/* * 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 /\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 #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; }