[thirdparty/glibc.git] / posix / bits / posix2_lim.h

/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <https://www.gnu.org/licenses/>.  */

/*
 * Never include this file directly; include <limits.h> instead.
 */

#ifndef	_BITS_POSIX2_LIM_H
#define	_BITS_POSIX2_LIM_H	1


/* The maximum `ibase' and `obase' values allowed by the `bc' utility.  */
#define	_POSIX2_BC_BASE_MAX		99

/* The maximum number of elements allowed in an array by the `bc' utility.  */
#define	_POSIX2_BC_DIM_MAX		2048

/* The maximum `scale' value allowed by the `bc' utility.  */
#define	_POSIX2_BC_SCALE_MAX		99

/* The maximum length of a string constant accepted by the `bc' utility.  */
#define	_POSIX2_BC_STRING_MAX		1000

/* The maximum number of weights that can be assigned to an entry of
   the LC_COLLATE `order' keyword in the locale definition file.  */
#define	_POSIX2_COLL_WEIGHTS_MAX	2

/* The maximum number of expressions that can be nested
   within parentheses by the `expr' utility.  */
#define	_POSIX2_EXPR_NEST_MAX		32

/* The maximum length, in bytes, of an input line.  */
#define	_POSIX2_LINE_MAX		2048

/* The maximum number of repeated occurrences of a regular expression
   permitted when using the interval notation `\{M,N\}'.  */
#define	_POSIX2_RE_DUP_MAX		255

/* The maximum number of bytes in a character class name.  We have no
   fixed limit, 2048 is a high number.  */
#define	_POSIX2_CHARCLASS_NAME_MAX	14


/* These values are implementation-specific,
   and may vary within the implementation.
   Their precise values can be obtained from sysconf.  */

#ifndef	BC_BASE_MAX
#define	BC_BASE_MAX		_POSIX2_BC_BASE_MAX
#endif
#ifndef	BC_DIM_MAX
#define	BC_DIM_MAX		_POSIX2_BC_DIM_MAX
#endif
#ifndef	BC_SCALE_MAX
#define	BC_SCALE_MAX		_POSIX2_BC_SCALE_MAX
#endif
#ifndef	BC_STRING_MAX
#define	BC_STRING_MAX		_POSIX2_BC_STRING_MAX
#endif
#ifndef	COLL_WEIGHTS_MAX
#define	COLL_WEIGHTS_MAX	255
#endif
#ifndef	EXPR_NEST_MAX
#define	EXPR_NEST_MAX		_POSIX2_EXPR_NEST_MAX
#endif
#ifndef	LINE_MAX
#define	LINE_MAX		_POSIX2_LINE_MAX
#endif
#ifndef	CHARCLASS_NAME_MAX
#define	CHARCLASS_NAME_MAX	2048
#endif

/* This value is defined like this in regex.h.  */
#define	RE_DUP_MAX (0x7fff)

#endif	/* bits/posix2_lim.h */
Commit	Line	Data
d614a753	1	/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
54d79e99 UD	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
41bdb6e2 AJ	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.
54d79e99 UD	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
41bdb6e2	12	Lesser General Public License for more details.
54d79e99	13
41bdb6e2	14	You should have received a copy of the GNU Lesser General Public
59ba27a6	15	License along with the GNU C Library; if not, see
5a82c748	16	<https://www.gnu.org/licenses/>. */
28f540f4	17
5107cf1d UD	18	/*
	19	* Never include this file directly; include <limits.h> instead.
	20	*/
28f540f4	21
5107cf1d UD	22	#ifndef _BITS_POSIX2_LIM_H
5107cf1d UD	23	#define _BITS_POSIX2_LIM_H 1
28f540f4 RM	24
	25
	26	/* The maximum `ibase' and `obase' values allowed by the `bc' utility. */
75cd5204	27	#define _POSIX2_BC_BASE_MAX 99
28f540f4 RM	28
28f540f4 RM	29	/* The maximum number of elements allowed in an array by the `bc' utility. */
75cd5204	30	#define _POSIX2_BC_DIM_MAX 2048
28f540f4 RM	31
28f540f4 RM	32	/* The maximum `scale' value allowed by the `bc' utility. */
75cd5204	33	#define _POSIX2_BC_SCALE_MAX 99
28f540f4 RM	34
28f540f4 RM	35	/* The maximum length of a string constant accepted by the `bc' utility. */
75cd5204	36	#define _POSIX2_BC_STRING_MAX 1000
28f540f4 RM	37
28f540f4 RM	38	/* The maximum number of weights that can be assigned to an entry of
dbc3e61b UD	39	the LC_COLLATE `order' keyword in the locale definition file. */
dbc3e61b UD	40	#define _POSIX2_COLL_WEIGHTS_MAX 2
036cc82f	41
28f540f4 RM	42	/* The maximum number of expressions that can be nested
28f540f4 RM	43	within parentheses by the `expr' utility. */
75cd5204	44	#define _POSIX2_EXPR_NEST_MAX 32
28f540f4 RM	45
28f540f4 RM	46	/* The maximum length, in bytes, of an input line. */
75cd5204	47	#define _POSIX2_LINE_MAX 2048
28f540f4 RM	48
	49	/* The maximum number of repeated occurrences of a regular expression
	50	permitted when using the interval notation `\{M,N\}'. */
75cd5204 RM	51	#define _POSIX2_RE_DUP_MAX 255
75cd5204 RM	52
036cc82f RM	53	/* The maximum number of bytes in a character class name. We have no
036cc82f RM	54	fixed limit, 2048 is a high number. */
dbc3e61b	55	#define _POSIX2_CHARCLASS_NAME_MAX 14
28f540f4 RM	56
	57
	58	/* These values are implementation-specific,
	59	and may vary within the implementation.
	60	Their precise values can be obtained from sysconf. */
	61
	62	#ifndef BC_BASE_MAX
75cd5204	63	#define BC_BASE_MAX _POSIX2_BC_BASE_MAX
28f540f4 RM	64	#endif
28f540f4 RM	65	#ifndef BC_DIM_MAX
75cd5204	66	#define BC_DIM_MAX _POSIX2_BC_DIM_MAX
28f540f4 RM	67	#endif
28f540f4 RM	68	#ifndef BC_SCALE_MAX
75cd5204	69	#define BC_SCALE_MAX _POSIX2_BC_SCALE_MAX
28f540f4 RM	70	#endif
28f540f4 RM	71	#ifndef BC_STRING_MAX
75cd5204	72	#define BC_STRING_MAX _POSIX2_BC_STRING_MAX
28f540f4	73	#endif
036cc82f	74	#ifndef COLL_WEIGHTS_MAX
dbc3e61b	75	#define COLL_WEIGHTS_MAX 255
28f540f4 RM	76	#endif
28f540f4 RM	77	#ifndef EXPR_NEST_MAX
75cd5204	78	#define EXPR_NEST_MAX _POSIX2_EXPR_NEST_MAX
28f540f4 RM	79	#endif
28f540f4 RM	80	#ifndef LINE_MAX
75cd5204	81	#define LINE_MAX _POSIX2_LINE_MAX
28f540f4	82	#endif
75cd5204	83	#ifndef CHARCLASS_NAME_MAX
dbc3e61b	84	#define CHARCLASS_NAME_MAX 2048
28f540f4 RM	85	#endif
28f540f4 RM	86
9281f45d UD	87	/* This value is defined like this in regex.h. */
9281f45d UD	88	#define RE_DUP_MAX (0x7fff)
28f540f4	89
5107cf1d	90	#endif /* bits/posix2_lim.h */