1 /* Copyright (C) 1991, 1996, 1999, 2000, 2001 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, write to the Free 16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 17 02111-1307 USA. */ 18 19 /* 20 * Never include this file directly; include <limits.h> instead. 21 */ 22 23 #ifndef _BITS_POSIX2_LIM_H 24 #define _BITS_POSIX2_LIM_H 1 25 26 27 /* The maximum `ibase' and `obase' values allowed by the `bc' utility. */ 28 #define _POSIX2_BC_BASE_MAX 99 29 30 /* The maximum number of elements allowed in an array by the `bc' utility. */ 31 #define _POSIX2_BC_DIM_MAX 2048 32 33 /* The maximum `scale' value allowed by the `bc' utility. */ 34 #define _POSIX2_BC_SCALE_MAX 99 35 36 /* The maximum length of a string constant accepted by the `bc' utility. */ 37 #define _POSIX2_BC_STRING_MAX 1000 38 39 /* The maximum number of weights that can be assigned to an entry of 40 the LC_COLLATE `order' keyword in the locale definition file. */ 41 #define _POSIX2_COLL_WEIGHTS_MAX 2 42 43 /* The maximum number of expressions that can be nested 44 within parentheses by the `expr' utility. */ 45 #define _POSIX2_EXPR_NEST_MAX 32 46 47 /* The maximum length, in bytes, of an input line. */ 48 #define _POSIX2_LINE_MAX 2048 49 50 /* The maximum number of repeated occurrences of a regular expression 51 permitted when using the interval notation `\{M,N\}'. */ 52 #define _POSIX2_RE_DUP_MAX 255 53 54 /* The maximum number of bytes in a character class name. We have no 55 fixed limit, 2048 is a high number. */ 56 #define _POSIX2_CHARCLASS_NAME_MAX 14 57 58 59 /* These values are implementation-specific, 60 and may vary within the implementation. 61 Their precise values can be obtained from sysconf. */ 62 63 #ifndef BC_BASE_MAX 64 #define BC_BASE_MAX _POSIX2_BC_BASE_MAX 65 #endif 66 #ifndef BC_DIM_MAX 67 #define BC_DIM_MAX _POSIX2_BC_DIM_MAX 68 #endif 69 #ifndef BC_SCALE_MAX 70 #define BC_SCALE_MAX _POSIX2_BC_SCALE_MAX 71 #endif 72 #ifndef BC_STRING_MAX 73 #define BC_STRING_MAX _POSIX2_BC_STRING_MAX 74 #endif 75 #ifndef COLL_WEIGHTS_MAX 76 #define COLL_WEIGHTS_MAX 255 77 #endif 78 #ifndef EXPR_NEST_MAX 79 #define EXPR_NEST_MAX _POSIX2_EXPR_NEST_MAX 80 #endif 81 #ifndef LINE_MAX 82 #define LINE_MAX _POSIX2_LINE_MAX 83 #endif 84 #ifndef CHARCLASS_NAME_MAX 85 #define CHARCLASS_NAME_MAX 2048 86 #endif 87 88 /* This value is defined like this in regex.h. */ 89 #define RE_DUP_MAX (0x7fff) 90 91 #endif /* bits/posix2_lim.h */ 92