2 * Compact Disc Control Utility by Serge V. Vakulenko <vak@cronyx.ru>.
3 * Based on the non-X based CD player by Jean-Marc Zucconi and
6 * Fixed and further modified on 5-Sep-1995 by Jukka Ukkonen <jau@funet.fi>.
8 * 11-Sep-1995: Jukka A. Ukkonen <jau@funet.fi>
9 * A couple of further fixes to my own earlier "fixes".
11 * 18-Sep-1995: Jukka A. Ukkonen <jau@funet.fi>
12 * Added an ability to specify addresses relative to the
13 * beginning of a track. This is in fact a variation of
14 * doing the simple play_msf() call.
16 * 11-Oct-1995: Serge V.Vakulenko <vak@cronyx.ru>
17 * New eject algorithm.
18 * Some code style reformatting.
20 * $FreeBSD: src/usr.sbin/cdcontrol/cdcontrol.c,v 1.24.2.11 2002/11/20 00:26:19 njl Exp $
21 * $DragonFly: src/usr.sbin/cdcontrol/cdcontrol.c,v 1.5 2003/11/15 23:33:35 eirikn Exp $
25 #include <sys/cdrio.h>
27 #include <sys/ioctl.h>
28 #include <sys/param.h>
43 #define ASTS_INVALID 0x00 /* Audio status byte not valid */
44 #define ASTS_PLAYING 0x11 /* Audio play operation in progress */
45 #define ASTS_PAUSED 0x12 /* Audio play operation paused */
46 #define ASTS_COMPLETED 0x13 /* Audio play operation successfully completed */
47 #define ASTS_ERROR 0x14 /* Audio play operation stopped due to error */
48 #define ASTS_VOID 0x15 /* No current audio status to return */
50 #ifndef DEFAULT_CD_DRIVE
51 # define DEFAULT_CD_DRIVE "/dev/cd0c"
54 #ifndef DEFAULT_CD_PARTITION
55 # define DEFAULT_CD_PARTITION "c"
74 #define CMD_PREVIOUS 17
76 #define STATUS_AUDIO 0x1
77 #define STATUS_MEDIA 0x2
78 #define STATUS_VOLUME 0x4
86 { CMD_CLOSE, "close", 1, "" },
87 { CMD_DEBUG, "debug", 1, "on | off" },
88 { CMD_EJECT, "eject", 1, "" },
89 { CMD_HELP, "?", 1, 0 },
90 { CMD_HELP, "help", 1, "" },
91 { CMD_INFO, "info", 1, "" },
92 { CMD_NEXT, "next", 1, "" },
93 { CMD_PAUSE, "pause", 2, "" },
94 { CMD_PLAY, "play", 1, "min1:sec1[.fram1] [min2:sec2[.fram2]]" },
95 { CMD_PLAY, "play", 1, "track1[.index1] [track2[.index2]]" },
96 { CMD_PLAY, "play", 1, "tr1 m1:s1[.f1] [[tr2] [m2:s2[.f2]]]" },
97 { CMD_PLAY, "play", 1, "[#block [len]]" },
98 { CMD_PREVIOUS, "previous", 2, "" },
99 { CMD_QUIT, "quit", 1, "" },
100 { CMD_RESET, "reset", 4, "" },
101 { CMD_RESUME, "resume", 1, "" },
102 { CMD_SET, "set", 2, "msf | lba" },
103 { CMD_STATUS, "status", 1, "[audio | media | volume]" },
104 { CMD_STOP, "stop", 3, "" },
105 { CMD_VOLUME, "volume", 1,
106 "<l> <r> | left | right | mute | mono | stereo" },
107 { CMD_CDID, "cdid", 2, "" },
108 { CMD_SPEED, "speed", 2, "speed" },
112 struct cd_toc_entry toc_buffer[100];
119 int setvol(int, int);
120 int read_toc_entrys(int);
121 int play_msf(int, int, int, int, int, int);
122 int play_track(int, int, int, int);
123 int get_vol(int *, int *);
124 int status(int *, int *, int *, int *);
126 int next_prev(char *arg, int);
130 int pstatus(char *arg);
132 void prtrack(struct cd_toc_entry *e, int lastflag);
133 void lba2msf(unsigned long lba,
134 u_char *m, u_char *s, u_char *f);
135 unsigned int msf2lba(u_char m, u_char s, u_char f);
136 int play_blocks(int blk, int len);
137 int run(int cmd, char *arg);
138 char *parse(char *buf, int *cmd);
141 char *use_cdrom_instead(const char *);
142 const char *strstatus(int);
143 static u_int dbprog_discid(void);
144 const char *cdcontrol_prompt(void);
154 for (c=cmdtab; c->name; ++c) {
158 for (i = c->min, s = c->name; *s; s++, i--) {
166 printf (" %s", c->args);
169 printf ("\n\tThe word \"play\" is not required for the play commands.\n");
170 printf ("\tThe plain target address is taken as a synonym for play.\n");
176 fprintf (stderr, "usage: cdcontrol [-sv] [-f device] [command ...]\n");
181 *use_cdrom_instead(const char *old_envvar)
185 device = getenv(old_envvar);
187 warnx("%s environment variable deprecated, "
188 "please use CDROM in the future.", old_envvar);
194 main(int argc, char **argv)
200 switch (getopt (argc, argv, "svhf:")) {
221 if (argc > 0 && ! strcasecmp (*argv, "help"))
225 cdname = getenv("CDROM");
229 cdname = use_cdrom_instead("MUSIC_CD");
231 cdname = use_cdrom_instead("CD_DRIVE");
233 cdname = use_cdrom_instead("DISC");
235 cdname = use_cdrom_instead("CDPLAY");
238 cdname = DEFAULT_CD_DRIVE;
239 warnx("no CD device name specified, defaulting to %s", cdname);
246 for (p=buf; argc-->0; ++argv) {
247 len = strlen (*argv);
249 if (p + len >= buf + sizeof (buf) - 1)
259 arg = parse (buf, &cmd);
260 return (run (cmd, arg));
264 verbose = isatty (0);
267 printf ("Compact Disc Control utility, version %s\n", VERSION);
268 printf ("Type `?' for command list\n\n");
273 if (run (cmd, arg) < 0) {
284 run(int cmd, char *arg)
295 if (fd < 0 && ! open_cd ())
301 if (fd < 0 && ! open_cd ())
307 if (fd < 0 && ! open_cd ())
310 return pstatus (arg);
314 if (fd < 0 && ! open_cd ())
317 while (isspace (*arg))
320 return next_prev (arg, cmd);
323 if (fd < 0 && ! open_cd ())
326 return ioctl (fd, CDIOCPAUSE);
329 if (fd < 0 && ! open_cd ())
332 return ioctl (fd, CDIOCRESUME);
335 if (fd < 0 && ! open_cd ())
338 rc = ioctl (fd, CDIOCSTOP);
340 (void) ioctl (fd, CDIOCALLOW);
345 if (fd < 0 && ! open_cd ())
348 rc = ioctl (fd, CDIOCRESET);
356 if (fd < 0 && ! open_cd ())
359 if (! strcasecmp (arg, "on"))
360 return ioctl (fd, CDIOCSETDEBUG);
362 if (! strcasecmp (arg, "off"))
363 return ioctl (fd, CDIOCCLRDEBUG);
365 warnx("invalid command arguments");
370 if (fd < 0 && ! open_cd ())
373 (void) ioctl (fd, CDIOCALLOW);
374 rc = ioctl (fd, CDIOCEJECT);
380 if (fd < 0 && ! open_cd ())
383 (void) ioctl (fd, CDIOCALLOW);
384 rc = ioctl (fd, CDIOCCLOSE);
392 if (fd < 0 && ! open_cd ())
395 while (isspace (*arg))
401 if (! strcasecmp (arg, "msf"))
403 else if (! strcasecmp (arg, "lba"))
406 warnx("invalid command arguments");
410 if (fd < 0 && !open_cd ())
413 if (! strncasecmp (arg, "left", strlen(arg)))
414 return ioctl (fd, CDIOCSETLEFT);
416 if (! strncasecmp (arg, "right", strlen(arg)))
417 return ioctl (fd, CDIOCSETRIGHT);
419 if (! strncasecmp (arg, "mono", strlen(arg)))
420 return ioctl (fd, CDIOCSETMONO);
422 if (! strncasecmp (arg, "stereo", strlen(arg)))
423 return ioctl (fd, CDIOCSETSTERIO);
425 if (! strncasecmp (arg, "mute", strlen(arg)))
426 return ioctl (fd, CDIOCSETMUTE);
428 if (2 != sscanf (arg, "%d %d", &l, &r)) {
429 warnx("invalid command arguments");
433 return setvol (l, r);
436 if (fd < 0 && ! open_cd ())
440 if (strcasecmp("max", arg) == 0)
441 speed = CDR_MAX_SPEED;
443 speed = strtol(arg, NULL, 10) * 177;
444 if (speed <= 0 || speed > INT_MAX) {
445 warnx("invalid command arguments %s", arg);
448 return ioctl(fd, CDRIOCREADSPEED, &speed);
461 struct ioc_toc_header h;
463 int rc, start, end = 0, istart = 1, iend = 1;
465 rc = ioctl (fd, CDIOREADTOCHEADER, &h);
470 n = h.ending_track - h.starting_track + 1;
471 rc = read_toc_entrys ((n + 1) * sizeof (struct cd_toc_entry));
476 if (! arg || ! *arg) {
477 /* Play the whole disc */
479 return play_blocks (0, msf2lba (toc_buffer[n].addr.msf.minute,
480 toc_buffer[n].addr.msf.second,
481 toc_buffer[n].addr.msf.frame));
483 return play_blocks (0, ntohl(toc_buffer[n].addr.lba));
486 if (strchr (arg, '#')) {
487 /* Play block #blk [ len ] */
490 if (2 != sscanf (arg, "#%d%d", &blk, &len) &&
491 1 != sscanf (arg, "#%d", &blk))
496 len = msf2lba (toc_buffer[n].addr.msf.minute,
497 toc_buffer[n].addr.msf.second,
498 toc_buffer[n].addr.msf.frame) - blk;
500 len = ntohl(toc_buffer[n].addr.lba) - blk;
502 return play_blocks (blk, len);
505 if (strchr (arg, ':')) {
507 * Play MSF m1:s1 [ .f1 ] [ m2:s2 [ .f2 ] ]
509 * Will now also undestand timed addresses relative
510 * to the beginning of a track in the form...
512 * tr1 m1:s1[.f1] [[tr2] [m2:s2[.f2]]]
515 unsigned m1, m2, s1, s2, f1, f2;
516 unsigned char tm, ts, tf;
518 tr2 = m2 = s2 = f2 = f1 = 0;
519 if (8 == sscanf (arg, "%d %d:%d.%d %d %d:%d.%d",
520 &tr1, &m1, &s1, &f1, &tr2, &m2, &s2, &f2))
521 goto Play_Relative_Addresses;
523 tr2 = m2 = s2 = f2 = f1 = 0;
524 if (7 == sscanf (arg, "%d %d:%d %d %d:%d.%d",
525 &tr1, &m1, &s1, &tr2, &m2, &s2, &f2))
526 goto Play_Relative_Addresses;
528 tr2 = m2 = s2 = f2 = f1 = 0;
529 if (7 == sscanf (arg, "%d %d:%d.%d %d %d:%d",
530 &tr1, &m1, &s1, &f1, &tr2, &m2, &s2))
531 goto Play_Relative_Addresses;
533 tr2 = m2 = s2 = f2 = f1 = 0;
534 if (7 == sscanf (arg, "%d %d:%d.%d %d:%d.%d",
535 &tr1, &m1, &s1, &f1, &m2, &s2, &f2))
536 goto Play_Relative_Addresses;
538 tr2 = m2 = s2 = f2 = f1 = 0;
539 if (6 == sscanf (arg, "%d %d:%d.%d %d:%d",
540 &tr1, &m1, &s1, &f1, &m2, &s2))
541 goto Play_Relative_Addresses;
543 tr2 = m2 = s2 = f2 = f1 = 0;
544 if (6 == sscanf (arg, "%d %d:%d %d:%d.%d",
545 &tr1, &m1, &s1, &m2, &s2, &f2))
546 goto Play_Relative_Addresses;
548 tr2 = m2 = s2 = f2 = f1 = 0;
549 if (6 == sscanf (arg, "%d %d:%d.%d %d %d",
550 &tr1, &m1, &s1, &f1, &tr2, &m2))
551 goto Play_Relative_Addresses;
553 tr2 = m2 = s2 = f2 = f1 = 0;
554 if (5 == sscanf (arg, "%d %d:%d %d:%d", &tr1, &m1, &s1, &m2, &s2))
555 goto Play_Relative_Addresses;
557 tr2 = m2 = s2 = f2 = f1 = 0;
558 if (5 == sscanf (arg, "%d %d:%d %d %d",
559 &tr1, &m1, &s1, &tr2, &m2))
560 goto Play_Relative_Addresses;
562 tr2 = m2 = s2 = f2 = f1 = 0;
563 if (5 == sscanf (arg, "%d %d:%d.%d %d",
564 &tr1, &m1, &s1, &f1, &tr2))
565 goto Play_Relative_Addresses;
567 tr2 = m2 = s2 = f2 = f1 = 0;
568 if (4 == sscanf (arg, "%d %d:%d %d", &tr1, &m1, &s1, &tr2))
569 goto Play_Relative_Addresses;
571 tr2 = m2 = s2 = f2 = f1 = 0;
572 if (4 == sscanf (arg, "%d %d:%d.%d", &tr1, &m1, &s1, &f1))
573 goto Play_Relative_Addresses;
575 tr2 = m2 = s2 = f2 = f1 = 0;
576 if (3 == sscanf (arg, "%d %d:%d", &tr1, &m1, &s1))
577 goto Play_Relative_Addresses;
579 tr2 = m2 = s2 = f2 = f1 = 0;
580 goto Try_Absolute_Timed_Addresses;
582 Play_Relative_Addresses:
589 tm = toc_buffer[tr1].addr.msf.minute;
590 ts = toc_buffer[tr1].addr.msf.second;
591 tf = toc_buffer[tr1].addr.msf.frame;
593 lba2msf(ntohl(toc_buffer[tr1].addr.lba),
600 printf ("Track %d is not that long.\n", tr1);
621 if (m2 || s2 || f2) {
639 m2 = toc_buffer[n].addr.msf.minute;
640 s2 = toc_buffer[n].addr.msf.second;
641 f2 = toc_buffer[n].addr.msf.frame;
643 lba2msf(ntohl(toc_buffer[n].addr.lba),
650 } else if (tr2 > n) {
657 tm = toc_buffer[tr2].addr.msf.minute;
658 ts = toc_buffer[tr2].addr.msf.second;
659 tf = toc_buffer[tr2].addr.msf.frame;
661 lba2msf(ntohl(toc_buffer[tr2].addr.lba),
679 tm = toc_buffer[n].addr.msf.minute;
680 ts = toc_buffer[n].addr.msf.second;
681 tf = toc_buffer[n].addr.msf.frame;
683 lba2msf(ntohl(toc_buffer[n].addr.lba),
691 printf ("The playing time of the disc is not that long.\n");
694 return (play_msf (m1, s1, f1, m2, s2, f2));
696 Try_Absolute_Timed_Addresses:
697 if (6 != sscanf (arg, "%d:%d.%d%d:%d.%d",
698 &m1, &s1, &f1, &m2, &s2, &f2) &&
699 5 != sscanf (arg, "%d:%d.%d%d:%d", &m1, &s1, &f1, &m2, &s2) &&
700 5 != sscanf (arg, "%d:%d%d:%d.%d", &m1, &s1, &m2, &s2, &f2) &&
701 3 != sscanf (arg, "%d:%d.%d", &m1, &s1, &f1) &&
702 4 != sscanf (arg, "%d:%d%d:%d", &m1, &s1, &m2, &s2) &&
703 2 != sscanf (arg, "%d:%d", &m1, &s1))
708 m2 = toc_buffer[n].addr.msf.minute;
709 s2 = toc_buffer[n].addr.msf.second;
710 f2 = toc_buffer[n].addr.msf.frame;
712 lba2msf(ntohl(toc_buffer[n].addr.lba),
719 return play_msf (m1, s1, f1, m2, s2, f2);
723 * Play track trk1 [ .idx1 ] [ trk2 [ .idx2 ] ]
725 if (4 != sscanf (arg, "%d.%d%d.%d", &start, &istart, &end, &iend) &&
726 3 != sscanf (arg, "%d.%d%d", &start, &istart, &end) &&
727 3 != sscanf (arg, "%d%d.%d", &start, &end, &iend) &&
728 2 != sscanf (arg, "%d.%d", &start, &istart) &&
729 2 != sscanf (arg, "%d%d", &start, &end) &&
730 1 != sscanf (arg, "%d", &start))
735 return (play_track (start, istart, end, iend));
738 warnx("invalid command arguments");
743 next_prev(char *arg, int cmd)
745 struct ioc_toc_header h;
746 int dir, junk, n, off, rc, trk;
748 dir = (cmd == CMD_NEXT) ? 1 : -1;
749 rc = ioctl (fd, CDIOREADTOCHEADER, &h);
753 n = h.ending_track - h.starting_track + 1;
754 rc = status (&trk, &junk, &junk, &junk);
759 if (sscanf (arg, "%u", &off) != 1) {
760 warnx("invalid command argument");
767 if (trk > h.ending_track)
770 return (play_track (trk, 1, n, 1));
777 case ASTS_INVALID: return ("invalid");
778 case ASTS_PLAYING: return ("playing");
779 case ASTS_PAUSED: return ("paused");
780 case ASTS_COMPLETED: return ("completed");
781 case ASTS_ERROR: return ("error");
782 case ASTS_VOID: return ("void");
783 default: return ("??");
791 struct ioc_read_subchannel ss;
792 struct cd_sub_channel_info data;
793 int rc, trk, m, s, f;
795 char *p, vmcn[(4 * 15) + 1];
797 while ((p = strtok(arg, " \t"))) {
799 if (!strncasecmp(p, "audio", strlen(p)))
800 what |= STATUS_AUDIO;
801 else if (!strncasecmp(p, "media", strlen(p)))
802 what |= STATUS_MEDIA;
803 else if (!strncasecmp(p, "volume", strlen(p)))
804 what |= STATUS_VOLUME;
806 warnx("invalid command arguments");
811 what = STATUS_AUDIO|STATUS_MEDIA|STATUS_VOLUME;
812 if (what & STATUS_AUDIO) {
813 rc = status (&trk, &m, &s, &f);
816 printf ("Audio status = %d<%s>, current track = %d, current position = %d:%02d.%02d\n",
817 rc, strstatus (rc), trk, m, s, f);
819 printf ("%d %d %d:%02d.%02d\n", rc, trk, m, s, f);
821 printf ("No current status info available\n");
823 if (what & STATUS_MEDIA) {
824 bzero (&ss, sizeof (ss));
826 ss.data_len = sizeof (data);
827 ss.address_format = msf ? CD_MSF_FORMAT : CD_LBA_FORMAT;
828 ss.data_format = CD_MEDIA_CATALOG;
829 rc = ioctl (fd, CDIOCREADSUBCHANNEL, (char *) &ss);
831 printf("Media catalog is %sactive",
832 ss.data->what.media_catalog.mc_valid ? "": "in");
833 if (ss.data->what.media_catalog.mc_valid &&
834 ss.data->what.media_catalog.mc_number[0])
836 strvisx (vmcn, ss.data->what.media_catalog.mc_number,
837 (sizeof (vmcn) - 1) / 4, VIS_OCTAL | VIS_NL);
838 printf(", number \"%.*s\"", (int)sizeof (vmcn), vmcn);
842 printf("No media catalog info available\n");
844 if (what & STATUS_VOLUME) {
845 rc = ioctl (fd, CDIOCGETVOL, &v);
848 printf ("Left volume = %d, right volume = %d\n",
851 printf ("%d %d\n", v.vol[0], v.vol[1]);
853 printf ("No volume level info available\n");
860 * Convert an integer to its text string representation, and
861 * compute its checksum. Used by dbprog_discid to derive the
865 * n - The integer value.
868 * The integer checksum.
877 /* For backward compatibility this algorithm must not change */
878 sprintf(buf, "%u", n);
879 for (p = buf; *p != '\0'; p++)
888 * Compute a magic disc ID based on the number of tracks,
889 * the length of each track, and a checksum of the string
890 * that represents the offset of each track.
893 * s - Pointer to the curstat_t structure.
896 * The integer disc ID.
901 struct ioc_toc_header h;
907 rc = ioctl (fd, CDIOREADTOCHEADER, &h);
910 ntr = h.ending_track - h.starting_track + 1;
913 rc = read_toc_entrys ((ntr + 1) * sizeof (struct cd_toc_entry));
917 /* For backward compatibility this algorithm must not change */
918 for (i = 0; i < ntr; i++) {
919 #define TC_MM(a) toc_buffer[a].addr.msf.minute
920 #define TC_SS(a) toc_buffer[a].addr.msf.second
921 n += dbprog_sum((TC_MM(i) * 60) + TC_SS(i));
923 t += ((TC_MM(i+1) * 60) + TC_SS(i+1)) -
924 ((TC_MM(i) * 60) + TC_SS(i));
927 return((n % 0xff) << 24 | t << 8 | ntr);
935 id = dbprog_discid();
940 printf ("%08x\n",id);
946 info(char *arg __unused)
948 struct ioc_toc_header h;
951 rc = ioctl (fd, CDIOREADTOCHEADER, &h);
954 printf ("Starting track = %d, ending track = %d, TOC size = %d bytes\n",
955 h.starting_track, h.ending_track, h.len);
957 printf ("%d %d %d\n", h.starting_track,
958 h.ending_track, h.len);
960 warn("getting toc header");
964 n = h.ending_track - h.starting_track + 1;
965 rc = read_toc_entrys ((n + 1) * sizeof (struct cd_toc_entry));
970 printf ("track start duration block length type\n");
971 printf ("-------------------------------------------------\n");
974 for (i = 0; i < n; i++) {
975 printf ("%5d ", toc_buffer[i].track);
976 prtrack (toc_buffer + i, 0);
978 printf ("%5d ", toc_buffer[n].track);
979 prtrack (toc_buffer + n, 1);
984 lba2msf(unsigned long lba, u_char *m, u_char *s, u_char *f)
986 lba += 150; /* block start offset */
987 lba &= 0xffffff; /* negative lbas use only 24 bits */
988 *m = lba / (60 * 75);
995 msf2lba(u_char m, u_char s, u_char f)
997 return (((m * 60) + s) * 75 + f) - 150;
1001 prtrack(struct cd_toc_entry *e, int lastflag)
1003 int block, next, len;
1007 /* Print track start */
1008 printf ("%2d:%02d.%02d ", e->addr.msf.minute,
1009 e->addr.msf.second, e->addr.msf.frame);
1011 block = msf2lba (e->addr.msf.minute, e->addr.msf.second,
1014 block = ntohl(e->addr.lba);
1015 lba2msf(block, &m, &s, &f);
1016 /* Print track start */
1017 printf ("%2d:%02d.%02d ", m, s, f);
1020 /* Last track -- print block */
1021 printf (" - %6d - -\n", block);
1026 next = msf2lba (e[1].addr.msf.minute, e[1].addr.msf.second,
1027 e[1].addr.msf.frame);
1029 next = ntohl(e[1].addr.lba);
1031 /* Take into account a start offset time. */
1032 lba2msf (len - 150, &m, &s, &f);
1034 /* Print duration, block, length, type */
1035 printf ("%2d:%02d.%02d %6d %6d %5s\n", m, s, f, block, len,
1036 (e->control & 4) ? "data" : "audio");
1040 play_track(int tstart, int istart, int tend, int iend)
1042 struct ioc_play_track t;
1044 t.start_track = tstart;
1045 t.start_index = istart;
1049 return ioctl (fd, CDIOCPLAYTRACKS, &t);
1053 play_blocks(int blk, int len)
1055 struct ioc_play_blocks t;
1060 return ioctl (fd, CDIOCPLAYBLOCKS, &t);
1064 setvol(int left, int right)
1073 return ioctl (fd, CDIOCSETVOL, &v);
1077 read_toc_entrys(int len)
1079 struct ioc_read_toc_entry t;
1081 t.address_format = msf ? CD_MSF_FORMAT : CD_LBA_FORMAT;
1082 t.starting_track = 0;
1084 t.data = toc_buffer;
1086 return (ioctl (fd, CDIOREADTOCENTRYS, (char *) &t));
1090 play_msf(int start_m, int start_s, int start_f,
1091 int end_m, int end_s, int end_f)
1093 struct ioc_play_msf a;
1095 a.start_m = start_m;
1096 a.start_s = start_s;
1097 a.start_f = start_f;
1102 return ioctl (fd, CDIOCPLAYMSF, (char *) &a);
1106 status(int *trk, int *min, int *sec, int *frame)
1108 struct ioc_read_subchannel s;
1109 struct cd_sub_channel_info data;
1112 bzero (&s, sizeof (s));
1114 s.data_len = sizeof (data);
1115 s.address_format = msf ? CD_MSF_FORMAT : CD_LBA_FORMAT;
1116 s.data_format = CD_CURRENT_POSITION;
1118 if (ioctl (fd, CDIOCREADSUBCHANNEL, (char *) &s) < 0)
1121 *trk = s.data->what.position.track_number;
1123 *min = s.data->what.position.reladdr.msf.minute;
1124 *sec = s.data->what.position.reladdr.msf.second;
1125 *frame = s.data->what.position.reladdr.msf.frame;
1127 lba2msf(ntohl(s.data->what.position.reladdr.lba),
1134 return s.data->header.audio_status;
1138 cdcontrol_prompt(void)
1140 return ("cdcontrol> ");
1147 static EditLine *el = NULL;
1148 static History *hist = NULL;
1149 static char buf[MAXLINE];
1152 const char *bp = NULL;
1158 el = el_init("cdcontrol", stdin, stdout);
1159 hist = history_init();
1160 history(hist, H_EVENT, 100);
1161 el_set(el, EL_HIST, history, hist);
1162 el_set(el, EL_EDITOR, "emacs");
1163 el_set(el, EL_PROMPT, cdcontrol_prompt);
1164 el_set(el, EL_SIGNAL, 1);
1165 el_source(el, NULL);
1167 if ((bp = el_gets(el, &num)) == NULL || num == 0) {
1169 fprintf (stderr, "\r\n");
1173 len = (num > MAXLINE) ? MAXLINE : num;
1174 memcpy(buf, bp, len);
1176 history(hist, H_ENTER, bp);
1180 if (! fgets (buf, sizeof (buf), stdin)) {
1182 fprintf (stderr, "\r\n");
1186 p = parse (buf, cmd);
1192 *parse(char *buf, int *cmd)
1198 for (p=buf; isspace (*p); p++)
1201 if (isdigit (*p) || (p[0] == '#' && isdigit (p[1]))) {
1204 } else if (*p == '+') {
1207 } else if (*p == '-') {
1208 *cmd = CMD_PREVIOUS;
1212 for (buf = p; *p && ! isspace (*p); p++)
1219 if (*p) { /* It must be a spacing character! */
1223 for (q=p; *q && *q != '\n' && *q != '\r'; q++)
1229 for (c=cmdtab; c->name; ++c) {
1230 /* Is it an exact match? */
1231 if (! strcasecmp (buf, c->name)) {
1236 /* Try short hand forms then... */
1237 if (len >= c->min && ! strncasecmp (buf, c->name, len)) {
1238 if (*cmd != -1 && *cmd != c->command) {
1239 warnx("ambiguous command");
1247 warnx("invalid command, enter ``help'' for commands");
1251 while (isspace (*p))
1259 char devbuf[MAXPATHLEN];
1264 if (*cdname == '/') {
1265 snprintf (devbuf, MAXPATHLEN, "%s", cdname);
1267 snprintf (devbuf, MAXPATHLEN, "%s%s", _PATH_DEV, cdname);
1270 fd = open (devbuf, O_RDONLY);
1272 if (fd < 0 && errno == ENOENT) {
1273 strcat (devbuf, DEFAULT_CD_PARTITION);
1274 fd = open (devbuf, O_RDONLY);
1278 if (errno == ENXIO) {
1279 /* ENXIO has an overloaded meaning here.
1280 * The original "Device not configured" should
1281 * be interpreted as "No disc in drive %s". */
1282 warnx("no disc in drive %s", devbuf);
1285 err(1, "%s", devbuf);