libvirt/src/storage_file/storage_file_probe.h
Pavel Hrdina 3e54766414 util: move virStorageSource code into conf
The code handles XML bits and internal definition and should be
in conf directory.

Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
2021-01-22 11:10:27 +01:00

45 lines
1.6 KiB
C

/*
* storage_file_probe.h: file utility functions for FS storage backend
*
* Copyright (C) 2007-2009, 2012-2016 Red Hat, Inc.
* Copyright (C) 2007-2008 Daniel P. Berrange
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <sys/stat.h>
#include "storage_source_conf.h"
/* Minimum header size required to probe all known formats with
* virStorageFileProbeFormat, or obtain metadata from a known format.
* Rounded to multiple of 512 (ISO has a 5-byte magic at offset
* 32769). Some formats can be probed with fewer bytes. Although
* some formats theoretically permit metadata that can rely on offsets
* beyond this size, in practice that doesn't matter. */
#define VIR_STORAGE_MAX_HEADER 0x8200
int
virStorageFileProbeGetMetadata(virStorageSourcePtr meta,
char *buf,
size_t len);
int
virStorageFileProbeFormat(const char *path,
uid_t uid,
gid_t gid);