/**
* Find a writable root. If file does not exist, we check for
* the parent directory.
**/
int find_rw_root_cutlast(const char *path) {
int root = find_rw_root_cow(path);
if (root < 0 && errno == ENOENT) {
// So path does not exist, now again, but with dirname only
char *dname = u_dirname(path);
int root_rorw = find_rorw_root(dname);
free(dname);
// nothing found
if (root_rorw < 0) return -1;
// the returned root is writable, good!
if (uopt.roots[root_rorw].rw) return root_rorw;
// cow is disabled, return whatever was found
if (!uopt.cow_enabled) return root_rorw;
int root_rw = find_lowest_rw_root(root_rorw);
dname = u_dirname(path);
int res = path_create(dname, root_rorw, root_rw);
free(dname);
// creating the path failed
if (res) return -1;
return root_rw;
}
return root;
}
int main(int argc, char *argv[])
{
const char *prog_name = NULL;
Ustr *s1 = USTR_NULL;
Ustr *s2 = USTR_NULL;
if (!argc)
exit (EXIT_FAILURE);
if ((prog_name = strrchr(argv[0], '/')))
++prog_name;
else
prog_name = argv[0];
if (argc != 2)
die(prog_name, "missing operand");
if (!(s1 = ustr_dup_cstr(argv[1])))
die(prog_name, strerror(errno));
if (!(s2 = u_dirname(s1)))
die(prog_name, strerror(errno));
ustr_free(s1);
if (!ustr_io_putfileline(&s2, stderr))
die(prog_name, strerror(errno));
USTR_CNTL_MALLOC_CHECK_END();
exit (EXIT_SUCCESS);
}
/**
* Same as path_create(), but ignore the last segment in path,
* i.e. it might be a filename.
*/
int path_create_cutlast(const char *path, int nbranch_ro, int nbranch_rw) {
DBG_IN();
char *dname = u_dirname(path);
if (dname == NULL)
return -ENOMEM;
int ret = path_create(dname, nbranch_ro, nbranch_rw);
free(dname);
return ret;
}
/**
* Same as path_create(), but ignore the last segment in path,
* i.e. it might be a filename.
*/
int path_create_cutlast(const char *path, int nbranch_ro, int nbranch_rw) {
DBG("%s\n", path);
char *dname = u_dirname(path);
if (dname == NULL)
RETURN(-ENOMEM);
int ret = path_create(dname, nbranch_ro, nbranch_rw);
free(dname);
RETURN(ret);
}