summaryrefslogtreecommitdiff
path: root/miscutils/mountpoint.c
diff options
context:
space:
mode:
authorDenys Vlasenko2017-04-12 13:58:40 +0200
committerDenys Vlasenko2017-04-12 13:58:40 +0200
commit783d57af7bb2b851c16cf87df848e0365e5052da (patch)
tree71bb23e51b9cb40eac4a6fb831383134c1fc45a0 /miscutils/mountpoint.c
parentac47a00e2ec398b04c3141cd3434a6e4b95740b1 (diff)
downloadbusybox-783d57af7bb2b851c16cf87df848e0365e5052da.zip
busybox-783d57af7bb2b851c16cf87df848e0365e5052da.tar.gz
Sort some miscutils/ applets into coreutils or util-linux
No code changes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'miscutils/mountpoint.c')
-rw-r--r--miscutils/mountpoint.c105
1 files changed, 0 insertions, 105 deletions
diff --git a/miscutils/mountpoint.c b/miscutils/mountpoint.c
deleted file mode 100644
index 8b9e1d7..0000000
--- a/miscutils/mountpoint.c
+++ /dev/null
@@ -1,105 +0,0 @@
-/* vi: set sw=4 ts=4: */
-/*
- * mountpoint implementation for busybox
- *
- * Copyright (C) 2005 Bernhard Reutner-Fischer
- *
- * Licensed under GPLv2 or later, see file LICENSE in this source tree.
- *
- * Based on sysvinit's mountpoint
- */
-//config:config MOUNTPOINT
-//config: bool "mountpoint"
-//config: default y
-//config: help
-//config: mountpoint checks if the directory is a mountpoint.
-
-//applet:IF_MOUNTPOINT(APPLET(mountpoint, BB_DIR_BIN, BB_SUID_DROP))
-
-//kbuild:lib-$(CONFIG_MOUNTPOINT) += mountpoint.o
-
-//usage:#define mountpoint_trivial_usage
-//usage: "[-q] <[-dn] DIR | -x DEVICE>"
-//usage:#define mountpoint_full_usage "\n\n"
-//usage: "Check if the directory is a mountpoint\n"
-//usage: "\n -q Quiet"
-//usage: "\n -d Print major/minor device number of the filesystem"
-//usage: "\n -n Print device name of the filesystem"
-//usage: "\n -x Print major/minor device number of the blockdevice"
-//usage:
-//usage:#define mountpoint_example_usage
-//usage: "$ mountpoint /proc\n"
-//usage: "/proc is not a mountpoint\n"
-//usage: "$ mountpoint /sys\n"
-//usage: "/sys is a mountpoint\n"
-
-#include "libbb.h"
-
-int mountpoint_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int mountpoint_main(int argc UNUSED_PARAM, char **argv)
-{
- struct stat st;
- const char *msg;
- char *arg;
- int rc, opt;
-
- opt_complementary = "=1"; /* must have one argument */
- opt = getopt32(argv, "qdxn");
-#define OPT_q (1)
-#define OPT_d (2)
-#define OPT_x (4)
-#define OPT_n (8)
- arg = argv[optind];
- msg = "%s";
-
- rc = (opt & OPT_x) ? stat(arg, &st) : lstat(arg, &st);
- if (rc != 0)
- goto err;
-
- if (opt & OPT_x) {
- if (S_ISBLK(st.st_mode)) {
- printf("%u:%u\n", major(st.st_rdev),
- minor(st.st_rdev));
- return EXIT_SUCCESS;
- }
- errno = 0; /* make perror_msg work as error_msg */
- msg = "%s: not a block device";
- goto err;
- }
-
- errno = ENOTDIR;
- if (S_ISDIR(st.st_mode)) {
- dev_t st_dev = st.st_dev;
- ino_t st_ino = st.st_ino;
- char *p = xasprintf("%s/..", arg);
-
- if (stat(p, &st) == 0) {
- //int is_mnt = (st_dev != st.st_dev) || (st_dev == st.st_dev && st_ino == st.st_ino);
- int is_not_mnt = (st_dev == st.st_dev) && (st_ino != st.st_ino);
-
- if (opt & OPT_d)
- printf("%u:%u\n", major(st_dev), minor(st_dev));
- if (opt & OPT_n) {
- const char *d = find_block_device(arg);
- /* name is undefined, but device is mounted -> anonymous superblock! */
- /* happens with btrfs */
- if (!d) {
- d = "UNKNOWN";
- /* TODO: iterate /proc/mounts, or /proc/self/mountinfo
- * to find out the device name */
- }
- printf("%s %s\n", d, arg);
- }
- if (!(opt & (OPT_q | OPT_d | OPT_n)))
- printf("%s is %sa mountpoint\n", arg, is_not_mnt ? "not " : "");
- return is_not_mnt;
- }
- arg = p;
- /* else: stat had set errno, just fall through */
- }
-
- err:
- if (!(opt & OPT_q))
- bb_perror_msg(msg, arg);
- return EXIT_FAILURE;
-}