| 1 | /* const.h: Constants for bc. */
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| 2 |
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| 3 | /* This file is part of bc written for MINIX.
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| 4 | Copyright (C) 1991, 1992 Free Software Foundation, Inc.
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| 5 |
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| 6 | This program is free software; you can redistribute it and/or modify
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| 7 | it under the terms of the GNU General Public License as published by
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| 8 | the Free Software Foundation; either version 2 of the License , or
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| 9 | (at your option) any later version.
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| 10 |
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| 11 | This program is distributed in the hope that it will be useful,
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 14 | GNU General Public License for more details.
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| 15 |
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| 16 | You should have received a copy of the GNU General Public License
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| 17 | along with this program; see the file COPYING. If not, write to
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| 18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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| 19 |
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| 20 | You may contact the author by:
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| 21 | e-mail: phil@cs.wwu.edu
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| 22 | us-mail: Philip A. Nelson
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| 23 | Computer Science Department, 9062
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| 24 | Western Washington University
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| 25 | Bellingham, WA 98226-9062
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| 26 |
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| 27 | *************************************************************************/
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| 28 |
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| 29 |
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| 30 | /* Define INT_MAX and LONG_MAX if not defined. Assuming 32 bits... */
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| 31 |
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| 32 | #ifdef NO_LIMITS
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| 33 | #define INT_MAX 0x7FFFFFFF
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| 34 | #define LONG_MAX 0x7FFFFFFF
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| 35 | #endif
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| 36 |
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| 37 |
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| 38 | /* Define constants in some reasonable size. The next 4 constants are
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| 39 | POSIX constants. */
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| 40 |
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| 41 | #define BC_BASE_MAX INT_MAX
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| 42 | #define BC_SCALE_MAX INT_MAX
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| 43 | #define BC_STRING_MAX INT_MAX
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| 44 |
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| 45 |
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| 46 | /* Definitions for arrays. */
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| 47 |
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| 48 | #define BC_DIM_MAX 65535 /* this should be NODE_SIZE^NODE_DEPTH-1 */
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| 49 |
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| 50 | #define NODE_SIZE 16 /* Must be a power of 2. */
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| 51 | #define NODE_MASK 0xf /* Must be NODE_SIZE-1. */
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| 52 | #define NODE_SHIFT 4 /* Number of 1 bits in NODE_MASK. */
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| 53 | #define NODE_DEPTH 4
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| 54 |
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| 55 |
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| 56 | /* Other BC limits defined but not part of POSIX. */
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| 57 |
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| 58 | #define BC_LABEL_GROUP 64
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| 59 | #define BC_LABEL_LOG 6
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| 60 | #define BC_MAX_SEGS 16 /* Code segments. */
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| 61 | #define BC_SEG_SIZE 1024
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| 62 | #define BC_SEG_LOG 10
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| 63 |
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| 64 | /* Maximum number of variables, arrays and functions and the
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| 65 | allocation increment for the dynamic arrays. */
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| 66 |
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| 67 | #define MAX_STORE 32767
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| 68 | #define STORE_INCR 32
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| 69 |
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| 70 | /* Other interesting constants. */
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| 71 |
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| 72 | #define FALSE 0
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| 73 | #define TRUE 1
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| 74 | #define SIMPLE 0
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| 75 | #define ARRAY 1
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| 76 | #define FUNCT 2
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| 77 | #define EXTERN extern
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| 78 | #ifdef __STDC__
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| 79 | #define CONST const
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| 80 | #define VOID void
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| 81 | #else
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| 82 | #define CONST
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| 83 | #define VOID
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| 84 | #endif
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| 85 |
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| 86 | /* Include the version definition. */
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| 87 | #include "version.h"
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