zfs/tests/zfs-tests/cmd/linux_dos_attributes/read_dos_attributes.c

61 lines
1.5 KiB
C

/*
* This file and its contents are supplied under the terms of the
* Common Development and Distribution License ("CDDL"), version 1.0.
* You may only use this file in accordance with the terms of version
* 1.0 of the CDDL.
*
* A full copy of the text of the CDDL should have accompanied this
* source. A copy of the CDDL is also available via the Internet at
* http://www.illumos.org/license/CDDL.
*/
/*
* Copyright 2022 iXsystems, Inc.
*/
/*
* FreeBSD exposes additional file attributes via ls -o and chflags.
* Under Linux, we provide ZFS_IOC_[GS]ETDOSFLAGS ioctl()s.
*
* This application is the equivalent to FreeBSD ls -lo $1 | awk '{print $5}'.
*/
#include <err.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/fs/zfs.h>
#include "dos_attributes.h"
int
main(int argc, const char *const *argv)
{
if (argc != 2)
errx(EXIT_FAILURE, "usage: %s file", argv[0]);
int fd = open(argv[1], O_RDONLY | O_CLOEXEC);
if (fd == -1)
err(EXIT_FAILURE, "%s", argv[1]);
uint64_t flags;
if (ioctl(fd, ZFS_IOC_GETDOSFLAGS, &flags) == -1)
err(EXIT_FAILURE, "ZFS_IOC_GETDOSFLAGS");
bool any = false;
for (size_t i = 0; i < ARRAY_SIZE(all_dos_attributes); ++i)
if (flags & all_dos_attributes[i]) {
if (any)
putchar(',');
(void) fputs(*all_dos_attribute_names[i], stdout);
any = true;
}
if (any)
(void) putchar('\n');
else
(void) puts("-");
}