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67b23e6043
It is impossible to formulate sane ABI based on size of ulong because it can be 32-bit or 64-bit. Basically it means that you cannot portably use more that 32 option chars in one call anyway... Make it explicit.
61 lines
1.4 KiB
C
61 lines
1.4 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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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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* Copyright (C) 2005 Tito Ragusa <farmatito@tiscali.it>
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*
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* Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
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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 "busybox.h"
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#include <mntent.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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#define FLAG_CLOSE 1
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#define FLAG_SMART 2
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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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int dev;
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/*opt_complementary = "t--T:T--t";*/
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flags = getopt32(argc, argv, "tT");
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device = argv[optind] ? : DEFAULT_CDROM;
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m = find_mount_point(device, bb_path_mtab_file);
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if (m) {
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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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} else if (ENABLE_FEATURE_MTAB_SUPPORT) {
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erase_mtab(m->mnt_fsname);
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}
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}
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dev = xopen(device, O_RDONLY|O_NONBLOCK);
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if (flags & FLAG_CLOSE) goto close_tray;
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if (ioctl(dev, CDROMEJECT)) {
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close_tray:
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if (ioctl(dev, CDROMCLOSETRAY))
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bb_perror_msg_and_die("%s", device);
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}
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if (ENABLE_FEATURE_CLEAN_UP) close(dev);
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return EXIT_SUCCESS;
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}
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