#ifndef _SYS_QUOTA_H
#define _SYS_QUOTA_H

#ifdef __cplusplus
extern "C" {
#endif

#include <stdint.h>

#define _LINUX_QUOTA_VERSION 2

#define dbtob(num) ((num) << 10)
#define btodb(num) ((num) >> 10)
#define fs_to_dq_blocks(num, blksize) (((num) * (blksize)) / 1024)

#define MAX_IQ_TIME 604800
#define MAX_DQ_TIME 604800

#define MAXQUOTAS 2
#define USRQUOTA 0
#define GRPQUOTA 1

#define INITQFNAMES {"user", "group", "undefined"};

#define QUOTAFILENAME "quota"
#define QUOTAGROUP "staff"

#define NR_DQHASH 43
#define NR_DQUOTS 256

#define SUBCMDMASK 0x00ff
#define SUBCMDSHIFT 8
#define QCMD(cmd, type) (((cmd) << SUBCMDSHIFT) | ((type)&SUBCMDMASK))

#define Q_SYNC 0x800001
#define Q_QUOTAON 0x800002
#define Q_QUOTAOFF 0x800003
#define Q_GETFMT 0x800004
#define Q_GETINFO 0x800005
#define Q_SETINFO 0x800006
#define Q_GETQUOTA 0x800007
#define Q_SETQUOTA 0x800008

#define QFMT_VFS_OLD 1
#define QFMT_VFS_V0 2
#define QFMT_OCFS2 3
#define QFMT_VFS_V1 4

#define QIF_BLIMITS 1
#define QIF_SPACE 2
#define QIF_ILIMITS 4
#define QIF_INODES 8
#define QIF_BTIME 16
#define QIF_ITIME 32
#define QIF_LIMITS (QIF_BLIMITS | QIF_ILIMITS)
#define QIF_USAGE (QIF_SPACE | QIF_INODES)
#define QIF_TIMES (QIF_BTIME | QIF_ITIME)
#define QIF_ALL (QIF_LIMITS | QIF_USAGE | QIF_TIMES)

struct dqblk {
  uint64_t dqb_bhardlimit;
  uint64_t dqb_bsoftlimit;
  uint64_t dqb_curspace;
  uint64_t dqb_ihardlimit;
  uint64_t dqb_isoftlimit;
  uint64_t dqb_curinodes;
  uint64_t dqb_btime;
  uint64_t dqb_itime;
  uint32_t dqb_valid;
};

#define dq_bhardlimit dq_dqb.dqb_bhardlimit
#define dq_bsoftlimit dq_dqb.dqb_bsoftlimit
#define dq_curspace dq_dqb.dqb_curspace
#define dq_valid dq_dqb.dqb_valid
#define dq_ihardlimit dq_dqb.dqb_ihardlimit
#define dq_isoftlimit dq_dqb.dqb_isoftlimit
#define dq_curinodes dq_dqb.dqb_curinodes
#define dq_btime dq_dqb.dqb_btime
#define dq_itime dq_dqb.dqb_itime

#define dqoff(UID) ((long long)(UID) * sizeof(struct dqblk))

#define IIF_BGRACE 1
#define IIF_IGRACE 2
#define IIF_FLAGS 4
#define IIF_ALL (IIF_BGRACE | IIF_IGRACE | IIF_FLAGS)

struct dqinfo {
  uint64_t dqi_bgrace;
  uint64_t dqi_igrace;
  uint32_t dqi_flags;
  uint32_t dqi_valid;
};

int quotactl(int, const char*, int, char*);

#ifdef __cplusplus
}
#endif

#endif