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91 lines
2.8 KiB
C
91 lines
2.8 KiB
C
/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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/*
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* Never include this file directly; include <limits.h> instead.
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*/
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#ifndef _BITS_POSIX2_LIM_H
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#define _BITS_POSIX2_LIM_H 1
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/* The maximum `ibase' and `obase' values allowed by the `bc' utility. */
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#define _POSIX2_BC_BASE_MAX 99
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/* The maximum number of elements allowed in an array by the `bc' utility. */
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#define _POSIX2_BC_DIM_MAX 2048
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/* The maximum `scale' value allowed by the `bc' utility. */
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#define _POSIX2_BC_SCALE_MAX 99
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/* The maximum length of a string constant accepted by the `bc' utility. */
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#define _POSIX2_BC_STRING_MAX 1000
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/* The maximum number of weights that can be assigned to an entry of
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the LC_COLLATE `order' keyword in the locale definition file. */
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#define _POSIX2_COLL_WEIGHTS_MAX 2
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/* The maximum number of expressions that can be nested
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within parentheses by the `expr' utility. */
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#define _POSIX2_EXPR_NEST_MAX 32
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/* The maximum length, in bytes, of an input line. */
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#define _POSIX2_LINE_MAX 2048
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/* The maximum number of repeated occurrences of a regular expression
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permitted when using the interval notation `\{M,N\}'. */
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#define _POSIX2_RE_DUP_MAX 255
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/* The maximum number of bytes in a character class name. We have no
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fixed limit, 2048 is a high number. */
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#define _POSIX2_CHARCLASS_NAME_MAX 14
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/* These values are implementation-specific,
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and may vary within the implementation.
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Their precise values can be obtained from sysconf. */
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#ifndef BC_BASE_MAX
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#define BC_BASE_MAX _POSIX2_BC_BASE_MAX
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#endif
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#ifndef BC_DIM_MAX
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#define BC_DIM_MAX _POSIX2_BC_DIM_MAX
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#endif
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#ifndef BC_SCALE_MAX
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#define BC_SCALE_MAX _POSIX2_BC_SCALE_MAX
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#endif
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#ifndef BC_STRING_MAX
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#define BC_STRING_MAX _POSIX2_BC_STRING_MAX
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#endif
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#ifndef COLL_WEIGHTS_MAX
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#define COLL_WEIGHTS_MAX 255
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#endif
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#ifndef EXPR_NEST_MAX
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#define EXPR_NEST_MAX _POSIX2_EXPR_NEST_MAX
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#endif
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#ifndef LINE_MAX
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#define LINE_MAX _POSIX2_LINE_MAX
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#endif
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#ifndef CHARCLASS_NAME_MAX
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#define CHARCLASS_NAME_MAX 2048
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#endif
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/* This value is defined like this in regex.h. */
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#define RE_DUP_MAX (0x7fff)
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#endif /* bits/posix2_lim.h */
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