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Initial version of xfs quota utility.  Knows how to do user/group/project quota, provides missing freespace reporting for realtime on Linux, and for project quotas.  Allows all current and future XFS quota functionality to be exposed without complicating the standard quota tools.
Merge of master-melb:xfs-cmds:22274a by kenmcd.

/*
 * Copyright (c) 2005 Silicon Graphics, Inc.  All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it would be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *
 * Further, this software is distributed without any warranty that it is
 * free of the rightful claim of any third person regarding infringement
 * or the like.  Any license provided herein, whether implied or
 * otherwise, applies only to this software file.  Patent licenses, if
 * any, provided herein do not apply to combinations of this program with
 * other software, or any other product whatsoever.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write the Free Software Foundation, Inc., 59
 * Temple Place - Suite 330, Boston MA 02111-1307, USA.
 *
 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
 * Mountain View, CA  94043, or:
 *
 * http://www.sgi.com
 *
 * For further information regarding this notice, see:
 *
 * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
 */

#include <xfs/xqm.h>
#include <xfs/path.h>
#include <xfs/project.h>

/*
 * Different forms of XFS quota
 */
enum {
	XFS_BLOCK_QUOTA	=	0x1,
	XFS_INODE_QUOTA =	0x2,
	XFS_RTBLOCK_QUOTA =	0x4,
};

/*
 * System call definitions mapping to platform-specific quotactl
 */
extern int xfsquotactl(int __cmd, const char *__device,
			uint __type, uint __id, void * __addr);
enum {
	XFS_QUOTAON,	/* enable accounting/enforcement */
	XFS_QUOTAOFF,	/* disable accounting/enforcement */
	XFS_GETQUOTA,	/* get disk limits and usage */
	XFS_SETQLIM,	/* set disk limits */
	XFS_GETQSTAT,	/* get quota subsystem status */
	XFS_QUOTARM,	/* free disk space used by dquots */
};

/*
 * Utility routines
 */
extern char *type_to_string(uint __type);
extern char *form_to_string(uint __form);
extern char *time_to_string(__uint32_t __time, uint __flags);
extern char *bbs_to_string(__uint64_t __v, char *__c, uint __size);
extern char *num_to_string(__uint64_t __v, char *__c, uint __size);
extern char *pct_to_string(__uint64_t __v, __uint64_t __t, char *__c, uint __s);

extern FILE *fopen_write_secure(char *__filename);

/*
 * Various utility routine flags
 */
enum {
	NO_HEADER_FLAG =	0x0001,	/* don't print header */
	VERBOSE_FLAG =		0x0002,	/* increase verbosity */
	HUMAN_FLAG =		0x0004,	/* human-readable values */
	QUOTA_FLAG =		0x0008,	/* uid/gid/prid over-quota (soft) */
	LIMIT_FLAG =		0x0010,	/* uid/gid/prid over-limit (hard) */
	ALL_MOUNTS_FLAG =	0x0020,	/* iterate over every mounted xfs */
	TERSE_FLAG =		0x0040,	/* decrease verbosity */
	HISTOGRAM_FLAG =	0x0080,	/* histogram format output */
	DEFAULTS_FLAG =		0x0100,	/* use value as a default */
	ABSOLUTE_FLAG =		0x0200, /* absolute time, not related to now */
};

/*
 * Identifier (uid/gid/prid) cache routines
 */
extern char *uid_to_name(__uint32_t __uid);
extern char *gid_to_name(__uint32_t __gid);
extern char *prid_to_name(__uint32_t __prid);