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Edit File: posix2_lim.h
/* Copyright (C) 1991-2021 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 */