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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include <sys/quota.h>
#include <sys/stat.h>
#include "alloc-util.h"
#include "blockdev-util.h"
#include "device-util.h"
#include "quota-util.h"
int quotactl_devnum(int cmd, dev_t devnum, int id, void *addr) {
_cleanup_free_ char *devnode = NULL;
int r;
/* Like quotactl() but takes a dev_t instead of a path to a device node, and fixes caddr_t → void*,
* like we should, today */
r = devname_from_devnum(S_IFBLK, devnum, &devnode);
if (r < 0)
return r;
if (quotactl(cmd, devnode, id, addr) < 0)
return -errno;
return 0;
}
int quotactl_path(int cmd, const char *path, int id, void *addr) {
dev_t devno;
int r;
/* Like quotactl() but takes a path to some fs object, and changes the backing file system. I.e. the
* argument shouldn't be a block device but a regular file system object */
r = get_block_device(path, &devno);
if (r < 0)
return r;
if (devno == 0) /* Doesn't have a block device */
return -ENODEV;
return quotactl_devnum(cmd, devno, id, addr);
}
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