File: [Development] / xfs-cmds / xfsprogs / db / dirshort.c (download)
Revision 1.3, Tue Jun 4 22:53:09 2002 UTC (15 years, 4 months ago) by sandeen
Branch: MAIN
Changes since 1.2: +1 -1
lines
Undoes mod: xfs-cmds:slinx:120772a
Undo xfs-cmds:slinx:120772a, inadvertently whacked a previous mod.
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/*
* Copyright (c) 2000 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 <libxfs.h>
#include "type.h"
#include "faddr.h"
#include "fprint.h"
#include "field.h"
#include "bit.h"
#include "dirshort.h"
static int dir_sf_entry_name_count(void *obj, int startoff);
static int dir_shortform_list_count(void *obj, int startoff);
static int dir_shortform_list_offset(void *obj, int startoff, int idx);
#define OFF(f) bitize(offsetof(xfs_dir_shortform_t, f))
const field_t dir_shortform_flds[] = {
{ "hdr", FLDT_DIR_SF_HDR, OI(OFF(hdr)), C1, 0, TYP_NONE },
{ "list", FLDT_DIR_SF_ENTRY, dir_shortform_list_offset,
dir_shortform_list_count, FLD_ARRAY|FLD_COUNT|FLD_OFFSET, TYP_NONE },
{ NULL }
};
#define HOFF(f) bitize(offsetof(xfs_dir_sf_hdr_t, f))
const field_t dir_sf_hdr_flds[] = {
{ "parent", FLDT_DIR_INO, OI(HOFF(parent)), C1, 0, TYP_INODE },
{ "count", FLDT_UINT8D, OI(HOFF(count)), C1, 0, TYP_NONE },
{ NULL }
};
#define EOFF(f) bitize(offsetof(xfs_dir_sf_entry_t, f))
const field_t dir_sf_entry_flds[] = {
{ "inumber", FLDT_DIR_INO, OI(EOFF(inumber)), C1, 0, TYP_INODE },
{ "namelen", FLDT_UINT8D, OI(EOFF(namelen)), C1, 0, TYP_NONE },
{ "name", FLDT_CHARNS, OI(EOFF(name)), dir_sf_entry_name_count,
FLD_COUNT, TYP_NONE },
{ NULL }
};
static int
dir_sf_entry_name_count(
void *obj,
int startoff)
{
xfs_dir_sf_entry_t *e;
ASSERT(bitoffs(startoff) == 0);
e = (xfs_dir_sf_entry_t *)((char *)obj + byteize(startoff));
return e->namelen;
}
int
dir_sf_entry_size(
void *obj,
int startoff,
int idx)
{
xfs_dir_sf_entry_t *e;
int i;
xfs_dir_shortform_t *sf;
ASSERT(bitoffs(startoff) == 0);
sf = (xfs_dir_shortform_t *)((char *)obj + byteize(startoff));
e = &sf->list[0];
for (i = 0; i < idx; i++)
e = XFS_DIR_SF_NEXTENTRY(e);
return bitize((int)XFS_DIR_SF_ENTSIZE_BYENTRY(e));
}
static int
dir_shortform_list_count(
void *obj,
int startoff)
{
xfs_dir_shortform_t *sf;
ASSERT(bitoffs(startoff) == 0);
sf = (xfs_dir_shortform_t *)((char *)obj + byteize(startoff));
return sf->hdr.count;
}
static int
dir_shortform_list_offset(
void *obj,
int startoff,
int idx)
{
xfs_dir_sf_entry_t *e;
int i;
xfs_dir_shortform_t *sf;
ASSERT(bitoffs(startoff) == 0);
sf = (xfs_dir_shortform_t *)((char *)obj + byteize(startoff));
e = &sf->list[0];
for (i = 0; i < idx; i++)
e = XFS_DIR_SF_NEXTENTRY(e);
return bitize((int)((char *)e - (char *)sf));
}
int
dirshort_size(
void *obj,
int startoff,
int idx)
{
xfs_dir_sf_entry_t *e;
int i;
xfs_dir_shortform_t *sf;
ASSERT(bitoffs(startoff) == 0);
ASSERT(idx == 0);
sf = (xfs_dir_shortform_t *)((char *)obj + byteize(startoff));
e = &sf->list[0];
for (i = 0; i < sf->hdr.count; i++)
e = XFS_DIR_SF_NEXTENTRY(e);
return bitize((int)((char *)e - (char *)sf));
}