1] [tr2[.i2]]
748 		 */
749 		if (4 == sscanf(arg, "%u.%u%u.%u%c", &tr1, &i1, &tr2, &i2, &c))
750 			goto play_track;
751 
752 		i2 = 1;
753 		if (3 == sscanf(arg, "%u.%u%u%c", &tr1, &i1, &tr2, &c))
754 			goto play_track;
755 
756 		i1 = 1;
757 		if (3 == sscanf(arg, "%u%u.%u%c", &tr1, &tr2, &i2, &c))
758 			goto play_track;
759 
760 		tr2 = 0;
761 		i2 = 1;
762 		if (2 == sscanf(arg, "%u.%u%c", &tr1, &i1, &c))
763 			goto play_track;
764 
765 		i1 = i2 = 1;
766 		if (2 == sscanf(arg, "%u%u%c", &tr1, &tr2, &c))
767 			goto play_track;
768 
769 		i1 = i2 = 1;
770 		tr2 = 0;
771 		if (1 == sscanf(arg, "%u%c", &tr1, &c))
772 			goto play_track;
773 
774 		printf("%s: Invalid command arguments\n", __progname);
775 		return (0);
776 
777 play_track:
778 		if (tr1 > n || tr2 > n) {
779 			printf("Track number must be between 0 and %u\n", n);
780 			return (0);
781 		} else if (tr2 == 0)
782 			tr2 = h.ending_track;
783 
784 		if (tr1 > tr2) {
785 			printf("starting_track > ending_track\n");
786 			return (0);
787 		}
788 
789 		return (play_track(tr1, i1, tr2, i2));
790 	}
791 
792 	/*
793 	 * Play MSF [tr1] m1:s1[.f1] [tr2] [m2:s2[.f2]]
794 	 *
795 	 * Start Time		End Time
796 	 * ----------		--------
797 	 * tr1 m1:s1.f1		tr2 m2:s2.f2
798 	 * tr1 m1:s1   		tr2 m2:s2.f2
799 	 * tr1 m1:s1.f1		tr2 m2:s2
800 	 * tr1 m1:s1   		tr2 m2:s2
801 	 *     m1:s1.f1		tr2 m2:s2.f2
802 	 *     m1:s1   		tr2 m2:s2.f2
803 	 *     m1:s1.f1		tr2 m2:s2
804 	 *     m1:s1   		tr2 m2:s2
805 	 * tr1 m1:s1.f1		    m2:s2.f2
806 	 * tr1 m1:s1   		    m2:s2.f2
807 	 * tr1 m1:s1.f1		    m2:s2
808 	 * tr1 m1:s1  		    m2:s2
809 	 *     m1:s1.f1		    m2:s2.f2
810 	 *     m1:s1       	    m2:s2.f2
811 	 *     m1:s1.f1  	    m2:s2
812 	 *     m1:s1     	    m2:s2
813 	 * tr1 m1:s1.f1		tr2
814 	 * tr1 m1:s1    	tr2
815 	 *     m1:s1.f1  	tr2
816 	 *     m1:s1      	tr2
817 	 * tr1 m1:s1.f1		<end of disc>
818 	 * tr1 m1:s1    	<end of disc>
819 	 *     m1:s1.f1  	<end of disc>
820 	 *     m1:s1      	<end of disc>
821 	 */
822 
823 	/* tr1 m1:s1.f1		tr2 m2:s2.f2 */
824 	if (8 == sscanf(arg, "%u%u:%u.%u%u%u:%u.%u%c",
825 	    &tr1, &m1, &s1, &f1, &tr2, &m2, &s2, &f2, &c))
826 		goto play_msf;
827 
828 	/* tr1 m1:s1   		tr2 m2:s2.f2 */
829 	f1 = 0;
830 	if (7 == sscanf(arg, "%u%u:%u%u%u:%u.%u%c",
831 	    &tr1, &m1, &s1, &tr2, &m2, &s2, &f2, &c))
832 		goto play_msf;
833 
834 	/* tr1 m1:s1.f1		tr2 m2:s2 */
835 	f2 =0;
836 	if (7 == sscanf(arg, "%u%u:%u.%u%u%u:%u%c",
837 	    &tr1, &m1, &s1, &f1, &tr2, &m2, &s2, &c))
838 		goto play_msf;
839 
840 	/*     m1:s1.f1		tr2 m2:s2.f2 */
841 	tr1 = 0;
842 	if (7 == sscanf(arg, "%u:%u.%u%u%u:%u.%u%c",
843 	    &m1, &s1, &f1, &tr2, &m2, &s2, &f2, &c))
844 		goto play_msf;
845 
846 	/* tr1 m1:s1.f1		    m2:s2.f2 */
847 	tr2 = 0;
848 	if (7 == sscanf(arg, "%u%u:%u.%u%u:%u.%u%c",
849 	    &tr1, &m1, &s1, &f1, &m2, &s2, &f2, &c))
850 		goto play_msf;
851 
852 	/*     m1:s1   		tr2 m2:s2.f2 */
853 	tr1 = f1 = 0;
854 	if (6 == sscanf(arg, "%u:%u%u%u:%u.%u%c",
855 	    &m1, &s1, &tr2, &m2, &s2, &f2, &c))
856 		goto play_msf;
857 
858 	/*     m1:s1.f1		tr2 m2:s2 */
859 	tr1 = f2 = 0;
860 	if (6 == sscanf(arg, "%u:%u.%u%u%u:%u%c",
861 	    &m1, &s1, &f1, &tr2, &m2, &s2, &c))
862 		goto play_msf;
863 
864 	/*     m1:s1.f1		    m2:s2.f2 */
865 	tr1 = tr2 = 0;
866 	if (6 == sscanf(arg, "%u:%u.%u%u:%u.%u%c",
867 	    &m1, &s1, &f1, &m2, &s2, &f2, &c))
868 		goto play_msf;
869 
870 	/* tr1 m1:s1.f1		    m2:s2 */
871 	tr2 = f2 = 0;
872 	if (6 == sscanf(arg, "%u%u:%u.%u%u:%u%c",
873 	    &tr1, &m1, &s1, &f1, &m2, &s2, &c))
874 		goto play_msf;
875 
876 	/* tr1 m1:s1   		    m2:s2.f2 */
877 	tr2 = f1 = 0;
878 	if (6 == sscanf(arg, "%u%u:%u%u:%u.%u%c",
879 	    &tr1, &m1, &s1, &m2, &s2, &f2, &c))
880 		goto play_msf;
881 
882 	/* tr1 m1:s1   		tr2 m2:s2 */
883 	f1 = f2 = 0;
884 	if (6 == sscanf(arg, "%u%u:%u%u%u:%u%c",
885 	    &tr1, &m1, &s1, &tr2, &m2, &s2, &c))
886 		goto play_msf;
887 
888 	/*     m1:s1   		tr2 m2:s2 */
889 	tr1 = f1 = f2 = 0;
890 	if (5 == sscanf(arg, "%u:%u%u%u:%u%c", &m1, &s1, &tr2, &m2, &s2, &c))
891 		goto play_msf;
892 
893 	/* tr1 m1:s1  		    m2:s2 */
894 	f1 = tr2 = f2 = 0;
895 	if (5 == sscanf(arg, "%u%u:%u%u:%u%c", &tr1, &m1, &s1, &m2, &s2, &c))
896 		goto play_msf;
897 
898 	/*     m1:s1       	    m2:s2.f2 */
899 	tr1 = f1 = tr2 = 0;
900 	if (5 == sscanf(arg, "%u:%u%u:%u.%u%c", &m1, &s1, &m2, &s2, &f2, &c))
901 		goto play_msf;
902 
903 	/*     m1:s1.f1  	    m2:s2 */
904 	tr1 = tr2 = f2 = 0;
905 	if (5 == sscanf(arg, "%u:%u.%u%u:%u%c", &m1, &s1, &f1, &m2, &s2, &c))
906 		goto play_msf;
907 
908 	/* tr1 m1:s1.f1		tr2 */
909 	m2 = s2 = f2 = 0;
910 	if (5 == sscanf(arg, "%u%u:%u.%u%u%c", &tr1, &m1, &s1, &f1, &tr2, &c))
911 		goto play_msf;
912 
913 	/*     m1:s1     	    m2:s2 */
914 	tr1 = f1 = tr2 = f2 = 0;
915 	if (4 == sscanf(arg, "%u:%u%u:%u%c", &m1, &s1, &m2, &s2, &c))
916 		goto play_msf;
917 
918 	/* tr1 m1:s1.f1		<end of disc> */
919 	tr2 = m2 = s2 = f2 = 0;
920 	if (4 == sscanf(arg, "%u%u:%u.%u%c", &tr1, &m1, &s1, &f1, &c))
921 		goto play_msf;
922 
923 	/* tr1 m1:s1    	tr2 */
924 	f1 = m2 = s2 = f2 = 0;
925 	if (4 == sscanf(arg, "%u%u:%u%u%c", &tr1, &m1, &s1, &tr2, &c))
926 		goto play_msf;
927 
928 	/*     m1:s1.f1  	tr2 */
929 	tr1 = m2 = s2 = f2 = 0;
930 	if (4 == sscanf(arg, "%u%u:%u%u%c", &m1, &s1, &f1, &tr2, &c))
931 		goto play_msf;
932 
933 	/*     m1:s1.f1  	<end of disc> */
934 	tr1 = tr2 = m2 = s2 = f2 = 0;
935 	if (3 == sscanf(arg, "%u:%u.%u%c", &m1, &s1, &f1, &c))
936 		goto play_msf;
937 
938 	/* tr1 m1:s1    	<end of disc> */
939 	f1 = tr2 = m2 = s2 = f2 = 0;
940 	if (3 == sscanf(arg, "%u%u:%u%c", &tr1, &m1, &s1, &c))
941 		goto play_msf;
942 
943 	/*     m1:s1      	tr2 */
944 	tr1 = f1 = m2 = s2 = f2 = 0;
945 	if (3 == sscanf(arg, "%u:%u%u%c", &m1, &s1, &tr2, &c))
946 		goto play_msf;
947 
948 	/*     m1:s1      	<end of disc> */
949 	tr1 = f1 = tr2 = m2 = s2 = f2 = 0;
950 	if (2 == sscanf(arg, "%u:%u%c", &m1, &s1, &c))
951 		goto play_msf;
952 
953 	printf("%s: Invalid command arguments\n", __progname);
954 	return (0);
955 
956 play_msf:
957 	if (tr1 > n || tr2 > n) {
958 		printf("Track number must be between 0 and %u\n", n);
959 		return (0);
960 	} else if (m1 > 99 || m2 > 99) {
961 		printf("Minutes must be between 0 and 99\n");
962 		return (0);
963 	} else if (s1 > 59 || s2 > 59) {
964 		printf("Seconds must be between 0 and 59\n");
965 		return (0);
966 	} else if (f1 > 74 || f2 > 74) {
967 		printf("Frames number must be between 0 and 74\n");
968 		return (0);
969 	}
970 
971 	if (tr1 > 0) {
972 		/*
973 		 * Start time is relative to tr1, Add start time of tr1
974 		 * to (m1,s1,f1) to yield absolute start time.
975 		 */
976 		toc2msf(tr1, &tm, &ts, &tf);
977 		addmsf(&m1, &s1, &f1, tm, ts, tf);
978 
979 		/* Compare (m1,s1,f1) to start time of next track. */
980 		toc2msf(tr1+1, &tm, &ts, &tf);
981 		if (cmpmsf(m1, s1, f1, tm, ts, tf) == 1) {
982 			printf("Track %u is not that long.\n", tr1);
983 			return (0);
984 		}
985 	}
986 
987 	toc2msf(n+1, &tm, &ts, &tf);
988 	if (cmpmsf(m1, s1, f1, tm, ts, tf) == 1) {
989 		printf("Start time is after end of disc.\n");
990 		return (0);
991 	}
992 
993 	if (tr2 > 0) {
994 		/*
995 		 * End time is relative to tr2, Add start time of tr2
996 		 * to (m2,s2,f2) to yield absolute end time.
997 		 */
998 		toc2msf(tr2, &tm, &ts, &tf);
999 		addmsf(&m2, &s2, &f2, tm, ts, tf);
1000 
1001 		/* Compare (m2,s2,f2) to start time of next track. */
1002 		toc2msf(tr2+1, &tm, &ts, &tf);
1003 		if (cmpmsf(m2, s2, f2, tm, ts, tf) == 1) {
1004 			printf("Track %u is not that long.\n", tr2);
1005 			return (0);
1006 		}
1007 	}
1008 
1009 	toc2msf(n+1, &tm, &ts, &tf);
1010 
1011 	if (!(tr2 || m2 || s2 || f2)) {
1012 		/* Play to end of disc. */
1013 		m2 = tm;
1014 		s2 = ts;
1015 		f2 = tf;
1016 	} else if (cmpmsf(m2, s2, f2, tm, ts, tf) == 1) {
1017 		printf("End time is after end of disc.\n");
1018 		return (0);
1019 	}
1020 
1021 	if (cmpmsf(m1, s1, f1, m2, s2, f2) == 1) {
1022 		printf("Start time is after end time.\n");
1023 		return (0);
1024 	}
1025 
1026 	return play_msf(m1, s1, f1, m2, s2, f2);
1027 }
1028 
1029 /* ARGSUSED */
1030 int
1031 play_prev(char *arg)
1032 {
1033 	int trk, min, sec, frm, rc;
1034 	struct ioc_toc_header h;
1035 
1036 	if (status(&trk, &min, &sec, &frm) >= 0) {
1037 		trk--;
1038 
1039 		rc = ioctl(fd, CDIOREADTOCHEADER, &h);
1040 		if (rc == -1) {
1041 			warn("getting toc header");
1042 			return (rc);
1043 		}
1044 
1045 		if (trk < h.starting_track)
1046 			return play_track(h.starting_track, 1,
1047 			    h.ending_track + 1, 1);
1048 		return play_track(trk, 1, h.ending_track, 1);
1049 	}
1050 
1051 	return (0);
1052 }
1053 
1054 /* ARGSUSED */
1055 int
1056 play_same(char *arg)
1057 {
1058 	int trk, min, sec, frm, rc;
1059 	struct ioc_toc_header h;
1060 
1061 	if (status (&trk, &min, &sec, &frm) >= 0) {
1062 		rc = ioctl(fd, CDIOREADTOCHEADER, &h);
1063 		if (rc == -1) {
1064 			warn("getting toc header");
1065 			return (rc);
1066 		}
1067 
1068 		return play_track(trk, 1, h.ending_track, 1);
1069 	}
1070 
1071 	return (0);
1072 }
1073 
1074 /* ARGSUSED */
1075 int
1076 play_next(char *arg)
1077 {
1078 	int trk, min, sec, frm, rc;
1079 	struct ioc_toc_header h;
1080 
1081 	if (status(&trk, &min, &sec, &frm) >= 0) {
1082 		trk++;
1083 		rc = ioctl(fd, CDIOREADTOCHEADER, &h);
1084 		if (rc == -1) {
1085 			warn("getting toc header");
1086 			return (rc);
1087 		}
1088 
1089 		if (trk > h.ending_track) {
1090 			printf("%s: end of CD\n", __progname);
1091 
1092 			rc = ioctl(fd, CDIOCSTOP);
1093 
1094 			(void) ioctl(fd, CDIOCALLOW);
1095 
1096 			return (rc);
1097 		}
1098 
1099 		return play_track(trk, 1, h.ending_track, 1);
1100 	}
1101 
1102 	return (0);
1103 }
1104 
1105 char *
1106 strstatus(int sts)
1107 {
1108 	switch (sts) {
1109 	case ASTS_INVALID:
1110 		return ("invalid");
1111 	case ASTS_PLAYING:
1112 		return ("playing");
1113 	case ASTS_PAUSED:
1114 		return ("paused");
1115 	case ASTS_COMPLETED:
1116 		return ("completed");
1117 	case ASTS_ERROR:
1118 		return ("error");
1119 	case ASTS_VOID:
1120 		return ("void");
1121 	default:
1122 		return ("??");
1123 	}
1124 }
1125 
1126 /* ARGSUSED */
1127 int
1128 pstatus(char *arg)
1129 {
1130 	struct ioc_vol v;
1131 	struct ioc_read_subchannel ss;
1132 	struct cd_sub_channel_info data;
1133 	int rc, trk, m, s, f;
1134 	char vis_catalog[1 + 4 * 15];
1135 
1136 	rc = status(&trk, &m, &s, &f);
1137 	if (rc >= 0) {
1138 		if (verbose) {
1139 			if (track_names)
1140 				printf("Audio status = %d<%s>, "
1141 				    "current track = %d (%s)\n"
1142 				    "\tcurrent position = %d:%02d.%02d\n",
1143 				    rc, strstatus(rc), trk,
1144 				    trk ? track_names[trk-1] : "", m, s, f);
1145 			else
1146 				printf("Audio status = %d<%s>, "
1147 				    "current track = %d, "
1148 				    "current position = %d:%02d.%02d\n",
1149 				    rc, strstatus(rc), trk, m, s, f);
1150 		} else
1151 			printf("%d %d %d:%02d.%02d\n", rc, trk, m, s, f);
1152 	} else
1153 		printf("No current status info available\n");
1154 
1155 	bzero(&ss, sizeof (ss));
1156 	ss.data = &data;
1157 	ss.data_len = sizeof (data);
1158 	ss.address_format = msf ? CD_MSF_FORMAT : CD_LBA_FORMAT;
1159 	ss.data_format = CD_MEDIA_CATALOG;
1160 	rc = ioctl(fd, CDIOCREADSUBCHANNEL, (char *) &ss);
1161 	if (rc >= 0) {
1162 		printf("Media catalog is %sactive",
1163 		ss.data->what.media_catalog.mc_valid ? "": "in");
1164 		if (ss.data->what.media_catalog.mc_valid &&
1165 		    ss.data->what.media_catalog.mc_number[0]) {
1166 			strvisx(vis_catalog,
1167 			    (char *)ss.data->what.media_catalog.mc_number,
1168 			    15, VIS_SAFE);
1169 			printf(", number \"%.15s\"", vis_catalog);
1170 		}
1171 		putchar('\n');
1172 	} else
1173 		printf("No media catalog info available\n");
1174 
1175 	rc = ioctl(fd, CDIOCGETVOL, &v);
1176 	if (rc >= 0) {
1177 		if (verbose)
1178 			printf("Left volume = %d, right volume = %d\n",
1179 			    v.vol[0], v.vol[1]);
1180 		else
1181 			printf("%d %d\n", v.vol[0], v.vol[1]);
1182 	} else
1183 		printf("No volume level info available\n");
1184 	return(0);
1185 }
1186 
1187 int
1188 cdid(void)
1189 {
1190 	unsigned long id;
1191 	struct ioc_toc_header h;
1192 	int rc, n;
1193 
1194 	rc = ioctl(fd, CDIOREADTOCHEADER, &h);
1195 	if (rc == -1) {
1196 		warn("getting toc header");
1197 		return (rc);
1198 	}
1199 
1200 	n = h.ending_track - h.starting_track + 1;
1201 	rc = read_toc_entrys((n + 1) * sizeof (struct cd_toc_entry));
1202 	if (rc < 0)
1203 		return (rc);
1204 
1205 	id = cddb_discid(n, toc_buffer);
1206 	if (id) {
1207 		if (verbose)
1208 			printf("CDID=");
1209 		printf("%08lx\n", id);
1210 	}
1211 	return id ? 0 : 1;
1212 }
1213 
1214 /* ARGSUSED */
1215 int
1216 info(char *arg)
1217 {
1218 	struct ioc_toc_header h;
1219 	int rc, i, n;
1220 
1221 	if (get_media_capabilities(mediacap, 1) == -1)
1222 		errx(1, "Can't determine media type");
1223 
1224 	rc = ioctl(fd, CDIOREADTOCHEADER, &h);
1225 	if (rc >= 0) {
1226 		if (verbose)
1227 			printf("Starting track = %d, ending track = %d, TOC size = %d bytes\n",
1228 			    h.starting_track, h.ending_track, h.len);
1229 		else
1230 			printf("%d %d %d\n", h.starting_track,
1231 			    h.ending_track, h.len);
1232 	} else {
1233 		warn("getting toc header");
1234 		return (rc);
1235 	}
1236 
1237 	n = h.ending_track - h.starting_track + 1;
1238 	rc = read_toc_entrys((n + 1) * sizeof (struct cd_toc_entry));
1239 	if (rc < 0)
1240 		return (rc);
1241 
1242 	if (verbose) {
1243 		printf("track     start  duration   block  length   type\n");
1244 		printf("-------------------------------------------------\n");
1245 	}
1246 
1247 	for (i = 0; i < n; i++) {
1248 		printf("%5d  ", toc_buffer[i].track);
1249 		prtrack(toc_buffer + i, 0, NULL);
1250 	}
1251 	printf("%5d  ", toc_buffer[n].track);
1252 	prtrack(toc_buffer + n, 1, NULL);
1253 	return (0);
1254 }
1255 
1256 int
1257 cddbinfo(char *arg)
1258 {
1259 	struct ioc_toc_header h;
1260 	int rc, i, n;
1261 
1262 	rc = ioctl(fd, CDIOREADTOCHEADER, &h);
1263 	if (rc == -1) {
1264 		warn("getting toc header");
1265 		return (rc);
1266 	}
1267 
1268 	n = h.ending_track - h.starting_track + 1;
1269 	rc = read_toc_entrys((n + 1) * sizeof (struct cd_toc_entry));
1270 	if (rc < 0)
1271 		return (rc);
1272 
1273 	if (track_names)
1274 		free_names(track_names);
1275 	track_names = NULL;
1276 
1277 	track_names = cddb(cddb_host, n, toc_buffer, arg);
1278 	if (!track_names)
1279 		return(0);
1280 
1281 	printf("-------------------------------------------------\n");
1282 
1283 	for (i = 0; i < n; i++) {
1284 		printf("%5d  ", toc_buffer[i].track);
1285 		prtrack(toc_buffer + i, 0, track_names[i]);
1286 	}
1287 	printf("%5d  ", toc_buffer[n].track);
1288 	prtrack(toc_buffer + n, 1, "");
1289 	return (0);
1290 }
1291 
1292 void
1293 lba2msf(unsigned long lba, u_char *m, u_char *s, u_char *f)
1294 {
1295 	lba += 150;		/* block start offset */
1296 	lba &= 0xffffff;	/* negative lbas use only 24 bits */
1297 	*m = lba / (60 * 75);
1298 	lba %= (60 * 75);
1299 	*s = lba / 75;
1300 	*f = lba % 75;
1301 }
1302 
1303 unsigned int
1304 msf2lba(u_char m, u_char s, u_char f)
1305 {
1306 	return (((m * 60) + s) * 75 + f) - 150;
1307 }
1308 
1309 unsigned long
1310 entry2time(struct cd_toc_entry *e)
1311 {
1312 	int block;
1313 	u_char m, s, f;
1314 
1315 	if (msf) {
1316 		return (e->addr.msf.minute * 60 + e->addr.msf.second);
1317 	} else {
1318 		block = e->addr.lba;
1319 		lba2msf(block, &m, &s, &f);
1320 		return (m*60+s);
1321 	}
1322 }
1323 
1324 unsigned long
1325 entry2frames(struct cd_toc_entry *e)
1326 {
1327 	int block;
1328 	unsigned char m, s, f;
1329 
1330 	if (msf) {
1331 		return e->addr.msf.frame + e->addr.msf.second * 75 +
1332 		    e->addr.msf.minute * 60 * 75;
1333 	} else {
1334 		block = e->addr.lba;
1335 		lba2msf(block, &m, &s, &f);
1336 		return f + s * 75 + m * 60 * 75;
1337 	}
1338 }
1339 
1340 void
1341 prtrack(struct cd_toc_entry *e, int lastflag, char *name)
1342 {
1343 	int block, next, len;
1344 	u_char m, s, f;
1345 
1346 	if (msf) {
1347 		if (!name || lastflag)
1348 			/* Print track start */
1349 			printf("%2d:%02d.%02d  ", e->addr.msf.minute,
1350 			    e->addr.msf.second, e->addr.msf.frame);
1351 
1352 		block = msf2lba(e->addr.msf.minute, e->addr.msf.second,
1353 			e->addr.msf.frame);
1354 	} else {
1355 		block = e->addr.lba;
1356 		if (!name || lastflag) {
1357 			lba2msf(block, &m, &s, &f);
1358 			/* Print track start */
1359 			printf("%2d:%02d.%02d  ", m, s, f);
1360 		}
1361 	}
1362 	if (lastflag) {
1363 		if (!name)
1364 			/* Last track -- print block */
1365 			printf("       -  %6d       -      -\n", block);
1366 		else
1367 			printf("\n");
1368 		return;
1369 	}
1370 
1371 	if (msf)
1372 		next = msf2lba(e[1].addr.msf.minute, e[1].addr.msf.second,
1373 			e[1].addr.msf.frame);
1374 	else
1375 		next = e[1].addr.lba;
1376 	len = next - block;
1377 	lba2msf(len - 150, &m, &s, &f);
1378 
1379 	if (name)
1380 		printf("%2d:%02d.%02d  %s\n", m, s, f, name);
1381 	/* Print duration, block, length, type */
1382 	else
1383 		printf("%2d:%02d.%02d  %6d  %6d  %5s\n", m, s, f, block, len,
1384 		    (e->control & 4) ? "data" : "audio");
1385 }
1386 
1387 int
1388 play_track(int tstart, int istart, int tend, int iend)
1389 {
1390 	struct ioc_play_track t;
1391 
1392 	t.start_track = tstart;
1393 	t.start_index = istart;
1394 	t.end_track = tend;
1395 	t.end_index = iend;
1396 
1397 	return ioctl(fd, CDIOCPLAYTRACKS, &t);
1398 }
1399 
1400 int
1401 play_blocks(int blk, int len)
1402 {
1403 	struct ioc_play_blocks  t;
1404 
1405 	t.blk = blk;
1406 	t.len = len;
1407 
1408 	return ioctl(fd, CDIOCPLAYBLOCKS, &t);
1409 }
1410 
1411 int
1412 setvol(int left, int right)
1413 {
1414 	struct ioc_vol  v;
1415 
1416 	v.vol[0] = left;
1417 	v.vol[1] = right;
1418 	v.vol[2] = 0;
1419 	v.vol[3] = 0;
1420 
1421 	return ioctl(fd, CDIOCSETVOL, &v);
1422 }
1423 
1424 int
1425 read_toc_entrys(int len)
1426 {
1427 	struct ioc_read_toc_entry t;
1428 
1429 	if (toc_buffer) {
1430 		free(toc_buffer);
1431 		toc_buffer = 0;
1432 	}
1433 
1434 	toc_buffer = malloc(len);
1435 
1436 	if (!toc_buffer) {
1437 		errno = ENOMEM;
1438 		return (-1);
1439 	}
1440 
1441 	t.address_format = msf ? CD_MSF_FORMAT : CD_LBA_FORMAT;
1442 	t.starting_track = 0;
1443 	t.data_len = len;
1444 	t.data = toc_buffer;
1445 
1446 	return (ioctl(fd, CDIOREADTOCENTRYS, (char *) &t));
1447 }
1448 
1449 int
1450 play_msf(int start_m, int start_s, int start_f, int end_m, int end_s, int end_f)
1451 {
1452 	struct ioc_play_msf a;
1453 
1454 	a.start_m = start_m;
1455 	a.start_s = start_s;
1456 	a.start_f = start_f;
1457 	a.end_m = end_m;
1458 	a.end_s = end_s;
1459 	a.end_f = end_f;
1460 
1461 	return ioctl(fd, CDIOCPLAYMSF, (char *) &a);
1462 }
1463 
1464 int
1465 status(int *trk, int *min, int *sec, int *frame)
1466 {
1467 	struct ioc_read_subchannel s;
1468 	struct cd_sub_channel_info data;
1469 	u_char mm, ss, ff;
1470 
1471 	bzero(&s, sizeof (s));
1472 	s.data = &data;
1473 	s.data_len = sizeof (data);
1474 	s.address_format = msf ? CD_MSF_FORMAT : CD_LBA_FORMAT;
1475 	s.data_format = CD_CURRENT_POSITION;
1476 
1477 	if (ioctl(fd, CDIOCREADSUBCHANNEL, (char *) &s) == -1)
1478 		return -1;
1479 
1480 	*trk = s.data->what.position.track_number;
1481 	if (msf) {
1482 		*min = s.data->what.position.reladdr.msf.minute;
1483 		*sec = s.data->what.position.reladdr.msf.second;
1484 		*frame = s.data->what.position.reladdr.msf.frame;
1485 	} else {
1486 		/*
1487 		 * NOTE: CDIOCREADSUBCHANNEL does not put the lba info into
1488 		 * host order like CDIOREADTOCENTRYS does.
1489 		 */
1490 		lba2msf(betoh32(s.data->what.position.reladdr.lba), &mm, &ss,
1491 		    &ff);
1492 		*min = mm;
1493 		*sec = ss;
1494 		*frame = ff;
1495 	}
1496 
1497 	return s.data->header.audio_status;
1498 }
1499 
1500 char *
1501 input(int *cmd)
1502 {
1503 	char *buf;
1504 	int siz = 0;
1505 	char *p;
1506 	HistEvent hev;
1507 
1508 	do {
1509 		if ((buf = (char *) el_gets(el, &siz)) == NULL || !siz) {
1510 			*cmd = CMD_QUIT;
1511 			fprintf(stderr, "\r\n");
1512 			return (0);
1513 		}
1514 		if (strlen(buf) > 1)
1515 			history(hist, &hev, H_ENTER, buf);
1516 		p = parse(buf, cmd);
1517 	} while (!p);
1518 	return (p);
1519 }
1520 
1521 char *
1522 parse(char *buf, int *cmd)
1523 {
1524 	struct cmdtab *c;
1525 	char *p;
1526 	size_t len;
1527 
1528 	for (p=buf; isspace((unsigned char)*p); p++)
1529 		continue;
1530 
1531 	if (isdigit((unsigned char)*p) ||
1532 	    (p[0] == '#' && isdigit((unsigned char)p[1]))) {
1533 		*cmd = CMD_PLAY;
1534 		return (p);
1535 	}
1536 
1537 	for (buf = p; *p && ! isspace((unsigned char)*p); p++)
1538 		continue;
1539 
1540 	len = p - buf;
1541 	if (!len)
1542 		return (0);
1543 
1544 	if (*p) {		/* It must be a spacing character! */
1545 		char *q;
1546 
1547 		*p++ = 0;
1548 		for (q=p; *q && *q != '\n' && *q != '\r'; q++)
1549 			continue;
1550 		*q = 0;
1551 	}
1552 
1553 	*cmd = -1;
1554 	for (c=cmdtab; c->name; ++c) {
1555 		/* Is it an exact match? */
1556 		if (!strcasecmp(buf, c->name)) {
1557 			*cmd = c->command;
1558 			break;
1559 		}
1560 
1561 		/* Try short hand forms then... */
1562 		if (len >= c->min && ! strncasecmp(buf, c->name, len)) {
1563 			if (*cmd != -1 && *cmd != c->command) {
1564 				fprintf(stderr, "Ambiguous command\n");
1565 				return (0);
1566 			}
1567 			*cmd = c->command;
1568 		}
1569 	}
1570 
1571 	if (*cmd == -1) {
1572 		fprintf(stderr, "%s: Invalid command, enter ``help'' for commands.\n",
1573 		    __progname);
1574 		return (0);
1575 	}
1576 
1577 	while (isspace((unsigned char)*p))
1578 		p++;
1579 	return p;
1580 }
1581 
1582 int
1583 open_cd(char *dev, int needwrite)
1584 {
1585 	char *realdev;
1586 	int tries;
1587 
1588 	if (fd > -1) {
1589 		if (needwrite && !writeperm) {
1590 			close(fd);
1591 			fd = -1;
1592 		} else
1593 			return (1);
1594 	}
1595 
1596 	for (tries = 0; fd < 0 && tries < 10; tries++) {
1597 		if (needwrite)
1598 			fd = opendev(dev, O_RDWR, OPENDEV_PART, &realdev);
1599 		else
1600 			fd = opendev(dev, O_RDONLY, OPENDEV_PART, &realdev);
1601 		if (fd == -1) {
1602 			if (errno == ENXIO) {
1603 				/*  ENXIO has an overloaded meaning here.
1604 				 *  The original "Device not configured" should
1605 				 *  be interpreted as "No disc in drive %s". */
1606 				warnx("No disc in drive %s.", realdev);
1607 				return (0);
1608 			} else if (errno != EIO) {
1609 				/*  EIO may simply mean the device is not ready
1610 				 *  yet which is common with CD changers. */
1611 				warn("Can't open %s", realdev);
1612 				return (0);
1613 			}
1614 		}
1615 		sleep(1);
1616 	}
1617 	if (fd == -1) {
1618 		warn("Can't open %s", realdev);
1619 		return (0);
1620 	}
1621 	writeperm = needwrite;
1622 	return (1);
1623 }
1624 
1625 char *
1626 prompt(void)
1627 {
1628 	return (verbose ? "cdio> " : "");
1629 }
1630 
1631 void
1632 switch_el(void)
1633 {
1634 	HistEvent hev;
1635 
1636 	if (el == NULL && hist == NULL) {
1637 		el = el_init(__progname, stdin, stdout, stderr);
1638 		hist = history_init();
1639 		history(hist, &hev, H_SETSIZE, 100);
1640 		el_set(el, EL_HIST, history, hist);
1641 		el_set(el, EL_EDITOR, "emacs");
1642 		el_set(el, EL_PROMPT, prompt);
1643 		el_set(el, EL_SIGNAL, 1);
1644 		el_source(el, NULL);
1645 
1646 	} else {
1647 		if (hist != NULL) {
1648 			history_end(hist);
1649 			hist = NULL;
1650 		}
1651 		if (el != NULL) {
1652 			el_end(el);
1653 			el = NULL;
1654 		}
1655 	}
1656 }
1657 
1658 void
1659 addmsf(u_int *m, u_int *s, u_int *f, u_char m_inc, u_char s_inc, u_char f_inc)
1660 {
1661 	*f += f_inc;
1662 	if (*f > 75) {
1663 		*s += *f / 75;
1664 		*f %= 75;
1665 	}
1666 
1667 	*s += s_inc;
1668 	if (*s > 60) {
1669 		*m += *s / 60;
1670 		*s %= 60;
1671 	}
1672 
1673 	*m += m_inc;
1674 }
1675 
1676 int
1677 cmpmsf(u_char m1, u_char s1, u_char f1, u_char m2, u_char s2, u_char f2)
1678 {
1679 	if (m1 > m2)
1680 		return (1);
1681 	else if (m1 < m2)
1682 		return (-1);
1683 
1684 	if (s1 > s2)
1685 		return (1);
1686 	else if (s1 < s2)
1687 		return (-1);
1688 
1689 	if  (f1 > f2)
1690 		return (1);
1691 	else if (f1 < f2)
1692 		return (-1);
1693 
1694 	return (0);
1695 }
1696 
1697 void
1698 toc2msf(u_int track, u_char *m, u_char *s, u_char *f)
1699 {
1700 	struct cd_toc_entry *ctep;
1701 
1702 	ctep = &toc_buffer[track - 1];
1703 
1704 	if (msf) {
1705 		*m = ctep->addr.msf.minute;
1706 		*s = ctep->addr.msf.second;
1707 		*f = ctep->addr.msf.frame;
1708 	} else
1709 		lba2msf(ctep->addr.lba, m, s, f);
1710 }
1711