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cde/cde/lib/tt/mini_isam/isindexconv.c
2018-06-28 04:06:47 +01:00

119 lines
3.5 KiB
C

/*
* CDE - Common Desktop Environment
*
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
*
* These libraries and programs are free software; you can
* redistribute them and/or modify them under the terms of the GNU
* Lesser General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* These libraries and programs are distributed in the hope that
* they 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 these libraries and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
/*%% (c) Copyright 1993, 1994 Hewlett-Packard Company */
/*%% (c) Copyright 1993, 1994 International Business Machines Corp. */
/*%% (c) Copyright 1993, 1994 Sun Microsystems, Inc. */
/*%% (c) Copyright 1993, 1994 Novell, Inc. */
/*%% $XConsortium: isindexconv.c /main/3 1995/10/23 11:40:48 rswiston $ */
#ifndef lint
static char sccsid[] = "@(#)isindexconv.c 1.3 89/07/17 Copyr 1988 Sun Micro";
#endif
/*
* Copyright (c) 1988 by Sun Microsystems, Inc.
*/
/*
* isindexconv.c
*
* Description:
* Encode/decode key descriptor
*/
#include "isam_impl.h"
void
stkey(Keydesc2 *pkeydesc2, char *p)
{
int i;
register struct keypart2 *ppart;
register char *pp;
int nparts;
stshort(pkeydesc2->k2_flags, p + K2_FLAGS_OFF);
stshort(pkeydesc2->k2_nparts, p + K2_NPARTS_OFF);
stshort(pkeydesc2->k2_len, p + K2_LEN_OFF);
stblkno(pkeydesc2->k2_rootnode, p + K2_ROOT_OFF);
stlong((long)pkeydesc2->k2_keyid, p + K2_KEYID_OFF);
ppart = pkeydesc2->k2_part;
pp = p + K2_KEYPART_OFF;
nparts = pkeydesc2->k2_nparts + 1; /* +1 for recno part */
if (ALLOWS_DUPS2(pkeydesc2)) /* +1 for dups serial number*/
nparts++;
for (i = 0; i < nparts;i++) {
stshort(ppart->kp2_start, pp);
pp += SHORTSIZE;
stshort(ppart->kp2_leng, pp);
pp += SHORTSIZE;
stshort(ppart->kp2_type, pp);
pp += SHORTSIZE;
stshort(ppart->kp2_offset, pp);
pp += SHORTSIZE;
ppart++;
}
}
void
ldkey(register struct keydesc2 *pkeydesc2, register char *p)
{
int i;
register struct keypart2 *ppart;
register char *pp;
int nparts;
memset ((char *) pkeydesc2, 0, sizeof (*pkeydesc2));
pkeydesc2->k2_flags = ldshort(p + K2_FLAGS_OFF);
pkeydesc2->k2_nparts = ldshort(p + K2_NPARTS_OFF);
pkeydesc2->k2_len = ldshort(p + K2_LEN_OFF);
pkeydesc2->k2_rootnode = ldblkno(p + K2_ROOT_OFF);
pkeydesc2->k2_keyid = ldlong(p + K2_KEYID_OFF);
ppart = pkeydesc2->k2_part;
pp = p + K2_KEYPART_OFF;
nparts = pkeydesc2->k2_nparts + 1; /* +1 for recno part */
if (ALLOWS_DUPS2(pkeydesc2)) /* +1 for dups serial number*/
nparts++;
for (i = 0; i < nparts;i++) {
ppart->kp2_start = ldunshort(pp);
pp += SHORTSIZE;
ppart->kp2_leng = ldshort(pp);
pp += SHORTSIZE;
ppart->kp2_type = ldshort(pp);
pp += SHORTSIZE;
ppart->kp2_offset = ldunshort(pp);
pp += SHORTSIZE;
ppart++;
}
}