Files
calc/have_fpos_pos.c
2017-05-21 15:38:39 -07:00

69 lines
2.1 KiB
C

/*
* have_fpos_pos - Determine if a __pos element in FILEPOS
*
* Copyright (C) 2000 Landon Curt Noll
*
* Calc is open software; you can redistribute it and/or modify it under
* the terms of the version 2.1 of the GNU Lesser General Public License
* as published by the Free Software Foundation.
*
* Calc is distributed in the hope that it 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.
*
* A copy of version 2.1 of the GNU Lesser General Public License is
* distributed with calc under the filename COPYING-LGPL. You should have
* received a copy with calc; if not, write to Free Software Foundation, Inc.
* 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*
* @(#) $Revision: 29.2 $
* @(#) $Id: have_fpos_pos.c,v 29.2 2001/03/18 03:00:11 chongo Exp $
* @(#) $Source: /usr/local/src/cmd/calc/RCS/have_fpos_pos.c,v $
*
* Under source code control: 2000/12/17 01:23
* File existed as early as: 2000
*
* chongo <was here> /\oo/\ http://www.isthe.com/chongo/
* Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/
*/
/*
* If the symbol HAVE_NO_FPOS is defined, we will output nothing.
* If the HAVE_FILEPOS_SCALAR is defuned, we will output nothing.
* If we are able to compile this program, then we must have the
* __pos element in a non-scalar FILEPOS.
*/
#include <stdio.h>
#include "have_fpos.h"
#include "have_posscl.h"
int
main(void)
{
#if !defined(HAVE_NO_FPOS) && !defined(HAVE_FILEPOS_SCALAR)
fpos_t pos; /* file position */
/* print a __pos element in fpos_t */
printf("#undef HAVE_FPOS_POS\n");
printf("#define HAVE_FPOS_POS 1 /* yes */\n\n");
/* determine __pos element size */
printf("#undef FPOS_POS_BITS\t/* no */\n");
# if defined(FPOS_POS_BITS)
printf("#define FPOS_POS_BITS %d\n\n", FPOS_POS_BITS);
# else
printf("#define FPOS_POS_BITS %d\n\n", sizeof(pos.__pos)*8);
# endif
#else
/* we have no __pos element */
printf("#undef HAVE_FPOS_POS\t/* no */\n");
printf("#undef FPOS_POS_BITS\n");
#endif
/* exit(0); */
return 0;
}