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/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once
#include <stdio.h>
/* This needs to be after sys/mount.h */
#include <libmount.h>
#include "macro.h"
DEFINE_TRIVIAL_CLEANUP_FUNC(struct libmnt_table*, mnt_free_table);
DEFINE_TRIVIAL_CLEANUP_FUNC(struct libmnt_iter*, mnt_free_iter);
static inline int libmount_parse(
const char *path,
FILE *source,
struct libmnt_table **ret_table,
struct libmnt_iter **ret_iter) {
_cleanup_(mnt_free_tablep) struct libmnt_table *table = NULL;
_cleanup_(mnt_free_iterp) struct libmnt_iter *iter = NULL;
int r;
/* Older libmount seems to require this. */
assert(!source || path);
table = mnt_new_table();
iter = mnt_new_iter(MNT_ITER_FORWARD);
if (!table || !iter)
return -ENOMEM;
/* If source or path are specified, we use on the functions which ignore utab.
* Only if both are empty, we use mnt_table_parse_mtab(). */
if (source)
r = mnt_table_parse_stream(table, source, path);
else if (path)
r = mnt_table_parse_file(table, path);
else
r = mnt_table_parse_mtab(table, NULL);
if (r < 0)
return r;
*ret_table = TAKE_PTR(table);
*ret_iter = TAKE_PTR(iter);
return 0;
}
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