2 * CDE - Common Desktop Environment
4 * Copyright (c) 1993-2012, The Open Group. All rights reserved.
6 * These libraries and programs are free software; you can
7 * redistribute them and/or modify them under the terms of the GNU
8 * Lesser General Public License as published by the Free Software
9 * Foundation; either version 2 of the License, or (at your option)
12 * These libraries and programs are distributed in the hope that
13 * they will be useful, but WITHOUT ANY WARRANTY; without even the
14 * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 * PURPOSE. See the GNU Lesser General Public License for more
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with these libraries and programs; if not, write
20 * to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
21 * Floor, Boston, MA 02110-1301 USA
23 /*%% (c) Copyright 1993, 1994 Hewlett-Packard Company */
24 /*%% (c) Copyright 1993, 1994 International Business Machines Corp. */
25 /*%% (c) Copyright 1993, 1994 Sun Microsystems, Inc. */
26 /*%% (c) Copyright 1993, 1994 Novell, Inc. */
27 /*%% $XConsortium: iskeyvalid.c /main/3 1995/10/23 11:42:06 rswiston $ */
29 static char sccsid[] = "@(#)iskeyvalid.c 1.3 89/07/17 Copyr 1988 Sun Micro";
32 * Copyright (c) 1988 by Sun Microsystems, Inc.
39 * Functions dealing with the keydesc structure.
44 #include "isam_impl.h"
46 static int _check_typelen();
49 * _validate_keydesc(keydesc, minreclen)
51 * Validate key descriptor. minreclen is needed to make suree that all
52 * the key parts have a meaningful offset.
57 _validate_keydesc(struct keydesc *keydesc, int minreclen)
61 int type, start, length;
64 nparts = keydesc->k_nparts;
66 if (nparts <= 0 || nparts > NPARTS)
69 for (i = 0; i < nparts;i++) {
71 type = keydesc->k_part[i].kp_type & ~ISDESC;
72 start = keydesc->k_part[i].kp_start;
73 length = keydesc->k_part[i].kp_leng;
75 if(_check_typelen(type, length) == ISERROR)
78 if (type < MINTYPE || type >= MAXTYPE)
81 if (start < 0 || start + length > minreclen)
87 if(keylen > MAXKEYSIZE)
96 * Check length against the length of the corresponding type.
100 _check_typelen(int type, int length)
104 return ((length == INTSIZE) ? ISOK : ISERROR);
106 return ((length == LONGSIZE) ? ISOK : ISERROR);
108 return ((length == FLOATSIZE) ? ISOK : ISERROR);
110 return ((length == DOUBLESIZE) ? ISOK : ISERROR);
113 return ((length > 0) ? ISOK : ISERROR);