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cdesktop/cde/lib/DtMmdb/hmphf/main.C

114 lines
2.8 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
*/
/*
* $XConsortium: main.cc /main/3 1996/06/11 17:20:02 cde-hal $
*
* Copyright (c) 1993 HAL Computer Systems International, Ltd.
* All rights reserved. Unpublished -- rights reserved under
* the Copyright Laws of the United States. USE OF A COPYRIGHT
* NOTICE IS PRECAUTIONARY ONLY AND DOES NOT IMPLY PUBLICATION
* OR DISCLOSURE.
*
* THIS SOFTWARE CONTAINS CONFIDENTIAL INFORMATION AND TRADE
* SECRETS OF HAL COMPUTER SYSTEMS INTERNATIONAL, LTD. USE,
* DISCLOSURE, OR REPRODUCTION IS PROHIBITED WITHOUT THE
* PRIOR EXPRESS WRITTEN PERMISSION OF HAL COMPUTER SYSTEMS
* INTERNATIONAL, LTD.
*
* RESTRICTED RIGHTS LEGEND
* Use, duplication, or disclosure by the Government is subject
* to the restrictions as set forth in subparagraph (c)(l)(ii)
* of the Rights in Technical Data and Computer Software clause
* at DFARS 252.227-7013.
*
* HAL COMPUTER SYSTEMS INTERNATIONAL, LTD.
* 1315 Dell Avenue
* Campbell, CA 95008
*
*/
#include "utility/xtime.h"
#include "hmphf/mphf_funcs.h"
#include "hmphf/sorter.h"
#define NO_BITS_INCREASES 5
main(int argc, char* argv[])
{
int ok;
if ( argc != 2 ) {
fprintf(stderr, form("usage: %s keyfile", argv[0]));
return(-1);
}
/*
xtime tmer;
tmer.start();
*/
sorter stor(argv[1]);
/*
float f1 = 0, f2 = 0;
tmer.stop(f1, f2);
debug(cerr, f1);
debug(cerr, f2);
*/
params pms;
pms.v_n = stor.no_unique_keys();
pms.select_value();
//debug(cerr, pms);
buffer mphf_spec(LBUFSIZ);
for ( int i=0; i<NO_BITS_INCREASES; i++ ) {
ok = compute_a_mphf(stor.unique_keys(), pms, mphf_spec) ;
switch (ok) {
case 0:
MESSAGE(cerr, "Hashing done");
exit(0);
case 1:
pms.re_select_value();
break;
case -1:
exit(-1);
}
}
MESSAGE(cerr, "finding a mphf failed");
exit(-1);
}