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      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