| 1 | /* const.h: Constants for bc. */ |
| 2 | |
| 3 | /* This file is part of bc written for MINIX. |
| 4 | Copyright (C) 1991 Free Software Foundation, Inc. |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 2 of the License , or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with this program; see the file COPYING. If not, write to |
| 18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
| 19 | |
| 20 | You may contact the author by: |
| 21 | e-mail: phil@cs.wwu.edu |
| 22 | us-mail: Philip A. Nelson |
| 23 | Computer Science Department, 9062 |
| 24 | Western Washington University |
| 25 | Bellingham, WA 98226-9062 |
| 26 | |
| 27 | *************************************************************************/ |
| 28 | |
| 29 | |
| 30 | /* Define INT_MAX and LONG_MAX if not defined. Assuming 32 bits... */ |
| 31 | |
| 32 | #ifdef NO_LIMITS |
| 33 | #define INT_MAX 0x7FFFFFFF |
| 34 | #define LONG_MAX 0x7FFFFFFF |
| 35 | #endif |
| 36 | |
| 37 | |
| 38 | /* Define constants in some reasonable size. The next 4 constants are |
| 39 | POSIX constants. */ |
| 40 | |
| 41 | #define BC_BASE_MAX 999 /* No good reason for this value. */ |
| 42 | #define BC_SCALE_MAX INT_MAX |
| 43 | #define BC_STRING_MAX INT_MAX |
| 44 | |
| 45 | |
| 46 | /* Definitions for arrays. */ |
| 47 | |
| 48 | #define BC_DIM_MAX 65535 /* this should be NODE_SIZE^NODE_DEPTH-1 */ |
| 49 | |
| 50 | #define NODE_SIZE 16 /* Must be a power of 2. */ |
| 51 | #define NODE_MASK 0xf /* Must be NODE_SIZE-1. */ |
| 52 | #define NODE_SHIFT 4 /* Number of 1 bits in NODE_MASK. */ |
| 53 | #define NODE_DEPTH 4 |
| 54 | |
| 55 | |
| 56 | /* Other BC limits defined but not part of POSIX. */ |
| 57 | |
| 58 | #define BC_LABEL_GROUP 64 |
| 59 | #define BC_LABEL_LOG 6 |
| 60 | #define BC_MAX_SEGS 10 /* Code segments. */ |
| 61 | #define BC_SEG_SIZE 1024 |
| 62 | #define BC_SEG_LOG 10 |
| 63 | |
| 64 | /* Maximum number of variables, arrays and functions and the |
| 65 | allocation increment for the dynamic arrays. */ |
| 66 | |
| 67 | #define MAX_STORE 32767 |
| 68 | #define STORE_INCR 32 |
| 69 | |
| 70 | /* Other interesting constants. */ |
| 71 | |
| 72 | #define FALSE 0 |
| 73 | #define TRUE 1 |
| 74 | #define SIMPLE 0 |
| 75 | #define ARRAY 1 |
| 76 | #define FUNCT 2 |
| 77 | #define EXTERN extern |
| 78 | #ifdef __STDC__ |
| 79 | #define CONST const |
| 80 | #define VOID void |
| 81 | #else |
| 82 | #define CONST |
| 83 | #define VOID |
| 84 | #endif |
| 85 | |
| 86 | /* Include the version definition. */ |
| 87 | #include "version.h" |