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Diffstat (limited to 'miscutils/mountpoint.c')
-rw-r--r--miscutils/mountpoint.c73
1 files changed, 36 insertions, 37 deletions
diff --git a/miscutils/mountpoint.c b/miscutils/mountpoint.c
index dbc8fe0..b1bcab6 100644
--- a/miscutils/mountpoint.c
+++ b/miscutils/mountpoint.c
@@ -13,6 +13,8 @@
int mountpoint_main(int argc, char **argv)
{
+ struct stat st;
+ char *arg;
int opt = getopt32(argc, argv, "qdx");
#define OPT_q (1)
#define OPT_d (2)
@@ -20,47 +22,44 @@ int mountpoint_main(int argc, char **argv)
if (optind != argc - 1)
bb_show_usage();
- {
- char *arg = argv[optind];
- struct stat st;
- if ( (opt & OPT_x && stat(arg, &st) == 0) || (lstat(arg, &st) == 0) ) {
- if (opt & OPT_x) {
- if (S_ISBLK(st.st_mode))
- {
- bb_printf("%u:%u\n", major(st.st_rdev),
- minor(st.st_rdev));
- return EXIT_SUCCESS;
- } else {
- if (opt & OPT_q)
- putchar('\n');
- else
- bb_error_msg("%s: not a block device", arg);
- }
- return EXIT_FAILURE;
- } else
- 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);
+ arg = argv[optind];
- if (stat(p, &st) == 0) {
- short ret = (st_dev != st.st_dev) ||
- (st_dev == st.st_dev && st_ino == st.st_ino);
- if (opt & OPT_d)
- bb_printf("%u:%u\n", major(st_dev), minor(st_dev));
- else if (!(opt & OPT_q))
- bb_printf("%s is %sa mountpoint\n", arg, ret?"":"not ");
- return !ret;
- }
+ if ( (opt & OPT_x && stat(arg, &st) == 0) || (lstat(arg, &st) == 0) ) {
+ 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;
} else {
- if (!(opt & OPT_q))
- bb_error_msg("%s: not a directory", arg);
- return EXIT_FAILURE;
+ if (opt & OPT_q)
+ putchar('\n');
+ else
+ bb_error_msg("%s: not a block device", arg);
}
+ return EXIT_FAILURE;
+ } else
+ 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 ret = (st_dev != st.st_dev) ||
+ (st_dev == st.st_dev && st_ino == st.st_ino);
+ if (opt & OPT_d)
+ printf("%u:%u\n", major(st_dev), minor(st_dev));
+ else if (!(opt & OPT_q))
+ printf("%s is %sa mountpoint\n", arg, ret?"":"not ");
+ return !ret;
+ }
+ } else {
+ if (!(opt & OPT_q))
+ bb_error_msg("%s: not a directory", arg);
+ return EXIT_FAILURE;
}
- if (!(opt & OPT_q))
- bb_perror_msg("%s", arg);
- return EXIT_FAILURE;
}
+ if (!(opt & OPT_q))
+ bb_perror_msg("%s", arg);
+ return EXIT_FAILURE;
}