static int unmount_fuse_locked(const char *mnt, int quiet, int lazy)
{
char *copy;
const char *last;
int res;
if (getuid() != 0) {
res = may_unmount(mnt, quiet);
if (res == -1)
return -1;
}
copy = strdup(mnt);
if (copy == NULL) {
fprintf(stderr, "%s: failed to allocate memory\n", progname);
return -1;
}
res = chdir_to_parent(copy, &last);
if (res == -1)
goto out;
res = check_is_mount(last, mnt);
if (res == -1)
goto out;
res = fuse_mnt_umount(progname, mnt, last, lazy);
out:
free(copy);
return res;
}
static int unmount_fuse_locked(const char *mnt, int quiet, int lazy)
{
int res;
char *copy;
const char *last;
int umount_flags = lazy ? UMOUNT_DETACH : 0;
if (getuid() != 0) {
res = may_unmount(mnt, quiet);
if (res == -1)
return -1;
}
copy = strdup(mnt);
if (copy == NULL) {
fprintf(stderr, "%s: failed to allocate memory\n", progname);
return -1;
}
res = chdir_to_parent(copy, &last);
if (res == -1)
goto out;
if (umount_nofollow_support()) {
umount_flags |= UMOUNT_NOFOLLOW;
} else {
res = check_is_mount(last, mnt);
if (res == -1)
goto out;
}
res = umount2(last, umount_flags);
if (res == -1 && !quiet) {
fprintf(stderr, "%s: failed to unmount %s: %s\n",
progname, mnt, strerror(errno));
}
out:
if (res == -1)
return -1;
res = chdir("/");
if (res == -1) {
fprintf(stderr, "%s: failed to chdir to '/'\n", progname);
return -1;
}
return fuse_mnt_remove_mount(progname, mnt);
}