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82 lines
2.4 KiB
C
82 lines
2.4 KiB
C
/*
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* math_error - a simple libcalc math error routine
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*
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* Copyright (C) 1999-2007 Landon Curt Noll
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*
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* Calc is open software; you can redistribute it and/or modify it under
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* the terms of the version 2.1 of the GNU Lesser General Public License
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* as published by the Free Software Foundation.
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*
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* Calc is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
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* Public License for more details.
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*
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* A copy of version 2.1 of the GNU Lesser General Public License is
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* distributed with calc under the filename COPYING-LGPL. You should have
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* received a copy with calc; if not, write to Free Software Foundation, Inc.
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* @(#) $Revision: 30.1 $
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* @(#) $Id: lib_calc.h,v 30.1 2007/03/16 11:09:46 chongo Exp $
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* @(#) $Source: /usr/local/src/cmd/calc/RCS/lib_calc.h,v $
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*
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* Under source code control: 1997/03/23 18:37:10
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* File existed as early as: 1997
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*
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* chongo <was here> /\oo/\ http://www.isthe.com/chongo/
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* Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/
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*/
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#if !defined(__MATH_ERROR_H__)
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#define __MATH_ERROR_H__
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#include <setjmp.h>
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#if defined(CALC_SRC) /* if we are building from the calc source tree */
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# include "decl.h"
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#else
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# include <calc/decl.h>
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#endif
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/*
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* error buffer definitions
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*/
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#define MAXERROR 512 /* maximum length of error message string */
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/*
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* calc math error control
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*/
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/* non-zero => use calc_use_matherr_jmpbuf */
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EXTERN int calc_use_matherr_jmpbuf;
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/* math_error() control jump point when calc_use_matherr_jmpbuf != 0 */
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EXTERN jmp_buf calc_matherr_jmpbuf;
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/*
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* calc parse/scan error control
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*/
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/* non-zero => calc_scanerr_jmpbuf is ready */
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EXTERN int calc_use_scanerr_jmpbuf;
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/* scanerror() control jump point when calc_use_scanerr_jmpbuf != 0 */
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EXTERN jmp_buf calc_scanerr_jmpbuf;
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/*
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* last calc math error, parse/scan error message
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*/
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EXTERN char calc_err_msg[MAXERROR+1];
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/* 0 ==> do not print parse/scan errors */
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EXTERN int calc_print_scanerr_msg;
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/*
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* calc parse/scan warning control
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*/
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/* last parse/scan warning message */
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EXTERN char calc_warn_msg[MAXERROR+1];
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/* 0 ==> do not print parse/scan warnings */
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EXTERN int calc_print_scanwarn_msg;
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/* number of parse/scan warnings found */
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EXTERN unsigned long calc_warn_cnt;
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#endif /* !__MATH_ERROR_H__ */
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