c_cpp/etc/calc/lib_calc.h

   1 /*
   2  * math_error - a simple libcalc math error routine
   3  *
   4  * Copyright (C) 1999-2007  Landon Curt Noll
   5  *
   6  * Calc is open software; you can redistribute it and/or modify it under
   7  * the terms of the version 2.1 of the GNU Lesser General Public License
   8  * as published by the Free Software Foundation.
   9  *
  10  * Calc is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  12  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General
  13  * Public License for more details.
  14  *
  15  * A copy of version 2.1 of the GNU Lesser General Public License is
  16  * distributed with calc under the filename COPYING-LGPL.  You should have
  17  * received a copy with calc; if not, write to Free Software Foundation, Inc.
  18  * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  19  *
  20  * @(#) $Revision: 30.1 $
  21  * @(#) $Id: lib_calc.h,v 30.1 2007/03/16 11:09:46 chongo Exp $
  22  * @(#) $Source: /usr/local/src/bin/calc/RCS/lib_calc.h,v $
  23  *
  24  * Under source code control:   1997/03/23 18:37:10
  25  * File existed as early as:    1997
  26  *
  27  * chongo <was here> /\oo/\     http://www.isthe.com/chongo/
  28  * Share and enjoy!  :-)        http://www.isthe.com/chongo/tech/comp/calc/
  29  */
  30
  31
  32 #if !defined(__MATH_ERROR_H__)
  33 #define __MATH_ERROR_H__
  34
  35 #include <setjmp.h>
  36
  37 #if defined(CALC_SRC)   /* if we are building from the calc source tree */
  38 # include "decl.h"
  39 #else
  40 # include <calc/decl.h>
  41 #endif
  42
  43 /*
  44  * error buffer definitions
  45  */
  46 #define MAXERROR        512     /* maximum length of error message string */
  47
  48 /*
  49  * calc math error control
  50  */
  51 /* non-zero => use calc_use_matherr_jmpbuf */
  52 EXTERN int calc_use_matherr_jmpbuf;
  53 /* math_error() control jump point when calc_use_matherr_jmpbuf != 0 */
  54 EXTERN jmp_buf calc_matherr_jmpbuf;
  55
  56 /*
  57  * calc parse/scan error control
  58  */
  59 /* non-zero => calc_scanerr_jmpbuf is ready */
  60 EXTERN int calc_use_scanerr_jmpbuf;
  61 /* scanerror() control jump point when calc_use_scanerr_jmpbuf != 0 */
  62 EXTERN jmp_buf calc_scanerr_jmpbuf;
  63
  64 /*
  65  * last calc math error, parse/scan error message
  66  */
  67 EXTERN char calc_err_msg[MAXERROR+1];
  68 /* 0 ==> do not print parse/scan errors */
  69 EXTERN int calc_print_scanerr_msg;
  70
  71 /*
  72  * calc parse/scan warning control
  73  */
  74 /* last parse/scan warning message */
  75 EXTERN char calc_warn_msg[MAXERROR+1];
  76 /* 0 ==> do not print parse/scan warnings */
  77 EXTERN int calc_print_scanwarn_msg;
  78 /* number of parse/scan warnings found */
  79 EXTERN unsigned long calc_warn_cnt;
  80
  81 #endif /* !__MATH_ERROR_H__ */