aboutsummaryrefslogtreecommitdiff
path: root/toys/other/mountpoint.c
diff options
context:
space:
mode:
Diffstat (limited to 'toys/other/mountpoint.c')
-rw-r--r--toys/other/mountpoint.c77
1 files changed, 38 insertions, 39 deletions
diff --git a/toys/other/mountpoint.c b/toys/other/mountpoint.c
index fe63b725..29b8ae67 100644
--- a/toys/other/mountpoint.c
+++ b/toys/other/mountpoint.c
@@ -1,20 +1,19 @@
-/* vi: set sw=4 ts=4:
- *
- * mountpoint.c - Check if a directory is a mountpoint.
+/* mountpoint.c - Check if a directory is a mountpoint.
*
* Copyright 2012 Elie De Brauwer <eliedebrauwer@gmail.com>
USE_MOUNTPOINT(NEWTOY(mountpoint, "<1qdx", TOYFLAG_BIN))
config MOUNTPOINT
- bool "mountpoint"
- default y
- help
- usage: mountpoint [-q] [-d] directory
- mountpoint [-q] [-x] device
- -q Be quiet, return zero if directory is a mountpoint
- -d Print major/minor device number of the directory
- -x Print major/minor device number of the block device
+ bool "mountpoint"
+ default y
+ help
+ usage: mountpoint [-q] [-d] directory
+ mountpoint [-q] [-x] device
+
+ -q Be quiet, return zero if directory is a mountpoint
+ -d Print major/minor device number of the directory
+ -x Print major/minor device number of the block device
*/
#define FOR_mountpoint
@@ -22,34 +21,34 @@ config MOUNTPOINT
void mountpoint_main(void)
{
- struct stat st1, st2;
- int res = 0;
- int quiet = toys.optflags & FLAG_q;
- toys.exitval = 1; // be pessimistic
- strncpy(toybuf, toys.optargs[0], sizeof(toybuf));
- if (((toys.optflags & FLAG_x) && lstat(toybuf, &st1)) || stat(toybuf, &st1))
- perror_exit("%s", toybuf);
+ struct stat st1, st2;
+ int res = 0;
+ int quiet = toys.optflags & FLAG_q;
+ toys.exitval = 1; // be pessimistic
+ strncpy(toybuf, toys.optargs[0], sizeof(toybuf));
+ if (((toys.optflags & FLAG_x) && lstat(toybuf, &st1)) || stat(toybuf, &st1))
+ perror_exit("%s", toybuf);
- if (toys.optflags & FLAG_x){
- if (S_ISBLK(st1.st_mode)) {
- if (!quiet) printf("%u:%u\n", major(st1.st_rdev), minor(st1.st_rdev));
- toys.exitval = 0;
- return;
- }
- if (!quiet) printf("%s: not a block device\n", toybuf);
- return;
- }
+ if (toys.optflags & FLAG_x){
+ if (S_ISBLK(st1.st_mode)) {
+ if (!quiet) printf("%u:%u\n", major(st1.st_rdev), minor(st1.st_rdev));
+ toys.exitval = 0;
+ return;
+ }
+ if (!quiet) printf("%s: not a block device\n", toybuf);
+ return;
+ }
- if(!S_ISDIR(st1.st_mode)){
- if (!quiet) printf("%s: not a directory\n", toybuf);
- return;
- }
- strncat(toybuf, "/..", sizeof(toybuf));
- stat(toybuf, &st2);
- res = (st1.st_dev != st2.st_dev) ||
- (st1.st_dev == st2.st_dev && st1.st_ino == st2.st_ino);
- if (!quiet) printf("%s is %sa mountpoint\n", toys.optargs[0], res ? "" : "not ");
- if (toys.optflags & FLAG_d)
- printf("%u:%u\n", major(st1.st_dev), minor(st1.st_dev));
- toys.exitval = res ? 0 : 1;
+ if(!S_ISDIR(st1.st_mode)){
+ if (!quiet) printf("%s: not a directory\n", toybuf);
+ return;
+ }
+ strncat(toybuf, "/..", sizeof(toybuf));
+ stat(toybuf, &st2);
+ res = (st1.st_dev != st2.st_dev) ||
+ (st1.st_dev == st2.st_dev && st1.st_ino == st2.st_ino);
+ if (!quiet) printf("%s is %sa mountpoint\n", toys.optargs[0], res ? "" : "not ");
+ if (toys.optflags & FLAG_d)
+ printf("%u:%u\n", major(st1.st_dev), minor(st1.st_dev));
+ toys.exitval = res ? 0 : 1;
}