88 lines
2.5 KiB
C
88 lines
2.5 KiB
C
/* const.h: Constants for bc. */
|
|
|
|
/* This file is part of bc written for MINIX.
|
|
Copyright (C) 1991, 1992 Free Software Foundation, Inc.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License , or
|
|
(at your option) any later version.
|
|
|
|
This program 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 General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; see the file COPYING. If not, write to
|
|
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
|
|
You may contact the author by:
|
|
e-mail: phil@cs.wwu.edu
|
|
us-mail: Philip A. Nelson
|
|
Computer Science Department, 9062
|
|
Western Washington University
|
|
Bellingham, WA 98226-9062
|
|
|
|
*************************************************************************/
|
|
|
|
|
|
/* Define INT_MAX and LONG_MAX if not defined. Assuming 32 bits... */
|
|
|
|
#ifdef NO_LIMITS
|
|
#define INT_MAX 0x7FFFFFFF
|
|
#define LONG_MAX 0x7FFFFFFF
|
|
#endif
|
|
|
|
|
|
/* Define constants in some reasonable size. The next 4 constants are
|
|
POSIX constants. */
|
|
|
|
#define BC_BASE_MAX INT_MAX
|
|
#define BC_SCALE_MAX INT_MAX
|
|
#define BC_STRING_MAX INT_MAX
|
|
|
|
|
|
/* Definitions for arrays. */
|
|
|
|
#define BC_DIM_MAX 65535 /* this should be NODE_SIZE^NODE_DEPTH-1 */
|
|
|
|
#define NODE_SIZE 16 /* Must be a power of 2. */
|
|
#define NODE_MASK 0xf /* Must be NODE_SIZE-1. */
|
|
#define NODE_SHIFT 4 /* Number of 1 bits in NODE_MASK. */
|
|
#define NODE_DEPTH 4
|
|
|
|
|
|
/* Other BC limits defined but not part of POSIX. */
|
|
|
|
#define BC_LABEL_GROUP 64
|
|
#define BC_LABEL_LOG 6
|
|
#define BC_MAX_SEGS 16 /* Code segments. */
|
|
#define BC_SEG_SIZE 1024
|
|
#define BC_SEG_LOG 10
|
|
|
|
/* Maximum number of variables, arrays and functions and the
|
|
allocation increment for the dynamic arrays. */
|
|
|
|
#define MAX_STORE 32767
|
|
#define STORE_INCR 32
|
|
|
|
/* Other interesting constants. */
|
|
|
|
#define FALSE 0
|
|
#define TRUE 1
|
|
#define SIMPLE 0
|
|
#define ARRAY 1
|
|
#define FUNCT 2
|
|
#define EXTERN extern
|
|
#ifdef __STDC__
|
|
#define CONST const
|
|
#define VOID void
|
|
#else
|
|
#define CONST
|
|
#define VOID
|
|
#endif
|
|
|
|
/* Include the version definition. */
|
|
#include "version.h"
|