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64 lines
1.9 KiB
C
64 lines
1.9 KiB
C
/*
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* eject implementation for busybox
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*
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* Copyright (C) 2004 Peter Willis <psyphreak@phreaker.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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/*
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* This is a simple hack of eject based on something Erik posted in #uclibc.
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* Most of the dirty work blatantly ripped off from cat.c =)
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*/
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#include <fcntl.h>
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#include <sys/ioctl.h>
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#include <unistd.h>
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#include <sys/mount.h>
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#include <mntent.h>
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#include "busybox.h"
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/* various defines swiped from linux/cdrom.h */
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#define CDROMCLOSETRAY 0x5319 /* pendant of CDROMEJECT */
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#define CDROMEJECT 0x5309 /* Ejects the cdrom media */
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#define DEFAULT_CDROM "/dev/cdrom"
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extern int eject_main(int argc, char **argv)
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{
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unsigned long flags;
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char *device;
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struct mntent *m;
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flags = bb_getopt_ulflags(argc, argv, "t");
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device=argv[optind] ? : DEFAULT_CDROM;
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if((m = find_mount_point(device, bb_path_mtab_file))) {
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if(umount(m->mnt_dir))
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bb_error_msg_and_die("Can't umount");
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#ifdef CONFIG_FEATURE_MTAB_SUPPORT
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else
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erase_mtab(m->mnt_fsname);
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#endif
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}
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if (ioctl(bb_xopen( device,
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(O_RDONLY | O_NONBLOCK)),
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( flags ? CDROMCLOSETRAY : CDROMEJECT)))
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{
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bb_perror_msg_and_die(device);
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}
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return(EXIT_SUCCESS);
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}
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